package http // ArgTradeCallback . type ArgTradeCallback struct { MSGID int64 `form:"msgId" validate:"required"` MSGContent string `form:"msgContent" validate:"required"` } // ArgTradeRefund . type ArgTradeRefund struct { OrderID string `form:"order_id" validate:"required"` } // ArgTradeRefunds . type ArgTradeRefunds struct { OrderIDs []string `form:"order_ids,split" validate:"required"` }