【Layui】16 表单元素 Form

文档地址：

https://www.layui.com/demo/form.html

表单元素：

1、输入框

2、密码框

3、下拉列表

4、单选框

5、复选框

6、文档域

7、富文本

8、开关

单行输入框：

<div class="layui-form-item">
    <label class="layui-form-label">用户名</label>
    <div class="layui-input-block">
        <input type="text" name="username" lay-verify="title" autocomplete="off" placeholder="用户名" class="layui-input">
    </div>
</div>

<div class="layui-form-item">
    <label class="layui-form-label">密码</label>
    <div class="layui-input-block">
        <input type="password" name="password" lay-verify="title" autocomplete="off" placeholder="密码" class="layui-input">
    </div>
</div>

行内输入框：

非完全行内输入

使用类属性layui-inline进行容器元素渲染实现

<div class="layui-form-item">
    <div class="layui-inline">
        <label class="layui-form-label">多规则验证</label>
        <div class="layui-input-inline">
            <input type="text" name="number" lay-verify="required|number" autocomplete="off" class="layui-input">
        </div>
    </div>
    <div class="layui-inline">
        <label class="layui-form-label">验证日期</label>
        <div class="layui-input-inline">
            <input type="text" name="date" id="date" lay-verify="date" placeholder="yyyy-MM-dd" autocomplete="off" class="layui-input">
        </div>
    </div>
    <div class="layui-inline">
        <label class="layui-form-label">验证链接</label>
        <div class="layui-input-inline">
            <input type="tel" name="url" lay-verify="url" autocomplete="off" class="layui-input">
        </div>
    </div>
</div>

身份证验证：

<div class="layui-form-item">
    <label class="layui-form-label">验证身份证</label>
    <div class="layui-input-block">
        <input type="text" name="identity" lay-verify="identity" placeholder="" autocomplete="off" class="layui-input">
    </div>
</div>

自定义验证：

<div class="layui-form-item">
    <label class="layui-form-label">自定义验证</label>
    <div class="layui-input-inline">
      <input type="password" name="password" lay-verify="pass" placeholder="请输入密码" autocomplete="off" class="layui-input">
    </div>
    <div class="layui-form-mid layui-word-aux">请填写6到12位密码</div>
  </div>

JS代码：

        //自定义验证规则
        form.verify({
            title: function(value){
                if(value.length < 5){
                    return '标题至少得5个字符啊';
                }
            }
            ,pass: [
                /^[S]{6,12}$/
                ,'密码必须6到12位，且不能出现空格'
            ]
            ,content: function(value){
                layedit.sync(editIndex);
            }

取值范围：

<div class="layui-form-item">
    <div class="layui-inline">
      <label class="layui-form-label">范围</label>
      <div class="layui-input-inline" style=" 100px;">
        <input type="text" name="price_min" placeholder="￥" autocomplete="off" class="layui-input">
      </div>
      <div class="layui-form-mid">-</div>
      <div class="layui-input-inline" style=" 100px;">
        <input type="text" name="price_max" placeholder="￥" autocomplete="off" class="layui-input">
      </div>
    </div>
  </div>

下拉列表：

单行下拉列表：

<div class="layui-form-item">
    <label class="layui-form-label">单行选择框</label>
    <div class="layui-input-block">
      <select name="interest" lay-filter="aihao">
        <option value=""></option>
        <option value="0">写作</option>
        <option value="1" selected="">阅读</option>
        <option value="2">游戏</option>
        <option value="3">音乐</option>
        <option value="4">旅行</option>
      </select>
    </div>
  </div>

分组下拉，搜索下拉

<div class="layui-form-item">
    <div class="layui-inline">
      <label class="layui-form-label">分组选择框</label>
      <div class="layui-input-inline">
        <select name="quiz">
          <option value="">请选择问题</option>
          <optgroup label="城市记忆">
            <option value="你工作的第一个城市">你工作的第一个城市</option>
          </optgroup>
          <optgroup label="学生时代">
            <option value="你的工号">你的工号</option>
            <option value="你最喜欢的老师">你最喜欢的老师</option>
          </optgroup>
        </select>
      </div>
    </div>
    <div class="layui-inline">
      <label class="layui-form-label">搜索选择框</label>
      <div class="layui-input-inline">
        <select name="modules" lay-verify="required" lay-search="">
          <option value="">直接选择或搜索选择</option>
          <option value="1">layer</option>
          <option value="2">form</option>
          <option value="3">layim</option>
          <option value="4">element</option>
          <option value="5">laytpl</option>
          <option value="6">upload</option>
          <option value="7">laydate</option>
          <option value="8">laypage</option>
          <option value="9">flow</option>
          <option value="10">util</option>
          <option value="11">code</option>
          <option value="12">tree</option>
          <option value="13">layedit</option>
          <option value="14">nav</option>
          <option value="15">tab</option>
          <option value="16">table</option>
          <option value="17">select</option>
          <option value="18">checkbox</option>
          <option value="19">switch</option>
          <option value="20">radio</option>
        </select>
      </div>
    </div>
  </div>

联动下拉【没有联动交互】

<div class="layui-form-item">
    <label class="layui-form-label">联动选择框</label>
    <div class="layui-input-inline">
      <select name="quiz1">
        <option value="">请选择省</option>
        <option value="浙江" selected="">浙江省</option>
        <option value="你的工号">江西省</option>
        <option value="你最喜欢的老师">福建省</option>
      </select>
    </div>
    <div class="layui-input-inline">
      <select name="quiz2">
        <option value="">请选择市</option>
        <option value="杭州">杭州</option>
        <option value="宁波" disabled="">宁波</option>
        <option value="温州">温州</option>
        <option value="温州">台州</option>
        <option value="温州">绍兴</option>
      </select>
    </div>
    <div class="layui-input-inline">
      <select name="quiz3">
        <option value="">请选择县/区</option>
        <option value="西湖区">西湖区</option>
        <option value="余杭区">余杭区</option>
        <option value="拱墅区">临安市</option>
      </select>
    </div>
    <div class="layui-form-mid layui-word-aux">此处只是演示联动排版，并未做联动交互</div>
  </div>

复选框：

<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[game]" title="游戏">
    </div>
  </div>
  
  <div class="layui-form-item" pane="">
    <label class="layui-form-label">原始复选框</label>
    <div class="layui-input-block">
      <input type="checkbox" name="like1[write]" lay-skin="primary" title="写作" checked="">
      <input type="checkbox" name="like1[read]" lay-skin="primary" title="阅读">
      <input type="checkbox" name="like1[game]" lay-skin="primary" title="游戏" disabled="">
    </div>
  </div>

开关设置

<div class="layui-form-item">
    <label class="layui-form-label">开关-默认关</label>
    <div class="layui-input-block">
      <input type="checkbox" name="close" lay-skin="switch" lay-text="ON|OFF">
    </div>
  </div>
  <div class="layui-form-item">
    <label class="layui-form-label">开关-默认开</label>
    <div class="layui-input-block">
      <input type="checkbox" checked="" name="open" lay-skin="switch" lay-filter="switchTest" lay-text="ON|OFF">
    </div>
  </div>

单选框：

  <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" checked="">
      <input type="radio" name="sex" value="女" title="女">
      <input type="radio" name="sex" value="禁" title="禁用" disabled="">
    </div>
  </div>

文本域：

普通文本域：

<div class="layui-form-item layui-form-text">
    <label class="layui-form-label">普通文本域</label>
    <div class="layui-input-block">
      <textarea placeholder="请输入内容" class="layui-textarea"></textarea>
    </div>
  </div>

编辑器：

<div class="layui-form-item layui-form-text">
    <label class="layui-form-label">编辑器</label>
    <div class="layui-input-block">
        <textarea class="layui-textarea layui-hide" name="content" lay-verify="content" id="LAY_demo_editor"></textarea>
    </div>
</div>

<script type="text/javascript">
    layui.use(['form', 'layedit', 'laydate'], function(){
        let form = layui.form;
        let layer = layui.layer;
        let layedit = layui.layedit;
        let laydate = layui.laydate;

        //创建一个编辑器
        let editIndex = layedit.build('LAY_demo_editor');
</script>

提交按钮，重置按钮：

<div class="layui-form-item">
    <div class="layui-input-block">
      <button type="submit" class="layui-btn" lay-submit="" lay-filter="demo1">立即提交</button>
      <button type="reset" class="layui-btn layui-btn-primary">重置</button>
    </div>
  </div>

JS补充：

<script>
layui.use(['form', 'layedit', 'laydate'], function(){
  var form = layui.form
  ,layer = layui.layer
  ,layedit = layui.layedit
  ,laydate = layui.laydate;
  
  //日期
  laydate.render({
    elem: '#date'
  });
  laydate.render({
    elem: '#date1'
  });
  
  //创建一个编辑器
  var editIndex = layedit.build('LAY_demo_editor');
 
  //自定义验证规则
  form.verify({
    title: function(value){
      if(value.length < 5){
        return '标题至少得5个字符啊';
      }
    }
    ,pass: [
      /^[S]{6,12}$/
      ,'密码必须6到12位，且不能出现空格'
    ]
    ,content: function(value){
      layedit.sync(editIndex);
    }
  });
  
  //监听指定开关
  form.on('switch(switchTest)', function(data){
    layer.msg('开关checked：'+ (this.checked ? 'true' : 'false'), {
      offset: '6px'
    });
    layer.tips('温馨提示：请注意开关状态的文字可以随意定义，而不仅仅是ON|OFF', data.othis)
  });
  
  //监听提交
  form.on('submit(demo1)', function(data){
    layer.alert(JSON.stringify(data.field), {
      title: '最终的提交信息'
    })
    return false;
  });
 
  //表单赋值
  layui.$('#LAY-component-form-setval').on('click', function(){
    form.val('example', {
      "username": "贤心" // "name": "value"
      ,"password": "123456"
      ,"interest": 1
      ,"like[write]": true //复选框选中状态
      ,"close": true //开关状态
      ,"sex": "女"
      ,"desc": "我爱 layui"
    });
  });
  
  //表单取值
  layui.$('#LAY-component-form-getval').on('click', function(){
    var data = form.val('example');
    alert(JSON.stringify(data));
  });
  
});
</script>