谁有比较好的用excel.dll操作excel, 比如导出,读取excel得 通用类?

解决方案 »

  1.   

    .NET不是提供OFFICE一组COM组件,在项目中引入OFFICE组件就可以了
    需要添加COM: Microsoft Excel Object Library.一些例子,可以参考一下
          /// <summary>
            /// 将DataSet里所有数据导入Excel.
            /// 需要添加COM: Microsoft Excel Object Library.
            /// using Excel;
            /// </summary>
            /// <param name="filePath"></param>
            /// <param name="ds"></param>
            public void ExportToExcel(string savePath,string templatePath, DataSet ds)
            {
                string strResult = LoadExcelModel(templatePath);
                if (strResult == "")
                {
                    //excel.Visible = true;                try
                    {
                        WriteExcel(ds,savePath);
      
                    }
                    catch
                    {
                        //MessageBox.Show(ex.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
                else
                {
                    //MessageBox.Show(strResult, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }        #region 载入模板文件
            private string LoadExcelModel(string filePath)
            {
                //
                try
                {
                    //for excel2000
                    // excel.Workbooks.Open(filePath,oMissing,oMissing,
                    // oMissing, oMissing, oMissing, oMissing,
                    // oMissing, oMissing, oMissing, oMissing,
                    // oMissing, oMissing);                //for excel2003                excel.Workbooks.Open(filePath, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing);
                }
                catch (Exception ex)
                {
                    return ex.Message;
                }            return "";
            }
            #endregion        #region 生成excel文件内容
            private void WriteExcel(DataSet ds,string savePath)
            {
                Excel.Workbook xlWorkbook = (Excel.Workbook)(excel.ActiveWorkbook);
                Excel.Worksheet xlWorksheet = (Excel.Worksheet)(xlWorkbook.Sheets[sheetName]);
                //xlWorksheet.Activate();
                xlWorksheet.Unprotect(null);
                ((Excel.Worksheet)(xlWorkbook.Sheets[1])).Activate();            xlWorksheet.Name = sheetName;            for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
                {
                    for (int k = 0; k < ds.Tables[0].Columns.Count; k++)
                    {
                        int rowIndex = i + 3;
                        int colIndex = k + 1;
                        xlWorksheet.Cells[rowIndex, colIndex] = ds.Tables[0].Rows[i][k].ToString();
                    }
                }            excel.Run("Run", oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing);
                        
                //锁定基础数据表
                //for excel2000
                // xlWorksheet.Protect(oMissing,true,true,true,oMissing);
                //for excel2003
                xlWorksheet.Protect(oMissing, true, true, true, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing);
                //调用Excel宏
                excel.Workbooks[1].SaveAs(savePath, oMissing, oMissing, oMissing, oMissing, oMissing, Excel.XlSaveAsAccessMode.xlExclusive, oMissing, oMissing, oMissing, oMissing, oMissing);
                //保存并关闭
                xlWorkbook.Close( Excel.XlSaveAction.xlDoNotSaveChanges, oMissing, oMissing );
                System.Runtime.InteropServices.Marshal.ReleaseComObject(xlWorkbook);
                xlWorkbook = null;
                
                
            }
            #endregion
      

  2.   

    C#版又需要的看下:
    using System;
    using System.Data;
    using System.Configuration;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;
    using Microsoft.Office.Interop;
    using Microsoft.Office.Core;
    namespace MyWeb
    {
    /// <summary>
    /// ExcelEdit 的摘要说明
    /// </summary>
        public class ExcelEdit
        {
            public string mFilename;
            public Excel.Application app;
            public Excel.Workbooks wbs;
            public Excel.Workbook wb;
            public Excel.Worksheets wss;
            public Excel.Worksheet ws;
            public ExcelEdit()
            {
                //
                // TODO: 在此处添加构造函数逻辑
                //
            }
            public void Create()//创建一个Excel对象
            {
                app = new Excel.Application();
                wbs = app.Workbooks;
                wb = wbs.Add(true);
            }
            public void Open(string FileName)//打开一个Excel文件
            {
                app = new Excel.Application();
                wbs = app.Workbooks;
                wb = wbs.Add(FileName);
                //wb = wbs.Open(FileName,  0, true, 5,"", "", true, Excel.XlPlatform.xlWindows, "\t", false, false, 0, true,Type.Missing,Type.Missing);
                //wb = wbs.Open(FileName,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Excel.XlPlatform.xlWindows,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing,Type.Missing);
                mFilename = FileName;
            }
            public Excel.Worksheet GetSheet(string SheetName)//获取一个工作表
            {
                Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets[SheetName];
                return s;
            }
            public Excel.Worksheet AddSheet(string SheetName)//添加一个工作表
            {
                Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets.Add(Type.Missing,Type.Missing,Type.Missing,Type.Missing);
                s.Name = SheetName;
                return s;
            }        public void DelSheet(string SheetName)//删除一个工作表
            {
                ((Excel.Worksheet)wb.Worksheets[SheetName]).Delete();
            }
            public Excel.Worksheet ReNameSheet(string OldSheetName, string NewSheetName)//重命名一个工作表一
            {
                Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets[OldSheetName];
                s.Name = NewSheetName;
                return s;
            }        public Excel.Worksheet ReNameSheet(Excel.Worksheet Sheet, string NewSheetName)//重命名一个工作表二
            {            Sheet.Name = NewSheetName;            return Sheet;
            }        public void SetCellValue(Excel.Worksheet ws, int x, int y, object value)//ws:要设值的工作表     X行Y列     value   值 
            {
                ws.Cells[x, y] = value;
            }
            public void SetCellValue(string ws, int x, int y, object value)//ws:要设值的工作表的名称 X行Y列 value 值
            {            GetSheet(ws).Cells[x, y] = value;
            }
      

  3.   

    接上:
     public void SetCellProperty(Excel.Worksheet ws, int Startx, int Starty, int Endx, int Endy, int size, string name, Excel.Constants color, Excel.Constants HorizontalAlignment)//设置一个单元格的属性   字体,   大小,颜色   ,对齐方式
            {
                name = "宋体";
                size = 12;
                color = Excel.Constants.xlAutomatic;
                HorizontalAlignment = Excel.Constants.xlRight;
                ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Name = name;
                ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Size = size;
                ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Color = color;
                ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).HorizontalAlignment = HorizontalAlignment;
            }        public void SetCellProperty(string wsn, int Startx, int Starty, int Endx, int Endy, int size, string name, Excel.Constants color, Excel.Constants HorizontalAlignment)
            {
                //name = "宋体";
                //size = 12;
                //color = Excel.Constants.xlAutomatic;
                //HorizontalAlignment = Excel.Constants.xlRight;            Excel.Worksheet ws = GetSheet(wsn);
                ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Name = name;
                ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Size = size;
                ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Color = color;            ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).HorizontalAlignment = HorizontalAlignment;
            }
            public void UniteCells(Excel.Worksheet ws, int x1, int y1, int x2, int y2)//合并单元格
            {
                ws.get_Range(ws.Cells[x1, y1], ws.Cells[x2, y2]).Merge(Type.Missing);
            }        public void UniteCells(string ws, int x1, int y1, int x2, int y2)//合并单元格
            {
                GetSheet(ws).get_Range(GetSheet(ws).Cells[x1, y1], GetSheet(ws).Cells[x2, y2]).Merge(Type.Missing);        }
            public void InsertTable(System.Data.DataTable dt, string ws, int startX, int startY)//将内存中数据表格插入到Excel指定工作表的指定位置 为在使用模板时控制格式时使用一
            {            for (int i = 0; i <= dt.Rows.Count - 1; i++)
                {
                    for (int j = 0; j <= dt.Columns.Count - 1; j++)
                    {
                        GetSheet(ws).Cells[startX+i, j + startY] = dt.Rows[i][j].ToString();                }            }        }
            public void InsertTable(System.Data.DataTable dt, Excel.Worksheet ws, int startX, int startY)//将内存中数据表格插入到Excel指定工作表的指定位置二
            {            for (int i = 0; i <= dt.Rows.Count - 1; i++)
                {
                    for (int j = 0; j <= dt.Columns.Count - 1; j++)
                    {                    ws.Cells[startX+i, j + startY] = dt.Rows[i][j];                }            }        }
            public void AddTable(System.Data.DataTable dt, string ws, int startX, int startY)//将内存中数据表格添加到Excel指定工作表的指定位置一
            {            for (int i = 0; i <= dt.Rows.Count - 1; i++)
                {
                    for (int j = 0; j <= dt.Columns.Count - 1; j++)
                    {                    GetSheet(ws).Cells[i + startX, j + startY] = dt.Rows[i][j];                }            }        }
            public void AddTable(System.Data.DataTable dt, Excel.Worksheet ws, int startX, int startY)//将内存中数据表格添加到Excel指定工作表的指定位置二
            {
                for (int i = 0; i <= dt.Rows.Count - 1; i++)
                {
                    for (int j = 0; j <= dt.Columns.Count - 1; j++)
                    {                    ws.Cells[i + startX, j + startY] = dt.Rows[i][j];                }
                }        }        public void InsertPictures(string Filename, string ws)//插入图片操作一
            {
                GetSheet(ws).Shapes.AddPicture(Filename, MsoTriState.msoFalse,MsoTriState.msoTrue, 10, 10, 150, 150);//后面的数字表示位置
            }        //public void InsertPictures(string Filename, string ws, int Height, int Width)//插入图片操作二
            //{
            //    GetSheet(ws).Shapes.AddPicture(Filename, MsoTriState.msoFalse, MsoTriState.msoTrue, 10, 10, 150, 150);
            //    GetSheet(ws).Shapes.get_Range(Type.Missing).Height = Height;
            //    GetSheet(ws).Shapes.get_Range(Type.Missing).Width = Width;
            //}
            //public void InsertPictures(string Filename, string ws, int left, int top, int Height, int Width)//插入图片操作三
            //{        //    GetSheet(ws).Shapes.AddPicture(Filename, MsoTriState.msoFalse, MsoTriState.msoTrue, 10, 10, 150, 150);
            //    GetSheet(ws).Shapes.get_Range(Type.Missing).IncrementLeft(left);
            //    GetSheet(ws).Shapes.get_Range(Type.Missing).IncrementTop(top);
            //    GetSheet(ws).Shapes.get_Range(Type.Missing).Height = Height;
            //    GetSheet(ws).Shapes.get_Range(Type.Missing).Width = Width;
            //}        public void InsertActiveChart(Excel.XlChartType ChartType, string ws, int DataSourcesX1, int DataSourcesY1, int DataSourcesX2, int DataSourcesY2, Excel.XlRowCol ChartDataType)//插入图表操作
            {
                ChartDataType = Excel.XlRowCol.xlColumns;
                wb.Charts.Add(Type.Missing,Type.Missing,Type.Missing,Type.Missing);
                {
                    wb.ActiveChart.ChartType = ChartType;
                    wb.ActiveChart.SetSourceData(GetSheet(ws).get_Range(GetSheet(ws).Cells[DataSourcesX1, DataSourcesY1], GetSheet(ws).Cells[DataSourcesX2, DataSourcesY2]), ChartDataType);
                    wb.ActiveChart.Location(Excel.XlChartLocation.xlLocationAsObject, ws);
                }
            }
            public bool Save()//保存文档
            {
                if (mFilename == "")
                {
                    return false;
                }
                else
                {
                    try
                    {
                        wb.Save();
                        return true;
                    }                catch (Exception ex)
                    {
                        return false;
                    }
                }
            }
            public bool SaveAs(object FileName)//文档另存为
            {
                try
                {
                    wb.SaveAs(FileName,Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,Excel.XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
                    return true;
                   
                }            catch (Exception ex)
                {
                    return false;
                    
                }
            }
            public void Close()//关闭一个Excel对象,销毁对象
            {
                //wb.Save();
                wb.Close(Type.Missing,Type.Missing,Type.Missing);
                wbs.Close();
                app.Quit();
                wb = null;
                wbs = null;
                app = null;
                GC.Collect();
            }
        }
    }
      

  4.   

    非常感谢,有读取excel得通用类么?
      

  5.   

    chenjinaban(cj) ( ) 信誉:83  2007-7-26 14:38:00  得分: 0  
    非常感谢,有读取excel得通用类么?-----------
    用ODBC也可以读取,需要在Sheet中预先定义好区域