无法获取和显示Laravel 5.8中动态菜单的孙子关系 [英] Unable to get and display grandchild relationship for dynamic menu in laravel 5.8
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问题描述
我正在laravel中创建动态多级菜单,我能够获取父级和子级关系并显示该菜单,但是如果关系又向下一级,则无法获取和显示.
I am creating dynamic multilevel menu in laravel, I am able to get parent and child relationship and display the menu but unable to get and display if relationship goes one more level down.
请协助.
我的模特:
public function parent()
{
return $this->belongsTo('App\Menu', 'parent_id');
}
public function children()
{
return $this->hasMany('App\Menu', 'parent_id');
}
public function gchildren()
{
return $this->hasMany('App\Menu', 'parent_id');
}
我的导航视图:
<ul class="navbar-nav">
@foreach($menus as $menuItem)
@if( $menuItem->parent_id == 0 )
<li class="nav-item p-relative">
<a class ="nav-link" href="{{ $menuItem->children->isEmpty() ? $menuItem->url : "#" }}">
{{ $menuItem->title }}
@if( ! $menuItem->children->isEmpty() )
<i class="fas fa-chevron-down"></i>
@endif
</a>
@if( ! $menuItem->children->isEmpty() )
<ul class="dropdown-menu">
@foreach($menuItem->children as $subMenuItem)
@if( ! $subMenuItem->status == 0 )
<li class="nav-item">
<a class="nav-link" href="{{ $subMenuItem->url }}">{{ $subMenuItem->title }}</a>
@if( ! $menuItem->gchildren->isEmpty() )
<ul class="dropdown-menu">
@foreach($menuItem->gchildren as $gchildItem)
@if( ! $gchildItem->status == 0 )
<li class="nav-item">
<a class="nav-link" href="{{ $gchildItem->url }}">{{ $gchildItem->title }}</a>
</li>
@endif
@endforeach
</ul>
@endif
</li>
@endif
@endforeach
</ul>
@endif
</li>
@endif
@endforeach
</ul>
这就是我得到的:
上面的图像中不应有下一个下拉列表.
There should not be a next dropdown in above image.
在我的数据库"中,只有两个父ID为3的条目,该ID已经是一个父
In My DB there are Only 2 entries for parent ID 3 which is already a parent
推荐答案
解决了该问题.谢谢大家的评论.
Fixed the issue. Thanks all for you comments.
删除了 gchildren
函数,并将导航视图中的代码更改为此:
Removed gchildren
function and changed code in nav view to this:
<ul class="dropdown-menu">
@foreach($menuItem->children as $subMenuItem)
@if( ! $subMenuItem->status == 0 )
<li class="nav-item"><a class="nav-link" href="{{ $subMenuItem->url }}">{{ $subMenuItem->title }}</a>
@if( ! $subMenuItem->children->isEmpty() )
<ul class="dropdown-menu">
@foreach($subMenuItem->children as $childItem)
@if( ! $childItem->status == 0 )
<li class="nav-item"><a class="nav-link" href="{{ $childItem->url }}">{{ $childItem->title }}</a></li>
@endif
@endforeach
</ul>
@endif
</li>
@endif
@endforeach
</ul>
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