首先,我为我可怜的英语道歉。 前面的代码只使用'article'表中的列进行排序。 我想在前面的代码中添加一个新的排序,但是值在另一个表'votes'中。 看看上面的代码,我们使用的是laravel的'link_for_sort'。但是,我认为这种方法的论点不是'table'而是'column',所以不能使用其他表。 如何在另一个表中按值应用排序? 谢谢你的回复。感谢。
* project.php
'sorting' => [
'view_count' => 'view',
'created_at' => 'date',
],
'sorting_vote' => [
'up' => 'score',
],
* index.blade.php
<div class="btn-group sort__article">
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">
<i class="fa fa-sort"></i>
{{ trans('forum.articles.sort') }}
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu">
// table: article, column: view_count,created_at
@foreach(config('project.sorting') as $column => $text)
<li {!! request()->input('sort') == $column ? 'class="active"' : '' !!}>
{!! link_for_sort($column, $text) !!}
</li>
@endforeach
// table: votes, column: up
@foreach(config('project.sorting_vote') as $column => $text)
<li {!! request()->input('sort') == $column ? 'class="active"' : '' !!}>
{!! link_for_sort($column, $text) !!}
</li>
@endforeach
</ul>
</div>
* Article.php
public function votes()
{
return $this->hasMany( Vote::class );
}
MariaDB [root]> desc articles;
+------------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+------------+------------------+------+-----+---------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| user_id | int(10) unsigned | NO | MUL | NULL | |
| title | varchar(191) | NO | MUL | NULL | |
| content | text | NO | | NULL | |
| created_at | timestamp | YES | | NULL | |
| updated_at | timestamp | YES | | NULL | |
| thumbnail | varchar(191) | YES | | NULL | |
| view_count | int(10) | NO | | 0 | |
+------------+------------------+------+-----+---------+----------------+
8 rows in set (0.00 sec)
MariaDB [root]> desc votes;
+------------+------------------+------+-----+-------------------+-----------------------------+
| Field | Type | Null | Key | Default | Extra |
+------------+------------------+------+-----+-------------------+-----------------------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| user_id | int(10) unsigned | NO | MUL | NULL | |
| article_id | int(10) unsigned | NO | MUL | NULL | |
| up | tinyint(4) | YES | | NULL | |
| down | tinyint(4) | YES | | NULL | |
| voted_at | timestamp | NO | | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
+------------+------------------+------+-----+-------------------+-----------------------------+
6 rows in set (0.00 sec)
答案 0 :(得分:0)
你尝试过类似的事情吗?
Article::with('votes')->orderBy('votes.up', 'DESC')->paginate(10)
道歉,如果这不起作用,我没有时间去测试它。