增加套餐相关代码

pkg/serverconfigs/plan_price_types.go

@@ -0,0 +1,24 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package serverconfigs
+
+type PlanPriceType = string
+
+const (
+	PlanPriceTypeBandwidth PlanPriceType = "bandwidth"
+	PlanPriceTypePeriod    PlanPriceType = "period"
+)
+
+func FindPlanPriceTypeName(priceType PlanPriceType) string {
+	switch priceType {
+	case PlanPriceTypeBandwidth:
+		return "带宽用量"
+	case PlanPriceTypePeriod:
+		return "时间周期"
+	}
+	return ""
+}
+
+type PlanBandwidthPrice struct {
+	Base float32 `yaml:"base" json:"base"` // 基础价格，单位是 元/GB
+}