`Input`，用于表单，可以分成“输入型”和“选择型”两种。输入型包括单行文本（文本、数值、电话、密码等）、多行文本；选择型包括下拉选择、单选、多选、开关、日期时间等。在 WeUI 中，表单通常与 Cell 组件配合使用。
示例代码如下：
~~~
<div class="weui-cells__title">单选列表项</div>
<div class="weui-cells weui-cells_radio">
<label class="weui-cell weui-check__label" for="x11">
<div class="weui-cell__bd">
<p>cell standard</p>
</div>
<div class="weui-cell__ft">
<input type="radio" class="weui-check" name="radio1" id="x11">
<span class="weui-icon-checked"></span>
</div>
</label>
<label class="weui-cell weui-check__label" for="x12">
<div class="weui-cell__bd">
<p>cell standard</p>
</div>
<div class="weui-cell__ft">
<input type="radio" name="radio1" class="weui-check" id="x12" checked="checked">
<span class="weui-icon-checked"></span>
</div>
</label>
<a href="javascript:void(0);" class="weui-cell weui-cell_link">
<div class="weui-cell__bd">添加更多</div>
</a>
</div>
<div class="weui-cells__title">复选列表项</div>
<div class="weui-cells weui-cells_checkbox">
<label class="weui-cell weui-check__label" for="s11">
<div class="weui-cell__hd">
<input type="checkbox" class="weui-check" name="checkbox1" id="s11" checked="checked">
<i class="weui-icon-checked"></i>
</div>
<div class="weui-cell__bd">
<p>standard is dealt for u.</p>
</div>
</label>
<label class="weui-cell weui-check__label" for="s12">
<div class="weui-cell__hd">
<input type="checkbox" name="checkbox1" class="weui-check" id="s12">
<i class="weui-icon-checked"></i>
</div>
<div class="weui-cell__bd">
<p>standard is dealicient for u.</p>
</div>
</label>
<a href="javascript:void(0);" class="weui-cell weui-cell_link">
<div class="weui-cell__bd">添加更多</div>
</a>
</div>
<div class="weui-cells__title">表单</div>
<div class="weui-cells weui-cells_form">
<div class="weui-cell">
<div class="weui-cell__hd"><label class="weui-label">qq</label></div>
<div class="weui-cell__bd">
<input class="weui-input" type="number" pattern="[0-9]*" placeholder="请输入qq号"/>
</div>
</div>
<div class="weui-cell weui-cell_vcode">
<div class="weui-cell__hd">
<label class="weui-label">手机号</label>
</div>
<div class="weui-cell__bd">
<input class="weui-input" type="tel" placeholder="请输入手机号">
</div>
<div class="weui-cell__ft">
<a href="javascript:;" class="weui-vcode-btn">获取验证码</a>
</div>
</div>
<div class="weui-cell">
<div class="weui-cell__hd"><label for="" class="weui-label">日期</label></div>
<div class="weui-cell__bd">
<input class="weui-input" type="date" value=""/>
</div>
</div>
<div class="weui-cell">
<div class="weui-cell__hd"><label for="" class="weui-label">时间</label></div>
<div class="weui-cell__bd">
<input class="weui-input" type="datetime-local" value="" placeholder=""/>
</div>
</div>
<div class="weui-cell weui-cell_vcode">
<div class="weui-cell__hd"><label class="weui-label">验证码</label></div>
<div class="weui-cell__bd">
<input class="weui-input" type="number" placeholder="请输入验证码"/>
</div>
<div class="weui-cell__ft">
<img class="weui-vcode-img" src="./images/vcode.jpg" />
</div>
</div>
</div>
<div class="weui-cells__tips">底部说明文字底部说明文字</div>
<div class="weui-cells__title">表单报错</div>
<div class="weui-cells weui-cells_form">
<div class="weui-cell weui-cell_warn">
<div class="weui-cell__hd"><label for="" class="weui-label">卡号</label></div>
<div class="weui-cell__bd">
<input class="weui-input" type="number" pattern="[0-9]*" value="weui input error" placeholder="请输入卡号"/>
</div>
<div class="weui-cell__ft">
<i class="weui-icon-warn"></i>
</div>
</div>
</div>
<div class="weui-cells__title">开关</div>
<div class="weui-cells weui-cells_form">
<div class="weui-cell weui-cell_switch">
<div class="weui-cell__bd">标题文字</div>
<div class="weui-cell__ft">
<input class="weui-switch" type="checkbox"/>
</div>
</div>
</div>
<div class="weui-cells__title">文本框</div>
<div class="weui-cells">
<div class="weui-cell">
<div class="weui-cell__bd">
<input class="weui-input" type="text" placeholder="请输入文本"/>
</div>
</div>
</div>
<div class="weui-cells__title">文本域</div>
<div class="weui-cells weui-cells_form">
<div class="weui-cell">
<div class="weui-cell__bd">
<textarea class="weui-textarea" placeholder="请输入文本" rows="3"></textarea>
<div class="weui-textarea-counter"><span>0</span>/200</div>
</div>
</div>
</div>
<div class="weui-cells__title">选择</div>
<div class="weui-cells">
<div class="weui-cell weui-cell_select weui-cell_select-before">
<div class="weui-cell__hd">
<select class="weui-select" name="select2">
<option value="1">+86</option>
<option value="2">+80</option>
<option value="3">+84</option>
<option value="4">+87</option>
</select>
</div>
<div class="weui-cell__bd">
<input class="weui-input" type="number" pattern="[0-9]*" placeholder="请输入号码"/>
</div>
</div>
</div>
<div class="weui-cells__title">选择</div>
<div class="weui-cells">
<div class="weui-cell weui-cell_select">
<div class="weui-cell__bd">
<select class="weui-select" name="select1">
<option selected="" value="1">微信号</option>
<option value="2">QQ号</option>
<option value="3">Email</option>
</select>
</div>
</div>
<div class="weui-cell weui-cell_select weui-cell_select-after">
<div class="weui-cell__hd">
<label for="" class="weui-label">国家/地区</label>
</div>
<div class="weui-cell__bd">
<select class="weui-select" name="select2">
<option value="1">中国</option>
<option value="2">美国</option>
<option value="3">英国</option>
</select>
</div>
</div>
</div>
<label for="weuiAgree" class="weui-agree">
<input id="weuiAgree" type="checkbox" class="weui-agree__checkbox">
<span class="weui-agree__text">
阅读并同意<a href="javascript:void(0);">《相关条款》</a>
</span>
</label>
<div class="weui-btn-area">
<a class="weui-btn weui-btn_primary" href="javascript:" id="showTooltips">确定</a>
</div>
~~~
