帝国CMS怎么调用购物车商品数量
帝国cms模板调用购物车商品数量和总价的方法，一起来看看吧：
代码如下：
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。结算>> 
