微信H5后台授权登录

野性酷女 2023-03-01 10:06 190阅读 0赞

class Login extends Common { 
        public function login(){ 
            $appid = Config::get('app.appid');
            $secret = Config::get('app.secret');
            $path = input('path');
            $code = input('code');
            if(!$code){ 
                $redirect_uri = urlencode(Config::get('app.url').'/api/login/login?path='.$path);//重定向地址
                $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appid."&redirect_uri=$redirect_uri&response_type=code&scope=snsapi_userinfo&state=1#wechat_redirect";
                header("Location:" . $url);
            }else{ 
                $code = input('code');
                $path = input('path');
                
                $oauth2Url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appid."&secret=".$secret."&code=$code&grant_type=authorization_code";
            
    	        $output = $this->curl_get($oauth2Url);
    	    	
    	        $res = json_decode($output, true);
    	        if($res['openid']){ 
    	        	$access_token = $res['access_token'];
    	        	$openid = $res['openid'];
    	        	$user_info_url = "https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN";
    	        	$user_info = $this->curl_get($user_info_url);
    	        	$user_info = json_decode($user_info,true);
    	        	$user = Huashiusers::where('openid',$openid)->find();
    	        	if(!$user){ 
    	        		$user = new Huashiusers();
    	        		$user->openid = $user_info['openid'];
    	        		$user->create_time = time();
    	        		$user->is_bit = 0;
    	        		$user->huadou = 0;
    	        		$user->money = 0;
    	        		$user->name = $user_info['nickname'];
    	        	}
    	        	$user->nickname = $user_info['nickname'];
    	        	$user->img = $user_info['headimgurl'];
    	        	$user->save();
    	        	$u = Config::get('app.url').$path.'?user_id='.$user['id'].'&openid='.$user['openid'];
    	        	header("Location:" . $u);
    	        }else{ 
    	            return '登陆失败';
    	        }
            }
    
        }
        
        public function curl_get($url)
        { 
            $curl = curl_init();
            $removeBom = function($url) {  return preg_replace('/\\0/', "", $url); };
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($curl,CURLOPT_URL,$removeBom($url));
            curl_setopt($curl,CURLOPT_RETURNTRANSFER, 1);
            $data = curl_exec($curl);
            curl_close($curl);
            return $data;
        }
    }