在 Laravel 中,你可以使用 whereRaw 方法来执行原生的 SQL 查询,包含 FIND_IN_SET 函数。 代码语言:txt 复制 <?php namespace App\Http\Controllers; use Illuminate\Support\Facades\DB; use App\Models\Record; class RecordController extends
Model::findOrFail($id);//查找主键为$id的数据,找不到抛出异常 Model::where('id',$id)->value();//获取id为$id的第一条数据的一个字段 Model::where('id',$id)->first();//获取id为$id的第一条数据 Model::where('id',$id)->get();//获取id为$id的数据集 Model::where('id',$id)-...
Route::get('model/test/ser/array',function(){$mTest=\App\Models\MTest::find(1);dump($mTest->toArray());dump($mTest->attributesToArray());}); 这个其实没有什么多说的,因为 toArray() 和 attributesToArray() 都是我们之前用过的,但是要注意的是,它们两个是不同的概念。toArray() 方法是一...
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...
This method grants you access to the URI parameters defined on the route being called, such as the {comment} parameter in the example below:1Route::post('/comment/{comment}');Therefore, if your application is taking advantage of route model binding, your code may be made even more ...
No model events are fired when updating a set of models via the Eloquent query builder.Deleting An Existing ModelTo delete a model, simply call the delete method on the instance:1$user = User::find(1); 2 3$user->delete();Deleting An Existing Model By Key1User::destroy(1); 2 3...
You can also revert to a specific version ID of a model using:$revertedModel = Version::find( $version_id )->revert();Disable versioningIn some situations you might want to disable versioning a specific model completely for the current request....
Ardent is not just great for input validation, though - it will help you significantly reduce your Eloquent data model code. Ardent is particularly useful if you find yourself wearily writing very similar code time and again in multiple individual applications. ...
Model::setEventDispatcher($this->app['events']); 二、 楔子 - Eloquent ORM的使用 我们先回顾一下官方文档中,关于ORM的用法: // 1. 静态调用 User::all(); User::find(1); User::where(); // 2. 对象调用 $flight = App\Flight::find(1); ...
Laravel的文档里对于Model的动态属性讲的比较简略,理解起来有些模糊,最近在伟大的虾米的带领下终于搞明白了,在此做一个比较详细的总结。 一、引入 首先上Laravel文档相关部分。一对一关联是很基本的关联。例如一个User模型也许会对应一个Phone。要定义这种关联,我们必须将phone方法放置于User模型上。phone方法应该要返回...