laravel和tp5使用模型进行操作添加的不同

/*
author:咔咔
address:陕西西安
wechat:fangkangfk
*/
        $user = new user();
        $user-> user_name = 'haha';
        $user-> email = '139739364@qq3com';
        $user-> password = 'fangkang';
        $data = $user->save();

$user = new user();
        $data['user_name'] = 'fangkang';
        $data['email'] = '1397393964@qq.com';
        $data['password'] = 'fang1996l';
        $data = $user->save($data);