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($where)->orderBy('id','desc')->limit(10)->offset...
Model::selectRaw('id , name as 姓名')->first();//查询id,name 作为姓名字段展示,selectRaw()里面可以使用原生sql语句 Model::whereIn('id',[1,2,3])->get();//whereIn查询 where id in (1,2,3) <> whereRaw("id in (1,2,3)") <> whereBetween('id',[1,3]) Model::where('id',$...
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...
(1)取出基本数据 案例1:获取member表中所有的数据 DB::table(‘member’)->get(); //相当于select * from member; 返回值是一个集合对象, 返回值: 完成遍历取出的数据: 注意:Get查询的结果每一行的记录是对象的形式,不是数组。 案例2:获取id<3的数据 ->where()->get(); 案例3:查询id>2且年龄<21 ...
10public function set($model, $key, $value, $attributes) 11{ 12 if (! $value instanceof AddressModel) { 13 throw new InvalidArgumentException('The given value is not an Address instance.'); 14 } 15 16 return [ 17 'address_line_one' => $value->lineOne, 18 'address_line_two' ...
12 * Get all of the tasks for the user. 13 */ 14 public function tasks() 15 { 16 return $this->hasMany(Task::class); 17 } 18}The user RelationshipNext, let's define the user relationship on the Task model. Again, we will define the relationship as a method on the model. In ...
laravel框架中利用模型类model对应后台数据库关键字 在Laravel框架开发过程中，模型类承担着连接后台数据库的核心角色。想要让模型准确对应数据库表结构的关键字段，需要从模型定义、数据表配置、查询方法三个层面配合操作，同时考虑代码规范与性能优化。模型类与数据表的映射关系 新建模型文件通常继承Illuminate，默认情况下...
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) ...
$carry->unionAll($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....