我是Laravel的新人, 我想使用with子句
从模型中的控制器传递$ id我的模特
class Menucategory extends Model
{
protected $fillable = ['title', 'parent_id', 'restaurant_id'];
// loads only direct children - 1 level
public function children()
{
return $this->hasMany('App\Menucategory', 'parent_id');
}
// recursive, loads all descendants
public function childrenRecursive()
{
return $this->children()->with('childrenRecursive');
}
}
我的控制器
public function show($id)
{
$menucatagories = Menucategory::with('childrenRecursive')->where('restaurant_id',$id)->where('parent_id','0')->get();
return $menucatagories;
}
我当前的输出是
[
{
"id": 1,
"title": "TestMenu Parant",
"parent_id": 0,
"restaurant_id": 12,
"children_recursive": [
{
"id": 2,
"title": "TestMenu SubCat1",
"parent_id": 1,
"restaurant_id": 12,
"children_recursive": [
{
"id": 6,
"title": "TestMenu other sub cat",
"parent_id": 2,
*******************
"restaurant_id": 13,
*******************
"children_recursive": []
},
{
"id": 7,
"title": "TestMenu other sub cat",
"parent_id": 2,
"restaurant_id": 12,
"children_recursive": []
}
]
},
{
"id": 3,
"title": "TestMenu SubCat2",
"parent_id": 1,
"restaurant_id": 12,
"children_recursive": []
}
]
}
]
我通过了$id=12
,但问题是我在我的子数组中得到了其他人restaurant_id
的值,但如果我使用它,则会显示正确的jSON
public function childrenRecursive()
{
$id=12;
return $this->children()->with('childrenRecursive')->where('restaurant_id',$id);
}
我的问题是如何将$ id从控制器传递给模型,还是有其他方法?
答案 0 :(得分:1)
您的childrenRecursive
完全没有错。
这里有一个简单的例子:https://stackoverflow.com/a/18600698/2160816
所以我认为这应该有用
public function childrenRecursive($id = 12){
return $this->children()->where('restaurant_id',$id)->with('childrenRecursive');
}
您的控制器可以调用
public function show($id)
{
$menucatagories = Menucategory::where('parent_id','0')->childrenRecursive(12)->get();
return $menucatagories;
}
我无法测试它,所以它可能不会100%
答案 1 :(得分:0)
您可以通过以下方式在控制器中自行控制参数。
public function show($id)
{
$menucatagories =Menucategory::with(array('childrenRecursive'=>function($query) use ($id){
$query->select()->where('restaurant_id',$id);
}))
->where('restaurant_id',$id)->where('parent_id','0')->get();
return $menucatagories;
}