yii2分页

最新推荐文章于 2021-07-01 16:15:58 发布

原创最新推荐文章于 2021-07-01 16:15:58 发布 · 507 阅读

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本文介绍使用Yii框架进行数据分页的方法，包括控制器中的分页逻辑实现及视图展示方式，并涉及模型层分页的不同实现。

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控制器

<?php

namespace app\controllers;

use yii\web\Controller;
use yii\data\Pagination;
use app\models\Country;

class CountryController extends Controller{
    public function actionIndex()
    {
        $query = Country::find();

        $pagination = new Pagination([
            'defaultPageSize' => 5,
            'totalCount' => $query->count(),
        ]);

        $countries = $query->orderBy('name')
            ->offset($pagination->offset)
            ->limit($pagination->limit)
            ->all();

        return $this->render('index', [
            'countries' => $countries,
            'pagination' => $pagination,
        ]);
    }
}

创建视图

<?phpuse yii\helpers\Html;
use yii\widgets\LinkPager;
?>
<h1>Countries</h1>
<ul>
<?php foreach ($countries as $country): ?>
    <li>
        <?= Html::encode("{$country->name} ({$country->code})") ?>:
        <?= $country->population ?>
    </li>
<?php endforeach; ?>
</ul>

<?= LinkPager::widget(['pagination' => $pagination]) ?>

显示首页尾页下一页

<?= LinkPager::widget(['pagination' => $pagination, 'nextPageLabel' => '下一页', 'prevPageLabel' => '上一页',  'firstPageLabel' => '首页', 'lastPageLabel' => '尾页',]); ?>

model层分页(上面是controller分页,两种分页是不一致的)

$pages= (new \yii\db\Query())  
            ->select(["wechat","name","fans","number"])  
            ->from('ht_weumber');
            $count = $pages->count();
            $pagination = new Pagination(['defaultPageSize' => 50 ,'totalCount' => $count]);
            $pages = $pages->offset($pagination->offset)
            ->limit($pagination->limit)
            ->all();
            $arr = array("pages"=>$pages,"pagination"=>$pagination);
            return $arr;