Laravel5.4模型属性详解

首先以App\User模型为例 1、$table属性 表名，对应数据库中的表名 2、 fillable（ guarded）属性 fillable和 guarded属性都是laravel的批量赋值方法create()的， fillable表示在create()方法中可以被赋值的字段，对应的是 guarded表示在create()方法中不能被赋值的字段 3、$hidden属性 $hidden属性可以隐藏字段，使其不出现在数组或者json格式中。

$user = Auth::user(); dump($user);exit;

输出结果为： #attributes: array:13 [▼ "id" => 1 "name" => "admin" "email" => "" "description" => "超级管理员" "password" => "$2y$10$ib2n.ZbZFvZdt7S8N.9tKuON8QzedokbHOyxMX/7m9Iz66YBCHqyy" "remember_token" => "fTldAutDKCRGRpKvwVtYyDsdi79A1loGlwJBBgHGJSK6ih26pFdo5qvfN8VG" "status" => "NORMAL" "assigned_rate" => 0 "supplier_id" => 0 "agency_id" => 12 "deleted_at" => null "created_at" => "2015-11-02 05:13:17" "updated_at" => "2017-03-24 09:35:05" 转换数组：

$user = Auth::user()->toArray(); dump($user);exit;

结果为：

array:11 [▼ "id" => 1 "name" => "admin" "email" => "" "description" => "超级管理员" "status" => "NORMAL" "assigned_rate" => 0 "supplier_id" => 0 "agency_id" => 12 "deleted_at" => null "created_at" => "2015-11-02 05:13:17" "updated_at" => "2017-03-24 09:35:05" ]

转换成JSON格式：

$user = Auth::user()->toJson(); dump($user);exit;

输出结果为：

"{"id":1,"name":"admin","email":"mhltlyc@qq.com","description":"\u8d85\u7ea7\u7ba1\u7406\u5458","status":"NORMAL","assigned_rate":0,"supplier_id":0,"agency_id":12,"deleted_at":null,"created_at":"2015-11-02 05:13:17","updated_at":"2017-03-24 09:35:05"}"

可见hidden属性的作用

4、$dates属性 $dates属性里面包含的字段可以直接后面跟carbon类时间操作的任何方法，例如一个模型：

class User extends Model{ /** * 应该被调整为日期的属性 * * @var array */ protected $dates = ['created_at', 'updated_at', 'disabled_at']; } $user = App\User::find(1); return $user->disabled_at->getTimestamp();

5、$attributes属性 默认给数据库里的一个字段赋值

protected $attributes = [ 'user_limit' => 100, ];

默认给这个模型表的user_limit字段赋上100的值 6、$timestamps属性 laravel默认会在create()创建数据的时候，将created_at字段更新，如果是进行修改操作，将会更新updated_at属性里面的值 如果将

public $timestamps = false;

则create方法执行时，不会修改对应的值