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/models/merchant/merchant_load_info.go

@@ -0,0 +1,56 @@
+/***************************************************
+ ** @Desc : This file for ...
+ ** @Time : 2019/11/22 13:07
+ ** @Author : yuebin
+ ** @File : merchant_load_info
+ ** @Last Modified by : yuebin
+ ** @Last Modified time: 2019/11/22 13:07
+ ** @Software: GoLand
+****************************************************/
+package merchant
+
+import (
+	"github.com/beego/beego/v2/client/orm"
+	"github.com/beego/beego/v2/core/logs"
+)
+
+type MerchantLoadInfo struct {
+	Id          int
+	Status      string
+	MerchantUid string
+	RoadUid     string
+	LoadDate    string
+	LoadAmount  float64
+	UpdateTime  string
+	CreateTime  string
+}
+
+const MERCHANT_LOAD_INFO = "merchant_load_info"
+
+func GetMerchantLoadInfoByMap(params map[string]string) []MerchantLoadInfo {
+	o := orm.NewOrm()
+	qs := o.QueryTable(MERCHANT_LOAD_INFO)
+	for k, v := range params {
+		if len(v) > 0 {
+			qs = qs.Filter(k, v)
+		}
+	}
+	var merchantLoadList []MerchantLoadInfo
+	_, err := qs.Limit(-11).All(&merchantLoadList)
+	if err != nil {
+		logs.Error("get merchant load info fail: ", err)
+	}
+	return merchantLoadList
+}
+
+func IsExistMerchantLoadByParams(params map[string]string) bool {
+	o := orm.NewOrm()
+	qs := o.QueryTable(MERCHANT_LOAD_INFO)
+	for k, v := range params {
+		if len(v) > 0 {
+			qs = qs.Filter(k, v)
+		}
+	}
+
+	return qs.Exist()
+}