分页器的使用方式不正确:在使用分页器时,需要确保orderBy语句位于查询语句之前,以确保正确的排序。例如,以下代码展示了正确的使用方式: 代码语言:txt 复制$items = DB::table('table_name') ->orderBy('date_column', 'desc') ->paginate(10); 查询语句中的日期字段不正确:确保orderBy语句中的日期字...
OrderDate, (SELECT MAX(OrdDet.UnitPrice) FROM Sales.SalesOrderDetail AS OrdDet WHERE Ord.SalesOrderID = OrdDet.SalesOrderID) AS MaxUnitPrice FROM Sales.SalesOrderHeader AS Ord; GO Laravel 中的写法 构建raw 语句 DB::raw 用于在查询中使用原始表达式。不仅限于 raw,也包括下述其他方法: selectRaw ...
“I've been using Laravel for every project over the past ten years, to this date, there's just nothing like it.” Philo HermansFounder of Anystack “I've been using Laravel for over 10 years and I can't imagine using PHP without it.” ...
date("Y-m-d H:i:s", time())])->selectRaw("DATE_FORMAT(created_at, '%Y-%m-%d %H:%i') as date, id,device_id,device_field_id,name,created_at")->groupBy('date')->orderBy('date', 'desc');$query->whereBetween('created_at',[date("Y-m-d H:i:s",time() -...
自定义属性custom_date,返回return date('Y-m-d', intval($value)); 当我需要返回指定格式的日期时,我就在对应的model,设置属性为custom_date就可以了。 <?phpnamespace App\Model;use App\Library\Utility;use Illuminate\Database\Eloquent\Model;class CustomModel extends Model{...protected function castAtt...
protected function getDateFormat(){ return time(); } 这样就不需要那两个字段了。 控制器里写: $student=new Student(); //设定数据 $student->vip_name='xiaoming'; $student->vip_type='出行'; $student->vip_fenshu=900; $bool=$student->save(); //保存 echo $bool; ...
时间戳:模型会默认在你的数据库表有 created_at 和 updated_at 字段,设置可关闭模型自动维护这两个字段;timestamps=false可关闭模型自动维护这两个字段;dateFormat 属性用于在模型中设置自己的时间戳格式 数据库连接:模型默认会使用应用程序中配置的数据库连接,如果你想为模型指定不同的连接,可以使用 $connection 属...
Instead of passing a date string to be evaluated by strtotime, you may specify another field to compare against the date:1'finish_date' => 'required|date|after:start_date'after_or_equal:dateThe field under validation must be a value after or equal to the given date. For more information...
laravel/laravel 18Branches262Tags Folders and files Name Last commit message Last commit date Latest commit AhmedAlaa4611 Clean up URL formatting in README (#6601) Apr 16, 2025 f6e4638·Apr 16, 2025 History 7,140 Commits .github/workflows...
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