微信网页授权获取用户基本信息

来源：互联网发布：java输出double类型编辑：程序博客网时间：2024/05/22 06:48

微信网页授权获取用户基本信息

class WeiXin{

   private $appId;
   private $appSecret;
   private $redirect_uri;

   public function __construct($appId, $appSecret, $redirect_uri) {
       $this->appId = $appId;
       $this->appSecret = $appSecret;
       //全地址url
       $this->redirect_uri = $redirect_uri;
   }

   //获取openId
   public function getOpenId(){
       $jsonStr = $this->getInfo();
       $arr = json_decode($jsonStr, true);
       $openid = $arr['openid'];
       return $openid;
   }

   //获取用户信息
   public function getUserInfo(){
       $jsonStr = $this->getInfo();
       $arr = json_decode($jsonStr, true);
       $openid = $arr['openid'];
       $access_token = $arr['access_token'];
       $userinfo_url = 'https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN';
       $info = $this->httpGet($userinfo_url);
       return $info;
   }

   //通过code换取网页授权access_token，openid等信息
   private function getInfo(){
       if($_GET['state'] == 'STATE'){
           $openIdUrl = $this->getOpenidUrl();
           $jsonStr = $this->httpGet($openIdUrl);
           return $jsonStr;
       }else{
           $codeUrl = $this->getCodeUrl();
           header($codeUrl);
           exit;
       }
   }

   //获取codeUrl
   private function getCodeUrl(){
       //$redirect_uri = 'http://'.$_SERVER['HTTP_HOST'].__ROOT__.'/Home/Test/index';
       $codeUrl = 'location:https://open.weixin.qq.com/connect/oauth2/authorize?'.
       'appid='.$this->appId.
       '&redirect_uri='.$this->redirect_uri.
       '&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect';
       return $codeUrl;
   }

   //获取openIdUrl
   private function getOpenidUrl(){
       $code = I('code');
       $openidUrl = 'https://api.weixin.qq.com/sns/oauth2/access_token?'.
       'appid='.$this->appId.
       '&secret='.$this->appSecret.
       '&code='.$code.
       '&grant_type=authorization_code';
       return $openidUrl;
   }

   private function httpGet($url){
       $ch = curl_init();
       curl_setopt($ch, CURLOPT_URL,$url);
       // curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
       curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
       curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
       curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
       curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
       // curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

       $temp = curl_exec($ch);
       curl_close($ch);
       return $temp;
   }
}

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