Laravel不会返回小类导致

我添加子类别我与这里Adding subcategories to laravel 5.4帮助应用程序，在此之前，在category我的搜索基础工作就好了，现在我试图改变我的subcategory搜索库，并没有返回结果。Laravel不会返回小类导致

这里是我的搜索功能：

public function search() 
{ 
    $searchTitle = request('title'); 
    $searchCategory = request('subcategory'); 
    $searchLocation = request('location'); 

    $ads = null; 

    if($searchTitle || $searchCategory || $searchLocation) { 
     $ads = Ad::when($searchTitle, function ($query) use ($searchTitle) { 
       return $query->where('title', 'like', "%{$searchTitle}%") 
        ->orWhere('description', 'like', "%{$searchTitle}%"); 
      }) 
      ->when($searchCategory, function ($query) use ($searchCategory) { 
       return $query->whereHas('subcategory', function ($query) use ($searchCategory) { 
        $query->where('id', $searchCategory); 
       }); 
      }) 
      ->when($searchLocation, function ($query) use ($searchLocation) { 
       return $query->whereHas('location', function ($query) use ($searchLocation) { 
        $query->where('id', $searchLocation); 
       }); 
      }) 
      ->paginate(10) 
      ->appends(request()->query()); 
    } 

    return view('search-result', compact('ads')); 
}

这是我的搜索表单类部分：

<label data-toggle="tooltip" data-placement="top" title="select category" class="sr-only mr-sm-2" for="inlineFormCustomSelect">Category</label> 
       <select name="subcategory_id" data-toggle="tooltip" data-placement="top" title="select category" 
         class="custom-select mb-2 mr-sm-2 mb-sm-0" id="inlineFormCustomSelect"> 
         <option value="">Select category</option> 
         @foreach ($categories as $category) 
         <optgroup label="{{ $category->name }}"> 
          @foreach($category->subcategories as $sub) 
           <option value="{{ $sub->id }}">{{ $sub->name }}</option> 
          @endforeach 
         </optgroup> 
         @endforeach 
       </select>

我尝试了许多变化，并与万亩功能码播放，但没有仍将返回no results!错误。

来源

2017-06-01 djhru

你试过DD知道你从那个查询中得到什么？ –

@PrafullaKumarSahu没有我应该把dd（）和什么属性？！ – djhru

删除分页并尝试dd（$ ads）。 –

可能应该工作

$ads = Ad::when($searchTitle, function ($query) use ($searchTitle) { 
    return $query->where('title', 'like', '%'.$searchTitle.'%') 
     ->orWhere('description', 'like', '%'.$searchTitle.'%'); 
}) 
->when($searchCategory, function ($query) use ($searchCategory) { 
    return $query->whereHas('subcategory', function ($q) use ($searchCategory) { 
     $q->where('id', $searchCategory); 
    }); 
}) 
->when($searchLocation, function ($query) use ($searchLocation) { 
    return $query->whereHas('location', function ($q) use ($searchLocation) { 
     $q->where('id', $searchLocation); 
    }); 
}) 
->paginate(10) 
->appends(request()->query());

也不要忘记你输入的名字..它应该是对应于请求..

来源

2017-06-02 03:42:58 Demonyowh

不工作..... – djhru

感谢现在工作的人:) – djhru

Laravel不会返回小类导致

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