介绍 package com.fengdi.lianmeng.task;
import com.fengdi.lianmeng.common.CacheHelper;
import com.fengdi.lianmeng.util.http.HttpRequest;
import com.fengdi.lianmeng.util.tencent.CloudSignHelper;
import com.fengdi.lianmeng.util.tencent.Interface;
import net.sf.json.JSONObject;
import org.quartz.JobExecutionContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;/* *
,*定时获取微信accessToken
,*/public class GetWeiXinAccessTokenTask {
,private static Logger Logger =, LoggerFactory.getLogger (GetWeiXinAccessTokenTask.class);/* *
90年,*每分钟,获取一次微信accessToken
,*/,public void getWeiXinAccessToken (JobExecutionContext 上下文){
,尝试{
logger.info才能(“获取微信定时AccessToken任务启动了“);//封才能装请求数据
String 才能;params =,“grant_type=client_credential", +,
“才能和秘密=?+,CloudSignHelper.wxspSecret +,//小程序的,app_secret (在微信小程序管理后台获取)
“,才能appid=?, CloudSignHelper.appid;//小程序唯一标识appid (在微信小程序管理后台获取)//发才能送得到请求
String 才能;result =, HttpRequest.sendGet (“https://api.weixin.qq.com/cgi-bin/token",, params);//,才能解析相应内容(转换成json对象)
JSONObject 才能;JSONObject =, JSONObject.fromObject(结果);
String 才能;accessToken =,(字符串),jsonObject.get (“access_token");
CacheHelper.put才能(“wxAccessToken",, accessToken);//将accessToken放入缓存,用的时候取就行
logger.info才能(“获取微信定时AccessToken任务结束了“);
,}捕捉(Exception 交货){
logger.error才能(“获取微信定时AccessToken任务失败干净,,,交货);
,}
,}
} public static String sendGet (String url, String 参数),{
,,,String result =,““
,,,BufferedReader 拷贝=,空;
,,,try {
,,,,,String urlNameString =, url +,“?“, +,参数;
,,,,,URL realUrl =, new URL (urlNameString);
,,,,,//,打开和URL之间的连接
,,,,,URLConnection connection =, realUrl.openConnection ();
,,,,,//,设置通用的请求属性
,,,,,connection.setRequestProperty (“accept",,“*/*“);
,,,,,connection.setRequestProperty (“connection",,“Keep-Alive");
,,,,,connection.setRequestProperty (“user-agent",,“Mozilla/4.0,(兼容;,MSIE 6.0;, Windows NT 5.1; SV1)“);
,,,,,//,建立实际的连接
,,,,,connection.connect ();
,,,,,//,获取所有响应头字段
,,,,,Map<字符串,List祝辞,map =, connection.getHeaderFields ();
,,,,,//,遍历所有的响应头字段
,,,,,for (String key : map.keySet ()), {
,,,,,,,System.out.println(时间+ key “——→“, +, map.get(关键));
,,,,,}
,,,,,//,定义,BufferedReader输入流来读取URL的响应
,,,,,=,拷贝new BufferedReader (new InputStreamReader (connection.getInputStream ()));
,,,,,String 行;
,,,,,while ((=line in.readLine ()), !=, null), {
,,,,,,,result +=,行;
,,,,,}
,,,},catch (Exception e), {
,,,,,System.out.println(“发送得到请求出现异常!“,+,e);
,,,,,e.printStackTrace ();
,,,}
,,,//,使用最后块来关闭输入流
,,,finally {
,,,,,try {
,,,,,,,if (拷贝!=,null), {
,,,,,,,,,in.close ();
,,,,,,,}
,,,,,},catch (Exception e2), {
,,,,,,,e2.printStackTrace ();
,,,,,}
,,,}
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今天就跟大家聊聊有关如何在java项目中获取微信accessToken,可能很多人都不太了解,为了让大家更加了解,小编给大家总结了以下内容,希望大家根据这篇文章可以有所收获。
具体内容如下
得到请求
