[英]Yii Class CActiveDataProvider not found
我是Yii的新手,運行小部件時遇到此錯誤“找不到類'app \\ controllers \\ CActiveDataProvider'”。
這是我的代碼:
models / industrial.php:
<?php
namespace app\models;
use yii\db\ActiveRecord;
class Industrial extends ActiveRecord
{
}
controllers / IndustrialController.php:
<?php
namespace app\controllers;
use yii\web\Controller;
use yii\data\Pagination;
use app\models\industrial;
class IndustrialController extends Controller
{
public function actionIndex()
{
$dataProvider=new CActiveDataProvider('Industrial', array(
'pagination'=>array(
'pageSize'=>20,
),
));
$query = industrial::find();
$pagination = new Pagination([
'defaultPageSize' => 20,
'totalCount' => $query->count(),
]);
$industrials = $query->orderBy('Company_Name')
->offset($pagination->offset)
->limit($pagination->limit)
->all();
return $this->render('index', [
'industrials' => $industrials,
'pagination' => $pagination,
'dataProvider'=>$dataProvider,
]);
}
}
views / industrial / index.php:
<?php
use yii\helpers\Html;
use yii\widgets\LinkPager;
?>
<h1>Industrial Companies</h1>
<ul>
<?php
use kartik\export\ExportMenu;
use kartik\grid\GridView;
$gridColumns = [
['class' => 'yii\grid\SerialColumn'],
'id',
'name',
[
'attribute'=>'Name',
'label'=>'Name',
'vAlign'=>'middle',
'width'=>'190px',
'value'=>function ($model, $key, $index, $widget) {
return Html::a($model->Name, '#', []);
},
'format'=>'raw'
],
'Name',
'Location',
'Telephone',
];
echo ExportMenu::widget([
'dataProvider' => $dataProvider,
'columns' => $gridColumns,
'fontAwesome' => true,
'dropdownOptions' => [
'label' => 'Export All',
'class' => 'btn btn-default'
]
]) . "<hr>\n".
GridView::widget([
'dataProvider' => $dataProvider,
'columns' => $gridColumns,
'export' => [
'fontAwesome' => true,
]
]);
$array = (array) $industrials;
function build_table($array){
// start table
$html = '<table class="altrowstable" id="alternatecolor">';
// header row
$html .= '<tr>';
foreach($array[0] as $key=>$value){
$html .= '<th>' . $key . '</th>';
}
$html .= '</tr>';
// data rows
foreach( $array as $key=>$value){
$html .= '<tr>';
foreach($value as $key2=>$value2){
$html .= '<td>' . $value2 . '</td>';
}
$html .= '</tr>';
}
// finish table and return it
$html .= '</table>';
return $html;
}
echo build_table($array);
?>
<?= LinkPager::widget(['pagination' => $pagination]) ?>
這里有什么問題? 請你幫助我好嗎?
我解決了在控制器的開頭添加此內容的問題:
use yii\data\ActiveDataProvider;
我相信您的問題是由您使用命名空間引起的,Yii 1.1並未使用該命名空間。 因為您CActiveDataProvider
命名空間聲明為app/controllers
,所以將在該命名空間內而不是在全局命名空間中查找CActiveDataProvider
。 具體來說,它正在app / controllers目錄中尋找類文件。
要解決此問題,請嘗試將類引用為\\CActiveDataProvider
以使其使用Yii的自動加載器查找該類。
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