.NET导出EXCEL

public static void ExportTasks(System.Data.DataTable dtTemp,string ServerPath,string TextName,int fc,string sName)
         {
             // 定义要使用的Excel 组件接口
             // 定义Application 对象,此对象表示整个Excel 程序
             Application excelApp = null;
             // 定义Workbook对象,此对象代表工作薄
             Workbook workBook;
             // 定义Worksheet 对象,此对象表示Execel 中的一张工作表
             Worksheet ws = null;
             //定义Range对象,此对象代表单元格区域
             Range range;

             int dcell = 1;
             int rowindex = 0; int colindex = 0;

             int rowcount = dtTemp.Rows.Count;
             int colcount = dtTemp.Columns.Count;
             try
             {
                 //初始化 Application 对象 excelApp
                 excelApp = new Application();
                 //在工作薄的第一个工作表上创建任务列表
                 workBook = excelApp.Workbooks.Add(XlWBATemplate.xlWBATWorksheet);
                 ws = (Worksheet)workBook.Worksheets[1];

                 // 命名工作表的名称为
                 ws.Name = !string.IsNullOrEmpty(sName) ? sName : "Sheet1" ;
                 //创建缓存
                 Object[,] objdata = new object[rowcount + 1, colcount];

                 //创建标题
                 foreach (System.Data.DataColumn dc in dtTemp.Columns)
                 {
                     objdata[rowindex, colindex++] = dc.ColumnName;
                 }
                 //获取数据
                 for (int i = 0; i < rowcount; i++)
                 {
                     dcell = 0;

                     for (int j = 0; j < colcount; j++)
                     {
                         objdata[i + 1, dcell++] = dtTemp.Rows[i][dtTemp.Columns[j].ColumnName].ToString();
                     }
                 }
                 //写入Excel            
                 range = ws.get_Range(excelApp.Cells[1, 1], excelApp.Cells[rowcount + 1, colcount]);
                 //range.NumberFormatLocal = "@";//所有字段格式化为文本格式
                 ws.get_Range(excelApp.Cells[2, fc], excelApp.Cells[rowcount + 1, fc]).NumberFormatLocal = "@";
                 range.Value2 = objdata;
                 System.Windows.Forms.Application.DoEvents();
                 //设置格式
                 range = ws.get_Range(excelApp.Cells[1, 1], excelApp.Cells[1, colcount]);
                 range.Font.Bold = true;//标题粗体

                 excelApp.Cells.HorizontalAlignment = Constants.xlCenter; //全局左对齐
                 excelApp.Cells.EntireColumn.AutoFit();
                 range = ws.get_Range(excelApp.Cells[1, 1], excelApp.Cells[rowcount + 1, colcount]);
                 range.Borders.LineStyle = 1;
                 //range.Font.Bold = true; //标题粗体
                 //显示 Excel
                 //excelApp.Visible = true;                
                 workBook.SaveCopyAs(ServerPath.Replace("//", "\\") + TextName + ".xls");
                 workBook.Close(false, null, null);
                 excelApp.Quit();
                 ws = null;
             }
             catch (Exception ex)
             {
                 WriteLog.SetErrorMsg("ExportTasks", "", ex.Message);   //处理错误               
                 excelApp.Quit();
                 throw ex;
             }
         }


         /// <summary>
         /// 导出Excel 
         /// </summary>
         /// <param name="dtTemp"></param>
         public static void ExportCMB(System.Data.DataTable dtTemp, string ServerPath, string TextName)
         {
             // 定义要使用的Excel 组件接口
             // 定义Application 对象,此对象表示整个Excel 程序
             Application excelApp = null;
             // 定义Workbook对象,此对象代表工作薄
             Workbook workBook;
             // 定义Worksheet 对象,此对象表示Execel 中的一张工作表
             Worksheet ws = null;
             //定义Range对象,此对象代表单元格区域
             Range range;

             int dcell = 1;           
             int colindex = 0;

             int rowcount = dtTemp.Rows.Count;
             int colcount = 14;
             try
             {
                 //初始化 Application 对象 excelApp
                 excelApp = new Application();
                 //在工作薄的第一个工作表上创建任务列表
                 workBook = excelApp.Workbooks.Add(XlWBATemplate.xlWBATWorksheet);
                 ws = (Worksheet)workBook.Worksheets[1];

                 // 命名工作表的名称为
                 ws.Name = "Sheet1";
                 //创建缓存
                 Object[,] objdata = new object[rowcount + 3, colcount];
                 objdata[0, 0] = "代发工资表";
                 objdata[1, 0] = "TF:QY1CWS1";
                 //创建标题
                 foreach (System.Data.DataColumn dc in dtTemp.Columns)
                 {
                     objdata[2, colindex++] = dc.ColumnName;
                 }
                 //获取数据
                 for (int i = 0; i < rowcount; i++)
                 {
                     dcell = 0;

                     for (int j = 0; j < colcount; j++)
                     {
                         objdata[i + 3, dcell++] = dtTemp.Rows[i][dtTemp.Columns[j].ColumnName].ToString();
                     }
                 }
                 //写入Excel            
                 range = ws.get_Range(excelApp.Cells[1, 1], excelApp.Cells[rowcount + 3, colcount]);
                 ws.get_Range(excelApp.Cells[4, 12], excelApp.Cells[rowcount + 3, 12]).NumberFormatLocal = "@";
                 //range.NumberFormatLocal = "@";                
                 range.Value2 = objdata;
                 range.Font.Size = 10;
                 System.Windows.Forms.Application.DoEvents();
                 //设置格式
                 excelApp.Cells.HorizontalAlignment = Constants.xlLeft; //全局左对齐
                 excelApp.Cells.EntireColumn.AutoFit();
                 range = ws.get_Range(excelApp.Cells[3, 1], excelApp.Cells[rowcount + 3, colcount]);
                 //range.BorderAround(XlLineStyle.xlContinuous, XlBorderWeight.xlThick, XlColorIndex.xlColorIndexAutomatic, System.Drawing.Color.Black.ToArgb());
                 range.Borders.LineStyle = 1;
                 //显示 Excel
                 //excelApp.Visible = true;
                 workBook.SaveCopyAs(ServerPath.Replace("//", "\\") + TextName + ".xls");
                 workBook.Close(false, null, null);
                 excelApp.Quit();
                 ws = null;

             }
             catch (Exception ex)
             {
                 WriteLog.SetErrorMsg("ExportICBC", "", ex.Message);   //处理错误               
                 excelApp.Quit();
                 throw ex;
             }
         }
    }