让我们快速看一下 Laravel 4 的以下Model类,我们刚刚从中扩展出来的(位于Vendor\Laravel\Framework\src\Illuminate\Database\Eloquent文件夹中): <?phpnamespaceIlluminate\Database\Eloquent;useDateTime;useArrayAccess;useCarbon\Carbon;useLogicException;useJsonSerializable;useIlluminate\Events\Dispatcher;useIlluminate\Dat...
components−>sort( sort和search方法都不是Laravel自带的Model方法,这种情况一般是自定义的scope。scope是定义在Model中可以被重用的方法,他们都以scope开头。我们可以在app/Models/Traits/SortableTrait.php中找到scopeSort方法: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 trait SortableTrait{/** * Adds ...
php 27 28 namespace App; 29 30 use Illuminate\Database\Eloquent\Model; 31 32 class User extends Model 33 { 34 /** 35 * 限制查询只包括受欢迎的用户。 36 * 37 * @return \Illuminate\Database\Eloquent\Builder 38 */ 39 public function scopePopular($query) 40 { 41 return $query->where(...
/** * 只包含活跃用户的查询作用域 * * @return \Illuminate\Database\Eloquent\Builder */ public function scopePopular($query) { return $query->where('votes', '>', 100); } /** * 只包含激活用户的查询作用域 * * @return \Illuminate\Database\Eloquent\Builder */ public function scopeActive(...
Defining A Query ScopeScopes allow you to easily re-use query logic in your models. To define a scope, simply prefix a model method with scope:1class User extends Eloquent { 2 3 public function scopePopular($query) 4 { 5 return $query->where('votes', '>', 100); 6 } 7 8 ...
Writing a global scope is simple. Define a class that implements the Illuminate\Database\Eloquent\Scope interface. This interface requires you to implement one method: apply. The apply method may add where constraints to the query as needed:1<?php 2 3namespace App\Scopes; 4 5use ...
Scopes 允许您轻松地在模型中复用查询逻辑。要定义 scope，只需在模型方法的前面加上 scope：classUserextendsModel{publicfunctionscopePopular($query){return $query->where('votes','>',100);}publicfunctionscopeWomen($query){return $query->whereGender('W');}}用法:$users = User::popular()->women()...
...Laravel 的软删除功能就是利用此特性从数据库中获取 “未删除”的模型。 你可以编写你自己的全局作用域,很简单、方便的为每个模型查询都加上约束条件。看官方给出的示例: ?...就是在对应的 Eloquent 模型方法前添加 scope 前缀,在模型中构造如下的作用域方法: ?
Year Make Model Exterior Color Current Value View Edit @foreach($cars as $car)
于是我就在BaseModel中定义了: // 多where public function scopeMultiwhere($query, $arr) { if (!is_array($arr)) { return $query; } foreach ($arr as $key => $value) { $query = $query->where($key, $value); } return $query; ...