C#操作excel帮助类
Posted 何慕
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using Microsoft.Office.Interop.Excel; using System; public class ExcelEditHelper { public string mFilename; public Application app; public Workbooks wbs; public Workbook wb; public Worksheets wss; public Worksheet ws; /// <summary> /// 创建一个Excel对象 /// </summary> public void Create() { app = new Application(); wbs = app.Workbooks; wb = wbs.Add(true); } /// <summary> /// 打开一个Excel文件 /// </summary> /// <param name="FileName">excel文件名，包括文件路径</param> public void Open(string FileName) { object missing = System.Reflection.Missing.Value; app = new Application(); wbs = app.Workbooks; wb = wbs.Add(FileName); wb = wbs.Open(FileName, missing, true, missing, missing, missing, missing, missing, missing, true, missing, missing, missing, missing, missing); mFilename = FileName; } /// <summary> /// 获取一个工作表 /// </summary> /// <param name="SheetName">工作表名称</param> /// <returns></returns> public Worksheet GetSheet(string SheetName) { Worksheet s = (Worksheet)wb.Worksheets[SheetName]; return s; } /// <summary> /// 添加一个工作表 /// </summary> /// <param name="SheetName">工作表名称</param> /// <returns></returns> public Worksheet AddSheet(string SheetName) { Worksheet s = (Worksheet)wb.Worksheets.Add(Type.Missing, Type.Missing, Type.Missing, Type.Missing); s.Name = SheetName; return s; } /// <summary> /// 复制并添加一个工作表 /// </summary> /// <param name="OldSheetName"> 被复制工作表</param> /// <param name="NewSheetName">新表</param> public void CloneSheet(string OldSheetName, string NewSheetName) { Microsoft.Office.Interop.Excel.Worksheet oldSheet = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets[OldSheetName]; oldSheet.Copy(oldSheet, Type.Missing); Microsoft.Office.Interop.Excel.Worksheet s = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets[OldSheetName + " (2)"]; s.Name = NewSheetName; } /// <summary> /// 删除一个工作表 /// </summary> /// <param name="SheetName">工作表名称</param> public void DelSheet(string SheetName) { ((Worksheet)wb.Worksheets[SheetName]).Delete(); } /// <summary> /// 重命名一个工作表 /// </summary> /// <param name="OldSheetName">被替换名称</param> /// <param name="NewSheetName">替换名称</param> /// <returns></returns> public Worksheet ReNameSheet(string OldSheetName, string NewSheetName) { Worksheet s = (Worksheet)wb.Worksheets[OldSheetName]; s.Name = NewSheetName; return s; } /// <summary> /// 重命名一个工作表 /// </summary> /// <param name="Sheet">被替换工作表</param> /// <param name="NewSheetName">替换名称</param> /// <returns></returns> public Worksheet ReNameSheet(Worksheet Sheet, string NewSheetName) { Sheet.Name = NewSheetName; return Sheet; } /// <summary> /// 设置单元格的值 /// </summary> /// <param name="ws">工作表</param> /// <param name="x">行标</param> /// <param name="y">列标</param> /// <param name="value">数据</param> public void SetCellValue(Worksheet ws, int x, int y, object value) { ws.Cells[x, y] = value; } /// <summary> /// 设置单元格的值 /// </summary> /// <param name="ws">工作表名称</param> /// <param name="x">行标</param> /// <param name="y">列标</param> /// <param name="value">数据</param> public void SetCellValue(string ws, int x, int y, object value) { GetSheet(ws).Cells[x, y] = value; } /// <summary> /// 设置单元格属性 /// </summary> /// <param name="ws">工作表</param> /// <param name="Startx">起始行标</param> /// <param name="Starty">起始列标</param> /// <param name="Endx">终止行标</param> /// <param name="Endy">终止列标</param> /// <param name="size">字体大小</param> /// <param name="name">字体</param> /// <param name="color">颜色</param> /// <param name="HorizontalAlignment">对齐方式</param> public void SetCellProperty(Worksheet ws, int Startx, int Starty, int Endx, int Endy, int size, string name, Constants color, Constants HorizontalAlignment) { 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; } /// <summary> /// 设置单元格属性 /// </summary> /// <param name="ws">工作表名称</param> /// <param name="Startx">起始行标</param> /// <param name="Starty">起始列标</param> /// <param name="Endx">终止行标</param> /// <param name="Endy">终止列标</param> /// <param name="size">字体大小</param> /// <param name="name">字体</param> /// <param name="color">颜色</param> /// <param name="HorizontalAlignment">对齐方式</param> public void SetCellProperty(string wsn, int Startx, int Starty, int Endx, int Endy, int size, string name, Constants color, Constants HorizontalAlignment) { 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; } /// <summary> /// 合并单元格 /// </summary> /// <param name="ws">工作表</param> /// <param name="x1">起始行标</param> /// <param name="y1">起始列标</param> /// <param name="x2">终止行标</param> /// <param name="y2">终止列标</param> public void UniteCells(Worksheet ws, int x1, int y1, int x2, int y2) { ws.get_Range(ws.Cells[x1, y1], ws.Cells[x2, y2]).Merge(Type.Missing); } /// <summary> /// 合并单元格 /// </summary> /// <param name="ws">工作表名称</param> /// <param name="x1">起始行标</param> /// <param name="y1">起始列标</param> /// <param name="x2">终止行标</param> /// <param name="y2">终止列标</param> public void UniteCells(string ws, int x1, int y1, int x2, int y2) { GetSheet(ws).get_Range(GetSheet(ws).Cells[x1, y1], GetSheet(ws).Cells[x2, y2]).Merge(Type.Missing); } /// <summary> /// 将内存中数据表格插入到Excel指定工作表的指定位置 /// </summary> /// <param name="dt">数据表</param> /// <param name="ws">工作表名称</param> /// <param name="startX">起始行标</param> /// <param name="startY">起始列标</param> public void InsertTable(System.Data.DataTable dt, string ws, int startX, int startY) { 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]; } } } /// <summary> /// 将内存中数据表格插入到Excel指定工作表的指定位置 /// </summary> /// <param name="dt">数据表</param> /// <param name="ws">工作表名称</param> /// <param name="startX">起始行标</param> /// <param name="startY">起始列标</param> public void InsertTable(System.Data.DataTable dt, Worksheet ws, int startX, int startY) { 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]; } } } /// <summary> /// 保存文档 /// </summary> /// <returns></returns> public bool Save() { if (mFilename == "") { return false; } else { try { wb.Save(); return true; } catch (Exception ex) { return false; } } } /// <summary> /// 文档另存为 /// </summary> /// <param name="FileName">文件名（包含路径）</param> /// <returns></returns> public bool SaveAs(object FileName) { try { wb.SaveAs(FileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing); return true; } catch (Exception ex) { return false; } } /// <summary> /// 关闭一个Excel对象，销毁对象 /// </summary> public void Close() { wb.Close(Type.Missing, Type.Missing, Type.Missing); wbs.Close(); app.Quit(); wb = null; wbs = null; app = null; GC.Collect(); } }
注：该类主要来自http://www.cnblogs.com/wangchuang/p/5546345.html，使用时需要安装office Excel功能，项目部署到服务器上使用该类时可能会提示【检索 COM 类工厂中CLSID 为 {00024500-0000-0000-C000-000000000046} 的组件时失败，原因是出现以下错误: 80070005。】的错误提示；解决方法参照http://blog.csdn.net/qbook/article/details/9130895。
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