表单Python插件，根据一字段过滤另一个辅助资料列表

import clr
clr.AddReference('mscorlib')
clr.AddReference('Kingdee.BOS.Core')
from System import *
from Kingdee.BOS.Core.DynamicForm.PlugIn import *
from Kingdee.BOS.Core.DynamicForm.PlugIn.Args import *
from Kingdee.BOS.Util import *

def BeforeF7Select(e):
    if (e.FieldKey.Equals("F_XVKJ_LCB", StringComparison.OrdinalIgnoreCase)):
        if this.Model.GetValue("F_XVKJ_ddlb") is None:
            return
        #取得界面上字段的值，添加到列表过滤
        glz=str(this.Model.GetValue("F_XVKJ_ddlb")[1])
        # 增加辅助资料列表快捷过滤
        kjgl=" FNumber like '" + glz +"%'"
        #this.View.ShowMessage(kjgl)
        e.ListFilterParameter.Filter = StringUtils.JoinFilterString(e.ListFilterParameter.Filter, kjgl);