如何实现下推生成检验单按序列号拆划分行后在明细表体显示序列号编码

需求描述：按序列号检验时，检验单单据类型中设置了按序列号拆分行，下推生成的检验单想要在明细表体显示使用决策表体的序列号；

解决方案：由于下推生成检验单携带上游单据的序列号以及序列号拆分行都是在单据转换插件中处理的。因此该需求需要二开单据转换插件实现，详细方案如下：

1、在检验单明细表体增加文本类型字段；

2、下推生成检验单的单据转换规则的插件策略处注册python插件，插件代码示例如下：

import clr

clr.AddReference("System")

clr.AddReference('Kingdee.BOS')

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

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

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

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

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

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

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

from System import*

from System import StringComparison

from Kingdee.BOS import *

from Kingdee.BOS.Core import *

from Kingdee.BOS.Core.Bill import *

from Kingdee.BOS.Orm.DataEntity import *

from Kingdee.BOS.App import *

from Kingdee.BOS.App.Core import *

from Kingdee.BOS.App.Data import *

from Kingdee.BOS.Contracts import *

from Kingdee.BOS.Core.Metadata.ConvertElement.PlugIn import*

from Kingdee.BOS.Core.Metadata.ConvertElement.PlugIn.Args import*

from Kingdee.BOS.ServiceHelper import *

from System.Collections.Generic import *

def AfterConvert(e):  

    billEntity = e.Result.FindByEntityKey("FBillHead") 

    for billhead in billEntity:  

        entrys=billhead["Entity"]  

        for entity in entrys:#循环处理    

            serialDatas =entity["PolicyDetail"]    

            snNo=""     

            for serialData in serialDatas:  

                serialObj=serialData["SerialId"]    

                snNo=str