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我創建了一個搜索表單,可以有3個參數來搜索數據庫並返回結果。表單中的所有參數或表單字段都是下拉菜單。從搜索表單中搜索一個參數,可以帶多個參數Laravel
表單代碼:
{!!Form::open(['route' => 'search','class' => 'form-inline pull-left', 'id' => 'search-form', 'method' => 'GET', 'role' => 'search'])!!}
<select class=" form-control" name="country">
<option> Select Country</option>
@foreach($countries as $country)
<option value="{{$country->name}}">{{ucfirst($country->name)}}</option>
@endforeach
</select>
<select class=" form-control" name="category">
<option value="">Select Activity</option>
@foreach($categories as $category)
<option value="{{$category->name}}">{{ucfirst($category->name)}}</option>
@endforeach
</select>
<select class=" form-control" name="days">
<option value="">Select Duration (Days)</option>
<option value="1|5">1-5</option>
<option value="10|15">10-15</option>
<option value="20|30">20-30</option>
<option value="30|60">30-Above</option>
</select>
{{ Form::submit('Search', ['class' => 'btn btn-primary btn-lg','id' => 'search'])}}
{!! Form::close() !!}
我在控制器的方法只有一個參數來搜索:
public function search(Request $request)
{
$days = $request->days;
$days_explode = explode('|', $days);
if (isset($request->country) && !isset($request->category) && !isset($request->days)) {
$query= Tour::whereHas('country', function($r) use($request) {
$r->where('name','=', $request->country);
})
->paginate(8);
return view('public.tour.list')->withResults($query);
}
else{
$query= Tour::whereHas('country', function($r) use($request) {
$r->where('countries.name','=', $request->country);
})
->whereHas('category', function($s) use($request) {
$s->where('categories.name','=', $request->category);
})
->whereHas('country', function($r) use($request) {
$r->where('countries.name','=', $request->country);
})
->whereBetween('days', [$days_explode[0], $days_explode[1]])
->paginate(8);
return view('public.tour.list')->withResults($query);
}
我試圖讓我的形式靈活。它應該返回1,2或3參數是否傳遞給它的結果。使用上面的代碼,如果所有3個參數都傳遞給它,表單將返回結果。如果只有一個參數傳遞給它,則會給出錯誤Undefined offset: 1
。
在你編寫上面的代碼。參數[days]必須在表單右側選擇? –
我想我應該去依賴下拉列表:D –
@ZacharyDale如果你想使這個或任何其他參數可選,也把它放入'if'子句中。 –