摘要：配置開始微信公眾平臺開發基本配置微信公眾平臺開發基本配置配置結束獲取用戶獲取獲取失敗獲取用戶信息微信獲取用戶信息你的基本信息如下昵稱頭像性別男性女性未知省份城市微信支付申請對應的公眾號的微信支付申請對

開發->基本配置->AppID
$appKey = "";   //微信公眾平臺->開發->基本配置->AppSecret
/* 配置結束 */

//①、獲取用戶openid
$wxPay = new WxService($appid,$appKey);
$data = $wxPay->GetOpenid();      //獲取openid
if(!$data["openid"]) exit("獲取openid失敗");
//②、獲取用戶信息
$user = $wxPay->getUserInfo($data["openid"],$data["access_token"]);
?>



    
    
    
    
    
    
    



    

        
你的基本信息如下：
        

            

                
openid
                

            
            

                
unionid
                

            
            

                
昵稱
                

            
            

                
頭像
                
" style="width: 100px;" alt="">
            
               
            

                
性別
                

            
            

                
省份 / 城市
                

            
            

                
language
                

            
        
    



appid = $appid; //微信支付申請對應的公眾號的APPID
        $this->appKey = $appKey; //微信支付申請對應的公眾號的APP Key
    }

    /**
     * 通過跳轉獲取用戶的openid，跳轉流程如下：
     * 1、設置自己需要調回的url及其其他參數，跳轉到微信服務器https://open.weixin.qq.com/connect/oauth2/authorize
     * 2、微信服務處理完成之后會跳轉回用戶redirect_uri地址，此時會帶上一些參數，如：code
     *
     * @return 用戶的openid
     */
    public function GetOpenid()
    {
        //通過code獲得openid
        if (!isset($_GET["code"])){
            //觸發微信返回code碼
            $baseUrl = $this->getCurrentUrl();
            $url = $this->__CreateOauthUrlForCode($baseUrl);
            Header("Location: $url");
            exit();
        } else {
            //獲取code碼，以獲取openid
            $code = $_GET["code"];
            $openid = $this->getOpenidFromMp($code);
            return $openid;
        }
    }

    public function getCurrentUrl()
    {
        $scheme = $_SERVER["HTTPS"]=="on" ? "https://" : "http://";
        $uri = $_SERVER["PHP_SELF"].$_SERVER["QUERY_STRING"];
        if($_SERVER["REQUEST_URI"]) $uri = $_SERVER["REQUEST_URI"];
        $baseUrl = urlencode($scheme.$_SERVER["HTTP_HOST"].$uri);
        return $baseUrl;
    }

    /**
     * 通過code從工作平臺獲取openid機器access_token
     * @param string $code 微信跳轉回來帶上的code
     * @return openid
     */
    public function GetOpenidFromMp($code)
    {
        $url = $this->__CreateOauthUrlForOpenid($code);        
        $res = self::curlGet($url);
        $data = json_decode($res,true);
        $this->data = $data;
        return $data;
    }

    /**
     * 構造獲取open和access_toke的url地址
     * @param string $code，微信跳轉帶回的code
     * @return 請求的url
     */
    private function __CreateOauthUrlForOpenid($code)
    {
        $urlObj["appid"] = $this->appid;
        $urlObj["secret"] = $this->appKey;
        $urlObj["code"] = $code;
        $urlObj["grant_type"] = "authorization_code";
        $bizString = $this->ToUrlParams($urlObj);
        return "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString;
    }

    /**
     * 構造獲取code的url連接
     * @param string $redirectUrl 微信服務器回跳的url，需要url編碼
     * @return 返回構造好的url
     */
    private function __CreateOauthUrlForCode($redirectUrl)
    {
        $urlObj["appid"] = $this->appid;
        $urlObj["redirect_uri"] = "$redirectUrl";
        $urlObj["response_type"] = "code";
        $urlObj["scope"] = "snsapi_userinfo";
        $urlObj["state"] = "STATE";
        $bizString = $this->ToUrlParams($urlObj);
        return "https://open.weixin.qq.com/connect/oauth2/authorize?".$bizString;
    }

    /**
     * 拼接簽名字符串
     * @param array $urlObj
     * @return 返回已經拼接好的字符串
     */
    private function ToUrlParams($urlObj)
    {
        $buff = "";
        foreach ($urlObj as $k => $v)
        {
            if($k != "sign") $buff .= $k . "=" . $v . "&";
        }
        $buff = trim($buff, "&");
        return $buff;
    }

    /**
     * 獲取用戶信息
     * @param string $openid 調用【網頁授權獲取用戶信息】接口獲取到用戶在該公眾號下的Openid
     * @return string
     */
    public function getUserInfo($openid,$access_token)
    {

        $response = self::curlGet("https://api.weixin.qq.com/sns/userinfo?access_token=".$access_token."&openid=".$openid."&lang=zh_CN");
        return json_decode($response,true);
        
    }

    public static function curlGet($url = "", $options = array())
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30);
        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }
        //https請求 不驗證證書和host
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $data = curl_exec($ch);
        curl_close($ch);
        return $data;
    }

    public static function curlPost($url = "", $postData = "", $options = array())
    {
        if (is_array($postData)) {
            $postData = http_build_query($postData);
        }
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); //設置cURL允許執行的最長秒數
        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }
        //https請求 不驗證證書和host
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $data = curl_exec($ch);
        curl_close($ch);
        return $data;
    }

}

DEMO：

http://likeyunba.com
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2019-1-21