我得到從控制器的JSON數據,並顯示在下拉選擇box.but當我得到空值在JSON我想顯示文本框的下拉列表。手動填寫數據。如何獲取文本框,而不是下拉選擇框,如果從json獲得空值
public function getyear(Request $request){
$appraisals=new Appraisals();
$serial=$_GET['ser'];
$brand=$_GET['brand'];
$year_array='';
$serial_number=$appraisals->get_years($brand,$serial);
if(isset($serial_number)):
foreach($serial_number as $years):
$yrs=$years->year_start;
$yre=$years->year_end;
endforeach;
endif;
if(!empty($serial_number)){
if($yrs!="" && $yre!=""){
for($i=$yrs;$i<=$yre;$i++):
$year_array.="<option value='".$i."'>".$i."</option>";
endfor;
}
}
else
{
//for($i=1840;$i<1940;$i++):
$year_array.="<input type='text' value=''>";
//endfor;
}
return response()->json(['success' => true,'years_array'=>$year_array]);
exit;
}
Java腳本函數:
$('#serial').blur(function() {
var ser=$(this).val();
var brand=$('#brand').val();
brand = brand.split('%') ;
$.getJSON("{!! URL::route('appraisal.getyear') !!}", {brand: brand[0],ser:ser}, function(data) {
if(data.success)
{
$('#year').html(data.years_array);
}
});
});
視圖文件:
<div class="form-group">
<label>Serial number</label>
{{Form::text('serial_number', null, ['placeholder' => 'Enter serial no','class'=>'form-control','id'=>'serial'])}}
</div>
<div class="form-group" id="yeartext">
<label>Select Year</label>
<span class="years"></span>
@if($years=="")
{{Form::text('year', null, ['placeholder' => 'Enter Year no','class'=>'form-control','id'=>'year'])}}
@else
{{Form::select('year',$years, null, ['placeholder' => 'Pick a year','class'=>'form-control','id'=>'year'])}}
@endif
</div>
如何顯示文本框,而不是選擇框我沒有得到任何教程,因此任何幫助將是大大地appricated。
只是試試if(strlen($ year))true show select顯示文本框 – umefarooq