https://help.grapecity.com.cn/pages/viewpage.action?pageId=5963808
https://demo.grapecity.com.cn/spreadjs/SpreadJSTutorial/home
file:///E:/GoogleDownload/2018-06-08/SpreadJS.Production.V11.1/SpreadJS.Production.V11.1/Docs/Spread.Sheets.Docs.11.1.0/content/webframe.html#SpreadJS~GC.Spread.Sheets_namespace.html