微信JSAPI Ticket接口签名详解

本文实例为大家分享了微信JS接口签名的具体代码，供大家参考，具体内容如下1、微信JS接

本文实例为大家分享了微信JS接口签名的具体代码，供大家参考，具体内容如下

1、微信 JS 接口签名校验工具

2、具体开发

2.1 获取access_token，然后jsapi_ticket

/**
 * 获取access_token，然后jsapi_ticket
 */
 private String getAccessToken_ticket(String path) {
 String access_token = null; // access_token
 String atime = null;// 获取时间
 String a_expires_in = null;// 有效时间(s)
 String ticket = null;// jsapi_ticket
 String ttime = null;// 得到时间
 String t_expires_in = null;// 有效时间(s)
 String access_tokenStr = TUtils.getAccessToken(APPID,
 API_KEY);
 if (access_tokenStr != null
 && access_tokenStr.indexOf("access_token") != -1) {
 try {
 JSONObject jsonObject = new JSONObject(access_tokenStr);
 access_token = jsonObject.getString("access_token");
 a_expires_in = jsonObject.getString("expires_in");
 atime = getCurrentDateStr();
 } catch (JSONException e) {
 // e.printStackTrace();
 }
 }
 if (access_token != null && !access_token.equals("")) {
 String ticketStr = TicketUtils.getJSAPITicket(access_token);
 // System.out.println("ticketStr:" + ticketStr);
 if (ticketStr != null && ticketStr.indexOf("ticket") != -1) {
 try {
 JSONObject jsonObject = new JSONObject(ticketStr);
 ticket = jsonObject.getString("ticket");
 t_expires_in = jsonObject.getString("expires_in");
 ttime = getCurrentDateStr();
 } catch (JSONException e) {
 // e.printStackTrace();
 }
 }
 }
 String result = null;
 if (ticket != null && !ticket.equals("")) {
 result = "{\"access_token\":\"" + access_token
 + "\",\"a_expires_in\":\"" + a_expires_in
 + "\",\"atime\":\"" + atime + "\",\"ticket\":\"" + ticket
 + "\",\"t_expires_in\":\"" + t_expires_in
 + "\",\"ttime\":\"" + ttime + "\"}";
 if (MyFileUtils.writeIntoText(path, result)) {
 // System.out.println("写入文件成功");
 // System.out.println(result);
 } else {
 System.out.println("写入微信签名文件失败");
 }
 }
 return result;
 }

public static String getAccessToken(String APPID, String APPSECRET) {

String url = "https://api.weixin.qq.com/cgi-bin/token";
 String params = "grant_type=client_credential&appid=" + APPID
 + "&secret=" + APPSECRET;
String resultStr = HttpRequest.sendGet(url, params);
// sendGet：用get方法获取数据 ,具体请参考之间的关于微信的文章 http://www.cnblogs.com/jiduoduo/p/5749363.html

return resultStr;

}


/**
 * 根据access_token获取ticket { "errcode":0, "errmsg":"ok", "ticket":
 * "bxLdikRXVbTPdHSM05e5u5sUoXNKd8-41ZO3MhKoyN5OfkWITDGgnr2fwJ0m9E8NYzWKVZvdVtaUgWvsdshFKA"
 * , "expires_in":7200 }
 * 
 * @param access_token
 * @return
 */
 public static String getJSAPITicket(String access_token) {
 String url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket";
 String params = "type=jsapi&access_token=" + access_token;
 String resultStr = HttpRequest.sendGet(url, params);

 return resultStr;
 }

2.2具体生成签名signature

public String Wx_Signature() {
 String path = ServletActionContext.getServletContext().getRealPath(
 "/wx/");
 // System.out.println(path);
 try {
 String tokenJSON = MyFileUtils.readText(path);
 // String access_token = null; // access_token
 String atime = null;// 获取时间
 String a_expires_in = null;// 有效时间(s)
 String ticket = null;// jsapi_ticket
 // String ttime = null;// 得到时间
 // String t_expires_in = null;// 有效时间(s)
 String result = tokenJSON;
 if (result == null || result.equals("")) {
 tokenJSON = getAccessToken_ticket(path);
 }
 // System.out.println(result);
 if (tokenJSON != null && !tokenJSON.equals("")
 && tokenJSON.indexOf("access_token") != -1) {
 try {
 JSONObject jsonObject = new JSONObject(tokenJSON);
 // access_token = jsonObject.getString("access_token");//
 // access_token
 atime = jsonObject.getString("atime");// 开始时间
 a_expires_in = jsonObject.getString("a_expires_in");// 有效时间
 ticket = jsonObject.getString("ticket");// jsapi_ticket
 // System.out.println(ticket);
 // ttime = jsonObject.getString("ttime");// 开始时间
 // t_expires_in = jsonObject.getString("t_expires_in");//
 // 有效时间
 String t1 = getCurrentDateStr();
 String t2 = atime;
 // System.out.println(atime);
 // System.out.println(a_expires_in);
 // System.out.println(TimeInterval.getInterval(t2, t1));
 long end_time = Long.parseLong(a_expires_in) - 60;
 if (TimeInterval.getInterval(t2, t1) > end_time) {
 ticket = getAccessToken_ticket(path);
 }
 } catch (JSONException e) {
 msg = e.getMessage();
 }
 } else {

 }
 // System.out.println(ticket);
 String url = getParameter("url");
 String noncestr = TUtils.getRandomString(16);
 String timestamp = System.currentTimeMillis() + "";
 timestamp = timestamp.substring(0, 10);
 String data = "jsapi_ticket=" + ticket + "&noncestr=" + noncestr
 + "×tamp=" + timestamp + "&url=" + url;
 String digest = new SHA1().getDigestOfString(data.getBytes());
 String signature = digest.toLowerCase();// signature
 result = "{\"noncestr\":\"" + noncestr + "\",\"timestamp\":\""
 + timestamp + "\",\"url\":\"" + url + "\",\"signature\":\""
 + signature + "\" ,\"ticket\":\"" + ticket + "\"}";
　　　　　　　　msg = result;
 } catch (IOException e) {
 msg = e.getMessage();
 }
 return msg 
 }

说明：签名是有调用次数，需要将其cache到服务器的文件中。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。