下拉列表字段

下拉菜单字段允许你在表格中渲染下拉列表，可用于在不打开新页面或模态框的情况下更新数据库记录：

你必须在字段中传入选项：

use Filament\Tables\Columns\SelectColumn;
 
SelectColumn::make('status')
    ->options([
        'draft' => 'Draft',
        'reviewing' => 'Reviewing',
        'published' => 'Published',
    ])
use Filament\Tables\Columns\SelectColumn;

SelectColumn::make('status')
    ->options([
        'draft' => 'Draft',
        'reviewing' => 'Reviewing',
        'published' => 'Published',
    ])

#验证

你可以以数组形式传入Laravel 验证规则验证输入：

use Filament\Tables\Columns\SelectColumn;
 
SelectColumn::make('status')
    ->options([
        'draft' => 'Draft',
        'reviewing' => 'Reviewing',
        'published' => 'Published',
    ])
    ->rules(['required'])
use Filament\Tables\Columns\SelectColumn;

SelectColumn::make('status')
    ->options([
        'draft' => 'Draft',
        'reviewing' => 'Reviewing',
        'published' => 'Published',
    ])
    ->rules(['required'])

#禁用占位符选择

你可以使用 disablePlaceholderSelection() 方法防止占位符被选中：

use Filament\Tables\Columns\SelectColumn;
 
SelectColumn::make('status')
    ->options([
        'draft' => 'Draft',
        'reviewing' => 'Reviewing',
        'published' => 'Published',
    ])
    ->disablePlaceholderSelection()
use Filament\Tables\Columns\SelectColumn;

SelectColumn::make('status')
    ->options([
        'draft' => 'Draft',
        'reviewing' => 'Reviewing',
        'published' => 'Published',
    ])
    ->disablePlaceholderSelection()

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