帝国CMS模板调用购物车商品数量和总价
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | <? 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。< br />点击查看 < a href = '/e/ShopSys/buycar/' >结算>></ a > </ div >"; } ?> |