我设置一个static变量$itemNum来存储购物车中商品的数量,都是测试的时候发现$itemNum的值一直为1,不管我购买几个商品都是1,static不起作用,请问这是怎么回事?<?php
include ("include/setting.inc.php");
include ("include/conn.php");
session_start();
mysql_query("SET NAMES 'UTF8'");
if(!isset($_SESSION['admin'])&&$_SESSION['admin']==false){
echo '<SCRIPT LANGUAGE="javascript">';
echo "alert('请先登录');";
echo "location.href='login.php'";
echo '</SCRIPT>';
}
else{
$_SESSION['file']="";
}
static $itemNum=0; //购物车商品数量
$bookid=$_GET['id'];
$str="select * from books where b_id=".$bookid;
$result=mysql_query($str);
$row=mysql_fetch_array($result);
$_SESSION['$bookid']['bookname']=$row['b_name'];
$_SESSION['$bookid']['bookprice']=$row['b_price'];
$_SESSION['$bookid']['booknum']=1;
$_SESSION['$bookid']['booktotal']=$_SESSION['$bookid']['booknum']*$_SESSION['$bookid']['bookprice'];
$itemNum++;
$_SESSION['itemNum']=$itemNum;
echo $itemNum;
?>
include ("include/setting.inc.php");
include ("include/conn.php");
session_start();
mysql_query("SET NAMES 'UTF8'");
if(!isset($_SESSION['admin'])&&$_SESSION['admin']==false){
echo '<SCRIPT LANGUAGE="javascript">';
echo "alert('请先登录');";
echo "location.href='login.php'";
echo '</SCRIPT>';
}
else{
$_SESSION['file']="";
}
static $itemNum=0; //购物车商品数量
$bookid=$_GET['id'];
$str="select * from books where b_id=".$bookid;
$result=mysql_query($str);
$row=mysql_fetch_array($result);
$_SESSION['$bookid']['bookname']=$row['b_name'];
$_SESSION['$bookid']['bookprice']=$row['b_price'];
$_SESSION['$bookid']['booknum']=1;
$_SESSION['$bookid']['booktotal']=$_SESSION['$bookid']['booknum']*$_SESSION['$bookid']['bookprice'];
$itemNum++;
$_SESSION['itemNum']=$itemNum;
echo $itemNum;
?>
你应该用 session 保存该数据
$_SESSION['itemNum']++;
{
foreach($row as $k => $v)
echo $k.' : '.$v;
}
echo "$编号<br />";
foreach($商品 as $k=>$v) {
echo substr($k, 4) . ": $v<br />";
}
}