全面解析Bootstrap表单使用方法（表单按钮）

<button class="btn btn-default" type="button">button标签按钮</button>
<input type="submit" class="btn btn-default" value="input标签按钮"/>
<a href="##" class="btn btn-default">a标签按钮</a>
<span class="btn btn-default">span标签按钮</span>
<div class="btn btn-default">div标签按钮</div>

<button class="btn" type="button">基础按钮.btn</button>
<button class="btn btn-default" type="button">默认按钮.btn-default</button>
<button class="btn btn-primary" type="button">主要按钮.btn-primary</button>
<button class="btn btn-success" type="button">成功按钮.btn-success</button>
<button class="btn btn-warning" type="button">警告按钮.btn-warning</button>
<button class="btn btn-danger" type="button">危险按钮.btn-danger</button>
<button class="btn btn-link" type="button">链接按钮.btn-link</button>

<button class="btn btn-primary btn-lg" type="button">大型按钮.btn-lg</button>
<button class="btn btn-primary" type="button">正常按钮</button>
<button class="btn btn-primary btn-sm" type="button">小型按钮.btn-sm</button>

<button class="btn btn-primary btn-lg btn-block" type="button">大型按钮.btn-lg</button>
<button class="btn btn-primary btn-block" type="button">正常按钮</button>
<button class="btn btn-primary btn-sm btn-block" type="button">小型按钮.btn-sm</button>
<button class="btn btn-primary btn-xs btn-block" type="button">超小型按钮.btn-xs</button>

<button class="btn btn-primary btn-lg btn-block" type="button" disabled="disabled">通过disabled属性禁用按钮</button>
<button class="btn btn-primary btn-block disabled" type="button">通过添加类名disabled禁用按钮</button>

<form role="form">
 <div class="form-group has-success has-feedback">
 <label class="control-label" for="inputSuccess1">成功状态</label>
 <input type="text" class="form-control" id="inputSuccess1" placeholder="成功状态" >
 <span class="help-block">你输入的信息是正确的</span>
 <span class="glyphicon glyphicon-ok form-control-feedback"></span>
 </div>
 <div class="form-group has-warning has-feedback">
 <label class="control-label" for="inputWarning1">警告状态</label>
 <input type="text" class="form-control" id="inputWarning1" placeholder="警告状态">
 <span class="help-block">请输入正确信息</span>
 <span class="glyphicon glyphicon-warning-sign form-control-feedback"></span>
 </div>
 <div class="form-group has-error has-feedback">
 <label class="control-label" for="inputError1">错误状态</label>
 <input type="text" class="form-control" id="inputError1" placeholder="错误状态">

 <span class="glyphicon glyphicon-remove form-control-feedback"></span>
 </div>
</form>