問(wèn)題描述

<h2>大蘋果購(gòu)物網(wǎng)</h2>

<?php session_start(); include("DADB.class.php"); $db=new DADB(); ?> <table border="1" width="100%" cellpadding="0" cellspacing="0"> <tr> <td>代號(hào)</td> <td>水果名稱</td> <td>水果價(jià)格</td> <td>原產(chǎn)地</td> <td>貨架</td> <td>庫(kù)存量</td> <td></td> </tr> <?php $uid=$_SESSION["uid"]; $sql="select * from fruit"; $arr=$db->Query($sql); foreach($arr as $v) { echo"<tr> <td>{$v[0]}</td> // 從數(shù)據(jù)庫(kù)調(diào)出我們所需要的內(nèi)容 <td>{$v[1]}</td> <td>{$v[2]}</td> <td>{$v[3]}</td> <td>{$v[4]}</td> <td>{$v[5]}</td> <td><a href='add.php?ids={$v[0]}'>添加</a></td> //這里的購(gòu)物相當(dāng)于添加購(gòu)物車的功能 </tr>"; } ?> <?php //這里顯示的是 購(gòu)物車有多少產(chǎn)品，和產(chǎn)品的總價(jià)格 $ann=array(); if(!empty($_SESSION["gwc"])) { $ann=$_SESSION["gwc"]; } $zhonglei = count($ann); $sum=0; foreach($ann as $k) { $sql1="select price from fruit where ids='{$v[0]}'"; $danjia=$db->Query($sql1); foreach($danjia as $n) { $sum=$sum + $n[0]*$k[1]; } } echo"購(gòu)物車有<mark>{$zhonglei}</mark>種商品，總價(jià)格為<mark>{$sum}</mark>元"; ?> </table> <div> <a href="gouwuche.php" rel="external nofollow" rel="external nofollow" >查看購(gòu)物車</a> <a href="main.php" rel="external nofollow" rel="external nofollow" >瀏覽商品</a> <a href="zhanghu.php" rel="external nofollow" rel="external nofollow" >查看賬戶</a> </div> </body>

問(wèn)題解答

我也想問(wèn)。。怎么寫

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