Java Http接口加签、验签操作方法

package com.pcmall;import java.io.BufferedReader;					import java.io.DataOutputStream;					import java.io.IOException;					import java.io.InputStreamReader;					import java.io.UnsupportedEncodingException;					import java.net.HttpURLConnection;					import java.net.URL;					import java.net.URLEncoder;					import java.security.MessageDigest;					import java.security.NoSuchAlgorithmException;					import java.util.ArrayList;					import java.util.Collections;					import java.util.Iterator;					import java.util.List;					import java.util.Map;					import java.util.TreeMap;					public class APITest {					  static String TEST_URL = "待定";					  static String TEST_KEY = "待定";					  static String TEST_SEC = "待定";					  					  public static void main(String[] args) throws UnsupportedEncodingException, NoSuchAlgorithmException {					    String result = getResult(TEST_URL, getReqParam());					    System.out.print(result);					  }										  private static String getReqParam() throws UnsupportedEncodingException, NoSuchAlgorithmException {					  	TreeMap<String, String> req = new TreeMap<String, String>();			    req.put("a", TEST_KEY);					    req.put("f", "json");					    req.put("l", "zh_CN");					    req.put("m", "zhongan.repair.query");					    req.put("v", "1.0");					    req.put("i", "" + System.currentTimeMillis() / 1000);					    req.put("params", "{/"assignNo/":/"TEST018/"}");					    req.put("s", sign(req, null, TEST_SEC));					    					    StringBuilder param = new StringBuilder();					    for (Iterator<Map.Entry<String, String>> it = req.entrySet().iterator(); it.hasNext();) {					      Map.Entry<String, String> e = it.next();					      param.append("&").append(e.getKey()).append("=").append(URLEncoder.encode(e.getValue(), "UTF-8"));					    }					    					    return param.toString().substring(1);					  }					  					  private static String sign(Map<String, String> paramValues, List<String> ignoreParamNames, String secret) throws NoSuchAlgorithmException, UnsupportedEncodingException {					    StringBuilder sb = new StringBuilder();					    List<String> paramNames = new ArrayList<String>(paramValues.size());					    paramNames.addAll(paramValues.keySet());					    if (ignoreParamNames != null && ignoreParamNames.size() > 0) {					      for (String ignoreParamName : ignoreParamNames) {					        paramNames.remove(ignoreParamName);					      }					    }					    Collections.sort(paramNames);					    					    sb.append(secret);					    for (String paramName : paramNames) {					      sb.append(paramName).append(paramValues.get(paramName));					    }					    sb.append(secret);										    MessageDigest md = MessageDigest.getInstance("SHA-1");					    return byte2hex(md.digest(sb.toString().getBytes("UTF-8")));					  }					  					  private static String byte2hex(byte[] bytes) {					    StringBuilder sign = new StringBuilder();					    for (int i = 0; i < bytes.length; i++) {					      String hex = Integer.toHexString(bytes[i] & 0xFF);					      if (hex.length() == 1) {					        sign.append("0");					      }					      sign.append(hex.toUpperCase());					    }					    return sign.toString();					  }					  					  private static String getResult(String urlStr, String content) {					    URL url = null;					    HttpURLConnection connection = null;					    try {					      url = new URL(urlStr);					      connection = (HttpURLConnection) url.openConnection();					      connection.setDoOutput(true);					      connection.setDoInput(true);					      connection.setRequestMethod("POST");					      connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");					      connection.setUseCaches(false);					      connection.connect();					      					      DataOutputStream out = new DataOutputStream(connection.getOutputStream());					      out.write(content.getBytes("UTF-8"));					      out.flush();					      out.close();					      					      BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));					      StringBuffer buffer = new StringBuffer();					      String line = "";					      while ((line = reader.readLine()) != null) {					        buffer.append(line);					      }					      reader.close();										      return buffer.toString();					    } catch (IOException e) {					      e.printStackTrace();					    } finally {					      if (connection != null) {					        connection.disconnect();					      }					    }					    					    return null;					  }	    }

@RequestMapping("/repairTakeOrder")	@ResponseBody	public ResponseVO repairTakeOrder(@RequestBody String jsonStr) {		logger.info("repairTakeOrder入参：" + jsonStr);		ResponseVO responseVO = null;		try {			RepairOrder repairOrder = JackJsonUtil.toBean(jsonStr,					RepairOrder.class);			TreeMap<String, String> paramsMap = new TreeMap<String, String>();			paramsMap.put("gsxx01", repairOrder.getGsxx01());			paramsMap.put("orderType", repairOrder.getOrderType().toString());			paramsMap.put("serviceNo", repairOrder.getServiceNo());			paramsMap.put("vipCard", repairOrder.getVipCard());			paramsMap.put("customerName", repairOrder.getCustomerName());			paramsMap.put("customerPhone", repairOrder.getCustomerPhone());			paramsMap.put("customerTel", repairOrder.getCustomerTel());			paramsMap.put("province", repairOrder.getProvince());			paramsMap.put("city", repairOrder.getCity());			paramsMap.put("county", repairOrder.getCounty());			paramsMap.put("address", repairOrder.getAddress());			paramsMap.put("salerCode", repairOrder.getSalerCode());			paramsMap.put("salerName", repairOrder.getSalerName());			paramsMap.put("storeCode", repairOrder.getStoreCode());			paramsMap.put("storeName", repairOrder.getStoreName());			paramsMap.put("site", repairOrder.getSite());			paramsMap.put("siteDesp", repairOrder.getSiteDesp());			paramsMap.put("engineerCode", repairOrder.getEngineerCode());			paramsMap.put("engineerName", repairOrder.getEngineerName());			if (repairOrder.getServiceDate() != null) {				paramsMap.put("serviceDate",						DateUtils.formatDate(repairOrder.getServiceDate()));			}			if (repairOrder.getSalePrice() != null) {				paramsMap.put("salePrice", repairOrder.getSalePrice()						.toString());			}			paramsMap.put("profitCenter", repairOrder.getProfitCenter());			paramsMap.put("costCenter", repairOrder.getCostCenter());			paramsMap.put("gsxx02", repairOrder.getGsxx02());			paramsMap.put("returnReason", repairOrder.getReturnReason());			if (repairOrder.getOriOrder() != null) {				paramsMap.put("oriOrder", repairOrder.getOriOrder().toString());			}			if (repairOrder.getOriServiceNo() != null) {				paramsMap.put("oriServiceNo", repairOrder.getOriServiceNo());			}			// 拼接签名原串(a=1&b=2)			String paramSrc = RequestUtils.getParamSrc(paramsMap);			logger.info("签名原串：" + paramSrc);			//进行验签操作			if (SignUtils.verifymd5(paramSrc, repairOrder.getSign())) {				//处理业务逻辑				responseVO=erpServiceImpl.repairTakeOrder(repairOrder);							} else {				responseVO = new ResponseVO();				responseVO.setSuccess(false);				responseVO.setErrorMsg("验签失败");			}		} catch (Exception e) {			logger.error("", e);			responseVO = new ResponseVO();			responseVO.setSuccess(false);			responseVO.setErrorMsg(StringUtils.isNotBlank(e.getMessage()) ? e.getMessage() : "后台异常");		}		return responseVO;	}