php 团购折扣计算公式
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2020-12-19
01:01:21
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php 团购折扣计算公式团购折扣计算公式
复制代码 代码如下:
$price=$row[‘price’]; //原价
$nowprice=$row[‘nowprice’]; //现价
$jiesheng=$price-$nowprice; //节省金额
//$discount折扣计算
if ( $nowprice > 0 )
{
$discount = round(10 / ($price / $nowprice), 1);
}
else
{
$discount = 0;
}
if ( $discount <= 0 ) $discount = 0;
完整代码:
复制代码 代码如下:
<!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=gb2312″ />
<title>徐州汽车网最新团购</title>
<style type=”text/css”>
body{margin: 0 auto; text-align:center; padding:0}
ul,li{margin:0; padding:0;list-style:none}
body,td,th {
font-size: 12px;
}
a:link {
color: #333333;
text-decoration: none;
}
a:visited {
text-decoration: none;
color: #333333;
}
a:hover {
text-decoration: none;
color: #FF3300;
}
a:active {
text-decoration: none;
}
img{border:0;}
/*Group buy*/
.groupbuy{ width:970px; border:1px solid #FEDDBA; padding:4px;}
.groupbuy ul{width:146px; border:1px solid #FEDDBA; padding:2px; height:180px; float:left; margin:0 4px;}
.groupbuy ul li{ text-align:center;}
.groupbuy ul li.realprice{ background:#333; background:url(../images/groupprice.jpg) no-repeat right top; height:40px; line-
height:40px; font-family:”Microsoft YaHei”,Arial;display:block; font-weight:bold;color:#fff;}
.groupbuy ul li.realprice img{ cursor:pointer;}
.groupbuy ul li.realprice span{float:left; margin:0; padding:0}
.groupbuy ul li.realprice span b{ font-size:18px;}
.groupbuy ul li.supprice{ text-align:center;}
.groupbuy ul li.supprice div table td{ background:#FDF4E3; text-align:center; }
</style>
</head>
<body>
<?php
error_reporting(0);
header(“Content-type: text/html; charset=gbk”);
$con = mysql_connect(“localhost”,”mysql用户名”,”mysql密码”);
if (!$con)
{
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