用C#代码操作Excel，运行Excel宏

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Windows.Forms;
using Excel = Microsoft.Office.Interop.Excel;
using Microsoft.Office.Core;

namespace DoVBAMacro
{
/// <summary>
/// 执行Excel VBA宏帮助类
/// </summary>
public class ExcelMacroHelper
{
/// <summary>
/// 执行Excel中的宏
/// </summary>
/// <param name="excelFilePath">Excel文件路径</param>
/// <param name="macroName">宏名称</param>
/// <param name="parameters">宏参数组</param>
/// <param name="rtnValue">宏返回值</param>
/// <param name="isShowExcel">执行时是否显示Excel</param>
//public void RunExcelMacro(string excelFilePath, string macroName, object[] parameters, out object rtnValue, bool isShowExcel)
public void RunExcelMacro(string excelFilePath, string macroName, object[] parameters, object rtnValue, bool isShowExcel)
{
try
{
#region 检查入参
//检查文件是否存在
if (!File.Exists(excelFilePath))
{
MessageBox.Show(excelFilePath + " 文件不存在");
//return;
}
// 检查是否输入宏名称
if (string.IsNullOrEmpty(macroName))
{
MessageBox.Show("请输入宏的名称");
//return;
}
#endregion

#region 调用宏处理
// 准备打开Excel文件时的缺省参数对象
object oMissing = System.Reflection.Missing.Value;
// 根据参数组是否为空，准备参数组对象
object[] paraObjects;
if (parameters == null)
{
paraObjects = new object[] { macroName };
}
else
{
// 宏参数组长度
int paraLength = parameters.Length;
paraObjects = new object[paraLength + 1];
paraObjects[0] = macroName;
for (int i = 0; i < paraLength; i++)
{
paraObjects[i + 1] = parameters[i];
}
}
// 创建Excel对象示例
Excel.ApplicationClass oExcel = new Excel.ApplicationClass();
// 判断是否要求执行时Excel可见
if (isShowExcel)
{
// 使创建的对象可见
oExcel.Visible = true;
}
// 创建Workbooks对象
Excel.Workbooks oBooks = oExcel.Workbooks;
// 创建Workbook对象
Excel._Workbook oBook = null;
// 打开指定的Excel文件
oBook = oBooks.Open(
excelFilePath,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing,
oMissing
);
// 执行Excel中的宏
rtnValue = this.RunMacro(oExcel, paraObjects);
// 保存更改
oBook.Save();
// 退出Workbook
oBook.Close(false, oMissing, oMissing);
#endregion
#region 释放对象
// 释放Workbook对象
System.Runtime.InteropServices.Marshal.ReleaseComObject(oBook);
oBook = null;
// 释放Workbooks对象
System.Runtime.InteropServices.Marshal.ReleaseComObject(oBooks);
oBooks = null;
// 关闭Excel
oExcel.Quit();
// 释放Excel对象
System.Runtime.InteropServices.Marshal.ReleaseComObject(oExcel);
oExcel = null;
// 调用垃圾回收
GC.Collect();

#endregion
}
catch (Exception)
{

throw;
}

}
/// <summary>
/// 执行宏
/// </summary>
/// <param name="oApp">Excel对象</param>
/// <param name="oRunArgs">参数（第一个参数为指定宏名称，后面为指定宏的参数值）</param>
/// <returns>宏返回值</returns>
private object RunMacro(object oApp, object[] oRunArgs)
{
try
{
// 声明一个返回对象
object objRtn;
// 反射方式执行宏
objRtn = oApp.GetType().InvokeMember(
"Run",
System.Reflection.BindingFlags.Default |
System.Reflection.BindingFlags.InvokeMethod,
null,
oApp,
oRunArgs
);
// 返回值
return objRtn;
}
catch (Exception ex)
{
// 如果有底层异常，抛出底层异常
if (ex.InnerException.Message.ToString().Length > 0)
{
throw ex.InnerException;
}
else
{
throw ex;
}
}

}

internal void RunExcelMacro()
{
throw new Exception("The method or operation is not implemented.");
}
}
}

调用方法：

private void button1_Click(object sender, EventArgs e)
{
ExcelMacroHelper ex = new ExcelMacroHelper();
object outStr=null ;
object[] aaa=new object[0];
ex.RunExcelMacro("E://1.xls", "Sheet1.Macro2", aaa, outStr, false );
}