添加获取所有边缘节点接口；重构相关数据结构与服务逻辑

web/domains/edge/types.go

@@ -23,6 +23,19 @@ func ISPFromStr(str string) ISP {
 	return IspUnknown
 }
 
+func ISPToStr(isp ISP) string {
+	switch isp {
+	case IspChinaTelecom:
+		return "电信"
+	case IspChinaUnicom:
+		return "联通"
+	case IspChinaMobile:
+		return "移动"
+	default:
+		return "未知"
+	}
+}
+
 type Type int32
 
 const (