修改网关代码的结构，调整了逻辑，删除了许多无用的代码

gateway/query/supplier_query.go

@@ -0,0 +1,109 @@
+/***************************************************
+ ** @Desc : 自动查询上游的支付结果
+ ** @Time : 2019/11/22 23:02
+ ** @Author : yuebin
+ ** @File : order_query
+ ** @Last Modified by : yuebin
+ ** @Last Modified time: 2019/11/22 23:02
+ ** @Software: GoLand
+****************************************************/
+package query
+
+import (
+	"fmt"
+	"gateway/conf"
+	"gateway/message"
+	"gateway/models/order"
+	"gateway/supplier/third_party"
+	"github.com/beego/beego/v2/core/logs"
+	"github.com/go-stomp/stomp"
+	"os"
+	"time"
+)
+
+type OrderQueryTask struct {
+	BankOrderId     string
+	OrderQueryTimer *time.Timer
+	Times           int
+}
+
+const (
+	DelayTime  = 5 //延时时间为5分钟查询一次
+	LimitTimes = 5 //最多查询5次
+)
+
+/*
+** 该接口是查询上游的订单
+ */
+func solveSupplierOrderQuery(task OrderQueryTask) {
+	bankOrderId := task.BankOrderId
+	orderInfo := order.GetOrderByBankOrderId(bankOrderId)
+	if orderInfo.BankOrderId == "" || len(orderInfo.BankOrderId) == 0 {
+		logs.Error("不存在这样的订单，订单查询结束")
+		return
+	}
+	if orderInfo.Status != "" && orderInfo.Status != "wait" {
+		logs.Error(fmt.Sprintf("该订单=%s，已经处理完毕，", bankOrderId))
+		return
+	}
+	supplierCode := orderInfo.PayProductCode
+	supplier := third_party.GetPaySupplierByCode(supplierCode)
+	flag := supplier.PayQuery(orderInfo)
+	if flag {
+		logs.Info("订单查询成功， bankOrderId：", bankOrderId)
+	} else {
+		if task.Times <= LimitTimes {
+			task.Times += 1
+			task.OrderQueryTimer = time.NewTimer(time.Duration(5) * time.Minute)
+			DelayOrderQueryQueue(task)
+		} else {
+			logs.Notice(fmt.Sprintf("订单id=%s, 已经查询超过次数"))
+		}
+	}
+}
+
+/*
+* 延时队列
+ */
+func DelayOrderQueryQueue(task OrderQueryTask) {
+	for {
+		select {
+		case <-task.OrderQueryTimer.C:
+			logs.Info(fmt.Sprintf("订单id=%s,执行第：%d 次查询", task.BankOrderId, task.Times))
+			solveSupplierOrderQuery(task)
+			return
+		case <-time.After(time.Duration(2*DelayTime) * time.Minute):
+			return
+		}
+	}
+}
+
+/*
+** 启动消息订单查询的消息队列消费者
+ */
+func CreateSupplierOrderQueryCuConsumer() {
+	conn := message.GetActiveMQConn()
+	if conn == nil {
+		logs.Error("supplier order query consumer fail")
+		os.Exit(1)
+	}
+	logs.Notice("启动订单查询的消费者成功.....")
+	orderQuerySub, _ := conn.Subscribe(conf.MqOrderQuery, stomp.AckClient)
+
+	for {
+		select {
+		case v := <-orderQuerySub.C:
+			if v != nil {
+				bankOrderId := string(v.Body)
+				logs.Info("消费者正在处理订单查询： " + bankOrderId)
+				task := OrderQueryTask{BankOrderId: bankOrderId, OrderQueryTimer: time.NewTimer(time.Second * 1), Times: 1}
+				DelayOrderQueryQueue(task)
+				//应答，重要
+				err := conn.Ack(v)
+				if err != nil {
+					logs.Error("消息应答失败！")
+				}
+			}
+		}
+	}
+}