/// <summary>/// author by :ljun/// Excel工具类，目前仅支持一个工作薄的操作/// </summary>public class ExcelHelper : IDisposable {#region 构造函数

/// <summary>/// 构造函数，将一个已有Excel工作簿作为模板，并指定输出路径/// </summary>/// <param name="templetFilePath">Excel模板文件路径</param>/// <param name="outputFilePath">输出Excel文件路径</param>public ExcelHelper(string templetFilePath, string outputFilePath) {if (templetFilePath == null)throw new Exception("Excel模板文件路径不能为空！");

if (outputFilePath == null)throw new Exception("输出Excel文件路径不能为空！");

if (!File.Exists(templetFilePath))throw new Exception("指定路径的Excel模板文件不存在！");

this.templetFile = templetFilePath;this.outputFile = outputFilePath;

 excelApp = new Excel.ApplicationClass(); excelApp.Visible = false;

 excelApp.DisplayAlerts = false;  //是否需要显示提示            excelApp.AlertBeforeOverwriting = false;  //是否弹出提示覆盖

//打开模板文件，得到WorkBook对象            workBook = excelApp.Workbooks.Open(templetFile, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, Type.Missing, Type.Missing);

//得到WorkSheet对象            workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1); }

/// <summary>/// 构造函数，新建一个工作簿/// </summary>public ExcelHelper() { excelApp = new Excel.ApplicationClass(); excelApp.Visible = false;

//设置禁止弹出保存和覆盖的询问提示框            excelApp.DisplayAlerts = false; excelApp.AlertBeforeOverwriting = false;

//新建一个WorkBook            workBook = excelApp.Workbooks.Add(Type.Missing);

//得到WorkSheet对象            workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1); }

#endregion

#region 私有变量

private string templetFile = null;private string outputFile = null;private object missing = System.Reflection.Missing.Value;private Excel.Application excelApp;private Excel.Workbook workBook;private Excel.Worksheet workSheet;private Excel.Range range;private Excel.Range range1;private Excel.Range range2;

#endregion

#region 公共属性

/// <summary>/// WorkSheet数量/// </summary>public int WorkSheetCount {get { return workBook.Sheets.Count; } }

/// <summary>/// Excel模板文件路径/// </summary>public string TempletFilePath {set { this.templetFile = value; } }

/// <summary>/// 输出Excel文件路径/// </summary>public string OutputFilePath {set { this.outputFile = value; } }

#endregion

#region 批量写入Excel内容

/// <summary>/// 将二维数组数据写入Excel文件/// </summary>/// <param name="arr">二维数组</param>/// <param name="top">行索引</param>/// <param name="left">列索引</param>public void ArrayToExcel(object[,] arr, int top, int left) {int rowCount = arr.GetLength(0); //二维数组行数（一维长度）int colCount = arr.GetLength(1); //二维数据列数（二维长度）

 range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(rowCount, colCount); range.FormulaArray = arr; }

#endregion

#region 行操作

/// <summary>/// 插行（在指定行上面插入指定数量行）/// </summary>/// <param name="rowIndex"></param>/// <param name="count"></param>public void InsertRows(int rowIndex, int count) {try { range = (Excel.Range)workSheet.Rows[rowIndex, this.missing];for (int i = 0; i < count; i++) { range.Insert(Excel.XlDirection.xlDown, missing); } }catch (Exception e) {this.KillExcelProcess(false);throw e; } }

/// <summary>/// 复制行（在指定行下面复制指定数量行）/// </summary>/// <param name="rowIndex"></param>/// <param name="count"></param>public void CopyRows(int rowIndex, int count) {try { range1 = (Excel.Range)workSheet.Rows[rowIndex, this.missing];for (int i = 1; i <= count; i++) { range2 = (Excel.Range)workSheet.Rows[rowIndex + i, this.missing]; range1.Copy(range2); } }catch (Exception e) {this.KillExcelProcess(false);throw e; } }

/// <summary>/// 删除行/// </summary>/// <param name="sheetIndex"></param>/// <param name="rowIndex"></param>/// <param name="count"></param>public void DeleteRows(int rowIndex, int count) {try {for (int i = 0; i < count; i++) { range = (Excel.Range)workSheet.Rows[rowIndex, this.missing]; range.Delete(Excel.XlDirection.xlDown); } }catch (Exception e) {this.KillExcelProcess(false);throw e; } }

#endregion

#region 列操作

/// <summary>/// 插列（在指定列右边插入指定数量列）/// </summary>/// <param name="columnIndex"></param>/// <param name="count"></param>public void InsertColumns(int columnIndex, int count) {try { range = (Excel.Range)(workSheet.Columns[columnIndex, this.missing]);  //注意：这里和VS的智能提示不一样，第一个参数是columnindex

for (int i = 0; i < count; i++) { range.Insert(Excel.XlDirection.xlDown, missing); } }catch (Exception e) {this.KillExcelProcess(false);throw e; } }

/// <summary>/// 删除列/// </summary> /// <param name="columnIndex"></param>/// <param name="count"></param>public void DeleteColumns(int columnIndex, int count) {try {for (int i = columnIndex + count-1; i >=  columnIndex; i--) { ((Excel.Range)workSheet.Cells[1, i]).EntireColumn.Delete(0); } }catch (Exception e) {this.KillExcelProcess(false);throw e; } }

#endregion

#region 单元格操作

/// <summary>/// 合并单元格，并赋值，对指定WorkSheet操作/// </summary>/// <param name="sheetIndex">WorkSheet索引</param>/// <param name="beginRowIndex">开始行索引</param>/// <param name="beginColumnIndex">开始列索引</param>/// <param name="endRowIndex">结束行索引</param>/// <param name="endColumnIndex">结束列索引</param>/// <param name="text">合并后Range的值</param>public void MergeCells(int beginRowIndex, int beginColumnIndex, int endRowIndex, int endColumnIndex, string text) { range = workSheet.get_Range(workSheet.Cells[beginRowIndex, beginColumnIndex], workSheet.Cells[endRowIndex, endColumnIndex]);

 range.ClearContents(); //先把Range内容清除，合并才不会出错            range.MergeCells = true;

 range.Value2 = text; range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter; }

/// <summary>/// 向单元格写入数据，对当前WorkSheet操作/// </summary>/// <param name="rowIndex">行索引</param>/// <param name="columnIndex">列索引</param>/// <param name="text">要写入的文本值</param>public void SetCells(int rowIndex, int columnIndex, string text) {try { workSheet.Cells[rowIndex, columnIndex] = text; }catch {this.KillExcelProcess(false);throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错！"); } }

/// <summary>/// 向单元格写入数据，对当前WorkSheet操作/// </summary>/// <param name="rowIndex">行索引</param>/// <param name="columnIndex">列索引</param>/// <param name="text">要写入的文本值</param>public void SetCells(int rowIndex, int columnIndex, string text, string comment) {try { workSheet.Cells[rowIndex, columnIndex] = text; SetCellComment(rowIndex, columnIndex, comment); }catch {this.KillExcelProcess(false);throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错！"); } }

/// <summary>/// 向单元格写入数据，对当前WorkSheet操作/// </summary>/// <param name="rowIndex">行索引</param>/// <param name="columnIndex">列索引</param>/// <param name="text">要写入的文本值</param>public void SetCellComment(int rowIndex, int columnIndex, string comment) {try { Excel.Range range = workSheet.Cells[rowIndex, columnIndex] as Excel.Range; range.AddComment(comment); }catch {this.KillExcelProcess(false);throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错！"); } }

/// <summary>/// 单元格背景色及填充方式/// </summary>/// <param name="startRow">起始行</param>/// <param name="startColumn">起始列</param>/// <param name="endRow">结束行</param>/// <param name="endColumn">结束列</param>/// <param name="color">颜色索引</param>public void SetCellsBackColor(int startRow, int startColumn, int endRow, int endColumn, ColorIndex color) { Excel.Range range = excelApp.get_Range(excelApp.Cells[startRow, startColumn], excelApp.Cells[endRow, endColumn]); range.Interior.ColorIndex = color; }

#endregion

#region 保存文件

/// <summary>/// 另存文件/// </summary>public void SaveAsFile() {if (this.outputFile == null)throw new Exception("没有指定输出文件路径！");

try { workBook.SaveAs(outputFile, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing, missing); }catch (Exception e) {throw e; }finally {this.Quit(); } }

/// <summary>/// 将Excel文件另存为指定格式/// </summary>/// <param name="format">HTML，CSV，TEXT，EXCEL，XML</param>public void SaveAsFile(SaveAsFileFormat format) {if (this.outputFile == null)throw new Exception("没有指定输出文件路径！");

try {switch (format) {case SaveAsFileFormat.HTML: { workBook.SaveAs(outputFile, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing, missing);break; }case SaveAsFileFormat.CSV: { workBook.SaveAs(outputFile, Excel.XlFileFormat.xlCSV, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing, missing);break; }case SaveAsFileFormat.TEXT: { workBook.SaveAs(outputFile, Excel.XlFileFormat.xlUnicodeText, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing, missing);break; }case SaveAsFileFormat.XML: { workBook.SaveAs(outputFile, Excel.XlFileFormat.xlXMLSpreadsheet, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);break; }default: { workBook.SaveAs(outputFile, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing, missing);break; } } }catch (Exception e) {throw e; }finally {this.Quit(); } }

#endregion

#region 杀进程释放资源

/// <summary>/// 结束Excel进程/// </summary>public void KillExcelProcess(bool bAll) {if (bAll) { KillAllExcelProcess(); }else { KillSpecialExcel(); } }

 [DllImport("user32.dll", SetLastError = true)]static extern int GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId);

/// <summary>/// 杀特殊进程的Excel/// </summary>public void KillSpecialExcel() {try {if (excelApp != null) {int lpdwProcessId; GetWindowThreadProcessId((IntPtr)excelApp.Hwnd, out lpdwProcessId);

if (lpdwProcessId > 0)    //c-s方式 { System.Diagnostics.Process.GetProcessById(lpdwProcessId).Kill(); }else { Quit(); } } }catch { } }

/// <summary>/// 释放资源/// </summary>public void Quit() {if (workBook != null) workBook.Close(null, null, null);if (excelApp != null) { excelApp.Workbooks.Close(); excelApp.Quit(); }if (range != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(range); range = null; }if (range1 != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(range1); range1 = null; }if (range2 != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(range2); range2 = null; }if (workSheet != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(workSheet); workSheet = null; }if (workBook != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(workBook); workBook = null; }if (excelApp != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(excelApp); excelApp = null; } GC.Collect(); }

/// <summary>/// 接口方法 释放资源/// </summary>public void Dispose() { Quit(); }

#endregion

#region 静态方法

/// <summary>/// 杀Excel进程/// </summary>public static void KillAllExcelProcess() { Process[] myProcesses; myProcesses = Process.GetProcessesByName("Excel");

//得不到Excel进程ID，暂时只能判断进程启动时间foreach (Process myProcess in myProcesses) { myProcess.Kill(); } }

/// <summary>/// 打开相应的excel/// </summary>/// <param name="filepath"></param>public static void OpenExcel(string filepath) { Excel.Application xlsApp = new Excel.Application(); xlsApp.Workbooks.Open(filepath); xlsApp.Visible = true; }

#endregion

 }

/// <summary>/// 常用颜色定义,对就Excel中颜色名/// </summary>public enum ColorIndex { 无色 = -4142, 自动 = -4105, 黑色 = 1, 褐色 = 53, 橄榄 = 52, 深绿 = 51, 深青 = 49, 深蓝 = 11, 靛蓝 = 55, 灰色80 = 56, 深红 = 9, 橙色 = 46, 深黄 = 12, 绿色 = 10, 青色 = 14, 蓝色 = 5, 蓝灰 = 47, 灰色50 = 16, 红色 = 3, 浅橙色 = 45, 酸橙色 = 43, 海绿 = 50, 水绿色 = 42, 浅蓝 = 41, 紫罗兰 = 13, 灰色40 = 48, 粉红 = 7, 金色 = 44, 黄色 = 6, 鲜绿 = 4, 青绿 = 8, 天蓝 = 33, 梅红 = 54, 灰色25 = 15, 玫瑰红 = 38, 茶色 = 40, 浅黄 = 36, 浅绿 = 35, 浅青绿 = 34, 淡蓝 = 37, 淡紫 = 39, 白色 = 2 }

/// <summary>/// HTML，CSV，TEXT，EXCEL，XML/// </summary>public enum SaveAsFileFormat { HTML, CSV, TEXT, EXCEL, XML }