我正在为yii2使用wbragnaca动态表格，添加和删除按钮在创建时可以正常使用，完美无缺。但是，当我在Instrument上更新嵌套项时，即为该项目的嵌套形式是，当我单击添加按钮时，它会添加3个字段，而不仅仅是一个字段。
这是我单击“项目-报表”按钮之前的表格：
在这里，我单击了项目上的添加按钮之后：
这是我的数据库设计：
这是我的代码，
_form.php
<?php
use yii\helpers\Html;
use yii\widgets\ActiveForm;
use wbraganca\dynamicform\DynamicFormWidget;
/* @var $this yii\web\View */
/* @var $model app\models\Instrument */
/* @var $form yii\widgets\ActiveForm */
?>
<?php $form = ActiveForm::begin(['id' => 'dynamic-form']); ?>
<div>
<?= $form->field($modelInstrument, 'name')->textInput(['maxlength' => true,'style'=>'width: 50%', 'placeholder'=>'Name'])->label(false) ?>
<?= $form->field($modelInstrument, 'description')->textArea(['rows' => '6', 'placeholder'=>'Description'])->label(false) ?>
</div>
<div class="padding-v-md">
<div class="line line-dashed"></div>
</div>
<br/>
<?php DynamicFormWidget::begin([
'widgetContainer' => 'dynamicform_wrapper',
'widgetBody' => '.container-items',
'widgetItem' => '.section-item',
'min' => 1,
'insertButton' => '.add-section',
'deleteButton' => '.remove-section',
'model' => $modelsSection[0],
'formId' => 'dynamic-form',
'formFields' => [
'name',
'description',
],
]); ?>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th >Sections</th>
<th style="width: 650px; height: 30px;">Items</th>
<th class="text-center" style="width: 30px; height: 30px;">
<button type="button" class="add-section btn btn-success btn-xs"><span class="glyphicon glyphicon-plus" style="font-size: 10px"></span></button>
</th>
</tr>
</thead>
<tbody class="container-items">
<?php foreach ($modelsSection as $indexSection => $modelSection): ?>
<tr class="section-item">
<td class="vcenter">
<?php
// necessary for update action.
if (! $modelSection->isNewRecord) {
echo Html::activeHiddenInput($modelSection, "[{$indexSection}]id");
}
?>
<?= $form->field($modelSection, "[{$indexSection}]name")->label(false)->textInput(['placeholder'=>"Name"]) ?>
<?= $form->field($modelSection, "[{$indexSection}]description")->label(false)->textArea(['rows' => '6', 'placeholder'=>'Description']) ?>
</td>
<td>
<?= $this->render('_form-item', [
'form' => $form,
'indexSection' => $indexSection,
'modelsItem' => $modelsItem[$indexSection],
]) ?>
</td>
<td class="text-center vcenter" style="width: 40px; verti">
<button type="button" class="remove-section btn btn-danger btn-xs"><span class="glyphicon glyphicon-minus" style="font-size: 10px"></span></button>
</td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
<?php DynamicFormWidget::end(); ?>
<div class="form-group">
<?= Html::submitButton($modelInstrument->isNewRecord ? 'Create' : 'Update', ['class' => 'btn btn-primary']) ?>
</div>
<?php ActiveForm::end(); ?>
_form-item.php
<?php
use yii\helpers\Html;
use wbraganca\dynamicform\DynamicFormWidget;
?>
<?php DynamicFormWidget::begin([
'widgetContainer' => 'dynamicform_inner',
'widgetBody' => '.container-rooms',
'widgetItem' => '.room-item',
'min' => 1,
'insertButton' => '.add-item',
'deleteButton' => '.remove-item',
'model' => $modelsItem[0],
'formId' => 'dynamic-form',
'formFields' => [
'statement'
],
]); ?>
<table class="table table-bordered">
<thead>
<tr>
<th >Statements</th>
<th class="text-center">
<button type="button" class="add-item btn btn-success btn-xs"><span class="glyphicon glyphicon-plus" style="font-size: 10px"></span></button>
</th>
</tr>
</thead>
<tbody class="container-rooms">
<?php foreach ($modelsItem as $indexItem => $modelItem): ?>
<tr class="room-item">
<td class="vcenter">
<?php
// necessary for update action.
if (! $modelItem->isNewRecord) {
echo Html::activeHiddenInput($modelItem, "[{$indexSection}][{$indexItem}]id");
}
?>
<?= $form->field($modelItem, "[{$indexSection}][{$indexItem}]statement")->label(false)->textInput(['maxlength' => true]) ?>
</td>
<td class="text-center vcenter" style="width: 40px;">
<button type="button" class="remove-item btn btn-danger btn-xs"><span class="glyphicon glyphicon-minus" style="font-size: 10px"></span></button>
</td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
<?php DynamicFormWidget::end(); ?>
InstrumentController.php actionUpdate
public function actionUpdate($id)
{
$modelInstrument = $this->findModel($id);
$modelsSection = $modelInstrument->sections;
$modelsItem = [];
$oldItems = [];
if (!empty($modelsSection)) {
foreach ($modelsSection as $indexSection => $modelSection) {
$items = $modelSection->items;
$modelsItem[$indexSection] = $items;
$oldItems = ArrayHelper::merge(ArrayHelper::index($items, 'id'), $oldItems);
}
}
if ($modelInstrument->load(Yii::$app->request->post())) {
// reset
$modelsItem = [];
$oldSectionIDs = ArrayHelper::map($modelsSection, 'id', 'id');
$modelsSection = Model::createMultiple(Section::classname(), $modelsSection);
Model::loadMultiple($modelsSection, Yii::$app->request->post());
$deletedSectionIDs = array_diff($oldSectionIDs, array_filter(ArrayHelper::map($modelsSection, 'id', 'id')));
// validate Instrument and Section models
$valid = $modelInstrument->validate();
$valid = Model::validateMultiple($modelsSection) && $valid;
$itemsIDs = [];
if (isset($_POST['Item'][0][0])) {
foreach ($_POST['Item'] as $indexSection => $items) {
$itemsIDs = ArrayHelper::merge($itemsIDs, array_filter(ArrayHelper::getColumn($items, 'id')));
foreach ($items as $indexItem => $item) {
$data['Item'] = $item;
$modelItem = (isset($item['id']) && isset($oldItems[$item['id']])) ? $oldItems[$item['id']] : new Item;
$modelItem->load($data);
$modelsItem[$indexSection][$indexItem] = $modelItem;
$valid = $modelItem->validate();
}
}
}
$oldItemsIDs = ArrayHelper::getColumn($oldItems, 'id');
$deletedItemsIDs = array_diff($oldItemsIDs, $itemsIDs);
if ($valid) {
$transaction = Yii::$app->db->beginTransaction();
try {
if ($flag = $modelInstrument->save(false)) {
if (! empty($deletedItemsIDs)) {
Item::deleteAll(['id' => $deletedItemsIDs]);
}
if (! empty($deletedSectionIDs)) {
Section::deleteAll(['id' => $deletedSectionIDs]);
}
foreach ($modelsSection as $indexSection => $modelSection) {
if ($flag === false) {
break;
}
$modelSection->instrument_id = $modelInstrument->id;
if (!($flag = $modelSection->save(false))) {
break;
}
if (isset($modelsItem[$indexSection]) && is_array($modelsItem[$indexSection])) {
foreach ($modelsItem[$indexSection] as $indexItem => $modelItem) {
$modelItem->section_id = $modelSection->id;
if (!($flag = $modelItem->save(false))) {
break;
}
}
}
}
}
if ($flag) {
$transaction->commit();
return $this->redirect(['view', 'id' => $modelInstrument->id]);
} else {
$transaction->rollBack();
}
} catch (Exception $e) {
$transaction->rollBack();
}
}
}
return $this->render('update', [
'modelInstrument' => $modelInstrument,
'modelsSection' => (empty($modelsSection)) ? [new Section] : $modelsSection,
'modelsItem' => (empty($modelsItem)) ? [[new Item]] : $modelsItem
]);
}
我从wbraganca的网站复制了代码。我根据需要更改代码。但是更新，就像我说的要在我的“区段”上更新并添加更多项目时所说的，该字段添加了3个字段，而不仅仅是一个。
我阅读了文档，但仍然找不到错误。
Here is the Video to what happen when I click on the add button