【Layui】select根据后台返回数据显示到下拉框

1.  	<div class="layui-inline">
            <label class="layui-form-label" style="color: #666666">信道:</label>
            <div class="layui-input-block">
                <select name="sendQueueChannel" id="sendQueueChannel" lay-verify="required">
                    <option value=""></option>
                </select>
            </div>
        </div>
   

<script type="text/javascript">

layui.use(['layer', 'form', 'table', 'layedit', 'laydate', 'jquery'], function () {
        var form = layui.form,
            laydate = layui.laydate,
            layer = layui.layer,
            $ = layui.jquery;

//页面打开时异步加载数据,查询信道
        $(function () {
           $.ajax({
               type: "POST",
               // url: "/admin/devData/getSendQueueShowChannel",
               url: "/admin/devData/getAllChannel",
               success: function (data) {
                   $.each(data, function (index, item) {
                       // alert(index);
                       // alert(item);
                       $("#sendQueueChannel").append(new Option(item));
                   });
                   layui.form.render("select");
               },error: function () {
                   alert("查询信道失败")
               }
           })
        });
});
</script>