EXCEL COPY

   //宋吉峰使用EXCEL变量定义开始         public Microsoft.Office.Interop.Excel.Application excelApp = null;         public Microsoft.Office.Interop.Excel.Workbook book = null;         public Microsoft.Office.Interop.Excel.Application app = null;         public Microsoft.Office.Interop.Excel.Workbook workBook = null;         public Microsoft.Office.Interop.Excel.Worksheet sheet = null;         public Microsoft.Office.Interop.Excel.Worksheet workSheet = null;         public Microsoft.Office.Interop.Excel.Range range = null;         public String Input_StrArr = "";         //宋吉峰使用EXCEL变量定义结束

        public ExcelHelper()         {         }

        /// <summary>         /// 创建一个Excel对象         /// </summary>         public void Create()         {             App = new Application() { Visible = false };             Wbs = App.Workbooks;             Wb = Wbs.Add(Missing);         }

        /// <summary>         /// //打开一个Excel文件         /// </summary>         /// <param name="fileName"></param>         public void Open(string fileName)         {             App = new Application();             Wbs = App.Workbooks;             Wb = Wbs.Add(fileName);             FileName = fileName;         }         public void CopyWorkSheet(int srcSheetIndex, int aimSheetIndex, string newSheetName,string filename)         {             app = new Microsoft.Office.Interop.Excel.Application();             app.Visible = false;   //若为true，删除瞬间可以看见 office excel界面             //打开excel文件

            workBook = app.Workbooks.Add(filename);

            //得到WorkSheet对象             workSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Sheets.get_Item(1);

            if (srcSheetIndex > workBook.Sheets.Count || aimSheetIndex > workBook.Sheets.Count)             {

                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");             }

            try             {                 Microsoft.Office.Interop.Excel.Worksheet srcSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Sheets.get_Item(srcSheetIndex);                 Microsoft.Office.Interop.Excel.Worksheet aimSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Sheets.get_Item(aimSheetIndex);

                srcSheet.Copy(Missing, aimSheet);

                //重命名                 workSheet = (Microsoft.Office.Interop.Excel.Worksheet)aimSheet.Next;  //获取新拷贝的工作表                 workSheet.Name = newSheetName;                 string str = "";                 string s = System.DateTime.Now.Date.Year.ToString() + "-" + System.DateTime.Now.Date.Month.ToString() + "-" + System.DateTime.Now.Date.Day.ToString() + "-" + System.DateTime.Now.Date.Hour.ToString() + "-" + System.DateTime.Now.Date.Minute.ToString() + "-" + System.DateTime.Now.Second.ToString() + "-" + System.DateTime.Now.Millisecond.ToString();                 s = s + ".xls";                 str = filename.ToString().ToLower().Replace(".xls", s);                 //保存编辑                 // SaveAs();                 workBook.SaveAs(str, XlFileFormat.xlWorkbookNormal,                           Missing, Missing, Missing, Missing,                           XlSaveAsAccessMode.xlNoChange,                           Missing, Missing, Missing, Missing, Missing);                 //关闭book                 workBook.Close(Missing, Missing, Missing);                 //退出excel application，可以将前面的excelApp.Visible = false改为excelApp.Visible = true看看;                 app.Workbooks.Close();                 app.Quit();          

            }             catch (Exception e)             {

                throw e;             }         }         public void CopyWorkSheets(int srcSheetIndex, int aimSheetIndex, string newSheetName, string filename)         {             app = new Microsoft.Office.Interop.Excel.Application();             app.Visible = false;   //若为true，删除瞬间可以看见 office excel界面             //打开excel文件

            workBook = app.Workbooks.Add(filename);

            //得到WorkSheet对象             workSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Sheets.get_Item(1);

            if (srcSheetIndex > workBook.Sheets.Count || aimSheetIndex > workBook.Sheets.Count)             {

                throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");             }

               for (int j = 1; j < workSheet.UsedRange.Rows.Count;j++ )                     {                 for (int i = 1; i < workSheet.UsedRange.Columns.Count; i++)                 {                                           Microsoft.Office.Interop.Excel.Range range = workSheet.get_Range(workSheet.Cells[j, i], workSheet.Cells[j, i]);

                        if (range.Text.ToString() == "$$")                         {                            ((Range) workSheet.Cells[j, i]).Value2 = (i.ToString() + "==" + j.ToString());

                        }                     }                 }

                string str = "";                 string s = System.DateTime.Now.Date.Year.ToString() + "-" + System.DateTime.Now.Date.Month.ToString() + "-" + System.DateTime.Now.Date.Day.ToString() + "-" + System.DateTime.Now.Date.Hour.ToString() + "-" + System.DateTime.Now.Date.Minute.ToString() + "-" + System.DateTime.Now.Second.ToString() + "-" + System.DateTime.Now.Millisecond.ToString();                 s = s + ".xls";                 str = filename.ToString().ToLower().Replace(".xls", s);                 //保存编辑                 // SaveAs();                 workBook.SaveAs(str, XlFileFormat.xlWorkbookNormal,                           Missing, Missing, Missing, Missing,                           XlSaveAsAccessMode.xlNoChange,                           Missing, Missing, Missing, Missing, Missing);                 //关闭book                 workBook.Close(Missing, Missing, Missing);                 //退出excel application，可以将前面的excelApp.Visible = false改为excelApp.Visible = true看看;                 app.Workbooks.Close();                 app.Quit();

                    }