本文实例讲述了帝国cms调用购物车商品数量和总价的方法。分享给大家供大家参考。具体实现方法如下：
代码如下:
<?php/*** 根据cookie值对购物车商品数量和总价格调用*/require("class/connect.php");$totalproducts = 0; //购物车商品总数$totalprice = 0.0; //购物车商品总价// |77,243|2!|77,237|3!$cookiestring = explode("!",$_cookie['zeuqcmybuycar']);try{//遍历商品for($i = 0; $i < count($cookiestring)-1; $i++){$priceandnumber = explode("|",$cookiestring[$i]);$thisnum = $priceandnumber[2]; //当前商品的数量$thisid = explode(",",$priceandnumber[1]);$thisid = $thisid[1]; //当前商品的id$thisprice = this_price($thisid); //当前商品价格$totalprice += $thisprice * $thisnum; //购物车商品总价累加$totalproducts += $thisnum; //购物车商品总数累加}echo "document.write(\"".displayresultjs($totalprice,$totalproducts)."\")"; //显示结果js形式输出}catch (exception $e){echo $e->getmessage();}/**计算商品价格*/function this_price($id){$connect = connectdb();$query = "select price from phome_ecms_news where id = ".$id;if(!$connect){throw new exception("数据库链接不成功,请检查!");}if(!$result = $connect -> query($query)){throw new exception("查询失败!");}$row = $result -> fetch_assoc();return $row['price'];}/**链接数据库*/function connectdb(){global $phome_db_server,$phome_db_username,$phome_db_password,$phome_db_dbname,$phome_db_char;$connect = new mysqli($phome_db_server,$phome_db_username,$phome_db_password,$phome_db_dbname);$connect -> query("set names ".$phome_db_char);return $connect;}/**显示结果js*/function displayresultjs($totalprice,$totalproducts){return "<div class='car'>您的购物车中有 {$totalproducts} 件商品，总计金额 ￥{$totalprice}元。点击查看 <a href='/e/shopsys/buycar/'>结算>></a> </div>";}?>
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