moxunpw
/
layui_toolnb


			
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>镜像站@表单 - 页面元素 - Layui</title>
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<ul class="site-dir">
  <li><a href="#use"><cite>小睹为快</cite></a></li>
  <li><a href="#input"><cite>输入框</cite></a></li>
  <li><a href="#select"><cite>下拉选择框</cite></a></li>
  <li><a href="#checkbox"><cite>复选框</cite></a></li>
  <li><a href="#switch"><cite>开关</cite></a></li>
  <li><a href="#radio"><cite>单选框</cite></a></li>
  <li><a href="#textarea"><cite>文本域</cite></a></li>
  <li><a href="#inline"><cite>组装行内表单</cite></a></li>
  <li><a href="#ignore"><cite>忽略美化</cite></a></li>
  <li><a href="#pane"><cite>表单方框风格</cite></a></li>
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<div class="layui-col-md3">
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    <ul class="layui-menu layui-menu-lg">
      <li class="layui-menu-item-group" lay-options="{type: 'group', isAllowSpread: true}">
        <div class="layui-menu-body-title">
          基础说明
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            <div class="layui-menu-body-title">
              <a href="../index.html" tppabs="http://www.layui.com/doc/">
                <span>开始使用 </span> 
                <span class="layui-font-12 layui-font-gray">Getting Started</span>
              </a>
              
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../base/infrastructure.html" tppabs="http://www.layui.com/doc/base/infrastructure.html">
                <span>底层方法 </span>
                <span class="layui-font-12 layui-font-gray">基础支撑</span>
              </a>
            </div>
          </li>
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            <div class="layui-menu-body-title">
              <a href="../base/element.html" tppabs="http://www.layui.com/doc/base/element.html">
                <span>页面元素 </span>
                <span class="layui-font-12 layui-font-gray">规范 公共类 属性</span>
              </a>
            </div>
          </li>
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            <div class="layui-menu-body-title">
              <a href="../base/modules.html" tppabs="http://www.layui.com/doc/base/modules.html">
                <span>模块规范 </span>
                <span class="layui-font-12 layui-font-gray">使用 扩展</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../base/faq.html" tppabs="http://www.layui.com/doc/base/faq.html">
                <span>常见问题 </span>
                <span class="layui-font-12 layui-font-gray">FAQ</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../base/changelog.html" tppabs="http://www.layui.com/doc/base/changelog.html">
                <span>更新日志 </span>
                <span class="layui-font-12 layui-font-gray">changelog</span>
                
                  <span class="layui-badge-dot"></span>
                
              </a>
            </div>
          </li>
        </ul>
      </li>
      
      <li class="layui-menu-item-group" lay-options="{type: 'group', isAllowSpread: true}">
        <div class="layui-menu-body-title">
          页面元素
        </div>
        <hr>
        <ul>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="layout.html" tppabs="http://www.layui.com/doc/element/layout.html">
                <span>布局 </span>
                <span class="layui-font-12 layui-font-gray">栅格 后台管理布局</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="color.html" tppabs="http://www.layui.com/doc/element/color.html">
                <span>颜色 </span>
                <span class="layui-font-12 layui-font-gray">主色调 颜色搭配</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="icon.html" tppabs="http://www.layui.com/doc/element/icon.html">
                <span>图标 </span>
                <span class="layui-font-12 layui-font-gray">iconfont 字体图标</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="anim.html" tppabs="http://www.layui.com/doc/element/anim.html">
                <span>动画 </span>
                <span class="layui-font-12 layui-font-gray">内置 CSS3 动画</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="button.html" tppabs="http://www.layui.com/doc/element/button.html">
                <span>按钮 </span>
                <span class="layui-font-12 layui-font-gray">button</span>
              </a>
            </div>
          </li>
          <li class="layui-menu-item-checked2">
            <div class="layui-menu-body-title">
              <a href="form.html" tppabs="http://www.layui.com/doc/element/form.html">
                <span>表单 </span>
                <span class="layui-font-12 layui-font-gray">form 元素集合</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="nav.html" tppabs="http://www.layui.com/doc/element/nav.html">
                <span>导航 </span>
                <span class="layui-font-12 layui-font-gray">nav 面包屑</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="menu.html" tppabs="http://www.layui.com/doc/element/menu.html">
                <span>菜单 </span>
                <span class="layui-font-12 layui-font-gray">menu 基础菜单</span>
                
                  <span class="layui-badge-dot"></span>
                
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="tab.html" tppabs="http://www.layui.com/doc/element/tab.html">
                <span>选项卡 </span>
                <span class="layui-font-12 layui-font-gray">Tabs 切换</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="progress.html" tppabs="http://www.layui.com/doc/element/progress.html">
                <span>进度条 </span>
                <span class="layui-font-12 layui-font-gray">progress</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="panel.html" tppabs="http://www.layui.com/doc/element/panel.html">
                <span>面板 </span>
                <span class="layui-font-12 layui-font-gray">panel 卡片 折叠</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="table.html" tppabs="http://www.layui.com/doc/element/table.html">
                <span>表格 </span>
                <span class="layui-font-12 layui-font-gray">静态 table</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="badge.html" tppabs="http://www.layui.com/doc/element/badge.html">
                <span>徽章 </span>
                <span class="layui-font-12 layui-font-gray">小圆点  小边框</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="timeline.html" tppabs="http://www.layui.com/doc/element/timeline.html">
                <span>时间线 </span>
                <span class="layui-font-12 layui-font-gray">timeline</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="auxiliar.html" tppabs="http://www.layui.com/doc/element/auxiliar.html">
                <span>辅助 </span>
                <span class="layui-font-12 layui-font-gray">引用 字段集 横线等</span>
              </a>
            </div>
          </li>
        </ul>
      </li>
      
      <li class="layui-menu-item-group" lay-options="{type: 'group', isAllowSpread: true}">
        <div class="layui-menu-body-title">
          内置模块
        </div>
        <hr>
        <ul>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/layer.html" tppabs="http://www.layui.com/doc/modules/layer.html">
                <span>弹出层 </span>
                <span class="layui-font-12 layui-font-gray">layer</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/laydate.html" tppabs="http://www.layui.com/doc/modules/laydate.html">
                <span>日期与时间选择 </span>
                <span class="layui-font-12 layui-font-gray">laydate</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/laypage.html" tppabs="http://www.layui.com/doc/modules/laypage.html">
                <span>分页 </span>
                <span class="layui-font-12 layui-font-gray">laypage</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/laytpl.html" tppabs="http://www.layui.com/doc/modules/laytpl.html">
                <span>模板引擎 </span>
                <span class="layui-font-12 layui-font-gray">laytpl</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/table.html" tppabs="http://www.layui.com/doc/modules/table.html">
                <span>数据表格 </span>
                <span class="layui-font-12 layui-font-gray">table</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/form.html" tppabs="http://www.layui.com/doc/modules/form.html">
                <span>表单 </span>
                <span class="layui-font-12 layui-font-gray">form</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/upload.html" tppabs="http://www.layui.com/doc/modules/upload.html">
                <span>文件上传 </span>
                <span class="layui-font-12 layui-font-gray">upload</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/dropdown.html" tppabs="http://www.layui.com/doc/modules/dropdown.html">
                <span>下拉菜单 </span>
                <span class="layui-font-12 layui-font-gray">dropdown</span>
                
                  <span class="layui-badge-dot"></span>
                
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/transfer.html" tppabs="http://www.layui.com/doc/modules/transfer.html">
                <span>穿梭框 </span>
                <span class="layui-font-12 layui-font-gray">transfer</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/tree.html" tppabs="http://www.layui.com/doc/modules/tree.html">
                <span>树形组件 </span>
                <span class="layui-font-12 layui-font-gray">tree</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/colorpicker.html" tppabs="http://www.layui.com/doc/modules/colorpicker.html">
                <span>颜色选择器 </span>
                <span class="layui-font-12 layui-font-gray">colorpicker</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/element.html" tppabs="http://www.layui.com/doc/modules/element.html">
                <span>常用元素操作 </span>
                <span class="layui-font-12 layui-font-gray">element</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/slider.html" tppabs="http://www.layui.com/doc/modules/slider.html">
                <span>滑块 </span>
                <span class="layui-font-12 layui-font-gray">slider</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/rate.html" tppabs="http://www.layui.com/doc/modules/rate.html">
                <span>评分 </span>
                <span class="layui-font-12 layui-font-gray">rate</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/carousel.html" tppabs="http://www.layui.com/doc/modules/carousel.html">
                <span>轮播 </span>
                <span class="layui-font-12 layui-font-gray">carousel</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="layedit.html" tppabs="http://www.layui.com/doc/modules/layedit.html">
                <span>富文本编辑器 </span>
                <span class="layui-font-12 layui-font-gray">layedit</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/flow.html" tppabs="http://www.layui.com/doc/modules/flow.html">
                <span>流加载 </span>
                <span class="layui-font-12 layui-font-gray">flow</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/util.html" tppabs="http://www.layui.com/doc/modules/util.html">
                <span>工具组件 </span>
                <span class="layui-font-12 layui-font-gray">util</span>
              </a>
            </div>
          </li>
          <li class="">
            <div class="layui-menu-body-title">
              <a href="../modules/code.html" tppabs="http://www.layui.com/doc/modules/code.html">
                <span>代码高亮显示 </span>
                <span class="layui-font-12 layui-font-gray">code</span>
              </a>
            </div>
          </li>
        </ul>
      </li>
    </ul>
  </div>
  <div class="layui-hide-v"> - </div>
</div>

  
  <div class="layui-col-md9 site-content">
    <h1 class="site-h1">表单 - 页面元素</h1>
    <blockquote class="site-text layui-elem-quote">
      在一个容器中设定 <em>class="layui-form"</em> 来标识一个表单元素块，通过规范好的HTML结构及CSS类，来组装成各式各样的表单元素，并通过内置的 <em>form模块</em> 来完成各种交互。
    </blockquote>
    <blockquote class="site-text layui-elem-quote">
      依赖加载模块：<a href="../modules/form.html" tppabs="http://www.layui.com/doc/modules/form.html">form</a> <span>（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）</span>
    </blockquote>
    
    
    <div class="site-title">
      <fieldset><legend><a name="use">小睹为快</a></legend></fieldset>
    </div>
    <div class="site-text site-block">
      <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" lay-verType="tips" 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=""></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" lay-text="ON|OFF" lay-filter="switchTest" value="1">
          </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" lay-submit lay-filter="formDemo">立即提交</button>
            <button type="reset" class="layui-btn layui-btn-primary">重置</button>
          </div>
        </div>
      </form>
    </div>
    <div class="site-text" style="margin-top: 15px;">
       <blockquote class="site-text layui-elem-quote">  通过上述的小小演示，你已经大致了解了一波 layui 的表单模块，你可能会觉得她还算不错，但并不太过瘾？譬如你希望看到日期选择、图片上传等等。然而你必须认识到，本篇文档核心介绍的是表单元素，对于日期、上传等更多丰富的元素，其实也是可以很方便地穿插在内的。
      </blockquote>
      <p>下述是【小睹为快】的HTML结构：</p>
    </div>
    <div class="site-text" style="margin-top: 15px;">
      <pre class="layui-code" lay-title="HTML">
&lt;form class=&quot;layui-form&quot; action=&quot;&quot;&gt;
  &lt;div class=&quot;layui-form-item&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;输入框&lt;/label&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;input type=&quot;text&quot; name=&quot;title&quot; required  lay-verify=&quot;required&quot; placeholder=&quot;请输入标题&quot; autocomplete=&quot;off&quot; class=&quot;layui-input&quot;&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class=&quot;layui-form-item&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;密码框&lt;/label&gt;
    &lt;div class=&quot;layui-input-inline&quot;&gt;
      &lt;input type=&quot;password&quot; name=&quot;password&quot; required lay-verify=&quot;required&quot; placeholder=&quot;请输入密码&quot; autocomplete=&quot;off&quot; class=&quot;layui-input&quot;&gt;
    &lt;/div&gt;
    &lt;div class=&quot;layui-form-mid layui-word-aux&quot;&gt;辅助文字&lt;/div&gt;
  &lt;/div&gt;
  &lt;div class=&quot;layui-form-item&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;选择框&lt;/label&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;select name=&quot;city&quot; lay-verify=&quot;required&quot;&gt;
        &lt;option value=&quot;&quot;&gt;&lt;/option&gt;
        &lt;option value=&quot;0&quot;&gt;北京&lt;/option&gt;
        &lt;option value=&quot;1&quot;&gt;上海&lt;/option&gt;
        &lt;option value=&quot;2&quot;&gt;广州&lt;/option&gt;
        &lt;option value=&quot;3&quot;&gt;深圳&lt;/option&gt;
        &lt;option value=&quot;4&quot;&gt;杭州&lt;/option&gt;
      &lt;/select&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class=&quot;layui-form-item&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;复选框&lt;/label&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;input type=&quot;checkbox&quot; name=&quot;like[write]&quot; title=&quot;写作&quot;&gt;
      &lt;input type=&quot;checkbox&quot; name=&quot;like[read]&quot; title=&quot;阅读&quot; checked&gt;
      &lt;input type=&quot;checkbox&quot; name=&quot;like[dai]&quot; title=&quot;发呆&quot;&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class=&quot;layui-form-item&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;开关&lt;/label&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;input type=&quot;checkbox&quot; name=&quot;switch&quot; lay-skin=&quot;switch&quot;&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class=&quot;layui-form-item&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;单选框&lt;/label&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;input type=&quot;radio&quot; name=&quot;sex&quot; value=&quot;男&quot; title=&quot;男&quot;&gt;
      &lt;input type=&quot;radio&quot; name=&quot;sex&quot; value=&quot;女&quot; title=&quot;女&quot; checked&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class=&quot;layui-form-item layui-form-text&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;文本域&lt;/label&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;textarea name=&quot;desc&quot; placeholder=&quot;请输入内容&quot; class=&quot;layui-textarea&quot;&gt;&lt;/textarea&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class=&quot;layui-form-item&quot;&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;button class=&quot;layui-btn&quot; lay-submit lay-filter=&quot;formDemo&quot;&gt;立即提交&lt;/button&gt;
      &lt;button type=&quot;reset&quot; class=&quot;layui-btn layui-btn-primary&quot;&gt;重置&lt;/button&gt;
    &lt;/div&gt;
  &lt;/div&gt;
&lt;/form&gt;
 
&lt;script&gt;
//Demo
layui.use('form', function(){
  var form = layui.form;
  
  //监听提交
  form.on('submit(formDemo)', function(data){
    layer.msg(JSON.stringify(data.field));
    return false;
  });
});
&lt;/script&gt;
      </pre>
      <p>UI的最终呈现得益于 Form模块 的全自动渲染，她将原本普通的诸如select、checkbox、radio等元素重置为你所看到的模样。或许你可以移步左侧导航的 <em>内置模块</em> 中的 <em>表单</em> 对其进行详细的了解。</p>
      <blockquote class="site-text layui-elem-quote">
        而本篇介绍的是表单元素本身，譬如规定的区块、CSS类、原始控件等。他们共同组成了一个表单体系。
      </blockquote>
      <p>下述是基本的行区块结构，它提供了响应式的支持。但如果你不大喜欢，你可以换成你的结构，但必须要在外层容器中定义<em>class="layui-form"</em>，form模块才能正常工作。</p>
      <pre class="layui-code" lay-title="行区块结构">
&lt;div class=&quot;layui-form-item&quot;&gt;
  &lt;label class=&quot;layui-form-label&quot;&gt;标签区域&lt;/label&gt;
  &lt;div class=&quot;layui-input-block&quot;&gt;
    原始表单元素区域
  &lt;/div&gt;
&lt;/div&gt;
      </pre>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="input">输入框</a></legend></fieldset>
    </div>
    <div class="layui-inline">
      <input type="text" name="title" required lay-verify="required" placeholder="请输入标题" autocomplete="off" class="layui-input">
    </div>
    <div class="site-text">
      <pre class="layui-code" lay-title="结构">
&lt;input type=&quot;text&quot; name=&quot;title&quot; required lay-verify=&quot;required&quot; placeholder=&quot;请输入标题&quot; autocomplete=&quot;off&quot; class=&quot;layui-input&quot;&gt;    
      </pre>
      <p class="site-tips">
        <em>required</em>：注册浏览器所规定的必填字段 
        <br><em>lay-verify</em>：注册form模块需要验证的类型 
        <br><em>class="layui-input"</em>：layui.css提供的通用CSS类
        <br>
      </p>
      <p class="layui-word-aux">这些在下文都不再做重复介绍</p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="select">下拉选择框</a></legend></fieldset>
    </div>
    <div class="layui-form">
      <div class="layui-inline">
        <select name="city" lay-verify="required">
          <option value="">请选择一个城市</option>
          <option value="010">北京</option>
          <option value="021">上海</option>
          <option value="0571">杭州</option>
        </select>
      </div>
      <div class="layui-inline">
        <select name="city" lay-verify="required">
          <option value="">请选择一个城市</option>
          <option value="010">北京</option>
          <option value="021" disabled>上海（禁用效果）</option>
          <option value="0571" selected>杭州</option>
        </select>
      </div>
      <div class="layui-inline">
        <select name="quiz">
          <option value="">select分组</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 class="layui-inline">
        <select name="city" lay-verify="required" lay-search>
          <option value="">带搜索的选择框</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 class="site-text">
      <pre class="layui-code" lay-title="结构">
&lt;select name=&quot;city&quot; lay-verify=&quot;&quot;&gt;
  &lt;option value=&quot;&quot;&gt;请选择一个城市&lt;/option&gt;
  &lt;option value=&quot;010&quot;&gt;北京&lt;/option&gt;
  &lt;option value=&quot;021&quot;&gt;上海&lt;/option&gt;
  &lt;option value=&quot;0571&quot;&gt;杭州&lt;/option&gt;
&lt;/select&gt;     
      </pre>
      <p>上述option的第一项主要是占个坑，让form模块预留“请选择”的提示空间，否则将会把第一项（存在value值）作为默认选中项。你可以在option的空值项中自定义文本，如：请选择分类。</p>
      
      <p>你可以通过设定 <em>selected</em> 来设定默认选中项：</p>
      <pre class="layui-code" lay-title="结构">
&lt;select name=&quot;city&quot; lay-verify=&quot;&quot;&gt;
  &lt;option value=&quot;010&quot;&gt;北京&lt;/option&gt;
  &lt;option value=&quot;021&quot; disabled&gt;上海（禁用效果）&lt;/option&gt;
  &lt;option value=&quot;0571&quot; selected&gt;杭州&lt;/option&gt;
&lt;/select&gt;     
      </pre>
      
      <p>你还可以通过 <em>optgroup</em> 标签给select分组：</p>
      <pre class="layui-code" lay-title="结构">
&lt;select name="quiz"&gt;
  &lt;option value=""&gt;请选择&lt;/option&gt;
  &lt;optgroup label="城市记忆"&gt;
    &lt;option value="你工作的第一个城市">你工作的第一个城市？&lt;/option&gt;
  &lt;/optgroup&gt;
  &lt;optgroup label="学生时代"&gt;
    &lt;option value="你的工号">你的工号？&lt;/option&gt;
    &lt;option value="你最喜欢的老师">你最喜欢的老师？&lt;/option&gt;
  &lt;/optgroup&gt;
&lt;/select&gt;
      </pre>
      <p>以及通过设定属性 <em>lay-search</em> 来开启搜索匹配功能</p>
      <pre class="layui-code" lay-title="结构">
&lt;select name=&quot;city&quot; lay-verify=&quot;&quot; lay-search&gt;
  &lt;option value=&quot;010&quot;&gt;layer&lt;/option&gt;
  &lt;option value=&quot;021&quot;&gt;form&lt;/option&gt;
  &lt;option value=&quot;0571&quot; selected&gt;layim&lt;/option&gt;
  ……
&lt;/select&gt;     
      </pre>
      <blockquote class="layui-elem-quote">
        属性<em>selected</em>可设定默认项
        <br>属性<em>disabled</em>开启禁用，select和option标签都支持
      </blockquote>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="checkbox">复选框</a></legend></fieldset>
    </div>
    <div class="layui-form">
      <input type="checkbox" name="write" title="写作" checked>
      <input type="checkbox" name="dai" title="发呆">
      <input type="checkbox" name="jin" title="禁用" disabled>
      <input type="checkbox" name="write" title="写作" lay-skin="primary" checked>
      <input type="checkbox" name="dai" title="发呆" lay-skin="primary">
      <input type="checkbox" name="jin" title="禁用" lay-skin="primary" disabled>
    </div>
    <div class="site-text">
      <pre class="layui-code" lay-title="结构">
默认风格：
&lt;input type="checkbox" name="" title="写作" checked>
&lt;input type="checkbox" name="" title="发呆"> 
&lt;input type="checkbox" name="" title="禁用" disabled> 
 
原始风格：
&lt;input type="checkbox" name="" title="写作" lay-skin="primary" checked>
&lt;input type="checkbox" name="" title="发呆" lay-skin="primary"> 
&lt;input type="checkbox" name="" title="禁用" lay-skin="primary" disabled> 
      </pre>
      <p>
        属性<em>title</em>可自定义文本（温馨提示：如果只想显示复选框，可以不用设置title）
        <br>属性<em>checked</em>可设定默认选中
        <br>属性<em>lay-skin</em>可设置复选框的风格
        <br>设置<em>value="1"</em>可自定义值，否则选中时返回的就是默认的on
      </p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="switch">开关</a></legend></fieldset>
    </div>
    <div class="layui-form">
      <input type="checkbox" name="xxx" lay-skin="switch">
      <input type="checkbox" name="yyy" lay-skin="switch" lay-text="ON|OFF" checked>
      <input type="checkbox" name="zzz" lay-skin="switch" lay-text="开启|关闭">
      <input type="checkbox" name="aaa" lay-skin="switch" disabled>
    </div>
    <div class="site-text">
      <p style="margin-top: 10px;">其实就是checkbox复选框的“变种”，通过设定 <em>lay-skin="switch"</em> 形成了开关风格</p>
      <pre class="layui-code" lay-title="结构">
&lt;input type="checkbox" name="xxx" lay-skin="switch">
&lt;input type="checkbox" name="yyy" lay-skin="switch" lay-text="ON|OFF" checked>
&lt;input type="checkbox" name="zzz" lay-skin="switch" lay-text="开启|关闭">
&lt;input type="checkbox" name="aaa" lay-skin="switch" disabled>
      </pre>
      <p>
        属性<em>checked</em>可设定默认开
        <br>属性<em>disabled</em>开启禁用
        <br>属性<em>lay-text</em>可自定义开关两种状态的文本
        <br>设置<em>value="1"</em>可自定义值，否则选中时返回的就是默认的on
      </p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="radio">单选框</a></legend></fieldset>
    </div>
    <div class="layui-form">
      <input type="radio" name="sex" title="男">
      <input type="radio" name="sex" title="女" checked>
      <input type="radio" name="sex" title="中性" disabled>
    </div>
    <div class="site-text">
      <pre class="layui-code" lay-title="结构">
&lt;input type="radio" name="sex" value="nan" title="男">
&lt;input type="radio" name="sex" value="nv" title="女" checked>
&lt;input type="radio" name="sex" value="" title="中性" disabled>
      </pre>
      <p>
        属性<em>title</em>可自定义文本
        <br>属性<em>disabled</em>开启禁用
        <br>设置<em>value="xxx"</em>可自定义值，否则选中时返回的就是默认的on
      </p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="textarea">文本域</a></legend></fieldset>
    </div>
    <textarea name="" required lay-verify="required" placeholder="请输入" class="layui-textarea"></textarea>
    <div class="site-text">
      <pre class="layui-code" lay-title="结构">
&lt;textarea name="" required lay-verify="required" placeholder="请输入" class="layui-textarea">&lt;/textarea>
      </pre>
      <p class="site-tips">
        <em>class="layui-textarea"</em>：layui.css提供的通用CSS类
        <br>
      </p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="inline">组装行内表单</a></legend></fieldset>
    </div>
    
    <div class="layui-form-item">
      <div class="layui-inline">
        <label class="layui-form-label">范围</label>
        <div class="layui-input-inline" style="width: 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="width: 100px;">
          <input type="text" name="price_max" placeholder="￥" autocomplete="off" class="layui-input">
        </div>
      </div>
      <div class="layui-inline">
        <label class="layui-form-label">密码</label>
        <div class="layui-input-inline" style="width: 100px;">
          <input type="password" name="" autocomplete="off" class="layui-input">
        </div>
      </div>
    </div>
    
    <div class="site-text">
      <pre class="layui-code" lay-title="结构">
&lt;div class=&quot;layui-form-item&quot;&gt;
 
  &lt;div class=&quot;layui-inline&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;范围&lt;/label&gt;
    &lt;div class=&quot;layui-input-inline&quot; style=&quot;width: 100px;&quot;&gt;
      &lt;input type=&quot;text&quot; name=&quot;price_min&quot; placeholder=&quot;￥&quot; autocomplete=&quot;off&quot; class=&quot;layui-input&quot;&gt;
    &lt;/div&gt;
    &lt;div class=&quot;layui-form-mid&quot;&gt;-&lt;/div&gt;
    &lt;div class=&quot;layui-input-inline&quot; style=&quot;width: 100px;&quot;&gt;
      &lt;input type=&quot;text&quot; name=&quot;price_max&quot; placeholder=&quot;￥&quot; autocomplete=&quot;off&quot; class=&quot;layui-input&quot;&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  
  &lt;div class=&quot;layui-inline&quot;&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;密码&lt;/label&gt;
    &lt;div class=&quot;layui-input-inline&quot; style=&quot;width: 100px;&quot;&gt;
      &lt;input type=&quot;password&quot; name=&quot;&quot; autocomplete=&quot;off&quot; class=&quot;layui-input&quot;&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  
&lt;/div&gt;
      </pre>
      <p class="site-tips">
        <em>class="layui-inline"</em>：定义外层行内
        <br><em>class="layui-input-inline"</em>：定义内层行内
      </p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="ignore">忽略美化渲染</a></legend></fieldset>
    </div>
    <div class="site-text">
      <p>你可以对表单元素增加属性 <em>lay-ignore</em>  设置后，将不会对该标签进行美化渲染，即保留系统风格，比如：</p>
      <div class="layui-form">
        <select name="city11" lay-ignore>
          <option value="">请选择一个城市</option>
          <option value="010">北京</option>
          <option value="021">上海</option>
          <option value="0571">杭州</option>
        </select>   
      </div>
      <pre class="layui-code">
&lt;select lay-ignore&gt;
  &lt;option&gt;…&lt;/option&gt;
&lt;/select&gt;
      </pre>
      <p>一般不推荐这样做。事实上form组件所提供的接口，对其渲染过的元素，足以应付几乎所有的业务需求。如果忽略渲染，可能会让UI风格不和谐</p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="pane">表单方框风格</a></legend></fieldset>
    </div>
    <div class="site-text">
      <form class="layui-form layui-form-pane" 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=""></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" pane>
          <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" pane>
          <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 placeholder="请输入内容" class="layui-textarea"></textarea>
          </div>
        </div>
        <div class="layui-form-item">
          <button class="layui-btn" lay-submit lay-filter="formDemoPane">立即提交</button>
        </div>
      </form>
      <p>通过追加 <em>layui-form-pane</em> 的class，来设定表单的方框风格。内部结构不变。我们的Fly社区用的就是这个风格。</p>
      <pre class="layui-code" lay-title="结构">
&lt;form class=&quot;layui-form layui-form-pane&quot; action=&quot;&quot;&gt;
  内部结构都一样，值得注意的是 复选框/开关/单选框 这些组合在该风格下需要额外添加 <em>pane属性</em>（否则会看起来比较别扭），如：
  &lt;div class=&quot;layui-form-item&quot; <a>pane</a>&gt;
    &lt;label class=&quot;layui-form-label&quot;&gt;单选框&lt;/label&gt;
    &lt;div class=&quot;layui-input-block&quot;&gt;
      &lt;input type=&quot;radio&quot; name=&quot;sex&quot; value=&quot;男&quot; title=&quot;男&quot;&gt;
      &lt;input type=&quot;radio&quot; name=&quot;sex&quot; value=&quot;女&quot; title=&quot;女&quot; checked&gt;
    &lt;/div&gt;
  &lt;/div&gt;
&lt;/form&gt;
      </pre>
      <p></p>
    </div>
    
    <div class="site-title">
      <fieldset><legend><a name="other">结语</a></legend></fieldset>
    </div>
    <div class="site-text">
      <p>Layui版本稳定后，会抽空推出一个表单元素生成工具，这样似乎就更方便地组装你的表单了呀。</p>
    </div>
    
    <div class="layui-elem-quote">
  <p>layui - 在每一个细节中，用心与你沟通</p>
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