深入帝國CMS調(diào)用購物車商品數(shù)量和總價的方法

<?php /** * 根據(jù)Cookie值對購物車商品數(shù)量和總價格調(diào)用 */ require("class/connect.php"); $totalProducts = 0; //購物車商品總數(shù) $totalPrice = 0.0; //購物車商品總價 // |77,243|2!|77,237|3! $cookieString = explode("!",$_COOKIE[&#39;zeuqcmybuycar&#39;]); try{ //遍歷商品 for($i = 0; $i < count($cookieString)-1; $i++){ $priceAndNumber = explode("|",$cookieString[$i]); $thisNum = $priceAndNumber[2]; //當前商品的數(shù)量 $thisId = explode(",",$priceAndNumber[1]); $thisId = $thisId[1]; //當前商品的ID $thisPrice = this_price($thisId); //當前商品價格 $totalPrice += $thisPrice * $thisNum; //購物車商品總價累加 $totalProducts += $thisNum; //購物車商品總數(shù)累加 } echo "document.write("".displayResultJs($totalPrice,$totalProducts)."")"; //顯示結(jié)果Js形式輸出 }catch (Exception $e){ echo $e->getMessage(); } /**計算商品價格*/ function?this_price($id){ $connect?=?connectDB(); $query?=?"select?price?from?phome_ecms_news?where?id?=?".$id; if(!$connect){ throw?new?Exception("數(shù)據(jù)庫鏈接不成功,請檢查!"); } if(!$result?=?$connect?-&gt;?query($query)){ throw?new?Exception("查詢失敗!"); } $row?=?$result?-&gt;?fetch_assoc(); return?$row['price']; } /**鏈接數(shù)據(jù)庫*/ function?connectDB(){ global?$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); $connect?-&gt;?query("set?Names?".$phome_db_char); return?$connect; } /**顯示結(jié)果Js*/ function?displayResultJs($totalPrice,$totalProducts){ return?"<div>您的購物車中有?{$totalProducts}?件商品，總計金額?￥{$totalPrice}元。 點擊查看?<a>結(jié)算&gt;&gt;</a>?</div>"; } ?&gt;