Laravel包含的Eloquent模块,是一个对象关系映射(ORM),能使你更愉快地交互数据库。当你使用Eloquent时,数据库中每张表都有一个相对应的"模型"用于操作这张表。除了能从数据表中检索数据记录之外,Eloquent模型同时也允许你新增,更新和删除这对应表中的数据
Eloquent: 入门简介Laravel 包含了 Eloquent,这是一个对象关系映射器(ORM),使与数据库的交互变得很愉快。使用 Eloquent 时,每个数据库表都有一个对应的「模型」,用于与该表进行交互。除了从数据库表中检索记录外,Eloquent 模型还允许您从表中插入,更新和删除记录。提示...
If a model has a non-null deleted_at value, the model has been soft deleted. To enable soft deletes for a model, use the Illuminate\Database\Eloquent\SoftDeletes trait on the model and add the deleted_at column to your $dates property:...
Eloquent will also assume that each table has a primary key column named id. You may define a protected $primaryKey property to override this convention:1<?php 2 3namespace App; 4 5use Illuminate\Database\Eloquent\Model; 6 7class Flight extends Model 8{ 9 /** 10 * The primary ...
第二章 ,MVC 中的模型,介绍了 MVC 架构模式中模型层的功能、结构、目的、在 SOLID 设计模式中的作用、Laravel 如何使用它以及 Laravel 模型层和 Eloquent ORM 的优势。还讨论了处理数据的 Laravel 类。 第三章 ,MVC 中的视图,介绍了 MVC 架构模式中视图层的功能、结构、目的以及 Laravel 视图层和 Blade 模板...
Eloquent will also assume that each table has a primary key column namedid. You may define a$primaryKeyproperty to override this convention. Eloquent 假定每一个数据表中都存在一个命名为id的列作为主键。你可以通过定义一个$primaryKey属性来明确指定一个主键。
* @param string $column * @param string $direction * * @return \Illuminate\Database\Eloquent\Builder */publicfunctionscopeSort(Builder $query,$column,$direction){if(!in_array($column,$this->sortable)){return$query;}return$query->orderBy($column,$direction);}} ...
A.To delete a record in Laravel, use the following Eloquent method inside your controller: public functiondestroy($id){ $post = Post::findOrFail($id); $post->delete(); returnredirect()->route('posts.index'); } You can also use: ...
laravel-eloquent-filter我也遇到了同样的问题，并在这里发布了我的解决方案，但我认为它值得重新发布，...
set on the model and inserted into the database. If a model has a non-null deleted_at value, the model has been soft deleted. To enable soft deletes for a model, use the Illuminate\Database\Eloquent\SoftDeletes trait on the model and add the deleted_at column to your $dates property...