BaseModal.php
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<?php
/**
+-----------------------------------------------------------------------------------------------------------------------
* grid 列表 modal 类：
+-----------------------------------------------------------------------------------------------------------------------
*
* PHP version 7
*
* @category App\Admin\Grids
* @package App\Admin\Grids
* @author Richer <yangzi1028@163.com>
* @date 2020年12月29日09:29:47
* @copyright 2021-2022 Richer (http://www.Richer.com/)
* @license http://www.Richer.com/ License
* @link http://www.Richer.com/
*/
namespace App\Admin\Grids\Modal;
use Illuminate\Contracts\Support\Renderable;
/**
* Class BaseModal
*
* @category App\Admin\Grids\Modal
* @package App\Admin\Grids\Modal
* @author Richer <yangzi1028@163.com>
* @date 2020年12月29日09:29:47
* @copyright 2021-2022 Richer (http://www.Richer.com/)
* @license http://www.Richer.com/ License
* @link http://www.Richer.com/
*/
class BaseModal implements Renderable
{
protected $pageSize = 10;
/**
* @return int
*/
public function getPageSize()
{
return $this->pageSize;
}
public function render($key = null)
{
//
}
/**
* 渲染自定义的分页 ajax
*
* @param $key
* @param $paginator
* @param $transformer
* @param array $params
* @return array
*/
public function renderPaginator($key, $paginator, $transformer = null, $params = [])
{
// dump($paginator);
$paginator->appends('key', $key);
$paginator->appends('renderable', request('renderable'));
// 追加查询条件
if ($params) {
array_walk($params, function ($param, $key) use (&$paginator) {
$paginator->appends($key, $param);
});
}
$items = $paginator->items() ;
// 对数据进行转换
$data = [];
if ($transformer) {
foreach ($items as $vo) {
$data[] = $transformer->transform($vo);
}
} else {
$data = $items;
}
// 获取当前的页码
$page = request('page', 1);
// 全部数据
$total = $paginator->total();
// 全部页码
$lastPage = $paginator->lastPage();
// 当前页码
$currentPage = $paginator->currentPage();
// 中间的页码数组
$elements = [];
$len = $lastPage - 2;
$center_page = 8;
// 创建数组
if ($lastPage <= 10) {
for ($i = 1; $i <= $lastPage; $i++) {
$elements[0][$i] = $i;
}
} else {
if ($currentPage < $center_page) {
for ($i = 1; $i <= $center_page; $i++) {
$elements[0][$i] = $i;
}
$elements[1] = '...';
for ($i = $lastPage-1; $i <= $lastPage; $i++) {
$elements[2][$i] = $i;
}
}/*elseif($currentPage === $lastPage /2){
// for ($i = $lastPage /2 - 4; $i <= $lastPage /2 - 4; $i++) {
// $elements[0][$i] = $i;
// }
// $elements[1] = '...';
// for ($i = $center_page + 1; $i <= $center_page + 4; $i++) {
// $elements[2][$i] = $i;
// }
// $elements[2]['...'] = '...';
// for ($i = $lastPage-1; $i <= $lastPage; $i++) {
// $elements[2][$i] = $i;
// }
}*/ elseif ($currentPage <= $lastPage /2 + 1) {
for ($i = 1; $i <= $center_page - 4; $i++) {
$elements[0][$i] = $i;
}
$elements[1] = '...';
for ($i = $center_page + 1; $i <= $center_page + 4; $i++) {
$elements[2][$i] = $i;
}
$elements[2]['...'] = '...';
for ($i = $lastPage-1; $i <= $lastPage; $i++) {
$elements[2][$i] = $i;
}
} else {
for ($i = 1; $i <= 2; $i++) {
$elements[0][$i] = $i;
}
$elements[1] = '...';
for ($i = $lastPage-$center_page-1; $i <= $lastPage; $i++) {
$elements[2][$i] = $i;
}
}
}
//dd($elements);
$prev = ($page - 1) > 0 ? $page - 1 : 1;
$next = ($page + 1) < $total ? $page + 1 : $total;
return [
'key' => $key,
'renderable'=> request('renderable'),
'items' => $data,
'prev' => $prev,
'next' => $next,
'total' => $total,
'lastPage' => $lastPage,
'page' => $page,
'pageSize' => $this->getPageSize(),
'paginator' => $paginator,
'elements' => $elements,
'url' => request()->url(),
];
}
}