购物车网页代码
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"; } else { alert("用户名或密码错误"); } } }) }) </script> </html>
2.登录处理页面loginchuli.php
1 <?php 2 session_start(); 3 4 include("../DBDA.class.php"); 5 $db = new DBDA(); 6 $uid = $_POST["u"]; 7 $pwd = $_POST["p"]; 8 $sql = "select password from login where username='{$uid}'"; 9 $mm = $db->StrQuery($sql); 10 if($mm==$pwd && $pwd!="") 11 { 12 $UserName = $_POST["uid"]; 13 $_SESSION["uid"]=$uid; 14 echo "OK"; 15 } 16 else 17 { 18 echo "NO"; 19 }
3.主页面main.php
1 <?php 2 session_start(); 3 include("../DBDA.class.php"); 4 $db = new DBDA(); 5 ?> 6 7 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 8 <html xmlns="http://www.w3.org/1999/xhtml"> 9 <head> 10 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 11 <title>无标题文档</title><br /> 12 <style type="text/css"> 13 .list{ 100%; height:30px; margin-top:10px; text-align:center; line-height:30px; vertical-align:middle} 14 </style> 15 </head> 16 <body> 17 <div style="100%; height:100px; background-color:#6CC"> 18 <h1 style="float:left">大苹果商城</h1> 19 <a style="float:right; margin-top:40px" href="zhuxiao.php">注销</a> 20 </div> 21 <br /> 22 <div style="100%; height:600px"> 23 <div id="left" style="20%; float:left"> 24 <a href="main.php"><div class="list">浏览商品</div></a> 25 <a href="zhanghu.php"><div class="list">查看账户</div></a> 26 <a href="gouwuche.php"><div class="list">查看购物车</div></a> 27 </div> 28 29 <div id="right" style="80%; float:left"> 30 31 <?php 32 $agwc = array(); 33 if(!empty($_SESSION["gwc"])) 34 { 35 $agwc = $_SESSION["gwc"]; 36 } 37 $zhonglei = count($agwc); 38 $sum = 0; 39 foreach($agwc as $v) 40 { 41 $sql = "select price from fruit where ids='{$v[0]}'"; 42 $danjia = $db->StrQuery($sql); 43 $sum = $sum +$danjia*$v[1]; 44 } 45 echo "<div>购物车中有:{$zhonglei}种商品，总价格为:{$sum}元.</div>"; 46 ?> 47 48 <table width="100%" border="1" cellpadding="0" cellspacing="0"> 49 <tr> 50 <td>代号</td> 51 <td>水果名称</td> 52 <td>水果价格</td> 53 <td>源产地</td> 54 <td>库存量</td> 55 <td>操作</td> 56 </tr> 57 58 <?php 59 $sql = "select * from fruit"; 60 $attr = $db->Query($sql); 61 62 foreach($attr as $v) 63 { 64 echo "<tr><td>{$v[0]}</td> 65 <td>{$v[1]}</td> 66 <td>{$v[2]}</td> 67 <td>{$v[3]}</td> 68 <td>{$v[4]}</td> 69 <td><a href='goumai.php?code={$v[0]}'>购买</a></td></tr>"; 70 } 71 ?> 72 73 </table> 74 </div> 75 </div> 76 77 </body> 78 </html>
4.购买处理页面goumai.php
1 <?php 2 session_start(); 3 $code = $_GET["code"]; 4 5 if(empty($_SESSION["gwc"])) 6 { 7 //第一次点击购买 8 $attr = array( 9 array($code,1) 10 ); 11 $_SESSION["gwc"] = $attr; 12 } 13 else 14 { 15 //不是第一次点击购买 16 $attr = $_SESSION["gwc"]; 17 $bs=0; 18 foreach($attr as $k=>$v) 19 { 20 if($v[0]==$code) 21 { 22 $bs=1; 23 $attr[$k][1] = $attr[$k][1]+1; 24 } 25 } 26 //如果没有在数组里面出现 27 if($bs==0) 28 { 29 $shuzu = array($code,1); 30 $attr[] = $shuzu; 31 } 32 33 $_SESSION["gwc"]=$attr; 34 35 } 36 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
1 <?php 2 session_start(); 3 include("../DBDA.class.php"); 4 $db = new DBDA(); 5 $uid = $_SESSION["uid"]; 6 $attr = array(); 7 if(!empty($_SESSION["gwc"])) 8 { 9 $attr = $_SESSION["gwc"]; 10 } 11 //看下两个条件是否都满足 12 $bs = true; 13 14 //判断余额是否满足 15 //根据用户名找余额 16 $syue = "select account from login where username='{$uid}'"; 17 $yue = $db->StrQuery($syue); 18 19 //根据购物车数组取总金额 20 $sum = 0; 21 foreach($attr as $v) 22 { 23 $sql = "select price from fruit where ids='{$v[0]}'"; 24 $danjia = $db->StrQuery($sql); 25 $sum = $sum +$danjia*$v[1]; 26 } 27 if($yue<$sum) 28 { 29 $bs = false; 30 echo "YEBUZU"; 31 exit; 32 } 33 34 //判断库存是否满足 35 36 foreach($attr as $v) 37 { 38 $skucun = "select name,numbers from fruit where ids='{$v[0]}'"; 39 $akucun = $db->Query($skucun); 40 if($akucun[0][1]<$v[1]) 41 { 42 $bs = false; 43 echo "{$akucun[0][0]}库存不足！"; 44 exit; 45 46 } 47 } 48 49 //添加订单，减库存，减余额 50 51 if($bs) 52 { 53 //减库存 54 foreach($attr as $v) 55 { 56 $sql = "update fruit set numbers = numbers-{$v[1]} where ids='{$v[0]}'"; 57 $db->Query($sql,0); 58 } 59 60 //减余额 61 $jianyue="update login set account=account-{$sum} where username='{$uid}'"; 62 $db->Query($jianyue,0); 63 64 //添加订单 65 $dingdanhao = $uid+date("YmdHis"); 66 $t = time(); 67 68 $sorder = "insert into orders values('{$dingdanhao}','{$uid}','{$t}')"; 69 $db->Query($sorder,0); 70 71 foreach($attr as $v) 72 { 73 $sxq = "insert into orderdetails values('','{$dingdanhao}','{$v[0]}','{$v[1]}')"; 74 $db->Query($sxq,0); 75 } 76 } 77 78 echo "OK";
6.购物车页面
1 <?php 2 session_start(); 3 ?> 4 5 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 6 <html xmlns="http://www.w3.org/1999/xhtml"> 7 <head> 8 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 9 <title>无标题文档</title><br /> 10 <style type="text/css"> 11 .list{ 100%; height:30px; margin-top:10px; text-align:center; line-height:30px; vertical-align:middle} 12 </style> 13 <script src="../../jquery-1.11.2.min.js"></script> 14 </head> 15 16 <body> 17 <div style="100%; height:100px; background-color:#6CC"> 18 <h1 style="float:left">大苹果商城</h1> 19 <a style="float:right; margin-top:40px" href="zhuxiao.php">注销</a> 20 </div> 21 <br /> 22 <div style="100%; height:600px"> 23 <div id="left" style="20%; float:left"> 24 <a href="main.php"><div class="list">浏览商品</div></a> 25 <a href="zhanghu.php"><div class="list">查看账户</div></a> 26 <a href="gouwuche.php"><div class="list">查看购物车</div></a> 27 </div> 28 29 <div id="right" style="80%; float:left"> 30 <table width="100%" border="1" cellpadding="0" cellspacing="0"> 31 <tr> 32 <td>商品名称</td> 33 <td>商品单价</td> 34 <td>购买数量</td> 35 <td>操作</td> 36 </tr> 37 38 <?php 39 include("../DBDA.class.php"); 40 $db = new DBDA(); 41 $attr=array(); 42 if(!empty($_SESSION["gwc"])) 43 { 44 $attr = $_SESSION["gwc"]; 45 } 46 47 foreach($attr as $k=>$v) 48 { 49 $sql = "select name,price from fruit where ids='{$v[0]}'"; 50 $ashuiguo = $db->Query($sql); 51 52 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>"; 53 54 } 55 56 ?> 57 58 </table> 59 <div id="tj">提交订单</div><div id="ts"></div> 60 </div> 61 </div> 62 63 <script type="text/javascript"> 64 $("#tj").click(function(){ 65 $.ajax({ 66 url:"dingdan.php", 67 dataType:"TEXT", 68 success: function(data){ 69 if(data.trim()=="OK") 70 { 71 alert("购买成功"); 72 } 73 else if(data.trim()=="YEBUZU") 74 { 75 $("#ts").html("余额不足"); 76 $("#ts").css("color","red"); 77 } 78 else 79 { 80 $("#ts").html(data); 81 $("#ts").css("color","red"); 82 } 83 } 84 }); 85 }) 86 </script> 87 </body> 88 </html>
7.购物车页面删除处理页面shanchu.php
1 <?php 2 session_start(); 3 4 $sy = $_GET["sy"]; 5 6 $attr = $_SESSION["gwc"]; 7 8 if($attr[$sy][1]>1) 9 { 10 $attr[$sy][1] = $attr[$sy][1]-1; 11 } 12 else 13 { 14 unset($attr[$sy]); 15 $attr = array_values($attr); 16 } 17 $_SESSION["gwc"]=$attr; 18 19 header("location:gouwuche.php"); 20 21 8.账户余额页面zhanghu.php 22 23 24 <?php 25 session_start(); 26 $uid = $_SESSION['uid']; 27 ?> 28 29 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 30 <html xmlns="http://www.w3.org/1999/xhtml"> 31 <head> 32 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 33 <title>无标题文档</title><br /> 34 <style type="text/css"> 35 .list{ 100%; height:30px; margin-top:10px; text-align:center; line-height:30px; vertical-align:middle} 36 </style> 37 </head> 38 <body> 39 <div style="100%; height:100px; background-color:#6CC"> 40 <h1 style="float:left">大苹果商城</h1> 41 <a style="float:right; margin-top:40px" href="zhuxiao.php">注销</a> 42 </div> 43 <br /> 44 <div style="100%; height:600px"> 45 <div id="left" style="20%; float:left"> 46 <a href="main.php"><div class="list">浏览商品</div></a> 47 <a href="zhanghu.php"><div class="list">查看账户</div></a> 48 <a href="gouwuche.php"><div class="list">查看购物车</div></a> 49 </div> 50 <div id="right" style="80%; height:150px; float:left"> 51 52 <?php 53 include("../DBDA.class.php"); 54 $db = new DBDA(); 55 $sql = "select Account from login where UserName='{$uid}'"; 56 $result = $db->strQuery($sql); 57 58 echo ("您的账户中还剩余".$result); 59 ?> 60 61 </div> 62 </div> 63 64 </body> 65 </html>