IMPORTRANGE 多久刷新一次?

How frequently does IMPORTRANGE refresh?

importrange 函数刷新和重新加载源数据的频率如何?

关闭时

Never.Spreadsheets 仅更新外部 api onOpen()。但是没有文档,将来可能会改变。

打开时,30 minutes

Functions that pull data from outside the spreadsheet recalculate at the following times:
ImportRange: 30 minutes
ImportHtml, ImportFeed, ImportData, ImportXml: 1 hour
GoogleFinance: may be delayed up to 20 minutes

打开电子表格会刷新所有函数。