enhance(meter):基本完成表计大部分功能的放置。

vo/meter.go

@@ -0,0 +1,38 @@
+package vo
+
+import "github.com/shopspring/decimal"
+
+type MeterCreationForm struct {
+	Code             string              `json:"code"`
+	Address          *string             `json:"address"`
+	Ratio            decimal.Decimal     `json:"ratio"`
+	Seq              int64               `json:"seq"`
+	MeterType        int16               `json:"meterType"`
+	Building         *string             `json:"building"`
+	OnFloor          *string             `json:"onFloor"`
+	Area             decimal.NullDecimal `json:"area"`
+	Enabled          bool                `json:"enabled"`
+	MeterReadingForm `json:"-"`
+}
+
+type MeterModificationForm struct {
+	Address   *string             `json:"address"`
+	Seq       int64               `json:"seq"`
+	Ratio     decimal.Decimal     `json:"ratio"`
+	Enabled   bool                `json:"enabled"`
+	MeterType int16               `json:"meterType"`
+	Building  *string             `json:"building"`
+	OnFloor   *string             `json:"onFloor"`
+	Area      decimal.NullDecimal `json:"area"`
+}
+
+type NewMeterForReplacingForm struct {
+	Code    string           `json:"code"`
+	Ratio   decimal.Decimal  `json:"ratio"`
+	Reading MeterReadingForm `json:"reading"`
+}
+
+type MeterReplacingForm struct {
+	OldReading MeterReadingForm         `json:"oldReading"`
+	NewMeter   NewMeterForReplacingForm `json:"newMeter"`
+}

vo/reading.go

@@ -0,0 +1,16 @@
+package vo
+
+import (
+	"electricity_bill_calc/types"
+
+	"github.com/shopspring/decimal"
+)
+
+type MeterReadingForm struct {
+	Overall  decimal.Decimal `json:"overall"`
+	Critical decimal.Decimal `json:"critical"`
+	Peak     decimal.Decimal `json:"peak"`
+	Flat     decimal.Decimal `json:"flat"`
+	Valley   decimal.Decimal `json:"valley"`
+	ReadAt   *types.DateTime `json:"readAt"`
+}