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1.货物界面
<!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> <style type="text/css"> #main{ width:100%} #left{ width:20%; float:left} #right{ width:80%; float:left} </style> </head> <body> <?php session_start(); if(empty($_SESSION["uid"])) { header("location:gouwu2.php"); exit; } include("DBDA.php"); $db=new DBDA(); $sql="select * from fruit"; $attr=$db->Query($sql); $gouwuche=array(); if(!empty($_SESSION["gwc"])) { $gouwuche=$_SESSION["gwc"]; } //商品数量 $shuliang=count($gouwuche); //总价 $zongjia=0; foreach($gouwuche as $v) { $sprice="select price from fruit where ids=‘{$v[0]}‘"; $price=$db->StrQuery($sprice); $zongjia=$zongjia+$price*$v[1]; } ?> <div id="main"> <div id="left"> <div><a href="gouwu.php">浏览商品</a></div> <div><a href="gouwu4.php">查看账户</a></div> <div><a href="gouwu3.php">查看购物车</a></div> </div> <div id="right"> <div> 购物车中有：<?php echo $shuliang ?>件商品，总价格为：<?php echo $zongjia ?>元 </div> <table width="100%" border="1" cellpadding="0" cellspacing="0"> <tr> <td>代号</td> <td>名称</td> <td>价格</td> <td>产地</td> <td>库存</td> <td>购买</td> </tr> <?php foreach($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=‘gouwuchuli.php?code={$v[0]}‘>购买</a></td> </tr>"; } ?> </table> </div> </div> </body> </html>
<?php session_start(); //$_SESSION["gwc"]; $code = $_GET["code"]; /*$attr=array( array("coo1",5) );*/ //第一次点击购买 if(empty($_SESSION["gwc"])) { /*$attr=array();//造二维数组外层的数组 $anei=array();//造二维数组里层的数组 $anei[]=$code; $anei[]=1; $attr[]=$anei;*/ $attr=array( array($code,1) ); $_SESSION["gwc"]=$attr; } else { //已经点击过购买 $attr=$_SESSION["gwc"]; //判断该水果是否购买过 $count=0; foreach($attr as $v) { if($v[0]==$code) { $count++; } } //该水果在购物车已存在 if($count>0) { foreach($attr as $k=>$v) { if($v[0]==$code) { $attr[$k][1]=$v[1]+1; } } } else { //该水果在购物车没有出现过 $anei=array($code,1); $attr[]=$anei; } //将修改的数组添加到session里面 $_SESSION["gwc"]=$attr; } header("location:gouwu.php");
2.登陆界面
<!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>
</head>
<body>
<h1>登陆</h1>
<form action="gouwu2chuli.php" method="post">
<div>用户名：<input type="text" name="uid" /></div>
<div>密码：<input type="password" name="pwd" /></div>
<input type="submit" value="登陆" />
</form>
</body>
</html>
<?php session_start(); include("DBDA.php"); $db=new DBDA(); $uid=$_POST["uid"]; $pwd=$_POST["pwd"]; $sql="select password from login where username=‘{$uid}‘"; $mima=$db->StrQuery($sql); if($pwd==$mima && $pwd!="") { $_SESSION["uid"]=$uid; header("location:gouwu.php"); } else { header("location:gouwu2.php"); }
3.购物车
<!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> <style type="text/css"> #main{ width:100%} #left{ width:20%; float:left} #right{ width:80%; float:left} </style> <script src="jquery-1.11.2.min.js"></script> </head> <body> <?php session_start(); if(empty($_SESSION["uid"])) { header("location:gouwu2.php"); exit; } include("DBDA.php"); $db=new DBDA(); $attr=array(); if(!empty($_SESSION["gwc"])) { $attr=$_SESSION["gwc"]; } ?> <div id="main"> <div id="left"> <div><a href="gouwu.php">浏览商品</a></div> <div><a href="gouwu4.php">查看账户</a></div> <div><a href="gouwu3.php">查看购物车</a></div> </div> <div id="right"> <table width="100%" border="1" cellpadding="0" cellspacing="0"> <tr> <td>名称</td> <td>单价</td> <td>数量</td> <td>取消</td> </tr> <?php foreach($attr as $v) { $smcdj="select * from fruit where ids=‘{$v[0]}‘"; $sginfo=$db->Query($smcdj); echo"<tr> <td>{$sginfo[0][1]}</td> <td>{$sginfo[0][2]}</td> <td>{$v[1]}</td> <td><a href=‘gouwu3chuli.php?code={$v[0]}‘>删除</a></td> </tr>"; } ?> </table> <div> <a id="tj" href="gouwu3chuli2.php">提交订单</a> <span id="xinxi"></span> </div> </div> </div> <script type="text/javascript"> $(document).ready(function(e) { $("#tj").click(function(){ var bs=false; $.ajax({ async:false, url:"gouwu3chuli3.php", dataType:"TEXT", success: function(data) { if(data.trim()=="OK") { bs="true"; } else { $("#xinxi").html(data); $("#xinxi").css("color","#F00"); } } }); return bs; }) }); </script> </body> </html>
<?php session_start(); $attr=$_SESSION["gwc"]; $code=$_GET["code"]; foreach($attr as $k=>$v) { if($v[0]==$code) { //判断数量是否大于1 if($v[1]>1) { $attr[$k][1]=$attr[$k][1]-1; } else { unset($attr[$k]); } } } $_SESSION["gwc"]=$attr; header("location:gouwu3.php");
<?php session_start(); include("DBDA.php"); $db = new DBDA(); //购物车信息 $attr = $_SESSION["gwc"]; //取登录者用户名 $uid = $_SESSION["uid"]; //总价 $zongjia = 0; foreach($attr as $v) { $sprice = "select price from fruit where ids=‘{$v[0]}‘"; $price = $db->StrQuery($sprice); $zongjia = $zongjia + $price*$v[1]; } //1.减余额 $sjian = "update login set account = account-{$zongjia} where username=‘{$uid}‘"; $db->Query($sjian,0); //2.减库存 foreach($attr as $v) { $skjian = "update fruit set numbers = numbers-{$v[1]} where ids=‘{$v[0]}‘"; $db->Query($skjian,0); } //3.添加订单信息 $ordercode = date("YmdHis"); $time = date("Y-m-d H:i:s"); $sdingdan = "insert into orders values(‘{$ordercode}‘,‘{$uid}‘,‘{$time}‘)"; $db->Query($sdingdan,0); //添加订单详情 foreach($attr as $v) { $sxiangqing = "insert into orderdetails values(‘‘,‘{$ordercode}‘,‘{$v[0]}‘,‘{$v[1]}‘)"; $db->Query($sxiangqing,0); } header("location:gouwu.php");
<?php session_start(); include("DBDA.php"); $db = new DBDA(); //取出购物车信息 $attr = $_SESSION["gwc"]; //取出登录者用户名 $uid = $_SESSION["uid"]; //总价 $zongjia = 0; foreach($attr as $v) { $sprice = "select price from fruit where ids=‘{$v[0]}‘"; $price = $db->StrQuery($sprice); $zongjia = $zongjia + $price*$v[1]; } //余额 $sql = "select account from login where username=‘{$uid}‘"; $yue = $db->StrQuery($sql); if($yue>=$zongjia) { //判断库存 $daihao = ""; foreach($attr as $v) { //取到库存 $skucun = "select numbers from fruit where ids=‘{$v[0]}‘"; $kucun = $db->StrQuery($skucun); //如果库存小于数量 if($kucun<$v[1]) { $daihao = $v[0]; break; } } if($daihao =="") { echo "OK"; } else { $sname = "select name from fruit where ids=‘{$daihao}‘"; $name = $db->StrQuery($sname); echo "{$name}库存不足！"; } } else { echo "余额不足！"; }
4.余额界面
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <style type="text/css"> #main{ width:100%} #left{ width:20%; float:left} #right{ width:80%; float:left} </style> </head> <body> <?php session_start(); if(empty($_SESSION["uid"])) { header("location:gouwu2.php"); exit; } include("DBDA.php"); $db=new DBDA(); $uid=$_SESSION["uid"]; $sql="select account from login where username=‘{$uid}‘"; $yue=$db->StrQuery($sql); ?> <div id="main"> <div id="left"> <div><a href="gouwu.php">浏览商品</a></div> <div><a href="gouwu4.php">查看账户</a></div> <div><a href="gouwu3.php">查看购物车</a></div> </div> <div id="right"> 您的账户余额为：<?php echo $yue ?>元 </div> </div> </body> </html>
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原文地址：http://www.cnblogs.com/bilibiliganbei/p/5628051.html
