C#如何新建Excel

项目，右击 引用——添加引用（COM组件，需要安装office才有）

程序，添加引用

类，添加代码

[DllImport("User32.dll", CharSet = CharSet.Auto)]

初始化

            Excel.Application EApp;  //Excel应用程序

            Excel.Workbook EWBook;  //Excel文档

            Excel.Worksheet WSheet;

            EApp = new Excel.ApplicationClass();

新建表

              object nothing = Missing.Value;

              EWBook = EApp.Workbooks.Add(nothing);

              WSheet = EWBook.Worksheets[1] as Excel.Worksheet;

保存工作簿

WSheet.SaveAs(EPath, Missing.Value, Missing.Value, Missing.Value, Missing.Value,Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);

EWBook.Save();