/// <summary>
/// 获取购物车商品数量
/// </summary>
/// <param name="context"></param>
private void GetShoppingCartGoodNum(System.Web.HttpContext context)
{
context.Response.ContentType = "application/json";
context.Response.Write("{\"success\":true,\"num\":\"" + ShoppingCartProcessor.GetShoppingCartNum() + "\"}");
}