Bootstrap表单布局样式源代码

<form class="form-horizontal" role="form">
     <fieldset>
      <legend>配置数据源</legend>
      <div class="form-group">
       <label class="col-sm-2 control-label" for="ds_host">主机名</label>
       <div class="col-sm-4">
        <input class="form-control" id="ds_host" type="text" placeholder="192.168.1.161"/>
       </div>
       <label class="col-sm-2 control-label" for="ds_name">数据库名</label>
       <div class="col-sm-4">
        <input class="form-control" id="ds_name" type="text" placeholder="msh"/>
       </div>
      </div>
      <div class="form-group">
       <label class="col-sm-2 control-label" for="ds_username">用户名</label>
       <div class="col-sm-4">
        <input class="form-control" id="ds_username" type="text" placeholder="root"/>
       </div>
       <label class="col-sm-2 control-label" for="ds_password">密码</label>
       <div class="col-sm-4">
        <input class="form-control" id="ds_password" type="password" placeholder="123456"/>
       </div>
      </div>
     </fieldset>  
     <fieldset>
       <legend>选择相关表</legend>
      <div class="form-group">
       <label for="disabledSelect" class="col-sm-2 control-label">表名</label>
       <div class="col-sm-10">
        <select id="disabledSelect" class="form-control">
         <option>禁止选择</option>
         <option>禁止选择</option>
        </select>
       </div>
      </div>
     </fieldset>
     
      <fieldset>
       <legend>字段名</legend>
      <div class="form-group">
       <label for="disabledSelect" class="col-sm-2 control-label">表名</label>
       <div class="col-sm-10">
        <select id="disabledSelect" class="form-control">
         <option>禁止选择</option>
         <option>禁止选择</option>
        </select>
       </div>
      </div>
     </fieldset>
    </form>