antshop/backend/modules/shop/views/after-sale/_search.php

<?php

use yii\helpers\Html;
use yii\widgets\ActiveForm;
use \blobt\widgets\DateRangePicker;

/* @var $this yii\web\View */
/* @var $model backend\modules\shop\models\searchs\AfterSaleSearch */
/* @var $form yii\widgets\ActiveForm */
?>

<?php $form = ActiveForm::begin([
            'action' => ['index'],
            'method' => 'get',
            'validateOnType' => true,
        ]);
?>
<div class="row">
    <div class="col">
        <?= $form->field($model, 'id', [
            "template" => "{input}{error}",
            "inputOptions" => [
                "placeholder" => "检索ID",
                "class" => "form-control",
            ],
            "errorOptions" => [
                "class" => "error-tips"
            ]
        ])
        ?>
    </div>
    <div class="col">
        <?= $form->field($model, 'after_sale_sn', [
            "template" => "{input}{error}",
            "inputOptions" => [
                "placeholder" => "售后单号",
                "class" => "form-control",
            ],
            "errorOptions" => [
                "class" => "error-tips"
            ]
        ])
        ?>
    </div>
    <div class="col">
        <?= $form->field($model, "created_at_range", [
            "template" => "{input}{error}",
            "inputOptions" => [
                "placeholder" => "创建时间",
            ],
            "errorOptions" => [
                "class" => "error-tips"
            ]
        ])->widget(DateRangePicker::className());
        ?>
    </div>
        <div class="form-group">
            <?= Html::submitButton('<i class="fa fa-filter"></i>', ['class' => 'btn btn-default']) ?>
            <?= Html::resetButton('<i class="fa fa-eraser"></i>', ['class' => 'btn btn-default']) ?>
        </div>
</div>
<?php ActiveForm::end(); ?>