ToExcel
需添加項(xiàng)目引用：
1. .NET->System.Data.OracleClient.dll
2. COM->Microsoft Excel 11.0 Object Library
代碼如下：
using System;
using System.IO;
using System.Data;
using System.Reflection;
using System.Diagnostics;
using System.Configuration;
using System.Collections;
using Excel;
namespace thscjy
{
?///?
?/// 套用模板輸出Excel，生成xls文件和html文件
?/// Author: Liu Wen
?/// Date Created: 2006-8
?///?
?public class ExportExcel
?{
??#region variable member 成員變量
??protected string templateFile = null;
??protected string excelFile = null;
??protected string htmlFile = null;
??protected object missing = Missing.Value;
??Excel.ApplicationClass app;
??Excel.Workbook book;
??Excel.Worksheet sheet;
??Excel.Range range;
??private DateTime beforeTime;??//Excel啟動(dòng)之前時(shí)間
??private DateTime afterTime;??//Excel啟動(dòng)之后時(shí)間
??//private int processID;
??#endregion
??///?
??/// 構(gòu)造函數(shù)，將一個(gè)已有Excel工作簿作為模板，并指定輸出路徑
??///?
??///?
Excel模板文件路徑
??///?
Excel輸出文件路徑
??///?
Html輸出文件路徑
??public ExportExcel(string templateFile, string excelFile, string htmlFile)
??{
???if (templateFile == null)
????throw new Exception("Excel模板文件路徑不能為空！");
???if (excelFile == null)
????throw new Exception("Excel輸出文件路徑不能為空！");
???if (htmlFile == null)
????throw new Exception("Html輸出文件路徑不能為空！");
???if (!File.Exists(templateFile))
????throw new Exception("指定路徑的Excel模板文件不存在！");
???this.templateFile = templateFile;
???this.excelFile = excelFile;
???this.htmlFile = htmlFile;
???//創(chuàng)建一個(gè)Application對(duì)象
???beforeTime = DateTime.Now;
???app = new ApplicationClass();
???//app.Visible = true;
???//processID = Process.GetCurrentProcess().Id;
???afterTime = DateTime.Now;
???//打開(kāi)模板文件，得到WorkBook對(duì)象
???try
???{
????book = app.Workbooks.Open(templateFile,missing,missing,missing,missing,missing,
?????missing,missing,missing,missing,missing,missing,missing,missing,missing);
???}
???catch (Exception e)
???{
????throw e;
???}
???//得到WorkSheet對(duì)象
???sheet = (Excel.Worksheet)book.Sheets.get_Item(1);
??}
??#region 插入報(bào)表參數(shù)
??///?
??/// 錄入報(bào)表的參數(shù)（TJ統(tǒng)計(jì)用）
??///?
??///?
填報(bào)單位
??///?
年月
??///?
填報(bào)人
??///?
填報(bào)日期
??///?
插入數(shù)據(jù)的單元格
??public void InsertArgs(string department, string date, string accountant, string dateCreated, string cellID)
??{
???sheet.get_Range("A3", missing).Value2 = "填報(bào)單位："+department;
???sheet.get_Range("D3", missing).Value2 = date;
???sheet.get_Range(cellID, missing).Value2 = "部門(mén)負(fù)責(zé)人： 填報(bào)人："+accountant+" 聯(lián)系電話：???????????????? 報(bào)送時(shí)間："+dateCreated;
???//sheet.get_Range("I8", missing).Value2 = "填報(bào)日期："+dateCreated;
??}
??///?
??/// 錄入報(bào)表的參數(shù)（JH計(jì)劃用）
??///?
??///?
標(biāo)題
??public void InsertArgsJH(string name)
??{
???sheet.get_Range("A1", missing).Value2 = name;
??}
??///?
??/// 錄入報(bào)表的參數(shù)（JH計(jì)劃用）
??///?
??///?
標(biāo)題
??///?
年份
??public void InsertArgsJH(string name, string year)
??{
???sheet.get_Range("A1", missing).Value2 = name;
???sheet.get_Range("D2", missing).Value2 = year;
??}
??///?
??/// 錄入報(bào)表的參數(shù)（JH計(jì)劃用）
??///?
??///?
標(biāo)題
??///?
部門(mén)
??///?
“部門(mén)”單元格ID
??///?
年份
??///?
“年份”單元格ID
??public void InsertArgsJH(string name, string department, string depCellId, string year, string yearCellId)
??{
???sheet.get_Range("A1", missing).Value2 = name;
???sheet.get_Range(depCellId, missing).Value2 = department;
???sheet.get_Range(yearCellId, missing).Value2 = year;
??}
??///?
??/// 錄入報(bào)表的參數(shù)（JH計(jì)劃用）
??///?
??///?
標(biāo)題
??///?
注水
??///?
注氣
??///?
措施工作量
??public void InsertArgsJH(string name, string water, string gas, string workload)
??{
???sheet.get_Range("A1", missing).Value2 = name;
???sheet.get_Range("C2", missing).Value2 = water;
???sheet.get_Range("E2", missing).Value2 = gas;
???sheet.get_Range("G2", missing).Value2 = workload;
??}
??#endregion
??#region 導(dǎo)出Excel方法
??///?
??/// 將DataTable數(shù)據(jù)導(dǎo)出到Excel（可動(dòng)態(tài)插入行）
??///?
??///?
DataTable
??///?
插入行的索引
??///?
插入列的索引
??public void DataTableToExcel(System.Data.DataTable dt, int rowIndex, int colIndex)
??{
???int rowCount = dt.Rows.Count;??//DataTable行數(shù)
???int colCount = dt.Columns.Count;?//DataTable列數(shù)
???int iRow;
???int iCol;
???//將數(shù)據(jù)導(dǎo)出到相應(yīng)的單元格
???for (iRow = 0; iRow < rowCount; iRow++)
???{
????//插入新行
????this.InsertRows(sheet, iRow+rowIndex);
????//填充當(dāng)前行
????for (iCol = 0; iCol < colCount; iCol++)
????{
?????sheet.Cells[iRow+rowIndex, iCol+colIndex] = dt.Rows[iRow][iCol].ToString();
????}
???}
???this.DeleteRows(sheet, rowCount+rowIndex);?
???//this.OutputFile();
???//Excel.QueryTables qts = sheet.QueryTables;
???//Excel.QueryTable qt = qts.Add(,,);
???//qt.RefreshStyle = Excel.XlCellInsertionMode.xlInsertEntireRows;
???//qt.Refresh();
??}
??///?
??/// 將DataTable數(shù)據(jù)導(dǎo)出到Excel（可動(dòng)態(tài)插入行）
??///?
??///?
DataTable
??///?
插入數(shù)據(jù)的起始單元格
??public void DataTableToExcel(System.Data.DataTable dt, string cellID)
??{
???int rowIndex = sheet.get_Range(cellID, missing).Row;
???int colIndex = sheet.get_Range(cellID, missing).Column;
???int rowCount = dt.Rows.Count;??//DataTable行數(shù)
???int colCount = dt.Columns.Count;?//DataTable列數(shù)
???int iRow;
???int iCol;
???//利用二維數(shù)組批量寫(xiě)入
???string[,] array = new string[rowCount,colCount];?
???for (iRow = 0; iRow < rowCount; iRow++)
???{
????for (iCol = 0; iCol < colCount; iCol++)
????{
?????array[iRow,iCol] = dt.Rows[iRow][iCol].ToString();
????}
???}
???for (iRow = 0; iRow < rowCount; iRow++)
???{
????this.InsertRows(sheet, iRow+rowIndex);
???}
???this.DeleteRows(sheet, rowCount+rowIndex);
???range? = sheet.get_Range(cellID, missing);
???range = range.get_Resize(rowCount, colCount);
???range.Value2 = array;
??}
??///?
??/// 將DataTable數(shù)據(jù)導(dǎo)出到Excel（固定）
??///?
??///?
DataTable
??///?
插入數(shù)據(jù)的起始單元格
??public void DataTableToExcel2(System.Data.DataTable dt, string cellID)
??{
???int rowCount = dt.Rows.Count;??//DataTable行數(shù)
???int colCount = dt.Columns.Count;?//DataTable列數(shù)
???int iRow;
???int iCol;
???//利用二維數(shù)組批量寫(xiě)入
???string[,] array = new string[rowCount,colCount];?
???for (iRow = 0; iRow < rowCount; iRow++)
???{
????for (iCol = 0; iCol < colCount; iCol++)
????{
?????array[iRow,iCol] = dt.Rows[iRow][iCol].ToString();
????}
???}
???range? = sheet.get_Range(cellID, missing);
???range = range.get_Resize(rowCount, colCount);
???range.Value2 = array;
??}
??#endregion
??///?
??/// 最后調(diào)用，釋放相關(guān)資源，完成
??///?
??public void Finalize()
??{
???this.OutputFile();
???GC.Collect();
???//this.KillExcelProcess();
??}
??///?
??/// 輸出生成的Excel, Html文件
??///?
??private void OutputFile()
??{
???//如果文件已存在，刪除，重新生成
???if (File.Exists(excelFile))
???{
????File.Delete(excelFile);
???}
???if (File.Exists(htmlFile))
???{
????File.Delete(htmlFile);
???}
???try
???{
????book.SaveAs(excelFile, missing, missing, missing, missing, missing,?
?????Excel.XlSaveAsAccessMode.xlExclusive, missing, missing, missing, missing,missing);
????book.SaveAs(htmlFile, Excel.XlFileFormat.xlHtml, missing, missing, missing, missing,
?????Excel.XlSaveAsAccessMode.xlNoChange, missing, missing, missing, missing, missing);
???}
???catch (Exception e)
???{
????throw e;
???}
???finally
???{
????this.Dispose();
???}
??}
??///?
??/// 在工作表中插入行，并調(diào)整其他行以留出空間
??///?
??///?
當(dāng)前工作表
??///?
欲插入的行索引
??private void InsertRows(Excel.Worksheet sheet, int rowIndex)
??{
???range = (Excel.Range)sheet.Rows[rowIndex, missing];???
???//object Range.Insert(object shift, object copyorigin);?
???//shift: Variant類(lèi)型，可選。指定單元格的調(diào)整方式。可以為下列 XlInsertShiftDirection 常量之一：
???//xlShiftToRight 或 xlShiftDown。如果省略該參數(shù)，Microsoft Excel 將根據(jù)區(qū)域形狀確定調(diào)整方式。
???range.Insert(Excel.XlInsertShiftDirection.xlShiftDown, missing);??
??}
??///?
??/// 在工作表中刪除行
??///?
??///?
當(dāng)前工作表
??///?
欲刪除的行索引
??private void DeleteRows(Excel.Worksheet sheet, int rowIndex)
??{
???range = (Range)sheet.Rows[rowIndex, missing];
???range.Delete(Excel.XlDeleteShiftDirection.xlShiftUp);
??}
??///?
??/// 退出Excel，并且釋放調(diào)用的COM資源
??///?
??private void Dispose()
??{
???book.Close(missing, missing, missing);
???app.Workbooks.Close();
???app.Quit();
???if (range != null)
???{
????System.Runtime.InteropServices.Marshal.ReleaseComObject(range);
????range = null;
???}
???if (sheet != null)
???{
????System.Runtime.InteropServices.Marshal.ReleaseComObject(sheet);
????sheet = null;
???}
???if (book != null)
???{
????System.Runtime.InteropServices.Marshal.ReleaseComObject(book);
????book = null;
???}
???if (app != null)
???{
????System.Runtime.InteropServices.Marshal.ReleaseComObject(app);
????app = null;
???}
???//System.GC.Collect();
???//GC.WaitForPendingFinalizers();
???//this.KillExcelProcess();
???//Process pro = Process.GetProcessById(processID);
???//pro.Kill();
??}
??///?
??/// 結(jié)束Excel進(jìn)程
??///?
??private void KillExcelProcess()
??{
???DateTime startTime;
???Process[] processes = Process.GetProcessesByName("Excel");
???//得不到Excel進(jìn)程ID，暫時(shí)只能判斷進(jìn)程啟動(dòng)時(shí)間
???foreach (Process process in processes)
???{
????startTime = process.StartTime;
????if(startTime > beforeTime && startTime < afterTime)
????{
?????process.Kill();
????}
???}
??}
?}
}
?
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