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                # 分頁 當一次要在一個頁面上顯示很多數據時,通過需要將其分為 幾部分,每個部分都包含一些數據列表并且一次只顯示一部分。這些部分在網頁上被稱為 分頁。 如果你使用?[數據提供者](http://www.yiichina.com/doc/guide/2.0/output-data-providers)?和?[數據小部件](http://www.yiichina.com/doc/guide/2.0/output-data-widgets)?中之一, 分頁已經自動為你整理。否則,你需要創建 \yii\data\Pagination 對象為其填充數據,例如 \yii\data\Pagination::$totalCount, \yii\data\Pagination::$pageSize 和 \yii\data\Pagination::$page,在 查詢中使用它并且填充到 \yii\widgets\LinkPager。 首先在控制器的動作中,我們創建分頁對象并且為其填充數據: ~~~ function actionIndex() { $query = Article::find()->where(['status' => 1]); $countQuery = clone $query; $pages = new Pagination(['totalCount' => $countQuery->count()]); $models = $query->offset($pages->offset) ->limit($pages->limit) ->all(); return $this->render('index', [ 'models' => $models, 'pages' => $pages, ]); } ~~~ 其次在視圖中我們輸出的模板為當前頁并通過分頁對象鏈接到該頁: ~~~ foreach ($models as $model) { // 在這里顯示 $model } // 顯示分頁 echo LinkPager::widget([ 'pagination' => $pages, ]); ~~~
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