PHP+Mysql简单实现了图书购物车
本文主要讲述如何通过PHP+HTML简单实现图书购物车的功能，这是提取我们php项目的部分内容。主要内容包括：
1.通过JavaScript和Iframe实现局部布局界面
2.PHP如何定义类实现访问数据库功能
3.实现简单的添加购物车功能
4.实现了后台管理前台的页面
由于这个项目是在期末完成，PHP只是刚学的，比较简单。
效果图如下：
这是后台管理的页面：
这是前台页面：
index.php页面：
!DOCTYPE html>
html lang="zh-cn">
head>
meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
meta http-equiv="X-UA-Compatible" content="IE=edge">
meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
meta name="renderer" content="webkit">
title>后台管理中心/title>
link rel="stylesheet" href="css/pintuer.css" rel="external nofollow" rel="external nofollow" >
link rel="stylesheet" href="css/admin.css" rel="external nofollow" rel="external nofollow" >
script src="js/jquery.js">/script>
/head>
body style="background-color:#f2f9fd;">
div class="header bg-main">
div class="logo margin-big-left fadein-top">
h1>img src="images/y.jpg" class="radius-circle rotate-hover" height="50" alt="" />图书管理中心/h1>
/div>
div class="head-l">a class="button button-little bg-green" href="home/index.php" rel="external nofollow" target="_blank">span class="icon-home">/span> 前台首页/a> nbsp;nbsp;a class="button button-little bg-red" href="../lab/login.php" rel="external nofollow" >span class="icon-power-off">/span> 登录账号/a> /div>
/div>
div class="leftnav">
div class="leftnav-title">strong>span class="icon-list">/span>菜单列表/strong>/div>
h2>span class="icon-user">/span>基本设置/h2>
ul style="display:block">
li>a href="info.php" rel="external nofollow" target="right">span class="icon-caret-right">/span>查询信息/a>/li>
li>a href="page.php" rel="external nofollow" target="right">span class="icon-caret-right">/span>添加信息/a>/li>
li>a href="adv.php" rel="external nofollow" target="right">span class="icon-caret-right">/span>修改信息/a>/li>
li>a href="book.php" rel="external nofollow" target="right">span class="icon-caret-right">/span>删除信息/a>/li>
li>a href="pass.html" rel="external nofollow" target="right">span class="icon-caret-right">/span>修改密码/a>/li>
/ul>
/div>
ul class="bread">
li>a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="" class="icon-home"> 首页/a>/li>
li>a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" id="a_leader_txt">网站信息/a>/li>
li>b>当前语言：/b>span style="color:red;">中文/php>/span>
nbsp;nbsp;nbsp;nbsp;nbsp;切换语言：a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >中文/a> nbsp;nbsp;a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >英文/a> /li>
/ul>
div class="admin">
iframe scrolling="auto" rameborder="0" src="info.php" name="right" width="100%" height="100%">/iframe>
/div>
div style="text-align:center;">
/div>
/body>
/html>
login.php页面：
!DOCTYPE html>
html lang="zh-cn">
head>
meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
meta http-equiv="X-UA-Compatible" content="IE=edge">
meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
meta name="renderer" content="webkit">
title>登录/title>
link rel="stylesheet" href="css/pintuer.css" rel="external nofollow" rel="external nofollow" >
link rel="stylesheet" href="css/admin.css" rel="external nofollow" rel="external nofollow" >
script src="js/jquery.js">/script>
script src="js/pintuer.js">/script>
/head>
body>
div class="bg">/div>
div class="container">
div class="line bouncein">
div class="xs6 xm4 xs3-move xm4-move">
div style="height:150px;">/div>
div class="media media-y margin-big-bottom">
/div>
form action="login_ok.php" method="post">
div class="panel loginbox">
div class="text-center margin-big padding-big-top">h1>图书管理中心/h1>/div>
div class="panel-body" style="padding:30px; padding-bottom:10px; padding-top:10px;">
div class="form-group">
div class="field field-icon-right">
input type="text" class="input input-big" placeholder="登录账号" name="username" data-validate="required:请填写账号" />
span class="icon icon-user margin-small">/span>
/div>
/div>
div class="form-group">
div class="field field-icon-right">
input type="password" class="input input-big" placeholder="登录密码" name="password" data-validate="required:请填写密码" />
span class="icon icon-key margin-small">/span>
/div>
/div>
div class="form-group">
div class="field">
input type="text" class="input input-big" name="code" placeholder="填写右侧的验证码" data-validate="required:请填写右侧的验证码" />
img src="images/passcode.jpg" alt="" width="80" height="32" class="passcode" style="height:43px;cursor:pointer;" onclick="this.src=this.src+'?'">
/div>
/div>
/div>
div style="padding:30px;">input type="submit" class="button button-block bg-main text-big input-big" value="登录">/div>
/div>
/form>
/div>
/div>
/div>
/body>
/html>
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