c#excel的操作例子

class MyData//存储行数据
{
public List<string> RowData { get; set; } 
}

static void Main(string[] args)
{

Application app=new ApplicationClass();
app.DisplayAlerts = false;
var path = @"C:UsersAdministratorDesktopJTWC台风季1979-2010.xls";//读取数据的excel
var path2=@"C:UsersAdministratorDesktopJTWC.xlsx";//存储数据的excel
var workbook=app.Workbooks.Open(path, Missing.Value, Missing.Value, Missing.Value, Missing.Value
, Missing.Value, Missing.Value, Missing.Value, Missing.Value
, Missing.Value, Missing.Value, Missing.Value, Missing.Value);//打开指定位置的excel文件
Worksheet sheet=(Worksheet)workbook.Sheets[1];//获取第一个table
var resultWorkBook= app.Workbooks.Open(path2);
var resultSheet =(Worksheet) resultWorkBook.Sheets[1];

//
var resultData=new List<MyData>();

string numberAndNameStr = string.Empty;
for (int i = 1; i < 31039; i++)
{
var number = ((Range) sheet.Cells[i, 1]).Text.ToString();
var name = ((Range) sheet.Cells[i, 2]).Text.ToString();
var tempStr = number + name;
if (tempStr != numberAndNameStr)//根据每一行的前两个cell的组合，判断这一行数据是否属于同一个Typhoon（这是一个具体问题）
{
var str = new List<string>
{
((Range) sheet.Cells[i, 1]).Text.ToString(),
((Range) sheet.Cells[i, 2]).Text.ToString(),
((Range) sheet.Cells[i, 3]).Text.ToString(),
((Range) sheet.Cells[i, 4]).Text.ToString(),
((Range) sheet.Cells[i, 5]).Text.ToString(),
((Range) sheet.Cells[i, 6]).Text.ToString(),
((Range) sheet.Cells[i, 7]).Text.ToString(),
((Range) sheet.Cells[i, 8]).Text.ToString()

};
var data = new MyData() {RowData = str};
resultData.Add(data);
//写入excel数据
numberAndNameStr = tempStr;
}
}
int row = 1;
foreach (MyData myData in resultData)//循环每一行数据
{
for (int j = 0; j < myData.RowData.Count; j++)//循环一行数据的所有cell
{
resultSheet.Cells[row, j + 1] = myData.RowData[j];
}
row++;
}

app.AlertBeforeOverwriting = false; //屏蔽掉系统跳出的Alert
//workbook.Save();
resultWorkBook.SaveAs(path2, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);//用save方法会保存失败

app.Quit();
System.Runtime.InteropServices.Marshal.ReleaseComObject(app);//释放资源
Console.WriteLine("Over");
}