c#中合并excel表格的方法示例

using System;using System.Collections.Generic;using System.Text;using System.Reflection;using Excel = Microsoft.Office.Interop.Excel;namespace ConsoleApplication20{   //添加引用-COM-MicroSoft Excel 11.0 Object Libery   class Program  {     static  void Main( string [] args)    {       //M为表格宽度标志（Excel中的第M列为最后一列），3为表头高度      MergeExcel.DoMerge( new  string []       {        @ "E:/excel/类型A/公司A.xls" ,         @ "E:/excel/类型A/公司B.xls"       },        @ "E:/excel/类型A/合并测试.xls" , "M" , 3);      MergeExcel.DoMerge( new  string []       {        @ "E:/excel/类型B/统计表A.xls" ,         @ "E:/excel/类型B/统计表B.xls"       },        @ "E:/excel/类型B/合并测试.xls" , "I" , 4);    }      }   public  class MergeExcel  {        Excel.Application app = new Microsoft.Office.Interop.Excel.ApplicationClass();     //保存目标的对象    Excel.Workbook bookDest = null ;    Excel.Worksheet sheetDest = null ;     //读取数据的对象     Excel.Workbook bookSource = null ;    Excel.Worksheet sheetSource = null ;     string [] _sourceFiles = null ;     string _destFile = string .Empty;     string _columnEnd = string .Empty;     int _headerRowCount = 1;     int _currentRowCount = 0;     public MergeExcel( string [] sourceFiles, string destFile, string columnEnd, int headerRowCount)    {            bookDest = (Excel.WorkbookClass)app.Workbooks.Add(Missing.Value);      sheetDest = bookDest.Worksheets.Add(Missing.Value, Missing.Value, Missing.Value, Missing.Value) as Excel.Worksheet;      sheetDest.Name = "Data" ;      _sourceFiles = sourceFiles;      _destFile = destFile;      _columnEnd = columnEnd;      _headerRowCount = headerRowCount;    }     /// <summary>     /// 打开工作表     /// </summary>     /// <param name="fileName"></param>     void OpenBook( string fileName)    {      bookSource = app.Workbooks._Open(fileName, Missing.Value, Missing.Value, Missing.Value, Missing.Value        , Missing.Value, Missing.Value, Missing.Value, Missing.Value        , Missing.Value, Missing.Value, Missing.Value, Missing.Value);      sheetSource = bookSource.Worksheets[1] as Excel.Worksheet;    }     /// <summary>     /// 关闭工作表     /// </summary>     void CloseBook()    {      bookSource.Close( false , Missing.Value, Missing.Value);    }     /// <summary>     /// 复制表头     /// </summary>     void CopyHeader()    {      Excel.Range range = sheetSource.get_Range( "A1" , _columnEnd + _headerRowCount.ToString());      range.Copy(sheetDest.get_Range( "A1" ,Missing.Value));      _currentRowCount += _headerRowCount;    }     /// <summary>     /// 复制数据     /// </summary>     void CopyData()    {       int sheetRowCount = sheetSource.UsedRange.Rows.Count;      Excel.Range range = sheetSource.get_Range( string .Format( "A{0}" , _headerRowCount + 1), _columnEnd + sheetRowCount.ToString());      range.Copy(sheetDest.get_Range( string .Format( "A{0}" , _currentRowCount + 1), Missing.Value));      _currentRowCount += range.Rows.Count;    }     /// <summary>     /// 保存结果     /// </summary>     void Save()    {      bookDest.Saved = true ;      bookDest.SaveCopyAs(_destFile);    }     /// <summary>     /// 退出进程     /// </summary>     void Quit()    {      app.Quit();    }     /// <summary>     /// 合并     /// </summary>     void DoMerge()    {       bool b = false ;       foreach ( string strFile in _sourceFiles)      {        OpenBook(strFile);         if (b == false )        {          CopyHeader();          b = true ;        }        CopyData();        CloseBook();      }      Save();      Quit();    }     /// <summary>     /// 合并表格     /// </summary>     /// <param name="sourceFiles">源文件</param>     /// <param name="destFile">目标文件</param>     /// <param name="columnEnd">最后一列标志</param>     /// <param name="headerRowCount">表头行数</param>     public  static  void DoMerge( string [] sourceFiles, string destFile, string columnEnd, int headerRowCount)    {       new MergeExcel(sourceFiles, destFile, columnEnd, headerRowCount).DoMerge();    }  }}