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/supplier/third_party/init.go

@@ -0,0 +1,48 @@
+/***************************************************
+ ** @Desc : 注册上游支付接口
+ ** @Time : 2019/10/28 14:48
+ ** @Author : yueBin
+ ** @File : init
+ ** @Last Modified by : yueBin
+ ** @Last Modified time: 2019/10/28 14:48
+ ** @Software: GoLand
+****************************************************/
+package third_party
+
+import (
+	"gateway/supplier"
+	"github.com/beego/beego/v2/core/logs"
+)
+
+//添加新的上游通道时，需要添加这里
+var supplierCode2Name = map[string]string{
+	"KF":     "快付支付",
+	"WEIXIN": "官方微信",
+	"ALIPAY": "官方支付宝",
+	"DAILI":  "代丽支付",
+}
+
+var registerSupplier = make(map[string]supplier.PayInterface)
+
+//注册各种上游的支付接口
+
+func init() {
+	registerSupplier["KF"] = new(KuaiFuImpl)
+	logs.Notice(CheckSupplierByCode("KF"))
+
+	registerSupplier["DAILI"] = new(DaiLiImpl)
+	logs.Notice(CheckSupplierByCode("DAILI"))
+}
+
+func GetPaySupplierByCode(code string) supplier.PayInterface {
+	return registerSupplier[code]
+}
+
+func CheckSupplierByCode(code string) string {
+	for k, v := range supplierCode2Name {
+		if k == code {
+			return v + "，注册完毕"
+		}
+	}
+	return "未找到上游名称，注册有问题。"
+}