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;
/***
* @author V型知识库 www.vxzsk.com
*
*/
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
* 来源www.vxzsk.com
* @return
*/
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);
}
}