OrderSessionHelper查看订单在session是否存在的辅助类

1.

package com.biotool.web.controller.helper;
import org.apache.commons.lang3.StringUtils;
import javax.servlet.http.HttpSession;
import java.util.Objects;
    public class OrderSessionHelper{
        public static final String BIOTOOL_PAID = "biotool_paid";
        //将成功付款的订单保存到session
        public static void setPaidOrderInSession(HttpSession session, String orderNo) {
            if (StringUtils.isNotBlank(orderNo)) {
                orderNo = orderNo.trim().toUpperCase();
                session.setAttribute(BIOTOOL_PAID + orderNo, orderNo);
            }
        }

        //检查session中是否有订单付款信息
        public  static  boolean hasPaidOrderInSession(HttpSession session, String orderNo) {
            boolean result = false;
            if (StringUtils.isNotBlank(orderNo)) {
                orderNo = orderNo.trim().toUpperCase();
                result = orderNo.equals(Objects.toString(session.getAttribute(BIOTOOL_PAID + orderNo)));
            }
            return result;
        }

        //
        public static  boolean noPaidOrderInSession(HttpSession session, String orderNo) {
            return  !hasPaidOrderInSession(session, orderNo);
        }
    }