Ajax + PHP session制作购物车_网络技术_宿州市腾雀网络科技有限公司

Ajax + PHP session制作购物车

发布时间 - 2026-01-11 01:56:42 点击率：次

购物车网页代码，具体内容如下

1.登录界面login.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="../jquery-1.11.2.min.js"></script>
<title>无标题文档</title>
</head>

<body>
<div>用户名：<input type="text" id="uid" /></div>
<div>密码：<input type="text" id="pwd" /></div>
<input type="button" value="登录" id="btn" />
</body>
<script type="text/javascript">
$("#btn").click(function(){
  var uid = $("#uid").val();
  var pwd = $("#pwd").val();
  $.ajax({
      url:"loginchuli.php",
      data:{u:uid,p:pwd},
      type:"POST",
      dataType:"TEXT",
      success: function(data){
        if(data.trim()=="OK")
        {
          window.location.href="main.php" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ;
        }
        else
        {
          alert("用户名或密码错误");
        }
      }
    })
  })
</script>
</html>

2.登录处理页面loginchuli.php

<?php
session_start();

include("../DBDA.class.php");
$db = new DBDA();
$uid = $_POST["u"];
$pwd = $_POST["p"];
$sql = "select password from login where username='{$uid}'";
$mm = $db->StrQuery($sql);
if($mm==$pwd && $pwd!="")
{
  $UserName = $_POST["uid"];
  $_SESSION["uid"]=$uid;
  echo "OK";
}
else
{
  echo "NO";
}

3.主页面main.php

<?php
session_start();
include("../DBDA.class.php");
$db = new DBDA();
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title><br />
<style type="text/css">
.list{ width:100%; height:30px; margin-top:10px; text-align:center; line-height:30px; vertical-align:middle}
</style>
</head>
<body>
<div style="width:100%; height:100px; background-color:#6CC">
  <h1 style="float:left">大苹果商城</h1>
  <a style="float:right; margin-top:40px" href="zhuxiao.php">注销</a>
</div>
<br />
<div style="width:100%; height:600px">
  <div id="left" style="width:20%; float:left">
    <a href="main.php"><div class="list">浏览商品</div></a>
    <a href="zhanghu.php"><div class="list">查看账户</div></a>
    <a href="gouwuche.php"><div class="list">查看购物车</div></a>
  </div>
  
  <div id="right" style="width:80%; float:left">

<?php
  $agwc = array();
  if(!empty($_SESSION["gwc"]))
  {
    $agwc = $_SESSION["gwc"];
  }
  $zhonglei = count($agwc);
  $sum = 0;
  foreach($agwc as $v)
  {
    $sql = "select price from fruit where ids='{$v[0]}'";
    $danjia = $db->StrQuery($sql);
    $sum = $sum +$danjia*$v[1];
  }
  echo "<div>购物车中有:{$zhonglei}种商品，总价格为:{$sum}元.</div>";
  ?>

    <table width="100%" border="1" cellpadding="0" cellspacing="0">
    <tr>
      <td>代号</td>
      <td>水果名称</td>
      <td>水果价格</td>
      <td>源产地</td>
      <td>库存量</td>
      <td>操作</td>
    </tr>

 <?php   
    $sql = "select * from fruit";
    $attr = $db->Query($sql);
    
    foreach($attr as $v)
    {
      echo "<tr><td>{$v[0]}</td>
      <td>{$v[1]}</td>
      <td>{$v[2]}</td>
      <td>{$v[3]}</td>
      <td>{$v[4]}</td>
      <td><a href='goumai.php?code={$v[0]}'>购买</a></td></tr>";
    }
    ?>    

    </table>
  </div>
</div>

</body>
</html>

4.购买处理页面goumai.php

<?php
session_start();
$code = $_GET["code"];

if(empty($_SESSION["gwc"]))
{
  //第一次点击购买
  $attr = array(
    array($code,1)
  );
  $_SESSION["gwc"] = $attr;
}
else
{
  //不是第一次点击购买
  $attr = $_SESSION["gwc"];
  $bs=0;
  foreach($attr as $k=>$v)
  {
    if($v[0]==$code)
    {
      $bs=1;
      $attr[$k][1] = $attr[$k][1]+1;
    }
  }
  //如果没有在数组里面出现
  if($bs==0)
  {
    $shuzu = array($code,1);
    $attr[] = $shuzu;
  }
  
  $_SESSION["gwc"]=$attr;
  
}
header("location:main.php");

5.订单处理页面，计算选取水果的总价，和水果剩余量。dingdan.php

<?php
session_start();
include("../DBDA.class.php");
$db = new DBDA();
$uid = $_SESSION["uid"];
$attr = array();
if(!empty($_SESSION["gwc"]))
{
  $attr = $_SESSION["gwc"];
}
//看下两个条件是否都满足
$bs = true;

//判断余额是否满足
  //根据用户名找余额
  $syue = "select account from login where username='{$uid}'";
  $yue = $db->StrQuery($syue);
  
  //根据购物车数组取总金额
  $sum = 0;
  foreach($attr as $v)
  {
    $sql = "select price from fruit where ids='{$v[0]}'";
    $danjia = $db->StrQuery($sql);
    $sum = $sum +$danjia*$v[1];
  }
  if($yue<$sum)
  {
    $bs = false;
    echo "YEBUZU";
    exit;
  }
  
//判断库存是否满足

foreach($attr as $v)
{
  $skucun = "select name,numbers from fruit where ids='{$v[0]}'";
  $akucun = $db->Query($skucun);
  if($akucun[0][1]<$v[1])
  {
    $bs = false;
    echo "{$akucun[0][0]}库存不足！";
    exit;
    
  }
}

//添加订单，减库存，减余额

if($bs)
{
  //减库存
  foreach($attr as $v)
  {
    $sql = "update fruit set numbers = numbers-{$v[1]} where ids='{$v[0]}'";
    $db->Query($sql,0);
  }
  
  //减余额
  $jianyue="update login set account=account-{$sum} where username='{$uid}'";
  $db->Query($jianyue,0);
  
  //添加订单
  $dingdanhao = $uid+date("YmdHis");
  $t = time();
  
  $sorder = "insert into orders values('{$dingdanhao}','{$uid}','{$t}')";
  $db->Query($sorder,0);
  
  foreach($attr as $v)
  {
    $sxq = "insert into orderdetails values('','{$dingdanhao}','{$v[0]}','{$v[1]}')";
    $db->Query($sxq,0);
  }
}

echo "OK";

6.购物车页面

<?php
session_start();
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title><br />
<style type="text/css">
.list{ width:100%; height:30px; margin-top:10px; text-align:center; line-height:30px; vertical-align:middle}
</style>
<script src="../../jquery-1.11.2.min.js"></script>
</head>

<body>
<div style="width:100%; height:100px; background-color:#6CC">
  <h1 style="float:left">大苹果商城</h1>
  <a style="float:right; margin-top:40px" href="zhuxiao.php">注销</a>
</div>
<br />
<div style="width:100%; height:600px">
  <div id="left" style="width:20%; float:left">
    <a href="main.php"><div class="list">浏览商品</div></a>
    <a href="zhanghu.php"><div class="list">查看账户</div></a>
    <a href="gouwuche.php"><div class="list">查看购物车</div></a>
  </div>
  
  <div id="right" style="width:80%; float:left">
    <table width="100%" border="1" cellpadding="0" cellspacing="0">
    <tr>
      <td>商品名称</td>
      <td>商品单价</td>
      <td>购买数量</td>
      <td>操作</td>
    </tr>

<?php
    include("../DBDA.class.php");
    $db = new DBDA();
    $attr=array();
    if(!empty($_SESSION["gwc"]))
    {
      $attr = $_SESSION["gwc"];
    }
    
    foreach($attr as $k=>$v)
    {
      $sql = "select name,price from fruit where ids='{$v[0]}'";
      $ashuiguo = $db->Query($sql);
    
      echo "<tr><td>{$ashuiguo[0][0]}</td><td>{$ashuiguo[0][1]}</td><td>{$v[1]}</td><td><a href='shanchu.php?sy={$k}'>删除</a></td></tr>";
      
    }
    
    ?>

    </table>
    <div id="tj">提交订单</div><div id="ts"></div>
  </div>
</div>

<script type="text/javascript">
$("#tj").click(function(){
    $.ajax({
        url:"dingdan.php",
        dataType:"TEXT",
        success: function(data){
            if(data.trim()=="OK")
            {
              alert("购买成功");
            }
            else if(data.trim()=="YEBUZU")
            {
              $("#ts").html("余额不足");
              $("#ts").css("color","red");
            }
            else
            {
              $("#ts").html(data);
              $("#ts").css("color","red");
            }
          }
      });
  })
</script>
</body>
</html>

7.购物车页面删除处理页面shanchu.php

<?php
session_start();

$sy = $_GET["sy"];

$attr = $_SESSION["gwc"];

if($attr[$sy][1]>1)
{
  $attr[$sy][1] = $attr[$sy][1]-1;
}
else
{
  unset($attr[$sy]);
  $attr = array_values($attr);
}
$_SESSION["gwc"]=$attr;

header("location:gouwuche.php");

8.账户余额页面zhanghu.php


<?php
session_start();
$uid = $_SESSION['uid'];
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title><br />
<style type="text/css">
.list{ width:100%; height:30px; margin-top:10px; text-align:center; line-height:30px; vertical-align:middle}
</style>
</head>
<body>
<div style="width:100%; height:100px; background-color:#6CC">
  <h1 style="float:left">大苹果商城</h1>
  <a style="float:right; margin-top:40px" href="zhuxiao.php">注销</a>
</div>
<br />
<div style="width:100%; height:600px">
  <div id="left" style="width:20%; float:left">
    <a href="main.php"><div class="list">浏览商品</div></a>
    <a href="zhanghu.php"><div class="list">查看账户</div></a>
    <a href="gouwuche.php"><div class="list">查看购物车</div></a>
  </div>  
  <div id="right" style="width:80%; height:150px; float:left">

<?php
    include("../DBDA.class.php");
    $db = new DBDA();
    $sql = "select Account from login where UserName='{$uid}'";
    $result = $db->strQuery($sql);
    
    echo ("您的账户中还剩余".$result);
  ?>

  </div>
</div>

</body>
</html>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

# Ajax # PHP # session # 购物车 # PHP实现负载均衡下的session共用功能 # PHP实现分布式memcache设置web集群session同步的方法 # PHP+Session防止表单重复提交的解决方法 # redis 替代php文件存储session的实例 # php基于session锁防止阻塞请求的方法分析 # PHP编程中的Session阻塞问题与解决方法分析 # 详解PHP使用Redis存储session时的一个Warning定位 # php如何修改SESSION的生存存储时间的实例代码 # 深入浅析PHP的session反序列化漏洞问题 # PHP session实现购物车功能 # PHP学习笔记之session # 无标题文档 # 您的 # 中有 # 如果没有 # 具体内容 # 大家多多 # 总金额 # 网页代码 # 源产地 # url

相关栏目：【网站优化151355 】【网络推广146373 】【网络技术251813 】【 AI营销90571 】

上一篇：html5怎么缩放图片_html5用CSS transfor

下一篇：打造卓越在线体验：高端网站设计与建设策略探析

相关栏目网站优化
网络推广
网络技术
AI营销

最新文章 Sublime怎么一键压缩JS代码 Su sublime如何在搜索中使用正则表达式 Sublime如何设置透明窗口效果 Su mysql如何设计商品表结构_mysql css属性背景图不显示怎么办_通过检查路如何使用Golang实现排序_Golan 农历闰月是怎么回事_为合回归年加一月调整塑造《刺客信条》艾吉奥传奇的编剧离开育碧 1英里等于多少公里 1mile和km的换 css grid布局中行和列是如何定义的 PS批量旋转和翻转图片，快速校正图片方向 C# Swagger UI自定义方法 C OPPO手机九宫格和全键盘怎么切换_OP Go语言如何实现用户登录注册_Golan 1节飞行速度多少公里每小时 1节是多少公纸嫁衣8千子树第五章庙门怎么开启庙门 Laravel 多行数据编辑表单中实现逐明日之后如何提升钓鱼等级明日之后提升钓支付宝怎样查年度账单_支付宝年度账单查看 C# 多线程UI更新Dispatcher

上一篇：html5怎么缩放图片_html5用CSS transfor

下一篇：打造卓越在线体验：高端网站设计与建设策略探析