<?php
namespace app\index\controller;
use think\Controller;


/**
 * 微信功能开发
 */
class Wxopera extends Wechat
{
　　　　
    protected  $APPID = 'xxxxxxxxxxxxxxx';
    protected  $APPSECRET = 'xxxxxxxxxxxxxxx';

    /**
    * curl请求 
    */
    public function http_curl($url, $type = 'get', $res = 'json', $arr = ''){
        
      $cl = curl_init();
      curl_setopt($cl, CURLOPT_URL, $url);
      curl_setopt($cl, CURLOPT_RETURNTRANSFER, 1);
      curl_setopt($cl, CURLOPT_SSL_VERIFYPEER, false);
      curl_setopt($cl, CURLOPT_SSL_VERIFYHOST, false);
      if($type == 'post'){
        curl_setopt($cl, CURLOPT_POST, 1);
        curl_setopt($cl, CURLOPT_POSTFIELDS, $arr);
      }
      $output = curl_exec($cl);
      curl_close($cl);
      return json_decode($output, true);
      if($res == 'json'){
        if( curl_error($cl)){
          return curl_error($cl);
        }else{
          return json_decode($output, true);
        }
      }
    }

    /**
     * 网页授权
     */
     public function shouquan(){
         
         $APPID = $this->APPID;
         // 编码
         $redirect = urlencode("http://test.zizhuyou.site/index/Wxopera/callback");
        
        // 调起微信授权提示
         $url = "https://open.weixin.qq.com/connect/oauth2/authorize?app>;
        // 跳转授权页面
        $this->redirect($url);
     
     }
     
     /**
     * 网页授权的回调
     */
     public function callback(){
         
         $APPID = $this->APPID;
         $APPSECRET = $this->APPSECRET;
         
         // 一、获取用户授权回调里的code  code只有五分钟有效
        echo "<pre>";
         // 获取当前url的参数部分
         $params = $_SERVER["QUERY_STRING"];    // s=/index/Wxopera/callback&code=code&state=STATE
         // 拆分成数组 得到code
        $arr = explode('&',$params);
        $code = explode('=',$arr[1]);
        $code = $code[1];   
        
        // 二、通过code获取网页授权access_token 有效期7200s,过期需要重新获取，这里暂不处理过期的问题
        $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=$APPID&secret=$APPSECRET&code=$code&grant_type=authorization_code";
         $res = $this->http_curl($url);
     
         // 三、获取用户信息
         $url2 = "https://api.weixin.qq.com/sns/userinfo?access_token=".$res['access_token']."&open>;
         
         $userinfo = $this->http_curl($url2);
         
         print_r($userinfo);
     }
    

}