### 注册表单插件
在采购订单中注册一个python脚本的表单插件
### python脚本示例
```python
import clr
clr.AddReference('mscorlib')
clr.AddReference('System')
clr.AddReference('System.Data')
clr.AddReference('Kingdee.BOS.App')
clr.AddReference('Kingdee.BOS.ServiceHelper')
from System import *
from System.Data import *
from Kingdee.BOS.App.Data import *
from Kingdee.BOS.ServiceHelper import *
def AfterCreateNewData(e):
this.View.Model.SetValue("FPurchaserId",GetBuyerByUser(),0)
def GetBuyerByUser():
orgId = this.Context.CurrentOrganizationInfo.ID
userId = this.Context.UserId
sql = """SELECT t0.FENTRYID FROM T_BD_OPERATORENTRY t0
INNER JO
