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;

/**
 * 定時獲取微信accessToken
 */

public class GetWeiXinAccessTokenTask {

 private static Logger logger = LoggerFactory.getLogger(GetWeiXinAccessTokenTask.class);

 /**
 * 每90分鐘，獲取一次微信accessToken
 */
 public void getWeiXinAccessToken (JobExecutionContext context){
 try{
  logger.info("獲取微信定時AccessToken任務啟動了");

  //封裝請求數(shù)據
  String params = "grant_type=client_credential" + 
  "&secret=" + CloudSignHelper.wxspSecret + //小程序的 app_secret (在微信小程序管理后臺獲取)
  "&appid="+ CloudSignHelper.appid;//小程序唯一標識appid (在微信小程序管理后臺獲取)
  //發(fā)送GET請求
  String result = HttpRequest.sendGet("https://api.weixin.qq.com/cgi-bin/token", params);
  // 解析相應內容（轉換成json對象）
  JSONObject jsonObject = JSONObject.fromObject(result);
  String accessToken = (String) jsonObject.get("access_token");

  CacheHelper.put("wxAccessToken", accessToken);//將accessToken放入緩存，用的時候取就行
  logger.info("獲取微信定時AccessToken任務結束了");
 }catch(Exception ex){
  logger.error("獲取微信定時AccessToken任務失敗." , ex);
 }
 }
}

public static String sendGet(String url, String param) {
    String result = "";
    BufferedReader in = null;
    try {
      String urlNameString = url + "?" + param;
      URL realUrl = new URL(urlNameString);
      // 打開和URL之間的連接
      URLConnection connection = realUrl.openConnection();
      // 設置通用的請求屬性
      connection.setRequestProperty("accept", "*/*");
      connection.setRequestProperty("connection", "Keep-Alive");
      connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
      // 建立實際的連接
      connection.connect();
      // 獲取所有響應頭字段
      Map<String, List<String>> map = connection.getHeaderFields();
      // 遍歷所有的響應頭字段
      for (String key : map.keySet()) {
        System.out.println(key + "--->" + map.get(key));
      }
      // 定義 BufferedReader輸入流來讀取URL的響應
      in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
      String line;
      while ((line = in.readLine()) != null) {
        result += line;
      }
    } catch (Exception e) {
      System.out.println("發(fā)送GET請求出現(xiàn)異常！" + e);
      e.printStackTrace();
    }
    // 使用finally塊來關閉輸入流
    finally {
      try {
        if (in != null) {
          in.close();
        }
      } catch (Exception e2) {
        e2.printStackTrace();
      }
    }
    return result;
  }