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微信授权登陆获取用户信息

根据微信api和自己实际项目开发;

 1  public function getuserinfo() 2     { 3         if (isset($_GET[‘code‘])) { 4             //获取access_token  openid  refresh_token 5             $url1 = ‘https://api.weixin.qq.com/sns/oauth2/access_token?appid=‘ . $this->appid . ‘&secret=‘ . $this->secret . ‘&code=‘ . $_GET[‘code‘] . ‘&grant_type=authorization_code‘; 6             $result_access_token = $this->http_curl($url1); //主要返回取access_token 和 openid 7             $arr = json_decode($result_access_token, true); //数组 8             //验证access_token是否有效 9             $url_fresh_verification = ‘https://api.weixin.qq.com/sns/auth?access_token=‘ . $arr[‘access_token‘] . ‘&openid=‘ . $arr[‘openid‘] . ‘‘;10             $refresh_token_istrue = $this->http_curl($url_fresh_verification);11             $refresh_token_istrue = json_decode($refresh_token_istrue, true);12             if ($refresh_token_istrue[‘errcode‘] != 0) {13                 //3.0 重新刷新access_token14                 $url_get_new_access_token = ‘https://api.weixin.qq.com/sns/oauth2/refresh_token?appid=wxeb8d4ef8686310eb&grant_type=refresh_token&refresh_token=‘ . $arr[‘refresh_token‘] . ‘‘;15                 $new_access_token = $this->http_curl($url_get_new_access_token);16                 $obj = json_decode($new_access_token);17                 //重新取得access_token18                 $arr[‘access_token‘] = $obj->access_token;19             }20             // 获取用户信息21             if (count($arr) > 2) {22                 $url_userinfo = ‘https://api.weixin.qq.com/sns/userinfo?access_token=‘ . $arr[‘access_token‘] . ‘&openid=‘ . $arr[‘openid‘] . ‘&lang=zh_CN‘;23                 $result_userinfo = $this->http_curl($url_userinfo);24                 //dump(json_decode($result_userinfo,true));25             } else {26                 echo json_encode($arr);27             }28         } else {29             echo "授权失败";30         }31     }

curl会话机制执行url

1 public function http_curl($url){2     $ch=curl_init();//开启会话机制3     curl_setopt($ch,CURLOPT_URL,$url);4     curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); //获取数据返回5     curl_setopt($ch,CURLOPT_BINARYTRANSFER,true); //启用6     $result=curl_exec($ch); //执行7     curl_close($ch); //关闭会话机制8     return json_decode($result,true); //true 返回数组,默认返回对象9 }

 

微信授权登陆获取用户信息