首先,在引用的COM中找到Microsoft Excel 11.0 Object Library,添加。
using System;
using System.Reflection; // 引用这个才能使用Missing字段 using Excel;
namespace CExcel1
{
class Class1
{
[STAThread] static void Main(string[] args)
//创建Application对象
Excel.Application xApp = new Excel.ApplicationClass();
xApp.Visible = true;
//得到WorkBook对象, 可以用两种方式之一: 下面的是打开已有的文件
Excel.Workbook xBook = xApp.Workbooks._Open(@"D:\Sample.xls", Missing.Value, Missing.Value, Missing.Value, Missing.Value , Missing.Value, Missing.Value, Missing.Value, Missing.Value , Missing.Value, Missing.Value, Missing.Value, Missing.Value);
//xBook=xApp.Workbooks.Add(Missing.Value);//新建文件的代码
//指定要操作的Sheet,两种方式:
Excel.Worksheet xSheet = (Excel.Worksheet)xBook.Sheets[1];
//Excel.Worksheet xSheet=(Excel.Worksheet)xApp.ActiveSheet;
//读取数据,通过Range对象
Excel.Range rng1 = xSheet.get_Range("A1", Type.Missing);
Console.WriteLine(rng1.Value2);
//读取,通过Range对象,但使用不同的接口得到Range
Excel.Range rng2 = (Excel.Range)xSheet.Cells[3, 1];
Console.WriteLine(rng2.Value2);
//写入数据
Excel.Range rng3 = xSheet.get_Range("C6", Missing.Value);
rng3.Value2 = "Hello";
rng3.Interior.ColorIndex = 6; //设置Range的背景色
//保存方式一:保存WorkBook
xBook.SaveAs(@"D:\CData.xls", Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
//保存方式二:保存WorkSheet
xSheet.SaveAs(@"D:\CData2.xls", Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
//保存方式三
xBook.Save();
xSheet = null;
xBook = null;
xApp.Quit(); //这一句是非常重要的,否则Excel对象不能从内存中退出 xApp=null;
}
}