1 /**

2 * 获取access_token3 *@paramrequest4 *@paramresponse5 *@throwsException6 */

7 @RequestMapping("/getAccessToken")8 public void getAccessToken(HttpServletRequest request, HttpServletResponse response) throwsException {9 String urlStr = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid="+CORPID+"&corpsecret="+CORPSECRET;10 processUrl(response, urlStr);11 }12

13 /**

14 * 获取jsapi_ticket15 *@paramrequest16 *@paramresponse17 *@throwsException18 */

19 @RequestMapping("/getJsapiTicket")20 public void getJsapiTicket(HttpServletRequest request, HttpServletResponse response) throwsException {21 String access_token = request.getParameter("access_token");22 String urlStr = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token="+access_token;23 processUrl(response, urlStr);24 }25

26 /**

27 * 获取签名signature28 *@paramrequest29 *@paramresponse30 *@throwsException31 */

32 @RequestMapping("/getJsSdkSign")33 public void getJsSdkSign(HttpServletRequest request, HttpServletResponse response) throwsException {34 String noncestr = request.getParameter("noncestr");35 String tsapiTicket = request.getParameter("jsapi_ticket");36 String timestamp = request.getParameter("timestamp");37 String url = request.getParameter("url");38 String jsSdkSign =getJsSdkSign(noncestr, tsapiTicket, timestamp, url);39 PrintWriter out =response.getWriter();40 out.print(jsSdkSign);41 }42

43 private voidprocessUrl(HttpServletResponse response, String urlStr) {44 URL url;45 try{46 url = newURL(urlStr);47 URLConnection URLconnection =url.openConnection();48 HttpURLConnection httpConnection =(HttpURLConnection)URLconnection;49 int responseCode =httpConnection.getResponseCode();50 if (responseCode ==HttpURLConnection.HTTP_OK) {51 InputStream urlStream =httpConnection.getInputStream();52 BufferedReader bufferedReader = new BufferedReader(newInputStreamReader(urlStream));53 String sCurrentLine = "";54 String sTotalString = "";55 while ((sCurrentLine = bufferedReader.readLine()) != null) {56 sTotalString +=sCurrentLine;57 }58 PrintWriter out =response.getWriter();59 out.print(sTotalString);60 }else{61 System.err.println("失败");62 }63 } catch(Exception e) {64 e.printStackTrace();65 }66 }67

68 /**

69 * 获得加密后的签名70 *@paramnoncestr71 *@paramtsapiTicket72 *@paramtimestamp73 *@paramurl74 *@return

75 */

76 public staticString getJsSdkSign(String noncestr,String tsapiTicket,String timestamp,String url){77 String content="jsapi_ticket="+tsapiTicket+"&noncestr="+noncestr+"&timestamp="+timestamp+"&url="+url;78 String ciphertext=getSha1(content);79

80 returnciphertext;81 }82

83 /**

84 * 进行sha1加密85 *@paramstr86 *@return

87 */

88 public staticString getSha1(String str){89 if(str==null||str.length()==0){90 return null;91 }92 char hexDigits[] = {'0','1','2','3','4','5','6','7','8','9',93 'a','b','c','d','e','f'};94 try{95 MessageDigest mdTemp = MessageDigest.getInstance("SHA1");96 mdTemp.update(str.getBytes("UTF-8"));97

98 byte[] md =mdTemp.digest();99 int j =md.length;100 char buf[] = new char[j*2];101 int k = 0;102 for (int i = 0; i < j; i++) {103 byte byte0 =md[i];104 buf[k++] = hexDigits[byte0 >>> 4 & 0xf];105 buf[k++] = hexDigits[byte0 & 0xf];106 }107 return newString(buf);108 } catch(Exception e) {109 //TODO: handle exception

110 return null;111 }112 }113

114 /**

115 * 获得随机串116 *@return

117 */

118 public staticString create_noncestr() {119 returnUUID.randomUUID().toString();120 }