class="layui-form"：
<form class="layui-form" action="">
    <div class="layui-form-item">
        <label class="layui-form-label">输入框</label>
        <div class="layui-input-block">
            <input type="text" name="title" required  lay-verify="required" placeholder="请输入标题" autocomplete="off" class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">密码框</label>
        <div class="layui-input-inline">
            <input type="password" name="password" required lay-verify="required" placeholder="请输入密码" autocomplete="off" class="layui-input">
        </div>
        <div class="layui-form-mid layui-word-aux">辅助文字</div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">选择框</label>
        <div class="layui-input-block">
            <select name="city" lay-verify="required">
                <option value="">请选择城市</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">复选框</label>
        <div class="layui-input-block">
            <input type="checkbox" name="like[write]" title="写作">
            <input type="checkbox" name="like[read]" title="阅读" checked>
            <input type="checkbox" name="like[dai]" title="发呆">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">开关</label>
        <div class="layui-input-block">
            <input type="checkbox" name="switch" lay-skin="switch">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">单选框</label>
        <div class="layui-input-block">
            <input type="radio" name="sex" value="男" title="男">
            <input type="radio" name="sex" value="女" title="女" checked>
        </div>
    </div>
    <div class="layui-form-item layui-form-text">
        <label class="layui-form-label">文本域</label>
        <div class="layui-input-block">
            <textarea name="desc" placeholder="请输入内容" class="layui-textarea"></textarea>
        </div>
    </div>
    <div class="layui-form-item">
        <div class="layui-input-block">
            <button class="layui-btn layui-btn-lg" lay-submit lay-filter="formDemo">立即提交</button>
            <button type="button" class="layui-btn" id="test1">
                <i class="layui-icon">&#xe67c;</i>上传图片
            </button>
        </div>
    </div>
</form>
<script>
    // 必须要导入form模块，才能保证表单正常渲染
    layui.use('form', function(){
        var form = layui.form;
        //监听提交
        form.on('submit(formDemo)', function(data){// data就是表单中的所有数据
            layer.msg(JSON.stringify(data.field));
            return false;
        });
    });
</script>

3.5：数据表单

3.5.1：动态表格

• 数据表格：

<table id="demo" lay-filter="test"></table>
<script>
    // 必须要导入 table模块 layui.use('table',...)
    layui.use('table', function(){
        var table = layui.table;
        // 为表格填充数据
        table.render({
            elem: '#demo'
            ,height: 312
            ,url: '${pageContext.request.contextPath}/data‘ //获取数据
            ,page: true //开启分页
            ,cols: [[ //表头
                {field:'id', width:80, title: 'ID', sort: true}
                ,{field:'username', width:80, title: '用户名'}
                ,{field:'sex', width:80, title: '性别', sort: true}
                ,{field:'city',  title: '城市'} //没定义宽度则占满剩余所有宽度，都不定义则所有列均分
                ,{field:'score',width:80, title: '评分', sort: true}
            ]]
        });

    });
</script>

{"msg":"no data",
"code":0,
"data":[{"id":1,"username":"shine1","sex":"男","city":"保定","score":100},
{"id":2,"username":"shine2","sex":"女","city":"石家庄","score":100},
{"id":3,"username":"shine3","sex":"男","city":"邢台","score":100}],
"count":100}

<script>
    layui.use("table",function(){
        var table = layui.table;
        table.render({
            elem: '#demo'，
            url:'${pageContext.request.contextPath}/data,
        cols:[[...]],
        page:{limit:1//每页显示1条
            ,limits:[1,2,3] //可选每页条数
            ,first: '首页' //首页显示文字，默认显示页号
            ,last: '尾页'
            ,prev: '<em>←</em>' //上一页显示内容，默认显示 > <
            ,next: '<i class="layui-icon layui-icon-next"></i>'
            ,layout:['prev', 'page', 'next','count','limit','skip','refresh'] //自定义分页布局
        },
    });
    });
</script>

<script>
    layui.use("table",function(){
        var table = layui.table;
        table.render({
            elem: '#demo'，
            toolbar:true,
                url:'${pageContext.request.contextPath}/data,
        cols:[[...]],
        page:{...},
    });
    });
</script>

<script>
    layui.use(["table","laytpl"],function(){
        var table = layui.table;
        table.render({
            elem: '#demo'，
            url:'${pageContext.request.contextPath}/data,
        cols: [[ //表头
            {field: 'id', title: 'ID', width:80, sort: true, fixed: 'left'}
            ,{field: 'username', title: '用户名', width:80}
            ,{field: 'sex', title: '性别', width:80, sort: true}
            ,{field: 'city', title: '城市'}
            ,{field: 'score', title: '评分', width: 80, sort: true}
            ,{field:"right",title:"操作",toolbar: '#barDemo'}
        ]],
    ...
    });
    });
</script>
<!-- 如下script可以定义在页面的任何位置 -->
<script type="text/html" id="barDemo">
    <a class="layui-btn layui-btn-xs" lay-event="edit">编辑</a>
    <a class="layui-btn layui-btn-danger layui-btn-xs" lay-event="del">删除</a>
</script>

<table id="demo" lay-filter="test"></table>
<script>
    layui.use("table",function(){
        table = layui.table;
        table.rander({...});
        //注：tool 是工具条事件名，test 是 table 原始容器的属性 lay-filter="对应的值"
        table.on('tool(test)', function(obj){
            var data = obj.data; //获得当前行数据
            //获得 lay-event 对应的值（也可以是表头的 event 参数对应的值）
            var layEvent = obj.event;
            var tr = obj.tr; //获得当前行 tr 的 DOM 对象（如果有的话）
            if(layEvent === 'del'){ //删除
                layer.confirm('真的删除行么', function(index){
                    // 向服务端发送删除请求
                    // 此处可以发送ajax
                    obj.del(); //删除对应行（tr）的DOM结构
                    layer.close(index);
                });
            } else if(layEvent === 'edit'){ //编辑
                // 向服务端发送更新请求
                // 同步更新缓存对应的值
                obj.update({
                    username: 'shine001',
                    city: '北京',
                    sex:'女',
                    score:99});
            }
        });
    });
</script>

<ul class="layui-nav layui-nav-tree" lay-filter="">
    <li class="layui-nav-item"><a href="">最新活动</a></li>
    <li class="layui-nav-item layui-this"><a href="">产品</a></li>
    <li class="layui-nav-item"><a href="">大数据</a></li>
    <li class="layui-nav-item">
        <a href="javascript:;">解决方案</a>
        <dl class="layui-nav-child"> <!-- 二级菜单 -->
            <dd><a href="">移动模块</a></dd>
            <dd><a href="">后台模版</a></dd>
            <dd><a href="">电商平台</a></dd>
        </dl>
    </li>
    <li class="layui-nav-item"><a href="">社区</a></li>
</ul>
<script>
    //注意：导航 依赖 element 模块，否则无法进行功能性操作
    layui.use('element', function(){});
</script>

<!-- 整个div会在页面显示时，以特定动画显示出来 -->
<div class="layui-anim layui-anim-up" style="height: 100px">aa</div>
<!-- 额外添加样式类：layui-anim-loop 使得动画循环运行 -->
<div class="layui-anim layui-anim-rotate layui-anim-loop"
     style="text-align:center;line-height: 100px;margin-left:50px;height: 100px;width:100px">bb</div>

<script>
    // 导入 layer模块
    layui.use(["layer"],function(){
        var layer = layui.layer;
        layer.msg("hello world!!");
        layer.msg("确定吗？",{btn:["确定！","放弃！"],
            yes:function(i){layer.close(i);layer.msg("yes!!!")},
            btn2:function(i){layer.close(i);layer.msg("no!!!")}}
        );
    });
</script>

<script>
    // 导入 layer模块  
    layui.use(["layer"],function(){
        var layer = layui.layer;
        //0-6 7种图标  0:warning  1:success  2:error  3:question  4:lock  5:哭脸  6：笑脸
        layer.alert("alert弹框蓝",
            {title:'alert',icon:6 },
            function(){//点击“确定”按钮时的回调
                layer.msg("好滴");
            }
        );
    });
</script>

<script>
    // 导入 layer模块  
    layui.use(["layer"],function(){
        var layer = layui.layer;
        layer.confirm("hello world~",
            {shade:false,icon:3,btn:["好滴","不行"]},
            function(){layer.msg("好滴！");},
            function(){layer.msg("不行！")}
        );
    });
</script>

<script>
    layui.use(["layer"],function(){
        layer = layui.layer;
        layer.open({
            type:1,// 消息框，没有确定按钮
            title:["hello","padding-left:5px"], // 标题，及标题样式
            content:layui.$("#testmain"), // dom格式
            offset:'rb',//可以在右下角显示
            shade:false //是否遮罩
        });
        layer.open({
            type:2,// iframe加载，需要一个url
            content:"${pageContext.request.contextPath}/xx"
        });
    });
</script>
<div id="testmain" style="display:none;padding:10px; height: 173px; width: 275px;">
    hello world!
</div>

<form class="layui-form layui-form-pane" action="" method="post">
    <!-- layui-form-item 一个输入项-->
    <div class="layui-form-item">
        <label class="layui-form-label">生日</label>
        <!-- layui-input-block 输入框会占满除文字外的整行 -->
        <div class="layui-input-block">
            <input readonly id="birth" type="text" name="birth" placeholder="请选择生日日期" autocomplete="off" class="layui-input">
        </div>
    </div>
</form>
<script>
    layui.use(["laydate","form"],function(){
        var laydate = layui.laydate;
        //执行一个laydate实例
        laydate.render({
            elem: '#birth', //指定元素
            format:'yyyy/MM/dd',
            value:'2012/12/12' //默认值
            // value:new Date() //默认值
        });
    });
</script>

<form class="layui-form layui-form-pane" th:action="@{/abc}" method="post">
    <!-- layui-form-item 一个输入项-->
    <div class="layui-form-item">
        <label class="layui-form-label">username</label>
        <!-- layui-input-block 输入框会占满除文字外的整行 -->
        <div class="layui-input-block">
            <input id="birth" type="text" name="username" class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <div class="layui-input-block">
            <button type="button" class="layui-btn" id="test1">
                <i class="layui-icon">&#xe67c;</i>上传图片
            </button>
        </div>
    </div>
</form>
<script>
    layui.use(['upload','layer'], function(){
        var upload = layui.upload;
        //执行实例
        var uploadInst = upload.render({
            elem: '#test1' //绑定元素
            ,url: '/data.jsp' //上传接口
            ,accept:'file' // file代表所有文件，默认是images代表图片
            ,size:100 // 文件最大100kb
            ,done: function(res){
                //上传完毕回调
                layui.layer.msg("ok");
            }
            ,error: function(){
                //请求异常回调
                layui.layer.msg("error");
            }
        });
    });
</script>

<div class="layui-carousel" id="test1">
    <div carousel-item style="text-align: center;line-height: 280px">
        <div>条目1</div>
        <div>条目2</div>
        <div>条目3</div>
        <div>条目4</div>
        <div>条目5</div>
    </div>
</div>
<script>
    layui.use(['carousel'], function(){
        var carousel = layui.carousel;
        //建造实例
        carousel.render({
            elem: '#test1'
            ,width: '100%' //设置容器宽度
            ,arrow: 'always' //始终显示箭头
        });
    });
</script>