Yii2 gridview+;不使用activerecord进行筛选
我有一个模型(但我后面没有表,因为我想选择有关数据库本身的信息): 控制器:Yii2 gridview+;不使用activerecord进行筛选,gridview,yii2,filtering,csqldataprovider,Gridview,Yii2,Filtering,Csqldataprovider,我有一个模型(但我后面没有表,因为我想选择有关数据库本身的信息): 控制器: namespace app\controllers; use app\models\OracleTablesSearch; use yii\web\Controller; use yii\helpers\Url; use dmstr\bootstrap\Tabs; class OracleTablesController extends Controller { public function actio
namespace app\controllers;
use app\models\OracleTablesSearch;
use yii\web\Controller;
use yii\helpers\Url;
use dmstr\bootstrap\Tabs;
class OracleTablesController extends Controller {
public function actionIndex() {
$searchModel = new OracleTablesSearch;
$dataProvider = $searchModel->search($_GET);
Tabs::clearLocalStorage();
Url::remember();
\Yii::$app->session['__crudReturnUrl'] = null;
return $this->render('index', [
'dataProvider' => $dataProvider,
'searchModel' => $searchModel,
]);
}
}
搜索模型:
namespace app\models;
use Yii;
use yii\base\Model;
use app\models\OracleTables;
use yii\data\SqlDataProvider;
class OracleTablesSearch extends OracleTables {
public function rules() {return [[['table_name'], 'safe'],];}
public function search($params) {
$totalCount = Yii::$app->db_o
->createCommand('SELECT COUNT(TABLE_NAME) FROM USER_TABLES WHERE NUM_ROWS > 0')
->queryScalar();
$dataProvider = new SqlDataProvider([
'db' => Yii::$app->db_o,
'sql' => 'SELECT TABLE_NAME FROM USER_TABLES WHERE NUM_ROWS > 0 ORDER BY TABLE_NAME ASC',
'totalCount' => $totalCount,
]);
$this->load($params);
return $dataProvider;
}
}
public function search($params) {
$totalCount = Yii::$app->db_o
->createCommand('SELECT COUNT(TABLE_NAME) FROM USER_TABLES WHERE NUM_ROWS > 0')
->queryScalar();
$sql = Yii::$app->db_o
->createCommand('SELECT TABLE_NAME FROM USER_TABLES WHERE NUM_ROWS > 0 ORDER BY TABLE_NAME ASC')
->queryColumn();
$dataProvider = new SqlDataProvider([
'db' => Yii::$app->db_o,
'sql' => $sql,
'totalCount' => $totalCount,
]);
$this->load($params);
$sql->andFilterWhere(['like', 'table_name', $this->table_name]);
return $dataProvider;
}
查看文件:
GridView::widget([
'dataProvider' => $dataProvider,
'pager' => ['class' => yii\widgets\LinkPager::className(), 'firstPageLabel' => Yii::t('app', 'First'), 'lastPageLabel' => Yii::t('app', 'Last'),],
'filterModel' => $searchModel,
'tableOptions' => ['class' => 'table table-striped table-bordered table-hover'],
'headerRowOptions' => ['class' => 'x'],
'columns' => [
[
'attribute' => 'TABLE_NAME',
'contentOptions' => ['nowrap' => 'nowrap'],
'filter' => AutoComplete::widget([
'model' => $searchModel,
'attribute' => 'table_name',
'clientOptions' => [
'source' => [],
'autoFill' => true,
//'minLength' => 2
],
'options' => ['class' => 'form-control']
]),
],
],
]);
它可以工作,但是没有过滤,我也想要过滤。我知道如何填充过滤器源代码,这不是问题所在。问题是,我不能在这里添加$sql->andFilterWhere(['like','table\u name',$this->table\u name])
到搜索模型,因为这样我就需要将sql命令传输到SqlDataProvider
外部,但这样它就不再工作了。请看这个(搜索模型):
如果我这样做,我会收到以下错误消息:
PHP警告
preg_match()希望参数2是字符串,数组给定
在…\vendor\yiisoft\yii2\data\SqlDataProvider.php中
131}
$sql = $this->sql;
$orders = [];
$limit = $offset = null;
if ($sort !== false) {
$orders = $sort->getOrders();
$pattern = '/\s+order\s+by\s+([\w\s,\.]+)$/i';
if (preg_match($pattern, $sql, $matches)) {
array_unshift($orders, new Expression($matches[1]));
$sql = preg_replace($pattern, '', $sql);
}
}
if ($pagination !== false) {
$pagination->totalCount = $this->getTotalCount();
$limit = $pagination->getLimit();
$offset = $pagination->getOffset();
我不知道他在说什么参数。或者我还应该使用什么样的数据提供者?你能给我指一下正确的方向吗?非常感谢 我是这样解决的:
public $table_name;
public function search($params) {
isset($_GET['wts']['table_name']) ? $table_name = $_GET['wts']['table_name'] : $table_name = "";
$totalCount = Yii::$app->db_o
->createCommand('SELECT COUNT(TABLE_NAME) FROM USER_TABLES WHERE NUM_ROWS > 0 AND LOWER(TABLE_NAME) LIKE LOWER(:table_name)')
->bindValue(':table_name', '%' . $table_name . '%')
->queryScalar();
$dataProvider = new SqlDataProvider([
'db' => Yii::$app->db_o,
'sql' => 'SELECT TABLE_NAME, NUM_ROWS FROM USER_TABLES WHERE NUM_ROWS > 0 AND LOWER(TABLE_NAME) LIKE LOWER(:table_name) ORDER BY TABLE_NAME ASC',
'params' => [':table_name' => '%' . $table_name . '%'],
'totalCount' => $totalCount,
'pagination' => [
'pageSize' => 15,
],
]);
public $table_name;
public function search($params) {
isset($_GET['wts']['table_name']) ? $table_name = $_GET['wts']['table_name'] : $table_name = "";
$totalCount = Yii::$app->db_o
->createCommand('SELECT COUNT(TABLE_NAME) FROM USER_TABLES WHERE NUM_ROWS > 0 AND LOWER(TABLE_NAME) LIKE LOWER(:table_name)')
->bindValue(':table_name', '%' . $table_name . '%')
->queryScalar();
$dataProvider = new SqlDataProvider([
'db' => Yii::$app->db_o,
'sql' => 'SELECT TABLE_NAME, NUM_ROWS FROM USER_TABLES WHERE NUM_ROWS > 0 AND LOWER(TABLE_NAME) LIKE LOWER(:table_name) ORDER BY TABLE_NAME ASC',
'params' => [':table_name' => '%' . $table_name . '%'],
'totalCount' => $totalCount,
'pagination' => [
'pageSize' => 15,
],
]);