public function chunkById($count, callable $callback, $column = null, $alias = null) { $column = is_null($column) ? $this->getModel()->getKeyName() : $column; $alias = is_null($alias) ? $column : $alias; $lastId = 0; do { $clone = clone $this; // We'll execute the...
Did you ever think about using an alias in the select columns while using Laravel Eloquent?. We cannot say it’s very Laravel specific, rather a MySql feature. Basically, when you join two or more tables in MySql, chances are very high that you will have the same column names multiple ...
(一)、新建模型及使用1 //模型文件 Admin.php 2 <?php 3 /** 4 * Created by PhpStorm. 5 * User: Administrator 6 * Date: 2018/8/25/025 7 * Time: 13:35 8 */ 9 namespace App; 10 use Illuminate\Database\Eloquent\Model; 11 12 class Admin extends Model 13 { 14 public static fun...
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...
{tip} 这个功能类似Laravel model中的访问器。 classPHPEditorextendsField{...// 把字段值转化为数组格式// $data是当前表单的编辑数据,数据格式是 arrayprotectedfunctionformatFieldData($data){// 获取到当前字段值$value=parent::formatFieldData($data);// 处理字段值...return$value;}} ...
When building the database schema for the App\Models\User model, make sure the password column is at least 60 characters in length. Of course, the users table migration that is included in new Laravel applications already creates a column that exceeds this length....
For convenience, you can use the aliasfindBySlugto retrieve a model. The query will compare against the field passed tosaveSlugsTowhen defining theSlugOptions. $model= Article::findBySlug('my-article'); findBySlugalso accepts a second parameter$columnsjust like the default Eloquentfindmethod. ...
Options can be set in the model : class Seller extends BaseModel { protected $useTableAlias = false; protected $appendRelationsCount = false; protected $leftJoin = false; protected $aggregateMethod = 'MAX'; or on query : Order::setUseTableAlias(true)->get(); Order::setAppendRelationsCount...
App\Flight::findOrFail(1); $model = App\Flight::where('legs', '>', 100)->firstOrFail(); 如果没有捕获这个异常的话,laravel...与查询构造器查询方法一样,可以使用聚集函数返回结果,常见的比如max, min,avg,sum,count等 $count = App\Flight::where('active', 1)->count...(); $max = App\...
use App\Model\OrderReturnTrace;use App\Dao\UpPayOrderDao;use App\Model\OrderPayTrace;use App\Model\OrderTrace;class OmsOrderDeliveryQuery extends Command { /** * The name and signature of the console command.* * @var string */ protected $signature = 'oms:odquery {order_id?}';protected ...