HTML代码
<from id="namepassword" method="post" action="#">
<fieldset>
<legend>登录的页面</legend>
<label for="username">用户:</label>
<input type="text"id="username" name="username"/>
<br/>
<label for="pass">密码:</label>
<input type="password"id="pass" name="pass"/>
</fieldset>
</from>
