数据驱动、坚持为客户提供有价值的服务和内容
实例1：从Excel程序到Excel表 书本中的内容（第7页）：
程序清单1.1. 在Excel中从Application对象到Worksheet
Dim myWorkbooks As Excel.Workbooks = app.WorkbooksDim myWorkbook As Excel.Workbook = myWorkbooks.Item(1)Dim myWorksheets As Excel.Sheets = myWorkbook.
