Drop down box for implementation

mapper

service

controller

html

<div class="form-group">
	<label class="col-sm-3 control-label"> Employee number ：</label>
		<div class="col-sm-8">
			<select id="mystaff" name="mystaff" class="form-control select2-multiple">
				<option value=""></option>
                <option th:each="post:${staff}" th:value="${post.staffId}" th:text="${post.staffId}" ></option>
            </select>
		</div>
</div>

$(function () {
    
	$('#myvip').select2({
    
		placeholder: " Please select a member number ",
		allowClear: true
	});
})