帝国CMS模板调用购物车商品数量和总价

帝国教程 强烈建议 2024-03-04 08:33 94 0

  

  /**

  * 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 "

您的购物车中有 {$totalProducts} 件商品,总计金额 ¥{$totalPrice}元。
点击查看 结算>>
";

  }

  ?>

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