pages/cart
cart.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>购物车</title>
<base href="http://localhost:8080/BookStore02/">
<link type="text/css" rel="stylesheet" href="static/css/style.css" >
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="static/img/logo.gif" >
<span class="wel_word">购物车</span>
<div>
<span>欢迎<span class="um_span">韩总</span>光临尚硅谷书城</span>
<a href="pages/order/order.html">我的订单</a>
<a href="index.html">注销</a>
<a href="index.html">返回</a>
</div>
</div>
<div id="main">
<table>
<tr>
<td>商品名称</td>
<td>数量</td>
<td>单价</td>
<td>金额</td>
<td>操作</td>
</tr>
<tr>
<td>时间简史</td>
<td>2</td>
<td>30.00</td>
<td>60.00</td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>母猪的产后护理</td>
<td>1</td>
<td>10.00</td>
<td>10.00</td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>百年孤独</td>
<td>1</td>
<td>20.00</td>
<td>20.00</td>
<td><a href="#">删除</a></td>
</tr>
</table>
<div class="cart_info">
<span class="cart_span">购物车中共有<span class="b_count">4</span>件商品</span>
<span class="cart_span">总金额<span class="b_price">90.00</span>元</span>
<span class="cart_span"><a href="#">清空购物车</a></span>
<span class="cart_span"><a href="pages/cart/checkout.html">去结账</a></span>
</div>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
checkout.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>结算页面</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
<style type="text/css">
h1 {
text-align: center;
margin-top: 200px;
}
</style>
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<span class="wel_word">结算</span>
<div>
<span>欢迎<span class="um_span">韩总</span>光临尚硅谷书城</span>
<a href="../order/order.html">我的订单</a>
<a href="../../index.html">注销</a>
<a href="../../index.html">返回</a>
</div>
</div>
<div id="main">
<h1>你的订单已结算,订单号为2937474382928484747</h1>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
pages/manager
book_edit.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>编辑图书</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
<style type="text/css">
h1 {
text-align: center;
margin-top: 200px;
}
h1 a {
color:red;
}
input {
text-align: center;
}
</style>
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<span class="wel_word">编辑图书</span>
<div>
<a href="book_manager.html">图书管理</a>
<a href="order_manager.html">订单管理</a>
<a href="../../index.html">返回商城</a>
</div>
</div>
<div id="main">
<form action="book_manager.html">
<table>
<tr>
<td>名称</td>
<td>价格</td>
<td>作者</td>
<td>销量</td>
<td>库存</td>
<td colspan="2">操作</td>
</tr>
<tr>
<td><input name="book_name" type="text" value="时间简史"/></td>
<td><input name="book_price" type="text" value="30.00"/></td>
<td><input name="book_author" type="text" value="霍金"/></td>
<td><input name="book_sales" type="text" value="200"/></td>
<td><input name="book_stock" type="text" value="300"/></td>
<td><input type="submit" value="提交"/></td>
</tr>
</table>
</form>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
book_manager.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>图书管理</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<span class="wel_word">图书管理系统</span>
<div>
<a href="book_manager.html">图书管理</a>
<a href="order_manager.html">订单管理</a>
<a href="../../index.html">返回商城</a>
</div>
</div>
<div id="main">
<table>
<tr>
<td>名称</td>
<td>价格</td>
<td>作者</td>
<td>销量</td>
<td>库存</td>
<td colspan="2">操作</td>
</tr>
<tr>
<td>时间简史</td>
<td>20.00</td>
<td>霍金</td>
<td>200</td>
<td>400</td>
<td><a href="book_edit.html">修改</a></td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>时间简史</td>
<td>20.00</td>
<td>霍金</td>
<td>200</td>
<td>400</td>
<td><a href="book_edit.html">修改</a></td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>时间简史</td>
<td>20.00</td>
<td>霍金</td>
<td>200</td>
<td>400</td>
<td><a href="book_edit.html">修改</a></td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>时间简史</td>
<td>20.00</td>
<td>霍金</td>
<td>200</td>
<td>400</td>
<td><a href="book_edit.html">修改</a></td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td><a href="book_edit.html">添加图书</a></td>
</tr>
</table>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
manager.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>后台管理</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
<style type="text/css">
h1 {
text-align: center;
margin-top: 200px;
}
</style>
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<span class="wel_word">后台管理系统</span>
<div>
<a href="book_manager.html">图书管理</a>
<a href="order_manager.html">订单管理</a>
<a href="../../index.html">返回商城</a>
</div>
</div>
<div id="main">
<h1>欢迎管理员进入后台管理系统</h1>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
order_manager.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>订单管理</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<span class="wel_word">订单管理系统</span>
<div>
<a href="book_manager.html">图书管理</a>
<a href="order_manager.html">订单管理</a>
<a href="../../index.html">返回商城</a>
</div>
</div>
<div id="main">
<table>
<tr>
<td>日期</td>
<td>金额</td>
<td>详情</td>
<td>发货</td>
</tr>
<tr>
<td>2015.04.23</td>
<td>90.00</td>
<td><a href="#">查看详情</a></td>
<td><a href="#">点击发货</a></td>
</tr>
<tr>
<td>2015.04.20</td>
<td>20.00</td>
<td><a href="#">查看详情</a></td>
<td>已发货</td>
</tr>
<tr>
<td>2014.01.23</td>
<td>190.00</td>
<td><a href="#">查看详情</a></td>
<td>等待收货</td>
</tr>
</table>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
pages/order
order.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>我的订单</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
<style type="text/css">
h1 {
text-align: center;
margin-top: 200px;
}
</style>
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<span class="wel_word">我的订单</span>
<div>
<span>欢迎<span class="um_span">韩总</span>光临尚硅谷书城</span>
<a href="../order/order.html">我的订单</a>
<a href="../../index.html">注销</a>
<a href="../../index.html">返回</a>
</div>
</div>
<div id="main">
<table>
<tr>
<td>日期</td>
<td>金额</td>
<td>状态</td>
<td>详情</td>
</tr>
<tr>
<td>2015.04.23</td>
<td>90.00</td>
<td>未发货</td>
<td><a href="#">查看详情</a></td>
</tr>
<tr>
<td>2015.04.20</td>
<td>20.00</td>
<td>已发货</td>
<td><a href="#">查看详情</a></td>
</tr>
<tr>
<td>2014.01.23</td>
<td>190.00</td>
<td>已完成</td>
<td><a href="#">查看详情</a></td>
</tr>
</table>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
pages/user
login.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>尚硅谷会员登录页面</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
</head>
<body>
<div id="login_header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
</div>
<div class="login_banner">
<div id="l_content">
<span class="login_word">欢迎登录</span>
</div>
<div id="content">
<div class="login_form">
<div class="login_box">
<div class="tit">
<h1>尚硅谷会员</h1>
<a href="regist.html">立即注册</a>
</div>
<div class="msg_cont">
<b></b>
<span class="errorMsg">请输入用户名和密码</span>
</div>
<div class="form">
<form action="login_success.html">
<label>用户名称:</label>
<input class="itxt" type="text" placeholder="请输入用户名" autocomplete="off" tabindex="1" name="username" />
<br />
<br />
<label>用户密码:</label>
<input class="itxt" type="password" placeholder="请输入密码" autocomplete="off" tabindex="1" name="password" />
<br />
<br />
<input type="submit" value="登录" id="sub_btn" />
</form>
</div>
</div>
</div>
</div>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
login_success.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>尚硅谷会员注册页面</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
<style type="text/css">
h1 {
text-align: center;
margin-top: 200px;
}
h1 a {
color:red;
}
</style>
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<div>
<span>欢迎<span class="um_span">韩总</span>光临尚硅谷书城</span>
<a href="../order/order.html">我的订单</a>
<a href="../../index.html">注销</a>
<a href="../../index.html">返回</a>
</div>
</div>
<div id="main">
<h1>欢迎回来 <a href="../../index.html">转到主页</a></h1>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
regist.html 主要实现
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>尚硅谷会员注册页面</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
<script type="text/javascript" src="../../static/script/jquery-3.6.1.js"></script>
<script type="text/javascript">
// 页面加载完成之后
$(function () {
// 给注册绑定单击事件
$("#sub_btn").click(function () {
// 验证用户名:必须由字母,数字下划线组成,并且长度为 5 到 12 位
//1 获取用户名输入框里的内容
var usernameText = $("#username").val();
//2 创建正则表达式对象
var usernamePatt = /^\w{5,12}$/;
//3 使用test方法验证
if (!usernamePatt.test(usernameText)){
//4 提示用户结果
$("span.errorMsg").text("用户名不合法!");
return false;
}
// 验证密码:必须由字母,数字下划线组成,并且长度为 5 到 12 位
//1 获取用户名输入框里的内容
var passwordText = $("#password").val();
//2 创建正则表达式对象
var passwordPatt = /^\w{5,12}$/;
//3 使用test方法验证
if (!passwordPatt.test(passwordText)){
//4 提示用户结果
$("span.errorMsg").text("密码不合法!");
return false;
}
// 验证确认密码:和密码相同
//1 获取确认密码内容
var repwdText = $("#repwd").val();
//2 和密码相比较
if (repwdText != passwordText){
//3 提示用户
$("span.errorMsg").text("确认密码和密码不一致!");
return false;
}
// 邮箱验证:xxxxx@xxx.com
//1 获取邮箱里的内同
var emailText = $("#email").val();
//2 创建正则表达式对象
var emailPatt = /^[a-z\d]+(\.[a-z\d]+)*@([\da-z](-[\da-z])?)+(\.{1,2}[a-z]+)+$/;
//3 使用test方法验证是否合法
if (!emailPatt.test(emailText)){
//4 提示用户
$("span.errorMsg").text("邮箱格式不合法!");
return false;
}
// 验证码:现在只需要验证用户已输入。因为还没讲到服务器。验证码生成。
var codeText = $("#code").val();
// 去掉验证码前后空格
alert("去空格前:[" + codeText + "]");
codeText = $.trim(codeText);
alert("去空格前:[" + codeText + "]");
if (codeText == null || codeText == ""){
//4 提示用户
$("span.errorMsg").text("验证码不能为空!");
return false;
}
$("span.errorMsg").text("");
});
});
</script>
<style type="text/css">
.login_form{
height:420px;
margin-top: 25px;
}
</style>
</head>
<body>
<div id="login_header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
</div>
<div class="login_banner">
<div id="l_content">
<span class="login_word">欢迎注册</span>
</div>
<div id="content">
<div class="login_form">
<div class="login_box">
<div class="tit">
<h1>注册尚硅谷会员</h1>
<span class="errorMsg"></span>
</div>
<div class="form">
<form action="regist_success.html">
<label>用户名称:</label>
<input class="itxt" type="text" placeholder="请输入用户名"
autocomplete="off" tabindex="1" name="username" id="username" />
<br />
<br />
<label>用户密码:</label>
<input class="itxt" type="password" placeholder="请输入密码"
autocomplete="off" tabindex="1" name="password" id="password" />
<br />
<br />
<label>确认密码:</label>
<input class="itxt" type="password" placeholder="确认密码"
autocomplete="off" tabindex="1" name="repwd" id="repwd" />
<br />
<br />
<label>电子邮件:</label>
<input class="itxt" type="text" placeholder="请输入邮箱地址"
autocomplete="off" tabindex="1" name="email" id="email" />
<br />
<br />
<label>验证码:</label>
<input class="itxt" type="text" style="width: 150px;" id="code"/>
<img alt="" src="../../static/img/code.bmp" style="float: right; margin-right: 40px">
<br />
<br />
<input type="submit" value="注册" id="sub_btn" />
</form>
</div>
</div>
</div>
</div>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
regist_success.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>尚硅谷会员注册页面</title>
<link type="text/css" rel="stylesheet" href="../../static/css/style.css" >
<style type="text/css">
h1 {
text-align: center;
margin-top: 200px;
}
h1 a {
color:red;
}
</style>
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="../../static/img/logo.gif" >
<span class="wel_word"></span>
<div>
<span>欢迎<span class="um_span">韩总</span>光临尚硅谷书城</span>
<a href="../order/order.html">我的订单</a>
<a href="../../index.html">注销</a>
<a href="../../index.html">返回</a>
</div>
</div>
<div id="main">
<h1>注册成功! <a href="../../index.html">转到主页</a></h1>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>
static/css
style.css
@CHARSET "UTF-8";
body {
overflow: hidden;
}
* {
margin: 0;
font-family:"Microsoft Yahei";
color: #666;
}
div{
margin: auto;
margin-bottom: 10px;
margin-top: 10px;
}
#header {
height: 82px;
width: 1200px;
}
#main {
height: 460px;
width: 1200px;
border: 1px black solid;
overflow: auto;
}
#bottom {
height: 30px;
width: 1200px;
text-align: center;
}
#book{
width: 100%;
height: 90%;
margin: auto;
}
.b_list{
height:300px;
width:250px;
margin: 20px;
float: left;
margin-top:0px;
margin-bottom:0px;
border: 1px #e3e3e3 solid;
}
#page_nav{
width: 100%;
height: 10px;
margin: auto;
text-align: center;
}
#pn_input {
width: 30px;
text-align: center;
}
.img_div{
height: 150px;
text-align: center;
}
.book_img {
height:150px;
width:150px;
}
.book_info {
text-align: center;
}
.book_info div{
height: 10px;
width: 300px;
text-align: left;
}
.wel_word{
font-size: 60px;
float: left;
}
.logo_img{
float: left;
}
#header div a {
text-decoration: none;
font-size: 20px;
}
#header div{
float: right;
margin-top: 55px;
}
.book_cond{
margin-left: 500px;
}
.book_cond input{
width: 50px;
text-align: center;
}
/*登录页面CSS样式 */
#login_header{
height: 82px;
width: 1200px;
}
.login_banner{
height:475px;
background-color: #39987c;
}
.login_form{
height:310px;
width:406px;
float: right;
margin-right:50px;
margin-top: 50px;
background-color: #fff;
}
#content {
height: 475px;
width: 1200px;
}
.login_box{
margin: 20px;
height: 260px;
width: 366px;
}
h1 {
font-size: 20px;
}
.msg_cont{
background: none repeat scroll 0 0 #fff6d2;
border: 1px solid #ffe57d;
color: #666;
height: 18px;
line-height: 18px;
padding: 3px 10px 3px 40px;
position: relative;
border: none;
}
.msg_cont b {
background: url("../img/pwd-icons-new.png") no-repeat scroll -104px -22px rgba(0, 0, 0, 0);
display: block;
height: 17px;
left: 10px;
margin-top: -8px;
overflow: hidden;
position: absolute;
top: 50%;
width: 16px;
}
.form .itxt {
border: 0 none;
float: none;
font-family: "宋体";
font-size: 14px;
height: 18px;
line-height: 18px;
overflow: hidden;
padding: 10px 0 10px 10px;
width: 220px;
border: 1px #e3e3e3 solid;
}
#sub_btn{
background-color: #39987c;
border: none;
color: #fff;
width: 360px;
height: 40px;
}
#l_content {
float: left;
margin-top: 150px;
margin-left: 300px;
}
#l_content span {
font-size: 60px;
color: white;
}
.tit h1 {
float: left;
margin-top: 5px;
}
.tit a {
float: right;
margin-left: 10px;
margin-top: 10px;
color: red;
text-decoration: none;
}
.tit .errorMsg {
float: right;
margin-left: 10px;
margin-top: 10px;
color: red;
}
.tit {
height: 30px;
}
/*购物车*/
#main table{
margin: auto;
margin-top: 80px;
border-collapse: collapse;
}
#main table td{
width: 120px;
text-align:center;
border-bottom: 1px #e3e3e3 solid;
padding: 10px;
}
.cart_info{
width: 700px;
text-align: right;
}
.cart_span {
margin-left: 20px;
}
.cart_span span{
color: red;
font-size: 20px;
margin: 10px;
}
.cart_span a , td a{
font-size: 20px;
color: blue;
}
#header div span {
margin: 10px;
}
#header div .um_span{
color: red;
font-size: 25px;
margin: 10px;
}
#header div a {
color: blue;
}
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>书城首页</title>
<link type="text/css" rel="stylesheet" href="static/css/style.css" >
</head>
<body>
<div id="header">
<img class="logo_img" alt="" src="static/img/logo.gif" >
<span class="wel_word">网上书城</span>
<div>
<a href="pages/user/login.html">登录</a> |
<a href="pages/user/regist.html">注册</a>
<a href="pages/cart/cart.html">购物车</a>
<a href="pages/manager/manager.html">后台管理</a>
</div>
</div>
<div id="main">
<div id="book">
<div class="book_cond">
<form action="" method="get">
价格:<input id="min" type="text" name="min" value=""> 元 -
<input id="max" type="text" name="max" value=""> 元
<input type="submit" value="查询" />
</form>
</div>
<div style="text-align: center">
<span>您的购物车中有3件商品</span>
<div>
您刚刚将<span style="color: red">时间简史</span>加入到了购物车中
</div>
</div>
<div class="b_list">
<div class="img_div">
<img class="book_img" alt="" src="static/img/default.jpg" />
</div>
<div class="book_info">
<div class="book_name">
<span class="sp1">书名:</span>
<span class="sp2">时间简史</span>
</div>
<div class="book_author">
<span class="sp1">作者:</span>
<span class="sp2">霍金</span>
</div>
<div class="book_price">
<span class="sp1">价格:</span>
<span class="sp2">¥30.00</span>
</div>
<div class="book_sales">
<span class="sp1">销量:</span>
<span class="sp2">230</span>
</div>
<div class="book_amount">
<span class="sp1">库存:</span>
<span class="sp2">1000</span>
</div>
<div class="book_add">
<button>加入购物车</button>
</div>
</div>
</div>
<div class="b_list">
<div class="img_div">
<img class="book_img" alt="" src="static/img/default.jpg" />
</div>
<div class="book_info">
<div class="book_name">
<span class="sp1">书名:</span>
<span class="sp2">时间简史</span>
</div>
<div class="book_author">
<span class="sp1">作者:</span>
<span class="sp2">霍金</span>
</div>
<div class="book_price">
<span class="sp1">价格:</span>
<span class="sp2">¥30.00</span>
</div>
<div class="book_sales">
<span class="sp1">销量:</span>
<span class="sp2">230</span>
</div>
<div class="book_amount">
<span class="sp1">库存:</span>
<span class="sp2">1000</span>
</div>
<div class="book_add">
<button>加入购物车</button>
</div>
</div>
</div>
<div class="b_list">
<div class="img_div">
<img class="book_img" alt="" src="static/img/default.jpg" />
</div>
<div class="book_info">
<div class="book_name">
<span class="sp1">书名:</span>
<span class="sp2">时间简史</span>
</div>
<div class="book_author">
<span class="sp1">作者:</span>
<span class="sp2">霍金</span>
</div>
<div class="book_price">
<span class="sp1">价格:</span>
<span class="sp2">¥30.00</span>
</div>
<div class="book_sales">
<span class="sp1">销量:</span>
<span class="sp2">230</span>
</div>
<div class="book_amount">
<span class="sp1">库存:</span>
<span class="sp2">1000</span>
</div>
<div class="book_add">
<button>加入购物车</button>
</div>
</div>
</div>
<div class="b_list">
<div class="img_div">
<img class="book_img" alt="" src="static/img/default.jpg" />
</div>
<div class="book_info">
<div class="book_name">
<span class="sp1">书名:</span>
<span class="sp2">时间简史</span>
</div>
<div class="book_author">
<span class="sp1">作者:</span>
<span class="sp2">霍金</span>
</div>
<div class="book_price">
<span class="sp1">价格:</span>
<span class="sp2">¥30.00</span>
</div>
<div class="book_sales">
<span class="sp1">销量:</span>
<span class="sp2">230</span>
</div>
<div class="book_amount">
<span class="sp1">库存:</span>
<span class="sp2">1000</span>
</div>
<div class="book_add">
<button>加入购物车</button>
</div>
</div>
</div>
</div>
<div id="page_nav">
<a href="#">首页</a>
<a href="#">上一页</a>
<a href="#">3</a>
【4】
<a href="#">5</a>
<a href="#">下一页</a>
<a href="#">末页</a>
共10页,30条记录 到第<input value="4" name="pn" id="pn_input"/>页
<input type="button" value="确定">
</div>
</div>
<div id="bottom">
<span>
尚硅谷书城.Copyright ©2015
</span>
</div>
</body>
</html>