<form action="https://www.baidu.com" method="post"> <h3>登录</h3> <div> <label for="user_name">用户名</label> <input id="user_name" name="user_name" ><!-- 用户名表单 --> </div> <div> <label for="password">密码</label> <input id="password" name="password" type="password" ><!--密码表单--> </div> <div> <button type='submit'>登录</button> </div> </form>