物料清单复制新增时，不携带源单生效日期，赋值当前日期。

#物料清单复制新增时，默认生效日期为当前日期

# -*- coding:utf-8 -*-

import clr

import sys

clr.AddReference('Kingdee.BOS.App')

clr.AddReference('Kingdee.BOS')

clr.AddReference('Kingdee.BOS.Core')

clr.AddReference('System.Drawing')

clr.AddReference("Kingdee.BOS.ServiceHelper")

from System import *

from System.Collections.Generic import *

from System.Threading import *

from Kingdee.BOS.Core import *

from System import DateTime

from Kingdee.BOS.Core.Bill import *

from Kingdee.BOS.Core.Bill.PlugIn import *

from Kingdee.BOS.Core.DynamicForm import *

from Kingdee.BOS.App.Data import DBUtils

from Kingdee.BOS.App.Data import DataReaderEnumerable

from Kingdee.BOS.Core.List import *

from Kingdee.BOS.Core.List.PlugIn import *

from Kingdee.BOS.Core.Metadata import *

from Kingdee.