在日期後+按鈕

<div class="col-md-12 ">

<div class="row form-group ">

<div class="col-md-2">

<label class="form-text text-right">發生日期</label>

</div>

<div class="col-md-4 col-sm-4 form-inline">

<input class="form-control" type="text">

<button type="button" class="btn pull-right style="margin-left: 15px;">

        選擇

</button>

</div>

</div>

</div>