添加包装类型常量

models/jit/const.go

@@ -17,6 +17,10 @@ const (
 	SHIP_STATUS_CHANGE_TYPE_SHIP = "SHIP"
 	SHIP_STATUS_CHANGE_TYPE_TRANSFER = "TRANSFER"
 
+	// 包装单类型
+	PACK_TYPE_STD = "STD"
+	PACK_TYPE_INT = "INT"
+
 	// 发运状态
 	SHIP_STATUS_UNPLANED = 10 // 未计划
 	SHIP_STATUS_PLANNED  = 20 // 已计划