$form->editor('content')->required()->disk('oss')
->imageDirectory('/upload/pic/'.date('Y').date('m'))->placeholder('请输入内容')->height('600');
$form->select('status')->options(\App\Models\ZzNews::$arr_status)
->when(\App\Models\ZzNews::VAlid_STATUS,function (Form $form){
$form->datetime('release_time')->rules('required_if:status,1') // 使用required_if
->setLabelClass(['asterisk']); // 显示 * 号
})
$grid->column('content')->expand(function (Grid\Displayers\Expand $expand) {
// 设置按钮名称
$expand->button('新闻内容');
// 返回显示的详情
// 这里返回 content 字段内容,并用 Card 包裹起来
$introduction = '<div style="text-align: left"><h5 class="text-bold">新闻内容</h5>' . htmlspecialchars_decode($this->content) . '</div>';
return new Card(null, $introduction);
})->style('width:100px');