Route::get('model/test/collection',function(){$where=[];if(request()->name){$where[]=['name','like','%'.request()->name.'%'];}if(request()->sex){$where[]=['sex','=',request()->sex];}$list=\App\Models\MTest::where($where)->orderBy('id','desc')->limit(10)->offset...
Model::where('id',$id)->get();//获取id为$id的数据集 Model::where('id',$id)->all();//获取id为$id的数据 Model::where('id',$id)->exists();//查询id为$id的数据是否存在 Model::where('id',$id)->pluck('name','id');//查询键值对,[id=>name] Model::select('id','name')-...
上面的store方法 是对象调用了一个insert()方法 这个方法是我封装在Model文件中的 当然也可以直接在控制器中执行(下边会有举例),但是不提倡 看一下 Model文件中的insert方法 解释create()方法默认返回的是插入的数据内容 后边加 ->id 就是只返回id 访问 域名+model/store 会报错 因为要在模型中先定义允许 create...
$newestContacts=Contact::orderBy('created_at','desc')->take(10)->get(); 不过大家需要注意的是,orderBy take 这些方法,都是集合的操作,也就是说 在执行之前,数据库查询是全量的,这对于数据库服务器和web服务器不再一台主机的情况, 网络传输量是个不小的考验。
12 * Get the attachable representation of the model. 13 */ 14 public function toMailAttachment(): Attachment 15 { 16 return Attachment::fromPath('/path/to/file'); 17 } 18}Once you have defined your attachable object, you may return an instance of that object from the attachments method...
By default, Laravel includes an App\User Eloquent model in your app directory. This model may be used with the default Eloquent authentication driver. If your application is not using Eloquent, you may use the database authentication driver which uses the Laravel query builder....
$carry->unionAll($query) : $query; }); $relation->match( $relation->initRelation($collection->all(), $name), $relation->get(), $name ); } return $collection; } } class Book extends Model { public function chapters(): HasMany { return $this->hasMany(Chapter::class); } } ...
$revertedModel = Version::find( $version_id )->revert();Disable versioningIn some situations you might want to disable versioning a specific model completely for the current request.You can do this by using the disableVersioning and enableVersioning methods on the versionable model....
并且ModelB: class LeaseRequest extends Model { protected $appends = ['security_deposit_entry']; public function getSecurityDepositEntryAttribute() { return Rent ::where('property_id', $this->property_id) ->where('lease_request_id', $this->id) ...
We also need to make some changes to the app/User.php model. The following code ensures that the phone, name, and password fields are mass assignable. You can read more about mass assignment in the Laravel documentation: PHP Copy Code protected $fillable = [ 'name', 'phone', 'passwor...