<title>登录注册网站</title>

<!-- 登录 --> 
<form action="login.php" method="post"> 
    <label for="username">用户名：</label><input type="text" name="username" id="username"><br /> 
    <label for="password">密码：</label><input type="password" name="password" id="password"><br /> 
    <input type = "submit" value = "登录"/>  
</form>  

<!-- 注册 -->  
<form action = "register.php" method = "post">                                        <label for = "new_username">新用户名：</label><input type = "text" name = "new_username" id = "new_username"><br />                     <label for = "new_password">新密码：</label><input type = "password" name=  new_password id= new_password><br />                 <input type= submit value= 注册/>     </form>   </body></html