C#合并多个结构一样的Excel

王朝c#·作者佚名  2008-08-20
宽屏版  字体: |||超大  

合并代码如下:

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();

}

}

}

 
 
 
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