<?php

namespace app\controllers;

use YII;
use app\models\MyUser;
use yii\data\Pagination;
use yii\web\Controller;

class IndexController extends Controller
{
    public function actionIndex()
    {
        $name = YII::$app->request->get('name', '');
        $where = '1=1 ';
        $param = [];

        //如果查詢條件很多，可以按這種方式，拼where條件
        if (!empty($name)) {
            $where .= "AND name=:name";
            $param = array_merge($param, [':name' => $name]);
        }

        //設定分頁大小，為了演示，我寫成了2
        $pageSize = 2;
        $user = MyUser::find()->where($where, $param);

        //建立分頁元件
        $page = new Pagination([
            //總的記錄條數
            'totalCount' => $user->count(),
            //分頁大小
            'pageSize' => $pageSize,
            //設定位址列當前頁數引數名
            'pageParam' => 'p',
            //設定位址列分頁大小引數名
            'pageSizeParam' => 'pageSize',
        ]);

        //獲取資料
        $data = $user->orderBy('id DESC')
            ->offset($page->offset)
            ->limit($page->limit)
            ->asArray()
            ->all();

        return $this->renderPartial('index', [
            'data' => $data,
            'page' => $page,
        ]);
    }
}