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BLE_WIFI_Scale_Server_Api
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20210821

master
elinkthings 3 anos atrás
commit
1df511d4c1
14 arquivos alterados com 3191 adições e 0 exclusões
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  1. 188
    0
      controllers/BaseController.java
  2. 43
    0
      controllers/BodyFatController.java
  3. 57
    0
      controllers/DeviceController.java
  4. 53
    0
      services/BodyFatServiceImpl.java
  5. 40
    0
      services/SysAccoountServiceImpl.java
  6. 117
    0
      services/SysDeviceInfoServiceImpl.java
  7. 396
    0
      utils/Base64TeaUitls.java
  8. 167
    0
      utils/Base64Util.java
  9. 895
    0
      utils/BytesUtils.java
  10. 688
    0
      utils/DateUtils.java
  11. 127
    0
      utils/JsonMapper.java
  12. 61
    0
      utils/JsonUtils.java
  13. 279
    0
      utils/TeaUtils.java
  14. 80
    0
      utils/WeightUnitUtils.java

+ 188
- 0
controllers/BaseController.java Ver arquivo

package com.inet.ailink.receiver.controller;
import com.inet.ailink.receiver.common.enums.StatusCode;
import com.inet.ailink.receiver.common.exception.BizException;
import com.inet.ailink.receiver.common.utils.Base64TeaUitls;
import com.inet.ailink.receiver.common.utils.JsonUtils;
import com.inet.ailink.receiver.common.vo.Response;
import com.inet.ailink.receiver.service.impl.SysAccoountServiceImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
//import com.google.common.primitives.Bytes;
public abstract class BaseController extends java.beans.PropertyEditorSupport
{
/**
* 子类可以用这个Logger Log4J Logger for this class
*/
protected final Logger log = LoggerFactory.getLogger(getClass());
//系统统一的提示没有权限访问的界面
protected static final String noRight_page="noRight";
public final static String KEY_USER = "user";
@Autowired
private SysAccoountServiceImpl sysAccoountServiceImpl;
/**
* 写回加密数据
* @param response
* @param result
* @throws IOException
*/
public void writeOutResponse(HttpServletResponse response, Response<Object> result) throws IOException{
response.setHeader("Access-Control-Allow-Origin","");
response.setHeader("Access-Control-Allow-Credentials","");
response.setHeader("Access-Control-Allow-Methods","");
response.setHeader("Access-Control-Max-Age","");
response.setHeader("Access-Control-Allow-Headers","");
response.setHeader("X-Application-Context","");
response.setHeader("Transfer-Encoding", "");
PrintWriter out = response.getWriter();
if(result.getData() != null){
String dataValue = result.getData().toString();
result.setData(Base64TeaUitls.encrypt(dataValue));
}
String resultJson = JsonUtils.toJson(result);
response.setHeader("ResponseBodySize", resultJson.length()+"");
out.write(resultJson);
out.flush();
out.close();
}
/**
* 写回正常数据
* @param response
* @param result
* @throws IOException
*/
public void writeOutResponseNoEncrypt(HttpServletResponse response, Response<Object> result) throws IOException{
response.setHeader("Access-Control-Allow-Origin","");
response.setHeader("Access-Control-Allow-Credentials","");
response.setHeader("Access-Control-Allow-Methods","");
response.setHeader("Access-Control-Max-Age","");
response.setHeader("Access-Control-Allow-Headers","");
response.setHeader("X-Application-Context","");
// response.setHeader("Transfer-Encoding", "chunked");
//response.setBufferSize(result.toString().length());
String resultJson = JsonUtils.toJson(result);
response.setHeader("ResponseBodySize", resultJson.length()+"");
PrintWriter out = response.getWriter();
out.write(resultJson);
out.flush();
out.close();
}
/**
* 写回任意原始数据
* @param response
* @param result
* @throws IOException
*/
public void writeOutResponseOld(HttpServletResponse response, String result) throws IOException{
response.setHeader("Access-Control-Allow-Origin","");
response.setHeader("Access-Control-Allow-Credentials","");
response.setHeader("Access-Control-Allow-Methods","");
response.setHeader("Access-Control-Max-Age","");
response.setHeader("Access-Control-Allow-Headers","");
response.setHeader("X-Application-Context","");
response.setHeader("Transfer-Encoding", "");
response.setHeader("ResponseBodySize", result.length()+"");
PrintWriter out = response.getWriter();
out.write(result);
out.flush();
out.close();
}
/**
* 写回数据解析失败数据
* @param response
* @param result
* @throws IOException
*/
public void writeOutResponse(HttpServletResponse response, byte[] paramsByte) throws IOException {
Response<Object> result = new Response<Object>();
result.setStatus(paramsByte[0]+"");
response.setHeader("Access-Control-Allow-Origin","");
response.setHeader("Access-Control-Allow-Credentials","");
response.setHeader("Access-Control-Allow-Methods","");
response.setHeader("Access-Control-Max-Age","");
response.setHeader("Access-Control-Allow-Headers","");
response.setHeader("X-Application-Context","");
response.setHeader("Transfer-Encoding", "");
String resultJson = JsonUtils.toJson(result);
response.setHeader("ResponseBodySize", resultJson.length()+"");
PrintWriter out = response.getWriter();
out.write(resultJson);
out.flush();
out.close();
}
/**
* 校验参数是否为空
* @param response
* @param params
* @throws IOException
*/
public void checkParams(HttpServletResponse response, String params) throws IOException{
Response<Object> result = new Response<Object>();
if(params == null || params.isEmpty() || params.equals("")){
result.setStatus(StatusCode.PARAM_EMPTY.getCode());
writeOutResponse(response, result);
}
}
/**
* 解密数据
* @param params
* @return
* @throws IOException
*/
public byte[] decryptParams(HttpServletResponse response, String params) throws IOException{
//解密数据失败
byte[] paramsByte = new byte[]{};
//数据格式不正确
Map<String,String> paramsMap = new HashMap<String, String>();
try {
paramsMap = JsonUtils.fromJson(params, Map.class);
// System.out.println("decryptParams() paramsMap: " + paramsMap);
} catch (Exception e) {
paramsByte = new byte[]{(byte) Integer.parseInt(StatusCode.PARAMS_JSON_ERROR.getCode())};
// System.out.println("decryptParams() Exception: " + e);
return paramsByte;
}
//关键参数字段获取失败
String paramsValue = paramsMap.get("params");
// System.out.println("decryptParams() paramsValue: " + paramsValue);
if(paramsValue == null || paramsValue.equals("")){
paramsByte = new byte[]{(byte) Integer.parseInt(StatusCode.PARAMS_JSON_KEY_ERROR.getCode())};
return paramsByte;
}
try {
paramsByte = Base64TeaUitls.decrypt(paramsValue);
// System.out.println("decryptParams() paramsByte: " + paramsByte);
} catch (Exception e) {
paramsByte = new byte[]{(byte) Integer.parseInt(StatusCode.PARAMS_dECRYPT_ERROR.getCode())};
// System.out.println("decryptParams() paramsByte2: " + paramsByte);
return paramsByte;
}
return paramsByte;
}
}

+ 43
- 0
controllers/BodyFatController.java Ver arquivo

package com.inet.ailink.receiver.controller;
import com.inet.ailink.receiver.service.impl.BodyFatServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@RestController
@RequestMapping(value="bodyFat",produces={"application/json;charset=UTF-8"})
public class BodyFatController extends BaseController {
@Autowired
private BodyFatServiceImpl bodyFatServiceImpl;
/**
* 上报称重数据(原始数据)
* @param params
* @param request
* @param response
* @throws IOException
*/
@RequestMapping(value="saveWeighDataByAdc")
@ResponseBody
public void saveWeighDataByAdc(@RequestBody String params, HttpServletRequest request, HttpServletResponse response) throws IOException {
checkParams(response, params);
// System.out.println("saveWeighDataByAdc() params: " + params);
byte[] paramsByte = decryptParams(response,params);
if(paramsByte.length >1){
writeOutResponse(response, bodyFatServiceImpl.saveWeighDataByAdc(paramsByte, request));
}else{
writeOutResponse(response,paramsByte);
}
}
}

+ 57
- 0
controllers/DeviceController.java Ver arquivo

package com.inet.ailink.receiver.controller;
@RestController
//@RequestMapping(value="devivce",produces={"application/json;charset=UTF-8"})
@RequestMapping(value="devivce")
public class DeviceController extends BaseController {
@Autowired
private SysDeviceInfoServiceImpl sysDeviceInfoServiceImpl;
@Autowired
private SysAccoountServiceImpl sysAccoountServiceImpl;
/**
* 设备注册
* @param params
* @param request
* @param response
* @throws IOException
*/
@RequestMapping(value="register")
@ResponseBody
public void register(@RequestBody String params, HttpServletRequest request, HttpServletResponse response) throws IOException {
checkParams(response, params);
// System.out.println("devivce/register() params: " + params);
byte[] paramsByte = decryptParams(response,params);
if(paramsByte.length >1){
writeOutResponse(response, sysDeviceInfoServiceImpl.register(paramsByte, request));
}else{
writeOutResponse(response,paramsByte);
}
}
/**
* 获取设备绑定的用户
* @param params
* @param request
* @param response
* @throws IOException
*/
@RequestMapping(value="getUsers")
@ResponseBody
public void getUsers(@RequestBody String params, HttpServletRequest request, HttpServletResponse response) throws IOException {
checkParams(response, params);
// System.out.println("devivce/register() params: " + params);
byte[] paramsByte = decryptParams(response,params);
if(paramsByte.length >1){
writeOutResponseNoEncrypt(response, sysAccoountServiceImpl.getUsersByDeviceId(paramsByte, request));
}else{
writeOutResponse(response,paramsByte);
}
}
}

+ 53
- 0
services/BodyFatServiceImpl.java Ver arquivo

package com.inet.ailink.receiver.service.impl;
@Service
@Transactional(rollbackFor=Exception.class)
public class BodyFatServiceImpl
{
@Autowired
IBodyFatDao bodyFatDao;
@Override
protected IBodyFatDao getEntityDao() {
return bodyFatDao;
}
public Response<Object> saveWeighDataByAdc(byte[] paramsByte, HttpServletRequest request){
Response<Object> result = new Response<Object>();
//解析数据
//设备ID
Integer deviceId = Integer.parseInt(Base64TeaUitls.getLowConactHighEndForInt(0, 3, paramsByte));
//设备时间
String devivceTimeStr = Base64TeaUitls.getStartToEndForInt(4,9, paramsByte);
System.out.println("devivceTimeStr = " + devivceTimeStr);
String[] devivceTimeArry = devivceTimeStr.split(":");
String deviceTimeFormate = (2000+Integer.parseInt(devivceTimeArry[0]))+"-"+devivceTimeArry[1]+"-"+devivceTimeArry[2]+" "+devivceTimeArry[3]+":"+devivceTimeArry[4]+":"+devivceTimeArry[5];
System.out.println("deviceTimeFormate = " + deviceTimeFormate);
Date devivceTime = DateUtils.parse(deviceTimeFormate, DateUtils.DATETIME_FORMAT_PATTERN);
System.out.println("devivceTime = " + devivceTime);
//设备在线状态
String deviceOnlineStatus = Base64TeaUitls.getStartToEndForInt(10, 10, paramsByte);
//体重
String deviceWeigh = Base64TeaUitls.getLowConactHighEndForInt(11, 13, paramsByte);
//体重单位
String deviceWeighUnit = Base64TeaUitls.getStartToEndForInt(14, 14, paramsByte);
//体重精度
String deviceWeighPoint = Base64TeaUitls.getStartToEndForInt(15, 15, paramsByte);
//阻抗
String deviceAdc = Base64TeaUitls.getLowConactHighEndForInt(16, 17, paramsByte);
//心率
String deviceHeartRate = Base64TeaUitls.getStartToEndForInt(18, 18, paramsByte);
//算法
String deviceAlgorithm = Base64TeaUitls.getStartToEndForInt(19, 19, paramsByte);
//用户id
Integer subUserId = Integer.parseInt(Base64TeaUitls.getLowConactHighEndForInt(20, 23, paramsByte));
//将解析出的数据，赋值
}
}

+ 40
- 0
services/SysAccoountServiceImpl.java Ver arquivo

package com.inet.ailink.receiver.service.impl;
import com.inet.ailink.receiver.common.enums.StatusCode;
import com.inet.ailink.receiver.common.vo.Response;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.List;
@Service
@Transactional(rollbackFor=Exception.class)
public class SysAccoountServiceImpl
{
public Response<Object> getUsersByDeviceId(byte[] paramsByte, HttpServletRequest request) {
Response<Object> result = new Response<Object>();
//以下只是返回示例，请根据具体项目情况去数据库查询绑定wifi秤的用户信息并返回
List<Object> data = new ArrayList<Object>();
List<Object> listMap = new ArrayList<Object>();
listMap.add(1024);//用户id
listMap.add(1);//用户性别
listMap.add(25);//用户年龄
listMap.add("170");//用户身高
listMap.add("0");//用户身高单位
listMap.add("0");//最新体重单位
listMap.add(0); //用户类型：0普通人 1运动员
listMap.add("67.70");//最新体重单位
data.add(listMap);
result.setStatus(StatusCode.SUCCESS.getCode());
result.setData(data);
return result;
}
}

+ 117
- 0
services/SysDeviceInfoServiceImpl.java Ver arquivo

package com.inet.ailink.receiver.service.impl;
@Service
@Transactional(rollbackFor=Exception.class)
public class SysDeviceInfoServiceImpl
{
@Autowired
ISysDeviceInfoDao sysDeviceInfoDao;
@Override
protected ISysDeviceInfoDao getEntityDao() {
return sysDeviceInfoDao;
}
public static String byteArr2HexStr(byte[] arrB) {
int iLen = arrB.length;
// 每个byte用两个字符才能表示，所以字符串的长度是数组长度的两倍
StringBuffer sb = new StringBuffer(iLen * 2);
for (int i = 0; i < iLen; i++) {
int intTmp = arrB[i];
// 把负数转换为正数
while (intTmp < 0) {
intTmp = intTmp + 256;
}
// 小于0F的数需要在前面补0
if (intTmp < 16) {
sb.append("0");
}
sb.append(Integer.toString(intTmp, 16).toUpperCase());
sb.append(" ");
}
return sb.toString();
}
public Response<Object> register(byte[] paramsByte, HttpServletRequest request){
// System.out.println("register(): " + byteArr2HexStr(paramsByte));
Response<Object> result = new Response<Object>();
//解析数据
//设备地址
String deviceMac = Base64TeaUitls.getStartToEndForHex(0, 5, paramsByte);
//
Integer cid = Integer.parseInt(Base64TeaUitls.getLowConactHighEndForInt(6, 7, paramsByte));
Integer pid = Integer.parseInt(Base64TeaUitls.getLowConactHighEndForInt(8, 9, paramsByte));
Integer vid = Integer.parseInt(Base64TeaUitls.getLowConactHighEndForInt(10, 11, paramsByte));
//设备名
String deviceName = Base64TeaUitls.getStartToEndForHex(12, 13, paramsByte);
//产品型号
String deviceType = Base64TeaUitls.getStartToEndForHex(14, 14, paramsByte);
// //硬件版本
// String deviceHardwareVersion = Base64TeaUitls.getStartToEndForInt(15, 15, paramsByte);
// //软件版本
// String deviceSoftwareVersion = Base64TeaUitls.getStartToEndForInt(16, 16, paramsByte);
// //用户版本
// String deviceUserAutoVersion = Base64TeaUitls.getStartToEndForInt(17, 17, paramsByte);
// //年月日
String deviceDate = Base64TeaUitls.getStartToEndForInt(18, 20, paramsByte);
// System.out.println("deviceDate: " + deviceDate);
//芯片id
String chipId = Base64TeaUitls.getStartToEndForHex(21, 26, paramsByte);
//设备SN [12-14]WM05+[0-5]设备地址+[21-26]芯片id
String deviceSN = deviceName +deviceType+deviceMac+chipId;
deviceSN = deviceSN.replaceAll(":", "");
//设备单位
String deviceUnit = Base64TeaUitls.getStartToEndForInt(27, 27, paramsByte);
//如果IMEI不为空，则使用IMEI当作设备的唯一标识
String imei = null;
if(paramsByte.length > 28){
//设备IMEI长度
int imeiLength = Integer.parseInt(Base64TeaUitls.getStartToEndForInt(28, 28, paramsByte));
if(imeiLength > 0){
//获取imei
imei = Base64TeaUitls.getStartToEndForASIII(28+1, 28+imeiLength, paramsByte);
}
}
//将解析出的数据，赋值
// Device device = new Device(deviceName, deviceMac, new Date(), cid, pid, vid, "",
// deviceType,deviceSoftwareVersion, deviceHardwareVersion, deviceUserAutoVersion, deviceDate,chipId,deviceSN,deviceUnit);
byte[] name = new byte[2];
name[0] = paramsByte[12];
name[1] = paramsByte[13];
String moduleName = new String(name, StandardCharsets.UTF_8);
// System.out.println("moduleName: " + moduleName);
int type = paramsByte[14] & 0xFF;
String moduleType = (type<10?("0"):"") + type;
// System.out.println("moduleType: " + moduleType);
int hardware = paramsByte[15] & 0xFF;
String hardwareVer = "H" + hardware;
// System.out.println("hardwareVer: " + hardwareVer);
int software = paramsByte[16] & 0xFF;
String softwareVer = "S" + String.valueOf(software / 10) + "." + String.valueOf(software % 10);
// System.out.println("softwareVer: " + softwareVer);
int custom = paramsByte[17] & 0xFF;
String customVer = "." + String.valueOf(custom);
// System.out.println("customVer: " + customVer);
int year = paramsByte[18] & 0xFF;
int month = paramsByte[19] & 0xFF;
int day = paramsByte[20] & 0xFF;
String dateStr = "_20" + (year<10?("0"+year):year) + (month<10?("0"+month):month) + (day<10?("0"+day):day);
// System.out.println("dateStr: " + dateStr);
String version = moduleName + moduleType + hardwareVer + softwareVer + customVer + dateStr;
// System.out.println("version: " + version);
Device device = new Device(null, deviceMac, new Date(), cid, pid, vid, "",
null, version, null, null, null, chipId, deviceSN, deviceUnit);
//如果IMEI不为空，则使用IMEI当作设备的唯一标识
if(imei != null && !isEmpty(imei)){
device.setMac(imei.replaceAll(":", ""));
device.setDeviceSN(imei.replaceAll(":", ""));
}
System.out.println(JsonUtils.toJson(device));
//注册设备
result = saveDevice(device);
return result;
}
}

+ 396
- 0
utils/Base64TeaUitls.java Ver arquivo

package com.inet.ailink.receiver.common.utils;
import java.io.UnsupportedEncodingException;
public class Base64TeaUitls {
//加密
public static String encrypt(String dataValue){
byte[] old = BytesUtils.getBytes(Integer.parseInt(dataValue));
String result = "";
try {
//tea加密
byte[] teaDscrypt =TeaUtils.encrypt(old,null);
//base编码
result= Base64Util.encoderString(teaDscrypt);
} catch (UnsupportedEncodingException e) {
return result;
}
return result;
}
//解密
public static byte[] decrypt(String base64Text){
//base解码
String base64TextEn;
try {
base64TextEn = Base64Util.decoderString(base64Text);
//解码数据转换为byte数组
byte[] base64TeaByteOld = Base64Util.hexStrToByteArray(base64TextEn);
//tea解密byte数组
byte[] base64TeaByte =TeaUtils.decrypt(base64TeaByteOld,null);
//将负数转换为整数
/*if(base64TeaByte != null){
for(int i=0;i<base64TeaByte.length;i++){
if(base64TeaByte[i]<0){
base64TeaByte[i] = (byte) (256 + base64TeaByte[i]);
}
}
}*/
return base64TeaByte;
} catch (UnsupportedEncodingException e) {
return null;
}
}
/**
* 十进制转16进制
* @param n
* @return
*/
private static String intToHex(int n) {
StringBuilder sb = new StringBuilder(8);
String a;
char []b = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
if(n==0){
return "00";
}
while(n != 0){
if(n<0){
n= 256 +n;
}
sb = sb.append(b[n%16]);
n = n/16;
}
a = sb.reverse().toString();
if(a.length() == 1){
a= "0"+a;
}
return a;
}
/**
* 获取开始下标到结束下标的16进制的值
* @param start
* @param end
* @param params
* @return
*/
public static String getStartToEndForHex(int start,int end,byte[] params){
String result = "";
for(int i=start;i<=end;i++){
if(i==end){
result = result+intToHex(params[i]);
}else{
result = result+intToHex(params[i])+":";
}
// System.out.println(params[i]+":"+intToHex(params[i]));
}
return result;
}
/**
* 获取开始下标到结束下标的10进制的值
* @param start
* @param end
* @param params
* @return
*/
public static String getStartToEndForInt(int start,int end,byte[] params){
String result = "";
for(int i=start;i<=end;i++){
int temp = params[i];
if(temp < 0){
temp = 256 + temp;
}
if(i==end){
result = result+temp;
}else{
result = result+temp+":";
}
}
return result;
}
/*public static String getLowToHighEndForInt(int indexLow,int indexHigh,byte[] params){
String result = "";
int tempLow = params[indexLow];
if(tempLow < 0){
tempLow = 256 + tempLow;
}
int tempHigh = params[indexHigh];
if(tempHigh < 0){
tempHigh = 256 + tempHigh;
}
int tempResult = (tempLow << 8) | tempHigh;
return result+tempResult;
}*/
/**
* 获取低位到高位的移位＋或运算的值
* @param indexLow
* @param indexHigh
* @param params
* @return
*/
public static String getLowConactHighEndForInt(int indexLow,int indexHigh,byte[] params){
String result = "";
int tempResult = 0;
for(int i = indexLow;i<=indexHigh;i++){
int temp = (params[i] < 0 ? 256 + params[i] : params[i]);
int tempmov = (indexHigh-i)+2;
tempmov = (i == indexHigh ? 0 : (int) Math.pow(2, tempmov));
tempResult = (temp << tempmov) | tempResult;
}
return result+tempResult;
}
public static String byteToHex(byte b){
String hex = Integer.toHexString(b & 0xFF);
if(hex.length() < 2){
hex = "0" + hex;
}
return hex;
}
/**
* 获取开始下标到结束下标的ASIII对应的值
* @param start
* @param end
* @param params
* @return
*/
public static String getStartToEndForASIII(int start,int end,byte[] params){
String result = "";
for(int i=start;i<=end;i++){
if(i==end){
result = result+asciiToString(params[i]+"");
}else{
result = result+asciiToString(params[i]+"")+":";
}
}
return result;
}
/**
* ASCII转字符
* @param value
* @return
*/
public static String asciiToString(String value)
{
value = value.replaceAll(":", "");
char c= (char) Integer.parseInt(value);
//System.out.println(value+":"+c);
return c+"";
}
public static void main(String args[]) throws UnsupportedEncodingException
{
// String str = "H4CpBA/xguYaSidJuBnCEydjVVdwDBKAfgvuaUpSEuU=";
// byte[] paramsByte = Base64TeaUitls.decrypt(str);
//
// for(byte i : paramsByte)
// System.out.print(byteToHex(i) + " ");
// System.out.println();
//01 01 16 b7 28 32 18 4a 88 00 0e 00 00 00 00 42 4d 10 01 0a 00 13 05 07 e9
//注册设备数据
// byte[] old =new byte[]{
// (byte)0x01,(byte)0x01,(byte)0x08 ,(byte)0x16 ,(byte)0xb7 ,(byte)0x28 //mac地址
// ,(byte)0x00 ,(byte)0x00 //cid
// ,(byte)0x00 ,(byte)0x01 //pid
// ,(byte)0x00 ,(byte)0x02 //vid
// ,(byte)0x42 ,(byte)0x4d //产品名称
// ,(byte)0x01 //产品型号
// ,(byte)0x01 //硬件版本
// ,(byte)0x42 //软件版本
// ,(byte)0x4d //用户版本
// ,(byte)0x13 //年
// ,(byte)0x0c //月
// ,(byte)0x12 //日
// ,(byte)0x06,(byte)0x06,(byte)0x06 ,(byte)0x06 ,(byte)0x06 ,(byte)0x06 //芯片id
// ,(byte)0x09 //设备单位
// ,(byte)0x03 //设备IMEI长度
// ,(byte)0x01,(byte)0x02,(byte)0x20 }; //设备IMEI
//上报称重数据(原始数据)
//5781
// byte[] old =new byte[]{
// (byte)0x00,(byte)0x00 ,(byte)0x0f,(byte)0x71 //设备SN号
// ,(byte)0x15 //年
// ,(byte)0x03 //月
// ,(byte)0x04 //日
// ,(byte)0x0c //时
// ,(byte)0x00 //分
// ,(byte)0x00 //秒
// ,(byte)0x00 //是否离线记录
// ,(byte)0x00 //体重数据高
// ,(byte)0x00 //体重数据中
// ,(byte)0x3C //体重数据低
// ,(byte)0x00 //体重单位
// ,(byte)0x00 //体重精度
// ,(byte)0x01 //阻抗高
// ,(byte)0xff //阻抗低
// ,(byte)0x5f //心率
// ,(byte)0x01 //算法
// ,(byte)0x00,(byte)0x00,(byte)0x03,(byte)0x97}; //用户id
//最新OTA升级地址
// byte[] old =new byte[]{
// (byte)0x01,(byte)0x01,(byte)0x08 ,(byte)0x16 ,(byte)0xb7 ,(byte)0x28 //mac地址
// ,(byte)0x00 ,(byte)0x00 //cid
// ,(byte)0x00 ,(byte)0x01 //pid
// ,(byte)0x00 ,(byte)0x02 //vid
// ,(byte)0x42 ,(byte)0x4d //产品名称
// ,(byte)0x01 //产品型号
// ,(byte)0x01 //硬件版本
// ,(byte)0x09 //软件版本
// ,(byte)0x06,(byte)0x06,(byte)0x06 ,(byte)0x06 ,(byte)0x06 ,(byte)0x06 //芯片id
// ,(byte)0x00,(byte)0x00 ,(byte)0x07,(byte)0xBF //设备id
// ,(byte)0x00 //客户定制版本
// ,(byte)0x00 ,(byte)0x00,(byte)0x00,(byte)0x00 //保留位
// };
// //通过cid获取设备访问地址
byte[] old =new byte[]{
(byte)0x00 ,(byte)0x00,(byte)0x00, //模块名称
(byte)0x01,(byte)0x01,(byte)0x08 ,(byte)0x16 ,(byte)0xb7 ,(byte)0x28, //mac地址
(byte)0x01,(byte)0x01,(byte)0x08 ,(byte)0x16 ,(byte)0xb7 ,(byte)0x28, //芯片id
(byte)0x00 ,(byte)0x11, //cid
(byte)0x00 ,(byte)0x01, //pid
(byte)0x00 ,(byte)0x1B, //vid
(byte)0x00,(byte)0x00 ,(byte)0x00 //保留位
};
//通过cid，pid，vid获取设备访问地址
//57 4d 05 88 4a 18 32 28 a4 02 38 6f a5 dc 12 00 11 00 00 00 00 00 00 00
// byte[] old =new byte[]{
// (byte)0x57 ,(byte)0x4d,(byte)0x05, //模块名称
// (byte)0x88,(byte)0x4a,(byte)0x08 ,(byte)0x32 ,(byte)0x28 ,(byte)0xa4, //mac地址
// (byte)0x02,(byte)0x38,(byte)0x6f ,(byte)0xa5 ,(byte)0xdc ,(byte)0x12, //芯片id
// (byte)0x00 ,(byte)0x0e, //cid
// (byte)0x00 ,(byte)0x01, //pid
// (byte)0x00 ,(byte)0x32, //vid
// (byte)0x00,(byte)0x00 ,(byte)0x00 //保留位
// };
//刷牙数据上传
// byte[] old =new byte[]{
// (byte)0x00,(byte)0x00 ,(byte)0x07,(byte)0xBF, //设备SN号
// (byte)0x01, //牙刷工作模式
// (byte)0x00, // 刷牙时长高字节
// (byte)0x03, // 刷牙时长低字节
// (byte)0x00, //左边刷牙时长高字节
// (byte)0x02, //左边刷牙时长低字节
// (byte)0x00, //右边刷牙时长低字节
// (byte)0x01, //右边刷牙时长低字节
// (byte)0x09, //剩余电量
// (byte)0x00,(byte)0x04, //默认刷牙时长
// (byte)0x00,(byte)0x00,//保留位
// (byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,//保留位
// (byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00 //保留位
// };
//血糖数据
// byte[] old =new byte[]{
// (byte)0x00,(byte)0x00 ,(byte)0x07,(byte)0xBF, //设备SN号
// (byte)0x00, //血糖数据高字节
// (byte)0x00, //血糖数据中字节
// (byte)0x12, //血糖数据低字节
// (byte)0x01, //血糖单位
// (byte)0x01, //小数点
// (byte)0x00, //状态码
// (byte)0x10, //剩余电量
// (byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,//保留位
// (byte)0x00 //保留位
// };
/*int a= 1846;
System.out.println("原始数字："+a);
byte[] old = BytesUtils.getBytes(a);*/
//通过设备id，获取设备单位
// byte[] old =new byte[]{
// (byte)0x00,(byte)0x00 ,(byte)0x0F,(byte)0x72, //设备id
// (byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,//保留位
// };
//通过设备id，修改设备单位
// byte[] old =new byte[]{
// (byte)0x00,(byte)0x00 ,(byte)0x0B,(byte)0x31, //设备id
// (byte)0x01 //设备单位
// };
//注册设备数据
// byte[] old =new byte[]{
// (byte)0x00, (byte)0x00 , (byte)0x00 , (byte)0x00 , (byte)0x00, (byte)0x00 //设备MAC
// , (byte)0x00, (byte)0x2c//CID
// , (byte)0x00 , (byte)0x00//PID
// , (byte)0x00 , (byte)0x00//VID
// , (byte)0x4c//模块名称
// , (byte)0x4d
// , (byte)0x09
// , (byte)0x00
// , (byte)0x0a
// , (byte)0x00 , (byte)0x15 , (byte)0x04 , (byte)0x07 , (byte)0x00 , (byte)0x00
// , (byte)0x00 , (byte)0x00 , (byte)0x00 , (byte)0x00 , (byte)0x00
// , (byte)0x0f //设备IMEI长度
// , (byte)0x08 , (byte)0x06 , (byte)0x09 , (byte)0x03 , (byte)0x02 , (byte)0x04 , (byte)0x00 , (byte)0x05 //设备IMEI 86932405
// , (byte)0x00 , (byte)0x00 , (byte)0x00 , (byte)0x02 , (byte)0x07 , (byte)0x06 , (byte)0x09 //设备IMEI 0002769
// , (byte)0x00, (byte)0x00 , (byte)0x00 , (byte)0x00 }; //备用字段
//原始数据
System.out.println( "原始数据：");
for(byte i : old)
System.out.print(byteToHex(i) + " ");
System.out.println();
//tea加密
byte[] teaDscrypt =TeaUtils.encrypt(old,null);
System.out.println( "tea加密：");
for(byte i : teaDscrypt)
System.out.print(byteToHex(i) + " ");
System.out.println();
//base编码
String base64Text = Base64Util.encoderString(teaDscrypt);
base64Text = "rvXiSvrWrR+/p1ZhAPlXr7x1gxbvrurA";
System.out.println("base64编码后的数据长度:"+Base64Util.getLength(base64Text)+"："+base64Text);
//base解码
String base64TextEn= Base64Util.decoderString(base64Text);
//String base64TextEn= Base64Util.decoderString("BCc0vnfr9kd5");
// System.out.println("base64解码后的数据长度:"+Base64Util.getLength(base64TextEn)+"："+base64TextEn);
/*//转称byte数组(每两位一个16进制byte)
List<String> base64TeaByteOldList = new ArrayList<String>();
for(int i=0;i<base64TextEn.length();i++){
if(i%2 == 0){
base64TeaByteOldList.add("0x"+base64TextEn.charAt(i)+base64TextEn.charAt(i+1));
}
}
//解码后转换得到的list
System.out.println("解码后转换得到的list：");
for(String byte16:base64TeaByteOldList){
System.out.print(byte16+" ");
}
System.out.println();*/
//解码数据转换为byte数组
byte[] base64TeaByteOld = Base64Util.hexStrToByteArray(base64TextEn);
System.out.println( "解码后得到的tea加密的byte数组：");
for(byte i : base64TeaByteOld)
System.out.print(byteToHex(i) + " ");
System.out.println();
byte[] base64TeaByte =TeaUtils.decrypt(base64TeaByteOld,null);
System.out.println( "tea解密：");
for(byte i : base64TeaByte)
System.out.print(byteToHex(i) + " ");
System.out.println();
//int imeiLength = base64TeaByte[28] & 0xFF;
int imeiLength = Integer.parseInt(Base64TeaUitls.getStartToEndForInt(28, 28, base64TeaByte));
System.out.println("imeiLength:"+imeiLength);
System.out.println("IMEI:"+ Base64TeaUitls.getStartToEndForHex(28+1, 28+imeiLength, base64TeaByte));
System.out.println("IMEI:"+ Base64TeaUitls.getStartToEndForInt(28+1, 28+imeiLength, base64TeaByte));
System.out.println("IMEI:"+ Base64TeaUitls.getStartToEndForASIII(28+1, 28+imeiLength, base64TeaByte));
}
}

+ 167
- 0
utils/Base64Util.java Ver arquivo


package com.inet.ailink.receiver.common.utils;

import java.io.UnsupportedEncodingException;
import java.util.Base64;

//import com.google.common.primitives.Bytes;

public class Base64Util
{
final static Base64.Decoder decoder = Base64.getDecoder();
final static Base64.Encoder encoder = Base64.getEncoder();
public Base64Util(){}
/**
* 解码
* @param encoderStr
* @return
* @throws UnsupportedEncodingException
*/
public static String decoderString(String base64Text) throws UnsupportedEncodingException{
String result = "";
if(base64Text != null && !base64Text.isEmpty() && !base64Text.equals("")){
byte[] textByte = decoder.decode(base64Text);
result = bytes_String16(textByte);
}
return result;
}
/**
* byte[]转16进制字符串
* @param b
* @return
*/
public static String bytes_String16(byte[] b) {
StringBuilder sb = new StringBuilder();
for(int i=0;i<b.length;i++) {
sb.append(String.format("%02x", b[i]));
}
return sb.toString();
}

/**
* 编码
* @param encoderStr
* @return
* @throws UnsupportedEncodingException
*/
public static String encoderString(String base64Text) throws UnsupportedEncodingException{
String result = "";
if(base64Text != null && !base64Text.isEmpty() && !base64Text.equals("")){
byte[] textByte = base64Text.getBytes("UTF-8");
result = encoder.encodeToString(textByte);
}
return result;
}
/**
* 编码
* @param encoderStr
* @return
* @throws UnsupportedEncodingException
*/
public static String encoderString(byte[] textByte) throws UnsupportedEncodingException{
return encoder.encodeToString(textByte);
}

public static int getLength(String s) {
int length = 0;
for (int i = 0; i < s.length(); i++) {
int ascii = Character.codePointAt(s, i);
if (ascii >= 0 && ascii <= 255) {
length++;
} else {
length += 2;
}
}
return length;
}
private static String intToHex(int n) {
StringBuffer s = new StringBuffer();
String a;
char []b = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
while(n != 0){
s = s.append(b[n%16]);
n = n/16;
}
a = s.reverse().toString();
return a;
}
public static byte[] hexStrToByteArray(String str)
{
if (str == null) {
return null;
}
if (str.length() == 0) {
return new byte[0];
}
byte[] byteArray = new byte[str.length() / 2];
for (int i = 0; i < byteArray.length; i++){
String subStr = str.substring(2 * i, 2 * i + 2);
byteArray[i] = ((byte)Integer.parseInt(subStr, 16));
}
return byteArray;
}
public static void main(String args[]) throws UnsupportedEncodingException
{
//01 01 16 b7 28 32 18 4a 88 00 0e 00 00 00 00 42 4d 10 01 0a 00 13 05 07 e9
byte[] old =new byte[]{(byte)0x01
,(byte)0x01 ,(byte)0x16 ,(byte)0xb7 ,(byte)0x28
,(byte)0x32 ,(byte)0x18 ,(byte)0x4a ,(byte)0x88
,(byte)0x00 ,(byte)0x0e ,(byte)0x00 ,(byte)0x00
,(byte)0x00 ,(byte)0x00 ,(byte)0x42 ,(byte)0x4d
,(byte)0x10 ,(byte)0x01 ,(byte)0x0a ,(byte)0x00
,(byte)0x13 ,(byte)0x05 ,(byte)0x07 ,(byte)0xe9};
//原始数据
System.out.println( "原始数据：");
for(byte i : old)
System.out.print(i + " ");
System.out.println();
//tea加密
byte[] teaDscrypt =TeaUtils.encrypt(old,null);
System.out.println( "tea加密：");
for(byte i : teaDscrypt)
System.out.print(i + " ");
System.out.println();
//base编码
String base64Text = encoderString(teaDscrypt);
System.out.println("base64编码后的数据长度:"+getLength(base64Text)+"："+base64Text);
//base解码
String base64TextEn= decoderString(base64Text);
System.out.println("base64解码后的数据长度:"+getLength(base64TextEn)+"："+base64TextEn);
/*//转称byte数组(每两位一个16进制byte)
List<String> base64TeaByteOldList = new ArrayList<String>();
for(int i=0;i<base64TextEn.length();i++){
if(i%2 == 0){
base64TeaByteOldList.add("0x"+base64TextEn.charAt(i)+base64TextEn.charAt(i+1));
}
}
//解码后转换得到的list
System.out.println("解码后转换得到的list：");
for(String byte16:base64TeaByteOldList){
System.out.print(byte16+" ");
}
System.out.println();*/

//解码数据转换为byte数组
byte[] base64TeaByteOld = hexStrToByteArray(base64TextEn);
System.out.println( "解码后得到的tea加密的byte数组：");
for(byte i : base64TeaByteOld)
System.out.print(i + " ");
System.out.println();
byte[] base64TeaByte =TeaUtils.decrypt(base64TeaByteOld,null);
System.out.println( "tea解密：");
for(byte i : base64TeaByte)
System.out.print(i + " ");
System.out.println();
}
}

+ 895
- 0
utils/BytesUtils.java Ver arquivo

package com.inet.ailink.receiver.common.utils;
import org.apache.commons.lang.ArrayUtils;
import java.nio.charset.Charset;
/**
*
* @Description: 字节数组转换工具类
* @author fun
* @date 2019年3月27日
*/
public class BytesUtils {
public static final String GBK = "GBK";
public static final String UTF8 = "utf-8";
public static final char[] ascii = "0123456789ABCDEF".toCharArray();
private static char[] HEX_VOCABLE = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
/**
* 将short整型数值转换为字节数组
*
* @param data
* @return
*/
public static byte[] getBytes(short data) {
byte[] bytes = new byte[2];
bytes[0] = (byte) ((data & 0xff00) >> 8);
bytes[1] = (byte) (data & 0xff);
return bytes;
}
/**
* 将字符转换为字节数组
*
* @param data
* @return
*/
public static byte[] getBytes(char data) {
byte[] bytes = new byte[2];
bytes[0] = (byte) (data >> 8);
bytes[1] = (byte) (data);
return bytes;
}
/**
* 将布尔值转换为字节数组
*
* @param data
* @return
*/
public static byte[] getBytes(boolean data) {
byte[] bytes = new byte[1];
bytes[0] = (byte) (data ? 1 : 0);
return bytes;
}
/**
* 将整型数值转换为字节数组
*
* @param data
* @return
*/
public static byte[] getBytes(int data) {
byte[] bytes = new byte[4];
bytes[0] = (byte) ((data & 0xff000000) >> 24);
bytes[1] = (byte) ((data & 0xff0000) >> 16);
bytes[2] = (byte) ((data & 0xff00) >> 8);
bytes[3] = (byte) (data & 0xff);
return bytes;
}
/**
* 将long整型数值转换为字节数组
*
* @param data
* @return
*/
public static byte[] getBytes(long data) {
byte[] bytes = new byte[8];
bytes[0] = (byte) ((data >> 56) & 0xff);
bytes[1] = (byte) ((data >> 48) & 0xff);
bytes[2] = (byte) ((data >> 40) & 0xff);
bytes[3] = (byte) ((data >> 32) & 0xff);
bytes[4] = (byte) ((data >> 24) & 0xff);
bytes[5] = (byte) ((data >> 16) & 0xff);
bytes[6] = (byte) ((data >> 8) & 0xff);
bytes[7] = (byte) (data & 0xff);
return bytes;
}
/**
* 将float型数值转换为字节数组
*
* @param data
* @return
*/
public static byte[] getBytes(float data) {
int intBits = Float.floatToIntBits(data);
return getBytes(intBits);
}
/**
*
* @Title: getBytes
* @Description: 将double型数值转换为字节数组
* @return byte[]
* @author fun
* @date 2019年3月27日
*/
public static byte[] getBytes(double data) {
long intBits = Double.doubleToLongBits(data);
return getBytes(intBits);
}
/**
*
* @Title: getBytes
* @Description: 将字符串按照charsetName编码格式的字节数组
* @return byte[]
* @param data 字符串
* @param charsetName
* @author fun
* @date 2019年3月27日
*/
public static byte[] getBytes(String data, String charsetName) {
Charset charset = Charset.forName(charsetName);
return data.getBytes(charset);
}
/**
*
* @Title: getBytes
* @Description: 将字符串按照GBK编码格式的字节数组
* @return byte[]
* @author fun
* @date 2019年3月27日
*/
public static byte[] getBytes(String data) {
return getBytes(data, GBK);
}
/**
*
* @Title: getBoolean
* @Description: 将字节数组第0字节转换为布尔值
* @return boolean
* @author fun
* @date 2019年3月27日
*/
public static boolean getBoolean(byte[] bytes) {
return bytes[0] == 1;
}
/**
*
* @Title: getBoolean
* @Description: 将字节数组的第index字节转换为布尔值
* @return boolean
* @author fun
* @date 2019年3月27日
*/
public static boolean getBoolean(byte[] bytes, int index) {
return bytes[index] == 1;
}
/**
*
* @Title: getShort
* @Description: 将字节数组前2字节转换为short整型数值
* @return short
* @author fun
* @date 2019年3月27日
*/
public static short getShort(byte[] bytes) {
return (short) ((0xff00 & (bytes[0] << 8)) | (0xff & bytes[1]));
}
/**
*
* @Title: getShort
* @Description: 将字节数组从startIndex开始的2个字节转换为short整型数值
* @return short
* @author fun
* @date 2019年3月27日
*/
public static short getShort(byte[] bytes, int startIndex) {
return (short) ((0xff00 & (bytes[startIndex] << 8)) | (0xff & bytes[startIndex + 1]));
}
/**
*
* @Title: getChar
* @Description: 将字节数组前2字节转换为字符
* @return char
* @author fun
* @date 2019年3月27日
*/
public static char getChar(byte[] bytes) {
return (char) ((0xff00 & (bytes[0] << 8)) | (0xff & bytes[1]));
}
/**
*
* @Title: getChar
* @Description: 将字节数组从startIndex开始的2个字节转换为字符
* @return char
* @author fun
* @date 2019年3月27日
*/
public static char getChar(byte[] bytes, int startIndex) {
return (char) ((0xff00 & (bytes[startIndex] << 8)) | (0xff & bytes[startIndex + 1]));
}
/**
*
* @Title: getInt
* @Description: 将字节数组前4字节转换为整型数值
* @return int
* @author fun
* @date 2019年3月27日
*/
public static int getInt(byte[] bytes) {
return (0xff000000 & (bytes[0] << 24) | (0xff0000 & (bytes[1] << 16)) | (0xff00 & (bytes[2] << 8))
| (0xff & bytes[3]));
}
/**
*
* @Title: getInt
* @Description: 将字节数组从startIndex开始的4个字节转换为整型数值
* @return int
* @author fun
* @date 2019年3月27日
*/
public static int getInt(byte[] bytes, int startIndex) {
return (0xff000000 & (bytes[startIndex] << 24) | (0xff0000 & (bytes[startIndex + 1] << 16))
| (0xff00 & (bytes[startIndex + 2] << 8)) | (0xff & bytes[startIndex + 3]));
}
/**
* 将字节数组前8字节转换为long整型数值
*
* @param bytes
* @return
*/
public static long getLong(byte[] bytes) {
return (0xff00000000000000L & ((long) bytes[0] << 56) | (0xff000000000000L & ((long) bytes[1] << 48))
| (0xff0000000000L & ((long) bytes[2] << 40)) | (0xff00000000L & ((long) bytes[3] << 32))
| (0xff000000L & ((long) bytes[4] << 24)) | (0xff0000L & ((long) bytes[5] << 16))
| (0xff00L & ((long) bytes[6] << 8)) | (0xffL & (long) bytes[7]));
}
/**
* 将字节数组从startIndex开始的8个字节转换为long整型数值
*
* @param bytes
* @param startIndex
* @return
*/
public static long getLong(byte[] bytes, int startIndex) {
return (0xff00000000000000L & ((long) bytes[startIndex] << 56)
| (0xff000000000000L & ((long) bytes[startIndex + 1] << 48))
| (0xff0000000000L & ((long) bytes[startIndex + 2] << 40))
| (0xff00000000L & ((long) bytes[startIndex + 3] << 32))
| (0xff000000L & ((long) bytes[startIndex + 4] << 24))
| (0xff0000L & ((long) bytes[startIndex + 5] << 16)) | (0xff00L & ((long) bytes[startIndex + 6] << 8))
| (0xffL & (long) bytes[startIndex + 7]));
}
/**
* 将字节数组前4字节转换为float型数值
*
* @param bytes
* @return
*/
public static float getFloat(byte[] bytes) {
return Float.intBitsToFloat(getInt(bytes));
}
/**
* 将字节数组从startIndex开始的4个字节转换为float型数值
*
* @param bytes
* @param startIndex
* @return
*/
public static float getFloat(byte[] bytes, int startIndex) {
byte[] result = new byte[4];
System.arraycopy(bytes, startIndex, result, 0, 4);
return Float.intBitsToFloat(getInt(result));
}
/**
* 将字节数组前8字节转换为double型数值
*
* @param bytes
* @return
*/
public static double getDouble(byte[] bytes) {
long l = getLong(bytes);
return Double.longBitsToDouble(l);
}
/**
* 将字节数组从startIndex开始的8个字节转换为double型数值
*
* @param bytes
* @param startIndex
* @return
*/
public static double getDouble(byte[] bytes, int startIndex) {
byte[] result = new byte[8];
System.arraycopy(bytes, startIndex, result, 0, 8);
long l = getLong(result);
return Double.longBitsToDouble(l);
}
/**
* 将charsetName编码格式的字节数组转换为字符串
*
* @param bytes
* @param charsetName
* @return
*/
public static String getString(byte[] bytes, String charsetName) {
return new String(bytes, Charset.forName(charsetName));
}
/**
* 将GBK编码格式的字节数组转换为字符串
*
* @param bytes
* @return
*/
public static String getString(byte[] bytes) {
return getString(bytes, GBK);
}
/**
* 将16进制字符串转换为字节数组
*
* @param hex
* @return
*/
public static byte[] hexStringToBytes(String hex) {
if (hex == null || "".equals(hex)) {
return null;
}
int len = hex.length() / 2;
byte[] result = new byte[len];
char[] chArr = hex.toCharArray();
for (int i = 0; i < len; i++) {
int pos = i * 2;
result[i] = (byte) (toByte(chArr[pos]) << 4 | toByte(chArr[pos + 1]));
}
return result;
}
/**
* 将16进制字符串转换为字节数组
*
* @param hex
* @return
*/
public static byte[] hexToBytes(String hex) {
if (hex.length() % 2 != 0)
throw new IllegalArgumentException("input string should be any multiple of 2!");
hex.toUpperCase();
byte[] byteBuffer = new byte[hex.length() / 2];
byte padding = 0x00;
boolean paddingTurning = false;
for (int i = 0; i < hex.length(); i++) {
if (paddingTurning) {
char c = hex.charAt(i);
int index = indexOf(hex, c);
padding = (byte) ((padding << 4) | index);
byteBuffer[i / 2] = padding;
padding = 0x00;
paddingTurning = false;
} else {
char c = hex.charAt(i);
int index = indexOf(hex, c);
padding = (byte) (padding | index);
paddingTurning = true;
}
}
return byteBuffer;
}
private static int indexOf(String input, char c) {
int index = ArrayUtils.indexOf(HEX_VOCABLE, c);
if (index < 0) {
throw new IllegalArgumentException("err input:" + input);
}
return index;
}
/**
* 将BCD编码的字节数组转换为字符串
*
* @param bcds
* @return
*/
public static String bcdToString(byte[] bcds) {
if (bcds == null || bcds.length == 0) {
return null;
}
byte[] temp = new byte[2 * bcds.length];
for (int i = 0; i < bcds.length; i++) {
temp[i * 2] = (byte) ((bcds[i] >> 4) & 0x0f);
temp[i * 2 + 1] = (byte) (bcds[i] & 0x0f);
}
StringBuffer res = new StringBuffer();
for (int i = 0; i < temp.length; i++) {
res.append(ascii[temp[i]]);
}
return res.toString();
}
/**
* 字节转整形
*
* @param value
* @return
*/
public static int bcdToInt(byte value) {
return ((value >> 4) * 10) + (value & 0x0F);
}
/**
* 字节数组转16进制字符串
*
* @param bs
* @return
*/
public static String bytesToHex(byte[] bs) {
StringBuilder sb = new StringBuilder();
for (byte b : bs) {
int high = (b >> 4) & 0x0f;
int low = b & 0x0f;
sb.append(HEX_VOCABLE[high]);
sb.append(HEX_VOCABLE[low]);
}
return sb.toString();
}
/**
* 字节数组取前len个字节转16进制字符串
*
* @param bs
* @param len
* @return
*/
public static String bytesToHex(byte[] bs, int len) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < len; i++) {
byte b = bs[i];
int high = (b >> 4) & 0x0f;
int low = b & 0x0f;
sb.append(HEX_VOCABLE[high]);
sb.append(HEX_VOCABLE[low]);
}
return sb.toString();
}
/**
* 字节数组偏移offset长度之后的取len个字节转16进制字符串
*
* @param bs
* @param offset
* @param len
* @return
*/
public static String bytesToHex(byte[] bs, int offset, int len) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < len; i++) {
byte b = bs[offset + i];
int high = (b >> 4) & 0x0f;
int low = b & 0x0f;
sb.append(HEX_VOCABLE[high]);
sb.append(HEX_VOCABLE[low]);
}
return sb.toString();
}
/**
* 字节转16进制字符串
*
* @param bs
* @return
*/
public static String byteToHex(byte b) {
StringBuilder sb = new StringBuilder();
int high = (b >> 4) & 0x0f;
int low = b & 0x0f;
sb.append(HEX_VOCABLE[high]);
sb.append(HEX_VOCABLE[low]);
String s = sb.toString();
if ("".equals(s.substring(0, 1))) {
return s.substring(1);
} else {
return s;
}
}
/**
* 将字节数组取反
*
* @param src
* @return
*/
public static String negate(byte[] src) {
if (src == null || src.length == 0) {
return null;
}
byte[] temp = new byte[2 * src.length];
for (int i = 0; i < src.length; i++) {
byte tmp = (byte) (0xFF ^ src[i]);
temp[i * 2] = (byte) ((tmp >> 4) & 0x0f);
temp[i * 2 + 1] = (byte) (tmp & 0x0f);
}
StringBuffer res = new StringBuffer();
for (int i = 0; i < temp.length; i++) {
res.append(ascii[temp[i]]);
}
return res.toString();
}
/**
* 比较字节数组是否相同
*
* @param a
* @param b
* @return
*/
public static boolean compareBytes(byte[] a, byte[] b) {
if (a == null || a.length == 0 || b == null || b.length == 0 || a.length != b.length) {
return false;
}
if (a.length == b.length) {
for (int i = 0; i < a.length; i++) {
if (a[i] != b[i]) {
return false;
}
}
} else {
return false;
}
return true;
}
/**
* 只比对指定长度byte
*
* @param a
* @param b
* @param len
* @return
*/
public static boolean compareBytes(byte[] a, byte[] b, int len) {
if (a == null || a.length == 0 || b == null || b.length == 0 || a.length < len || b.length < len) {
return false;
}
for (int i = 0; i < len; i++) {
if (a[i] != b[i]) {
return false;
}
}
return true;
}
/**
* 将字节数组转换为二进制字符串
*
* @param items
* @return
*/
public static String bytesToBinaryString(byte[] items) {
if (items == null || items.length == 0) {
return null;
}
StringBuffer buf = new StringBuffer();
for (byte item : items) {
buf.append(byteToBinaryString(item));
}
return buf.toString();
}
/**
* 将字节转换为二进制字符串
*
* @param items
* @return
*/
public static String byteToBinaryString(byte item) {
byte a = item;
StringBuffer buf = new StringBuffer();
for (int i = 0; i < 8; i++) {
buf.insert(0, a % 2);
a = (byte) (a >> 1);
}
return buf.toString();
}
/**
* 对数组a，b进行异或运算
*
* @param a
* @param b
* @return
*/
public static byte[] xor(byte[] a, byte[] b) {
if (a == null || a.length == 0 || b == null || b.length == 0 || a.length != b.length) {
return null;
}
byte[] result = new byte[a.length];
for (int i = 0; i < a.length; i++) {
result[i] = (byte) (a[i] ^ b[i]);
}
return result;
}
/**
* 对数组a，b进行异或运算 运算长度len
*
* @param a
* @param b
* @param len
* @return
*/
public static byte[] xor(byte[] a, byte[] b, int len) {
if (a == null || a.length == 0 || b == null || b.length == 0) {
return null;
}
if (a.length < len || b.length < len) {
return null;
}
byte[] result = new byte[len];
for (int i = 0; i < len; i++) {
result[i] = (byte) (a[i] ^ b[i]);
}
return result;
}
/**
* 将short整型数值转换为字节数组
*
* @param num
* @return
*/
public static byte[] shortToBytes(int num) {
byte[] temp = new byte[2];
for (int i = 0; i < 2; i++) {
temp[i] = (byte) ((num >>> (8 - i * 8)) & 0xFF);
}
return temp;
}
/**
* 将字节数组转为整型
*
* @param num
* @return
*/
public static int bytesToShort(byte[] arr) {
int mask = 0xFF;
int temp = 0;
int result = 0;
for (int i = 0; i < 2; i++) {
result <<= 8;
temp = arr[i] & mask;
result |= temp;
}
return result;
}
/**
* 将整型数值转换为指定长度的字节数组
*
* @param num
* @return
*/
public static byte[] intToBytes(int num) {
byte[] temp = new byte[4];
for (int i = 0; i < 4; i++) {
temp[i] = (byte) ((num >>> (24 - i * 8)) & 0xFF);
}
return temp;
}
/**
* 将整型数值转换为指定长度的字节数组
*
* @param src
* @param len
* @return
*/
public static byte[] intToBytes(int src, int len) {
if (len < 1 || len > 4) {
return null;
}
byte[] temp = new byte[len];
for (int i = 0; i < len; i++) {
temp[len - 1 - i] = (byte) ((src >>> (8 * i)) & 0xFF);
}
return temp;
}
/**
* 将字节数组转换为整型数值
*
* @param arr
* @return
*/
public static int bytesToInt(byte[] arr) {
int mask = 0xFF;
int temp = 0;
int result = 0;
for (int i = 0; i < 4; i++) {
result <<= 8;
temp = arr[i] & mask;
result |= temp;
}
return result;
}
/**
* 将long整型数值转换为字节数组
*
* @param num
* @return
*/
public static byte[] longToBytes(long num) {
byte[] temp = new byte[8];
for (int i = 0; i < 8; i++) {
temp[i] = (byte) ((num >>> (56 - i * 8)) & 0xFF);
}
return temp;
}
/**
* 将字节数组转换为long整型数值
*
* @param arr
* @return
*/
public static long bytesToLong(byte[] arr) {
int mask = 0xFF;
int temp = 0;
long result = 0;
int len = Math.min(8, arr.length);
for (int i = 0; i < len; i++) {
result <<= 8;
temp = arr[i] & mask;
result |= temp;
}
return result;
}
/**
* 将16进制字符转换为字节
*
* @param c
* @return
*/
public static byte toByte(char c) {
byte b = (byte) "0123456789ABCDEF".indexOf(c);
return b;
}
/**
* 功能描述：把两个字节的字节数组转化为整型数据，高位补零，例如：<br/>
* 有字节数组byte[] data = new byte[]{1,2};转换后int数据的字节分布如下：<br/>
* 00000000 00000000 00000001 00000010,函数返回258
*
* @param lenData
* 需要进行转换的字节数组
* @return 字节数组所表示整型值的大小
*/
public static int bytesToIntWhereByteLengthEquals2(byte lenData[]) {
if (lenData.length != 2) {
return -1;
}
byte fill[] = new byte[] { 0, 0 };
byte real[] = new byte[4];
System.arraycopy(fill, 0, real, 0, 2);
System.arraycopy(lenData, 0, real, 2, 2);
int len = byteToInt(real);
return len;
}
/**
* 功能描述：将byte数组转化为int类型的数据
*
* @param byteVal
* 需要转化的字节数组
* @return 字节数组所表示的整型数据
*/
public static int byteToInt(byte[] byteVal) {
int result = 0;
for (int i = 0; i < byteVal.length; i++) {
int tmpVal = (byteVal[i] << (8 * (3 - i)));
switch (i) {
case 0:
tmpVal = tmpVal & 0xFF000000;
break;
case 1:
tmpVal = tmpVal & 0x00FF0000;
break;
case 2:
tmpVal = tmpVal & 0x0000FF00;
break;
case 3:
tmpVal = tmpVal & 0x000000FF;
break;
}
result = result | tmpVal;
}
return result;
}
public static byte CheckXORSum(byte[] bData) {
byte sum = 0x00;
for (int i = 0; i < bData.length; i++) {
sum ^= bData[i];
}
return sum;
}
/**
* 从offset开始 将后续长度为len的byte字节转为int
*
* @param data
* @param offset
* @param len
* @return
*/
public static int bytesToInt(byte[] data, int offset, int len) {
int mask = 0xFF;
int temp = 0;
int result = 0;
len = Math.min(len, 4);
for (int i = 0; i < len; i++) {
result <<= 8;
temp = data[offset + i] & mask;
result |= temp;
}
return result;
}
/**
* byte字节数组中的字符串的长度
*
* @param data
* @return
*/
public static int getBytesStringLen(byte[] data) {
int count = 0;
for (byte b : data) {
if (b == 0x00)
break;
count++;
}
return count;
}
/**
*
* @Title: hexString2binaryString
* @Description: 十六进制字符串转二进制字符串
* @return String
* @author fun
* @date 2019年3月27日
*/
public static String hexString2binaryString(String hexString) {
if (hexString == null || hexString.length() % 2 != 0)
return null;
String bString = "", tmp;
for (int i = 0; i < hexString.length(); i++) {
tmp = "0000" + Integer.toBinaryString(Integer.parseInt(hexString.substring(i, i + 1), 16));
bString += tmp.substring(tmp.length() - 4);
}
return bString;
}
}

+ 688
- 0
utils/DateUtils.java Ver arquivo

package com.inet.ailink.receiver.common.utils;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.time.FastDateFormat;

import java.math.BigDecimal;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

/**
* @ClassName: DateUtils
* @Description: 日期处理工具类
* @author david
* @date 2013-8-20 下午3:11:57
*
*/
public class DateUtils {

/**
* ISO8601 formatter for date without time zone. The format used is
* <tt>yyyy-MM-dd</tt>.
*/
public static final FastDateFormat DATE_FORMAT = FastDateFormat.getInstance("yyyy-MM-dd");

/**
* ISO8601 date format: yyyy-MM-dd
*/
public static final String DATE_FORMAT_PATTERN = "yyyy-MM-dd";

public static final String DATE_FORMAT_PATTERN_NO_SEPARATOR = "yyyyMMdd";

/**
* ISO8601 date-time format: yyyy-MM-dd HH:mm:ss
*/
public static final String DATETIME_FORMAT_PATTERN = "yyyy-MM-dd HH:mm:ss";

/**
* for bet view format: yyyy-MM-dd HH:mm:ss
*/
public static final String DATETIME_JSVIEW_FORMAT_PATTERN = "yyyy/MM/dd HH:mm:ss";
public static final String DATETIME_SENDTIME_FORMAT_PATTERN = "yyyyMMddHHmmssSSS";
/**
* 日期时间格式：yyyy-MM-dd HH:mm，不显示秒
*/
public static final String DATETIME_WITHOUT_SECOND_FORMAT_PATTERN = "yyyy-MM-dd HH:mm";

/**
* 日期时间格式：yyyy-MM-dd HH
*/
public static final String DATETIME_WITHOUT_MINUTES_FORMAT_PATTERN = "yyyy-MM-dd HH";
public static final String DATE_TIME_START00 = " 00:00:00";
public static final String DATE_TIME_END23 = " 23:59:59";

/**
* 获得当前时间
*/
public static Date currentDate() {
return new Date();
}

public static Date getDate(Long time) {
return new Date(time);
}

public static Long getCurTime() {
return System.currentTimeMillis();
}

public static Date parse(String str) {
return parse(str, DATE_FORMAT_PATTERN);
}

public static Date parse(String str, String pattern) {
if (StringUtils.isBlank(str)) {
return null;
}
DateFormat parser = new SimpleDateFormat(pattern);
try {
return parser.parse(str);
} catch (ParseException e) {
throw new IllegalArgumentException("Can't parse " + str + " using " + pattern);
}
}

/**
* 根据时间变量返回时间字符串
*/
public static String format(Date date, String pattern) {
if (date == null) {
return null;
}
FastDateFormat df = FastDateFormat.getInstance(pattern);
return df.format(date);
}

public static String format(Long time, String pattern) {
if (time == null) {
return null;
}
FastDateFormat df = FastDateFormat.getInstance(pattern);
return df.format(new Date(time));
}

/**
* return date format is <code>yyyy-MM-dd</code>
*/
public static String format(Date date) {
return date == null ? null : DATE_FORMAT.format(date);
}

public static Date getEndDateTimeOfCurrentYear() {
Calendar cal = Calendar.getInstance();
cal.setTime(currentDate());
cal.set(Calendar.MONTH, Calendar.DECEMBER);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime();
}

public static Date getStartDateTimeOfCurrentYear() {
Calendar cal = Calendar.getInstance();
cal.setTime(currentDate());
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DAY_OF_MONTH, 1);

cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
return parse(format(cal.getTime()));

}

public static Date getStartDateTimeOfYear(int year) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DAY_OF_MONTH, 1);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
return parse(format(cal.getTime()));
}

public static Date getEndDateTimeOfYear(int year) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, Calendar.DECEMBER);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime();
}

public static Date getStartTimeOfCurrentDate() {
return getStartTimeOfDate(currentDate());
}

public static Date getEndTimeOfCurrentDate() {
return getEndTimeOfDate(currentDate());
}

public static Date getStartTimeOfCurrentMonth() {
return getStartDateTimeOfMonth(DateUtils.currentDate());
}

public static Date getEndTimeOfCurrentMonth() {
return getEndDateTimeOfMonth(DateUtils.currentDate());
}

public static Date getStartTimeOfDate(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
return parse(format(cal.getTime()));
}

public static Date getEndTimeOfDate(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime();
}

public static Date getSpecialEndTimeOfDate(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 24);
cal.set(Calendar.MINUTE, 00);
cal.set(Calendar.SECOND, 00);
return cal.getTime();
}

public static Date getStartDateTimeOfMonth(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.DAY_OF_MONTH, 1);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
return parse(format(cal.getTime()));
}

public static Date getStartDateTimeOfMonth(int year, int month) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, month - 1);
cal.set(Calendar.DAY_OF_MONTH, 1);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
return parse(format(cal.getTime()));
}

public static Date getEndDateTimeOfMonth(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime();
}

public static Date addHours(Date date, int hours) {
return add(date, Calendar.HOUR_OF_DAY, hours);
}

public static Date addMinutes(Date date, int minutes) {
return add(date, Calendar.MINUTE, minutes);
}

public static Date addSeconds(Date date, int seconds) {
return add(date, Calendar.SECOND, seconds);
}

public static Date addDays(Date date, int days) {
return add(date, Calendar.DATE, days);
}

public static Date addMonths(Date date, int months) {
return add(date, Calendar.MONTH, months);
}

public static Date addYears(Date date, int years) {
return add(date, Calendar.YEAR, years);
}

private static Date add(Date date, int field, int amount) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(field, amount);
return cal.getTime();
}

public static long calcDateBetween(Date start, Date end) {
if (start == null || end == null) {
return 0;
}

return ((end.getTime() - start.getTime()) / 86400001) + 1;
}

public static long calcHoursBetween(Date start, Date end) {
if (start == null || end == null) {
return 0;
}

return ((end.getTime() - start.getTime()) / (60000 * 60));
}

public static Double calcHoursDoubleBetween(Date start, Date end) {
if (start == null || end == null) {
return 0d;
}
Double time = ((end.getTime() - start.getTime()) / (60000.0 * 60.0));
return Double.valueOf(new java.text.DecimalFormat("#.0").format(time));
}

public static Double calcHoursDouble(Date start, Date end) {
if (start == null || end == null) {
return 0d;
}
// (new BigDecimal(end.getTime()).subtract(new
// BigDecimal(start.getTime()))).divide(new BigDecimal(60000.0*60.0), 7,
// BigDecimal.ROUND_HALF_UP).doubleValue();
Double time = (new BigDecimal(end.getTime()).subtract(new BigDecimal(start.getTime())))
.divide(new BigDecimal(60000.0 * 60.0), 7, BigDecimal.ROUND_HALF_UP).doubleValue();// ((end.getTime() -
// start.getTime())
// /
// (60000.0*60.0));
return time;
}

public static long calcMinutesBetween(Date start, Date end) {
if (start == null || end == null) {
return 0;
}

return ((end.getTime() - start.getTime()) / 60000);
}

public static long calcSecondsBetween(Date start, Date end) {
if (start == null || end == null) {
return 0;
}
return ((end.getTime() - start.getTime()) / 1000);
}

public static long calcSecondsBetween(Long start, Long end) {
return (end - start) / 1000;
}

/**
* 获得日期是否为星期天。
*
* @param date 日期
* @return
*/
public static boolean isSunday(Date date) {
return getDate(date) == Calendar.SUNDAY;
}

/**
* 获得日期是否为星期一。
*
* @param date 日期
* @return
*/
public static boolean isMonday(Date date) {
return getDate(date) == Calendar.MONDAY;
}

/**
* 获得日期是否为星期二。
*
* @param date 日期
* @return
*/
public static boolean isTuesday(Date date) {
return getDate(date) == Calendar.TUESDAY;
}

/**
* 获得日期是否为星期三。
*
* @param date 日期
* @return
*/
public static boolean isWednesday(Date date) {
return getDate(date) == Calendar.WEDNESDAY;
}

/**
* 获得日期是否为星期四。
*
* @param date 日期
* @return
*/
public static boolean isThursday(Date date) {
return getDate(date) == Calendar.THURSDAY;
}

/**
* 获得日期是否为星期五。
*
* @param date 日期
* @return
*/
public static boolean isFriday(Date date) {
return getDate(date) == Calendar.FRIDAY;
}

/**
* 获得日期是否为星期六。
*
* @param date 日期
* @return
*/
public static boolean isSaturday(Date date) {
return getDate(date) == Calendar.SATURDAY;
}

public static int getDate(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(Calendar.DAY_OF_WEEK);
}

/**
* 获得相对于今天的昨天的时间。
*
* @return 昨天此时。
*/
public static Date getYesterday() {
return addDays(currentDate(), -1);
}

/**
* 获得月份
*
* @param date
* @return
*/
public static int getMonth(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.MONTH) + 1;
}

/**
* 获得年份
*
* @param date
* @return
*/
public static int getYear(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.YEAR);
}

/**
* 获得天
*
* @param date
* @return
*/
public static int getDay(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.DATE);
}

/**
* 获得天
*
* @param date
* @return
*/
public static int getDayOfYear(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.DAY_OF_YEAR);
}

/**
* 获得小时
*
* @param date
* @return
*/
public static int getHours(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.HOUR_OF_DAY);
}

public static int getMinutes(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.MINUTE);
}

public static int getSeconds(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.SECOND);
}

public static int getMILLISECOND(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.MILLISECOND);
}

public static long getTimeDiff(Date beginDate, Date endDate) {
return (endDate.getTime() - beginDate.getTime()) / 1000;
}

public static int getDaysOfMonth(int year, int month) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, month);// 7月
return cal.getActualMaximum(Calendar.DATE);
}

public static long convertDate2Long(Date date) {
if (date == null) {
return 0l;
}
return date.getTime();
}

public static Date convertLong2Date(Long unixTimestamp) {
if (unixTimestamp != null) {
return new Date(unixTimestamp);
}
return null;
}

/**
* 判断时间是否在指定的时间范围内。
*
* @param low
* @param high
* @return
*/
public static boolean between(Date low, Date high) {
return currentDate().after(low) && currentDate().before(high);
}

public static int getDayValue(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int i = cal.get(Calendar.DAY_OF_WEEK);
if (i == 1) {
return 7;
} else {
return i - 1;
}
}

public static boolean isBefore(Date date1, Date date2) {
return date1.getTime() < date2.getTime();
}

public static Date average(Date date1, Date date2) {
return new Date((date1.getTime() + date2.getTime()) / 2);
}

public static int getDaysOfMonth(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
return cal.get(Calendar.DAY_OF_MONTH);
}

public static int getCurrentRemainingSeconds() {
// *** 计算过期时间 一整天 获取 时：分：秒
Calendar calendar = Calendar.getInstance();
int hours = calendar.get(Calendar.HOUR_OF_DAY); // 时
int minutes = calendar.get(Calendar.MINUTE); // 分
int seconds = calendar.get(Calendar.SECOND); // 秒
return 24 * 60 * 60 - hours * 60 * 60 - minutes * 60 - seconds;
}

public static Long getTimeLong(String str) {
return parse(str, DATETIME_FORMAT_PATTERN).getTime();
}

public static String getStringTodayC() {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmssSSS");
String dateString = formatter.format(currentTime);
return dateString;
}

///////////////////////////////////////////////////
// 引用s https://blog.csdn.net/tz_gx/article/details/25284237

// s 上月第一天
public static Date getPreviousMonthDayBegin() {
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
lastDate.add(Calendar.MONTH, -1);// 减一个月，变为上月的1号
return lastDate.getTime();
}

// s 获得上月最后一天的日期
public static Date getPreviousMonthDayEnd() {
Calendar lastDate = Calendar.getInstance();
lastDate.add(Calendar.MONTH, -1);// 减一个月
lastDate.set(Calendar.DATE, 1);// 把日期设置为当月第一天
lastDate.roll(Calendar.DATE, -1);// 日期回滚一天，也就是本月最后一天
return lastDate.getTime();
}

// s 获取当月第一天
public static Date getCurrentMonthDayBegin() {
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
return lastDate.getTime();
}

// s 计算当月最后一天,返回字符串
public static Date getCurrentMonthDayEnd() {
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
lastDate.add(Calendar.MONTH, 1);// 加一个月，变为下月的1号
lastDate.add(Calendar.DATE, -1);// 减去一天，变为当月最后一天
return lastDate.getTime();
}

// s 获得本周一的日期
public static Date getCurrentWeekDayBegin() {
int mondayPlus = getMondayPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, mondayPlus);
return currentDate.getTime();
}

// s 获得本周星期日的日期
public static Date getCurrentWeekDayEnd() {
int mondayPlus = getMondayPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, mondayPlus + 6);
Date monday = currentDate.getTime();
return monday;
}

// s 获得当前日期与本周一相差的天数
private static int getMondayPlus() {
Calendar cd = Calendar.getInstance();
// 获得今天是一周的第几天，星期日是第一天，星期二是第二天......
int dayOfWeek = cd.get(Calendar.DAY_OF_WEEK) - 1; // s 因为按中国礼拜一作为第一天所以这里减1
if (dayOfWeek == 1) {
return 0;
} else {
return 1 - dayOfWeek;
}
}

// s 获得上周星期一的日期
public static Date getPreviousWeekDayBegin() {
int mondayPlus = getMondayPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, mondayPlus - 7);
return currentDate.getTime();
}

// s 获得上周星期日的日期
public static Date getPreviousWeekDayEnd() {
int mondayPlus = getMondayPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, mondayPlus - 1);
return currentDate.getTime();
}
public static int getAge(Date birthDay){
Calendar cal = Calendar.getInstance();
if (cal.before(birthDay)) { //出生日期晚于当前时间，无法计算
return 0;
}
int yearNow = cal.get(Calendar.YEAR); //当前年份
int monthNow = cal.get(Calendar.MONTH); //当前月份
int dayOfMonthNow = cal.get(Calendar.DAY_OF_MONTH); //当前日期
cal.setTime(birthDay);
int yearBirth = cal.get(Calendar.YEAR);
int monthBirth = cal.get(Calendar.MONTH);
int dayOfMonthBirth = cal.get(Calendar.DAY_OF_MONTH);
int age = yearNow - yearBirth; //计算整岁数
if (monthNow <= monthBirth) {
if (monthNow == monthBirth) {
if (dayOfMonthNow < dayOfMonthBirth) age--;//当前日期在生日之前，年龄减一
}else{
age--;//当前月份在生日之前，年龄减一
}
}
return age;
}
///////////////////////////////////

public static void main(String[] args) {
// System.out.println(getMILLISECOND(new Date()));

System.out.println(format(getPreviousWeekDayEnd()));

}

}

+ 127
- 0
utils/JsonMapper.java Ver arquivo

package com.inet.ailink.receiver.common.utils;

import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.util.JSONPObject;

import java.io.IOException;


public class JsonMapper {

private ObjectMapper mapper;

public JsonMapper() {
this(null);
}

public JsonMapper(Include include) {
mapper = new ObjectMapper();
if (include != null) {
mapper.setSerializationInclusion(include);
}
mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
}

public static JsonMapper nonEmptyMapper() {
return new JsonMapper(Include.NON_EMPTY);
}

public static JsonMapper nonDefaultMapper() {
return new JsonMapper(Include.NON_DEFAULT);
}

public static JsonMapper nonAlwaysMapper() {
return new JsonMapper(Include.ALWAYS);
}

public String toJson(Object object) {

try {
return mapper.writeValueAsString(object);
} catch (IOException e) {
return null;
}
}

public <T> T fromMapToObject(Object map, Class<T> cls) {
return this.fromJson(this.toJson(map), cls);
}
public <T> T fromMapToObject(Object map, JavaType cls) {
return this.fromJson(this.toJson(map), cls);
}

public <T> T fromJson(String jsonString, Class<T> clazz) {
if (isEmpty(jsonString)) {
return null;
}

try {
return mapper.readValue(jsonString, clazz);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}

public <T> T fromJson(String jsonString, JavaType javaType) {
if (isEmpty(jsonString)) {
return null;
}

try {
return (T) mapper.readValue(jsonString, javaType);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}

public JavaType createCollectionType(Class<?> collectionClass, Class<?>... elementClasses) {
return mapper.getTypeFactory().constructParametricType(collectionClass, elementClasses);
}

public <T> T update(String jsonString, T object) {
try {
return (T) mapper.readerForUpdating(object).readValue(jsonString);
} catch (JsonProcessingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}

public String toJsonP(String functionName, Object object) {
return toJson(new JSONPObject(functionName, object));
}

public void enableEnumUseToString() {
mapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
mapper.enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING);
}

public ObjectMapper getMapper() {
return mapper;
}

public static boolean isEmpty(String str) {
return str == null || str.length() == 0;
}
}

+ 61
- 0
utils/JsonUtils.java Ver arquivo

package com.inet.ailink.receiver.common.utils;

import java.util.ArrayList;
import java.util.List;


public class JsonUtils {
protected static JsonMapper jmapper = JsonMapper.nonEmptyMapper();
/**
* json数据结构转换对象
* @param jsonStr
* @param clazz
* @return
*/
public static <T> T fromJson(String jsonStr,Class<T> clazz){
return jmapper.fromJson(jsonStr, clazz);
}
/**json数据结构转换List<MyBean>
* @param jsonStr
* @param clazz
* @return
*/
public static <T> List<T> fromJson2List(String jsonStr,Class<T> clazz){
return jmapper.fromJson(jsonStr,
JsonMapper.nonDefaultMapper().createCollectionType(List.class, clazz));
}
/**
* 对象转换json数据结构
* @param obj
* @return
*/
public static String toJson(Object obj){
return jmapper.toJson(obj);
}
public static void main(String[] args){
/*String s="[{\"level\":\"3\",\"time\":\"1428551739622\"},{\"level\":\"4\",\"time\":\"1428551739623\"}]";
List<DeviceSignalRecordRequest> ss=fromJson2List(s, DeviceSignalRecordRequest.class);
String sss=toJson(new DeviceSignalRecordRequest());
System.out.println(ss);*/
List<String> a=new ArrayList<String>();
List<String> b=new ArrayList<String>();
List<List<String>> cc =new ArrayList<List<String>>();
a.add("11:00");
a.add("12:00");
b.add("13:00");
b.add("14:00");
cc.add(a);
cc.add(b);
System.out.println(JsonUtils.toJson(a));
List<String> k= JsonUtils.fromJson2List(JsonUtils.toJson(a),String.class);
for(String s:k){
System.out.println(s);
}
}
}

+ 279
- 0
utils/TeaUtils.java Ver arquivo

package com.inet.ailink.receiver.common.utils;
import com.inet.ailink.receiver.common.enums.Common;
import java.io.UnsupportedEncodingException;
public class TeaUtils {
public static byte[] encrypt(byte[] data, byte[] key) {
int data_len = data.length; // 数据的长度
if (data_len == 0) {
return new byte[] {};
}
TeaUtils t = new TeaUtils();
if (!t.setKey(key)) {
return new byte[] {};
}
int group_len = 8;
int residues = data_len % group_len; // 余数
int dlen = data_len - residues;
// 用于储存加密的密文，第一字节为余数的大小
//int result_len = data_len + 1;
int result_len = data_len;
if (residues > 0) {
result_len += group_len - residues;
}
byte[] result = new byte[result_len];
//result[0] = (byte)residues;
byte[] plain = new byte[group_len];
byte[] enc = new byte[group_len];
for (int i = 0; i < dlen; i += group_len) {
for (int j = 0; j < group_len; j++) {
plain[j] = data[i + j];
}
enc = t.encrypt_group(plain);
for (int k = 0; k < group_len; k++) {
//result[i + k + 1] = enc[k];
result[i + k ] = enc[k];
}
}
if (residues > 0) {
for (int j = 0; j < residues; j++) {
plain[j] = data[dlen + j];
}
int padding = group_len - residues;
for (int j = 0; j < padding; j++) {
plain[residues + j] = (byte)0x00;
}
enc = t.encrypt_group(plain);
for (int k = 0; k < group_len; k++) {
//result[dlen + k + 1] = enc[k];
result[dlen + k] = enc[k];
}
}
return result;
}
public static byte[] decrypt(byte[] data, byte[] key) {
int group_len = 8;
// if (data.length % group_len != 1) {
// return new byte[] {};
// }
TeaUtils t = new TeaUtils();
if (!t.setKey(key)) {
return new byte[] {};
}
//int data_len = data.length - 1, dlen; // 数据的长度
int data_len = data.length, dlen; // 数据的长度
dlen = data_len;
//int residues = (int)(data[0]); // 余数
// if (residues > 0) {
// dlen = data_len - group_len;
// } else {
// dlen = data_len;
// }
//byte[] result = new byte[dlen + residues];
byte[] result = new byte[dlen];
byte[] dec = new byte[group_len];
byte[] enc = new byte[group_len];
for (int i = 0; i < dlen; i += group_len) {
for (int j = 0; j < group_len; j++) {
//enc[j] = data[i + j + 1];
enc[j] = data[i + j];
}
dec = t.decrypt_group(enc);
for (int k = 0; k < group_len; k++) {
result[i + k] = dec[k];
}
}
// if (residues > 0) {
// for (int j = 0; j < group_len; j++) {
// enc[j] = data[dlen + j + 1];
// }
// dec = t.decrypt_group(enc);
// for (int k = 0; k < residues; k++) {
// result[dlen + k] = dec[k];
// }
// }
return result;
}
/**
* 设置密钥
* @param k 密钥
* @return 密钥长度为16个byte时， 设置密钥并返回true，否则返回false
*/
public boolean setKey(byte[] k) {
if(k==null){
k = Common.TEA_KEY;
}
if (k.length != 16) {
return false;
}
k0 = bytes_to_uint32(new byte[] {k[0], k[1], k[2], k[3]});
k1 = bytes_to_uint32(new byte[] {k[4], k[5], k[6], k[7]});
k2 = bytes_to_uint32(new byte[] {k[8], k[9], k[10], k[11]});
k3 = bytes_to_uint32(new byte[] {k[12], k[13], k[14], k[15]});
return true;
}
/**
* 设置加密的轮数，默认为32轮
* @param loops 加密轮数
* @return 轮数为16、32、64时，返回true，否则返回false
*/
public boolean setLoops(int loops) {
switch (loops) {
case 16:
case 32:
case 64:
this.loops = loops;
return true;
}
return false;
}
private static long UINT32_MAX = 0xFFFFFFFFL;
private static long BYTE_1 = 0xFFL;
private static long BYTE_2 = 0xFF00L;
private static long BYTE_3 = 0xFF0000L;
private static long BYTE_4 = 0xFF000000L;
private static long delta = 0x9E3779B9L;
private static long k0;
private static long k1;
private static long k2;
private static long k3;
private static int loops = 32;
/**
* 加密一组明文
* @param v 需要加密的明文
* @return 返回密文
*/
public static byte[] encrypt_group(byte[] v) {
long v0 = bytes_to_uint32(new byte[] {v[0], v[1], v[2], v[3]});
long v1 = bytes_to_uint32(new byte[] {v[4], v[5], v[6], v[7]});
long sum = 0L;
long v0_xor_1 = 0L, v0_xor_2 = 0L, v0_xor_3 = 0L;
long v1_xor_1 = 0L, v1_xor_2 = 0L, v1_xor_3 = 0L;
for (int i = 0; i < loops; i++) {
sum = toUInt32(sum + delta);
v0_xor_1 = toUInt32(toUInt32(v1 << 4) + k0);
v0_xor_2 = toUInt32(v1 + sum);
v0_xor_3 = toUInt32((v1 >> 5) + k1);
v0 = toUInt32( v0 + toUInt32(v0_xor_1 ^ v0_xor_2 ^ v0_xor_3) );
v1_xor_1 = toUInt32(toUInt32(v0 << 4) + k2);
v1_xor_2 = toUInt32(v0 + sum);
v1_xor_3 = toUInt32((v0 >> 5) + k3);
//System.out.printf("%08X\t%08X\t%08X\t%08X\n", i, v0, v0 >> 5, k3);
v1 = toUInt32( v1 + toUInt32(v1_xor_1 ^ v1_xor_2 ^ v1_xor_3) );
}
byte[] b0 = long_to_bytes(v0, 4);
byte[] b1 = long_to_bytes(v1, 4);
return new byte[] {b0[0], b0[1], b0[2], b0[3], b1[0], b1[1], b1[2], b1[3]};
}
/**
* 解密一组密文
* @param v 要解密的密文
* @return 返回明文
*/
public static byte[] decrypt_group(byte[] v) {
long v0 = bytes_to_uint32(new byte[] {v[0], v[1], v[2], v[3]});
long v1 = bytes_to_uint32(new byte[] {v[4], v[5], v[6], v[7]});
long sum = 0xC6EF3720L, tmp = 0L;
for (int i = 0; i < loops; i++) {
tmp = toUInt32(toUInt32(v0 << 4) + k2);
v1 = toUInt32( v1 - toUInt32(tmp ^ toUInt32(v0 + sum) ^ toUInt32((v0 >> 5) + k3)) );
tmp = toUInt32(toUInt32(v1 << 4) + k0);
v0 = toUInt32( v0 - toUInt32(tmp ^ toUInt32(v1 + sum) ^ toUInt32((v1 >> 5) + k1)) );
sum = toUInt32(sum - delta);
}
byte[] b0 = long_to_bytes(v0, 4);
byte[] b1 = long_to_bytes(v1, 4);
return new byte[] {b0[0], b0[1], b0[2], b0[3], b1[0], b1[1], b1[2], b1[3]};
}
/**
* 将 long 类型的 n 转为 byte 数组，如果 len 为 4，则只返回低32位的4个byte
* @param n 需要转换的long
* @param len 若为4，则只返回低32位的4个byte，否则返回8个byte
* @return 转换后byte数组
*/
private static byte[] long_to_bytes(long n, int len) {
byte a = (byte)((n & BYTE_4) >> 24);
byte b = (byte)((n & BYTE_3) >> 16);
byte c = (byte)((n & BYTE_2) >> 8);
byte d = (byte)(n & BYTE_1);
if (len == 4) {
return new byte[] {a, b, c, d};
}
byte ha = (byte)(n >> 56);
byte hb = (byte)((n >> 48) & BYTE_1);
byte hc = (byte)((n >> 40) & BYTE_1);
byte hd = (byte)((n >> 32) & BYTE_1);
return new byte[] {ha, hb, hc, hd, a, b, c, d};
}
/**
* 将4个byte转为 Unsigned Integer 32，以 long 形式返回
* @param bs 需要转换的字节
* @return 返回 long，高32位为0，低32位视为Unsigned Integer
*/
private static long bytes_to_uint32(byte[] bs) {
return ((bs[0]<<24) & BYTE_4) +
((bs[1]<<16) & BYTE_3) +
((bs[2]<<8) & BYTE_2) +
(bs[3] & BYTE_1);
}
/**
* 将long的高32位清除，只保留低32位，低32位视为Unsigned Integer
* @param n 需要清除的long
* @return 返回高32位全为0的long
*/
private static long toUInt32(long n) {
return n & UINT32_MAX;
}
public static void main(String args[]) throws UnsupportedEncodingException
{
TeaUtils t = new TeaUtils();
t.setKey(Common.TEA_KEY);
byte[] old = new byte[]{(byte)0x01,(byte)0x16,(byte)0xA4,(byte)0x28,
(byte)0x32,(byte)0x18,(byte)0x4A,(byte)0x88,
(byte)0x00,(byte)0x00 ,(byte)0x00 ,(byte)0x00,
(byte)0x00 ,(byte)0x00 ,(byte)0x42 ,(byte)0x4D,
(byte)0x10 ,(byte)0x01,(byte)0x0A ,(byte)0x00,
(byte)0x13 ,(byte)0x05 ,(byte)0x07 ,(byte)0xC8};
/*byte[] old = new byte[] {
0x00, 0x00, 0x00, 0x20,
0x00, 0x00, 0x00, 0x10
};*/
byte[] enc = t.encrypt(old,Common.TEA_KEY);
System.out.println( "tea加密：");
for(byte i : enc)
System.out.print(i + " ");
System.out.println();
byte[] dec = t.decrypt(enc,Common.TEA_KEY);
System.out.println( "tea解密：");
for(byte i : dec)
System.out.print(i + " ");
System.out.println();
}
}

+ 80
- 0
utils/WeightUnitUtils.java Ver arquivo

package com.inet.ailink.receiver.common.utils;

import java.io.IOException;
import java.math.BigDecimal;

public class WeightUnitUtils {
public static void main(String arg[]) throws IOException{
// System.out.println("100kg="+getKg(100,0,0)+"kg");//100kg
// System.out.println("10kg="+getKg(100,0,1)+"kg");//10kg
// System.out.println("1kg="+getKg(100,0,2)+"kg");//1kg
// System.out.println("100.1kg="+getKg(1001,0,1)+"kg");//1kg
// System.out.println("100.5kg="+getKg(1005,0,1)+"kg");//1kg
// System.out.println("100.6kg="+getKg(1006,0,1)+"kg");//1kg
// System.out.println("100.8kg="+getKg(1008,0,1)+"kg");//1kg
// System.out.println("100.11kg="+getKg(10011,0,2)+"kg");//1kg
// System.out.println("100.55kg="+getKg(10055,0,2)+"kg");//1kg
// System.out.println("100.66kg="+getKg(10066,0,2)+"kg");//1kg
// System.out.println("100.88kg="+getKg(10088,0,2)+"kg");//1kg
// System.out.println("100lb="+getKg(100,6,0)+"kg");//100kg
// System.out.println("10lb="+getKg(100,6,1)+"kg");//10kg
// System.out.println("1lb="+getKg(100,6,2)+"kg");//1kg
// System.out.println("100.1lb="+getKg(1001,6,1)+"kg");//1kg
// System.out.println("100.5lb="+getKg(1005,6,1)+"kg");//1kg
// System.out.println("100.6lb="+getKg(1006,6,1)+"kg");//1kg
// System.out.println("100.8lb="+getKg(1008,6,1)+"kg");//1kg
// System.out.println("100.11lb="+getKg(10011,6,2)+"kg");//1kg
// System.out.println("100.55lb="+getKg(10055,6,2)+"kg");//1kg
// System.out.println("100.66lb="+getKg(10066,6,2)+"kg");//1kg
// System.out.println("100.88lb="+getKg(10088,6,2)+"kg");//1kg
// System.out.println("100st="+getKg(100,4,0)+"kg");//100kg
// System.out.println("10st="+getKg(100,4,1)+"kg");//10kg
// System.out.println("1st="+getKg(100,4,2)+"kg");//1kg
// System.out.println("100.1st="+getKg(1001,4,1)+"kg");//1kg
// System.out.println("100.5st="+getKg(1005,4,1)+"kg");//1kg
// System.out.println("100.6st="+getKg(1006,4,1)+"kg");//1kg
// System.out.println("100.8st="+getKg(1008,4,1)+"kg");//1kg
// System.out.println("100.11st="+getKg(10011,4,2)+"kg");//1kg
// System.out.println("100.55st="+getKg(10055,4,2)+"kg");//1kg
// System.out.println("100.66st="+getKg(10066,4,2)+"kg");//1kg
// System.out.println("100.88st="+getKg(10088,4,2)+"kg");//1kg
}
public static BigDecimal getKg(BigDecimal weight, int weightUnit,int weightPoint){
BigDecimal result = BigDecimal.ZERO;
//小数位转换
if(weightPoint == 0){
result = weight;
}else{
result = weight;
for(int i=0;i<weightPoint;i++){
result = result.divide(new BigDecimal(10));
}
}
//单位转化为千克
switch (weightUnit) {
case 0://千克，不需要转换
break;
case 1://斤->千克
result = result.multiply(new BigDecimal(2));
break;
case 4://st->千克
//st先转成lb，在转成千克
result = result.multiply(new BigDecimal(14.0f));//st->lb
result = result.divide(new BigDecimal(2.2046226f),7, BigDecimal.ROUND_HALF_UP);//lb->kg
break;
case 6://lb->kg
result = result.divide(new BigDecimal(2.2046226f),7, BigDecimal.ROUND_HALF_UP);
break;
default:
break;
}
//保留2位小数
result = result.setScale(2, BigDecimal.ROUND_HALF_UP);
return result;
}
}

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