#引入clr运行库
import clr
#添加对cloud插件开发的常用组件的引用
clr.AddReference('System')
clr.AddReference('System.Data')
clr.AddReference('Kingdee.BOS')
clr.AddReference('Kingdee.BOS.DataEntity')
clr.AddReference('Kingdee.BOS.Core')
clr.AddReference('Kingdee.BOS.App')
clr.AddReference('Kingdee.BOS.App.Core')
clr.AddReference('Kingdee.BOS.ServiceHelper')
#导入cloud基础库中的常用实体对象（分命名空间导入，不会递归导入）
from Kingdee.BOS import *
from Kingdee.BOS.Core import *
from Kingdee.BOS.Core.DependencyRules import *
from Kingdee.BOS.Core.Bill import *
from Kingdee.BOS.Core.DynamicForm.PlugIn import *
from Kingdee.BOS.Core.DynamicForm.PlugIn.ControlModel import *
from System import *
from System.Data import *
from Kingdee.BOS.App.Data import *
from System.Collections.Generic import List
from Kingdee.BOS.ServiceHelper import *
from Kingdee.BOS.Core.DynamicForm import *
from Kingdee.BOS.Core.Metadata.EntityElement import *
from Kingdee.BOS.Core.Metadata.FieldElement import *
from Kingdee.BOS.Orm.DataEntity import *

def AfterBindData(e):
	showQrcode(this.View.Model.GetValue("FBARCODE"));
def DataChanged(e):
	fldKey=e.Field.Key.ToUpperInvariant();
	if(fldKey=="FBARCODE"):
		showQrcode(e.NewValue);
def showQrcode(e):
	qrCodeContent ="[Customer]"+str(e);
	qrCode = this.View.LayoutInfo.GetControlAppearance("F_BEC_Barcode_1xj");
	qrCode.DataBound = qrCodeContent;
	this.View.UpdateView("F_BEC_Barcode_1xj");

方便说一下需求背景嘛