用法简单，类似于ado.net

ExcelTools.Open()

//读写

ExcelTools.SaveAndClose()

using System;using System.Collections.Generic;using System.Linq;using System.Text;using Microsoft.Office.Interop.Excel;using System.IO;using System.Windows.Forms;using System.Reflection;namespace AutoReportDeal{    class ExcelTools    {        public static Microsoft.Office.Interop.Excel.Application xlsApp = null;        public static Microsoft.Office.Interop.Excel.Workbook workbook = null;        public static Microsoft.Office.Interop.Excel.Worksheet worksheet = null;        public static string str_this_path = null;        #region 打开某EXCEL文件的某个页        /// <param name="str_path">EXCEL文件路径</param>        /// <param name="str_sheet">要操作的页</param>        public static void Open(string str_path, string str_sheet)        {            str_this_path = str_path;            //Excel Application            xlsApp = new Microsoft.Office.Interop.Excel.Application();            //Excel Workbook            workbook = xlsApp.Workbooks.Open(str_path, 0, true, 5,                                             System.Reflection.Missing.Value,                                             System.Reflection.Missing.Value,                                             false, System.Reflection.Missing.Value,                                             System.Reflection.Missing.Value, true,                                             false, System.Reflection.Missing.Value,                                             false, false, false);            //Excel Worksheet            worksheet = (Worksheet)workbook.Worksheets[str_sheet];        }         #endregion        #region 筛选日期列获得在EXCEL中的行号        /// <param name="col_name">要进行筛选的列明</param>        /// <param name="str_date_value">要筛选的值</param>        /// <param name="isHasTitle">是否存在表头</param>        /// <returns>成功返回行号，出错返回-1</returns>        public static int GetExcelRowsIndexByDate(string col_name, string str_date_value, bool isHasTitle)        {            if (str_date_value =http://www.mamicode.com/= null)>

 
C#读写EXCEL的简单封装