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来源：互联网发布：三国杀风火林山淘宝编辑：程序博客网时间：2024/04/29 07:41
<?php//处理并返回微信用户信息类class wx{    //配置APP参数    private $appid         = '';    private $secret        = '';    private $re_url        = '';    private $state         = 'state';    private $access_token  = '';    private $openid        = '';      public function __construct()    {    }      public function get_code()    {        $this->get_state();        $url = 'https://open.weixin.qq.com/connect/qrconnect?appid='.$this->appid.'&redirect_uri='.urlencode($this->re_url).'&response_type=code&scope=snsapi_login&state='.$_SESSION[$this->state].'#wechat_redirect';        header('Location: '.$url);    }      public function get_info($code,$state){        $this->get_access_token($code,$state);        $userinfo = $this->get_user_info();        return  $userinfo;    }      /**         * [get_access_token 获取access_token]         * @param [string] $code [登陆后返回的$_GET['code']]         * @return [array] [expires_in 为有效时间 , access_token 为授权码 ; 失败返回 error , error_description ]         */    public function get_access_token($code,$state)    {          //$this->is_state($state);        //获取access_token        $token_url           = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$this->appid.'&secret='.$this->secret.'&code='.$code.'&grant_type=authorization_code';        $result              = json_decode($this->_curl_get_content($token_url),true);        $this->access_token  = $result['access_token'];        $this->openid        = $result['openid'];    }        /**         * [get_user_info 获取用户信息]         * @param [string] $token [授权码]         * @param [string] $openid [用户唯一ID]         * @return [array] [ret：返回码，为0时成功。msg为错误信息,正确返回时为空。...params]         */    public function get_user_info()    {          $url              = 'https://api.weixin.qq.com/sns/userinfo?access_token='.$this->access_token.'&openid='.$this->openid;        $info             = json_decode($this->_curl_get_content($url), TRUE);        $info1['name']    = $info['nickname'];        $info1['sex']     = $info['sex'];        $info1['img']     = $info['headimgurl'];        $info1['openid']  = $info['openid'];        $info1['unid']    = $info['unionid'];          return $info1;    }      private function _curl_get_content($url)    {        $ch = curl_init();        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);        curl_setopt($ch, CURLOPT_URL, $url);        //设置超时时间为3s        curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, 3);        $result = curl_exec($ch);        curl_close($ch);        return $result;    }      //生成随机参数    private function get_state() {        $str               = str_shuffle('qazxswedcvfrtgbnhyujmkiol123456789') . time();        $_SESSION['state'] = md5(md5($str));    }      //判断随机数    private function is_state($state) {        if($state!==$_SESSION[$this->state]){           exit('随机数检验失败，疑似csrf攻击');        }    }}
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