Laravel 5-雄辩-分页结果 [英] Laravel 5 - Eloquent - Paginate results
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问题描述
我在项目中使用Laravel 5,并且具有此功能可对结果进行分页:
I'm using Laravel 5 for my project and I have this function to paginate the results:
return $query->approvate()->with( 'voti' )->get()->sortBy( function ( $sort )
{
return $sort->voti->count();
}, 0, true );
我尝试使用paginate()
,但是我需要在分页之前对集合的结果进行排序.
I have tried to use paginate()
but I need the results of the collection to be ordered before the pagination.
在Laravel 4中,这种方法已在Laravel 5中删除:
In Laravel 4 there was this method that has been removed in Laravel 5:
$paginator = Paginator::make($items, $totalItems, $perPage);
订购后如何在L5中对结果进行分页?
How can I paginate the results in L5 after the ordering?
推荐答案
Laravel无法对集合进行分页,但是我写了一个助手,所以您仍然可以这样做.
Laravel has no way of paginating a collection, but I wrote a helper so you can still do this.
尝试此代码:
<?php
namespace Helpers;
use Illuminate\Support\Facades\Input;
class Paginator extends \Illuminate\Database\Eloquent\Collection {
private $pageNr;
private $perPage;
private $all;
public function paginate($perPage)
{
$this->perPage = (int) $perPage;
$this->pageNr = (int) $this->getCurrentPage();
$this->all = $this->all();
$this->items = array_slice($this->all(), $this->getCurrentPage()*$perPage-$perPage, $this->perPage);
return $this;
}
public function getCurrentPage()
{
$input = Input::get('page');
if($input==null)
return 1;
return $input;
}
public function getLastPage()
{
return(intval(ceil(count($this->all)/$this->perPage)));
}
public function getUrl($page)
{
return url('zoeken?page='.$page);
}
}
您可能需要更改getUrl函数.
You might need to change the getUrl function.
用法:
$paginator = new \Helpers\Paginator(Collection $col);
$paginator->paginate(int $x);
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