<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<link href="../layui/css/layui.css" rel="stylesheet" />
<script src="../layui/layui.js"></script>
<script src="../layui/jquery-3.3.1.js"></script>
<title></title>
</head>
<body>
<form class="layui-form" action="">
<div>
<div class="layui-form-item">
<label class="layui-form-label">选择city</label>
<div class="layui-input-block">
<select name="cityname" id="cityid" lay-verify="required" lay-filter="cityfilter">
<option value=""></option>
<option value="0">北京</option>
<option value="1">上海</option>
<option value="2">广州</option>
<option value="3">深圳</option>
<option value="4">杭州</option>
</select>
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">选择区域</label>
<div class="layui-input-block">
<select name="quyuname" id="quyuid" lay-verify="required" lay-filter="quyufilter"></select>
</div>
</div>
</div>
<script>
layui.use('form', function () {
var form = layui.form;
layui.form.on('select(cityfilter)', function (data) {
if (data.value == "") {
$('#quyuid').html('<option value="">请选择区域</option>');
layui.form.render("select");
}
else {
if (data.value == "0") {
$('#quyuid').html('<option value="">请选择区域</option>')
$('#quyuid').append(new Option("北京1", 0));
$('#quyuid').append(new Option("北京2", 1));
$('#quyuid').append(new Option("北京3", 2));
$('#quyuid').append(new Option("北京4", 3));
}
else if (data.value == "1") {
$('#quyuid').html('<option value="">请选择区域</option>')
$('#quyuid').append(new Option("上海1", 0));
$('#quyuid').append(new Option("上海2", 1));
$('#quyuid').append(new Option("上海3", 2));
$('#quyuid').append(new Option("上海4", 3));
}
else if (data.value == "2") {
$('#quyuid').html('<option value="">请选择区域</option>')
$('#quyuid').append(new Option("广州1", 0));
$('#quyuid').append(new Option("广州2", 1));
$('#quyuid').append(new Option("广州3", 2));
$('#quyuid').append(new Option("广州4", 3));
}
else if (data.value == "3") {
$('#quyuid').html('<option value="">请选择区域</option>')
$('#quyuid').append(new Option("深圳1", 0));
$('#quyuid').append(new Option("深圳2", 1));
$('#quyuid').append(new Option("深圳3", 2));
$('#quyuid').append(new Option("深圳4", 3));
}
else if (data.value == "4") {
$('#quyuid').html('<option value="">请选择区域</option>')
$('#quyuid').append(new Option("杭州1", 0));
$('#quyuid').append(new Option("杭州2", 1));
$('#quyuid').append(new Option("杭州3", 2));
$('#quyuid').append(new Option("杭州4", 3));
}
layui.form.render("select");
//$.getJSON('@Url.Action("GetSelectCommunity", "Values", new { httproute = "DefaultApi", area = "" })' + "?id=" + data.value, function (data) {
// $('#ownscommunityId1').html('<option value="">请选择社区/村</option>')
// $.each(data, function (index, item) {
// $('#ownscommunityId1').append(new Option(item.Name, item.Code));// 下拉菜单里添加元素
// });
// layui.form.render("select");
//});
}
});
});
</script>
</form>
</body>
</html>
******注意：1.依赖加载模块： form（请注意：如果不加载form模块，select、checkbox、radio等将无法显示，并且无法使用form相关功能）
2.标签 form必不可少 否则下拉框 复选框等相关样式无法显示
