package enum type MediumSettlementType int32 const ( MediumSettlementTypeForDay = 1 MediumSettlementTypeForWeek = 2 MediumSettlementTypeForMonth = 3 MediumSettlementTypeForPaymentInAdvance = 4 ) func (gt MediumSettlementType) String() string { switch gt { case MediumSettlementTypeForDay: return "日结" case MediumSettlementTypeForWeek: return "周结" case MediumSettlementTypeForMonth: return "月结" case MediumSettlementTypeForPaymentInAdvance: return "预付" default: return "未知" } }