微信jsapi开发获取jsapi_ticket的示例

wx.config({

debug: true, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。

appId: '', // 必填，公众号的唯一标识

timestamp: , // 必填，生成签名的时间戳

nonceStr: '', // 必填，生成签名的随机串

signature: '',// 必填，签名，见附录1

jsApiList: [] // 必填，需要使用的JS接口列表，所有JS接口列表见附录2

});

package com.test.util;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLConnection;

import net.sf.json.JSONObject;

import com.test.weixin.TestAcessToken;

public class JsapiTicketUtil {

/***

* 模拟get请求

* @param url

* @param charset

* @param timeout

* @return

*/

public static String sendGet(String url, String charset, int timeout)

{

String result = "";

try

{

URL u = new URL(url);

try

{

URLConnection conn = u.openConnection();

conn.connect();

conn.setConnectTimeout(timeout);

BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), charset));

String line="";

while ((line = in.readLine()) != null)

{

result = result + line;

}

in.close();

} catch (IOException e) {

return result;

}

}

catch (MalformedURLException e)

{

return result;

}

return result;

}

/***

* 获取acess_token

*/

public static String getAccessToken(){

String appid="你公众号基本设置里的应用id";//应用ID

String appSecret="你公众号基本设置里的应用密钥";//(应用密钥)

String url ="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+appid+"&secret="+appSecret+"";

String backData=TestAcessToken.sendGet(url, "utf-8", 10000);

String accessToken = (String) JSONObject.fromObject(backData).get("access_token");

return accessToken;

}

/***

* 获取jsapiTicket

* 来源 www.vxzsk.com

* @return

*/

public static String getJSApiTicket(){

//获取token

String acess_token= JsapiTicketUtil.getAccessToken();

String urlStr = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="+acess_token+"&type=jsapi";

String backData=TestAcessToken.sendGet(urlStr, "utf-8", 10000);

String ticket = (String) JSONObject.fromObject(backData).get("ticket");

return  ticket;

}

public static void main(String[] args) {

String jsapiTicket = JsapiTicketUtil.getJSApiTicket();

System.out.println("调用微信jsapi的凭证票为："+jsapiTicket);

}

}