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WinForm導出文件為Word、Excel、文本文件的方法

 更新時間:2015年03月06日 09:06:07   投稿:junjie  
這篇文章主要介紹了WinForm導出文件為Word、Excel、文本文件的方法,本文直接給出實現(xiàn)代碼,代碼中包含相應注釋,需要的朋友可以參考下

好久沒有寫文章了,下面把自己最近程序中用到的一個小小的導出文件的方法給在家分享一下,歡迎大家來排磚,謝謝~不說廢話了,直接上代碼:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using Microsoft.Office.Interop.Word;
using System.IO;
using Microsoft.Office.Interop.Excel;
using Sun.Winform.Util;

namespace Sun.Winform.Files
{
  /// <summary>
/// 將內容導出為文件類。
/// </summary>
/// <remarks>
/// 作者:SunYujing
/// 日期:2011-12-18
/// </remarks>
  public class ExportFile
  {
    /// <summary>
/// 將字符串存儲為word文檔格式的文件的方法(多線程)。
/// </summary>
/// <param name="strText">要保存的字符串內容。</param>
    public static void SaveAsWord(string p_str)
    {
      Thread thread = new Thread(SaveAsWordFile);
      thread.SetApartmentState(ApartmentState.STA);
      thread.Start(p_str);
    }
    /// <summary>
/// 將字符串存儲為txt格式的文件的方法(多線程)。
/// </summary>
/// <param name="p_str"></param>
    public static void SaveAsTxt(string p_str)
    {
      Thread thread = new Thread(SaveAsTxtFile);
      thread.SetApartmentState(ApartmentState.STA);
      thread.Start(p_str);
    }
    /// <summary>
/// 導出數(shù)據(jù)表數(shù)據(jù)到Excel(多線程)。
/// </summary>
    public static void SaveAsExcel(System.Data.DataTable dataTable)
    {
      if (dataTable == null)
      {
        MessageUtil.ShowError("請先指定要導出的數(shù)據(jù)表");
        return;
      }
      Thread thread = new Thread(SaveAsExcelTableFile);
      thread.SetApartmentState(ApartmentState.STA);
      thread.Start(dataTable);
    }
    /// <summary>
/// 導出數(shù)據(jù)集數(shù)據(jù)到Excel(多線程)。
/// </summary>
    public static void SaveAsExcel(System.Data.DataSet dataSet)
    {
      if (dataSet == null)
      {
        MessageUtil.ShowError("請先指定要導出的數(shù)據(jù)集");
        return;
      }
      Thread thread = new Thread(SaveAsExcelSetFile);
      thread.SetApartmentState(ApartmentState.STA);
      thread.Start(dataSet);
    }
    /// <summary>
/// 將字符串存儲為word文檔格式的文件。
/// </summary>
/// <param name="strtext">要保存的字符串內容。</param>
    private static void SaveAsWordFile(object strtext)
    {
      SaveFileDialog sfd = new SaveFileDialog();
      sfd.Title = "請選擇文件存放路徑";
      sfd.FileName = "導出數(shù)據(jù)";
      sfd.Filter = "Word文檔(*.doc)|*.doc";
      if (sfd.ShowDialog() != DialogResult.OK)
      {
        return;
      }
      string FileName = sfd.FileName.ToLower();
      if (!FileName.Contains(".doc"))
      {
        FileName += ".doc";
      }
      if (FileName.Substring(FileName.LastIndexOf(Path.DirectorySeparatorChar)).Length <= 5)
      {
        MessageUtil.ShowThreadMessage("文件保存失敗,文件名不能為空!");
        return;
      }
      try
      {
        DateTime start = DateTime.Now;
        MessageUtil.ShowThreadMessage("正在保存文件,請稍候...");
        Microsoft.Office.Interop.Word.ApplicationClass word = new Microsoft.Office.Interop.Word.ApplicationClass();
        Microsoft.Office.Interop.Word._Document doc;
        object nothing = System.Reflection.Missing.Value;
        doc = word.Documents.Add(ref nothing, ref nothing, ref nothing, ref nothing);
        doc.Paragraphs.Last.Range.Text = strtext.ToString();
        object myfileName = FileName;
        //將WordDoc文檔對象的內容保存為doc文檔
        doc.SaveAs(ref myfileName, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing, ref nothing);
        //關閉WordDoc文檔對象
        doc.Close(ref nothing, ref nothing, ref nothing);
        //關閉WordApp組件對象
        word.Quit(ref nothing, ref nothing, ref nothing);
        GC.Collect();
        DateTime end = DateTime.Now;
        TimeSpan ts = end - start;
        MessageUtil.ShowMessage("文件保存成功,用時" + ts.ToString());
      }
      catch (System.Exception ex)
      {
        MessageUtil.ShowError(ex.Message);
      }
    }
    /// <summary>
/// 將字符串存儲為txt文檔格式的文件。
/// </summary>
/// <param name="strtext">要保存的字符串內容。</param>
    private static void SaveAsTxtFile(object strtext)
    {
      SaveFileDialog sfd = new SaveFileDialog();
      sfd.Title = "請選擇文件存放路徑";
      sfd.FileName = "導出數(shù)據(jù)";
      sfd.Filter = "文本文檔(*.txt)|*.txt";
      if (sfd.ShowDialog() != DialogResult.OK)
      {
        return;
      }
      string FileName = sfd.FileName.ToLower();
      if (!FileName.Contains(".txt"))
      {
        FileName += ".txt";
      }
      if (FileName.Substring(FileName.LastIndexOf(Path.DirectorySeparatorChar)).Length <= 5)
      {
        MessageUtil.ShowThreadMessage("文件保存失敗,文件名不能為空!");
        return;
      }
      try
      {
        DateTime start = DateTime.Now;
        StreamWriter sw = new StreamWriter(FileName, false);
        sw.Write(strtext.ToString());
        sw.Flush();
        sw.Close();
        DateTime end = DateTime.Now;
        TimeSpan ts = end - start;
        MessageUtil.ShowMessage("文件保存成功,用時" + ts.ToString());
      }
      catch (Exception ex)
      {
        MessageUtil.ShowError(ex.Message);
      }
    }
    /// <summary>
/// 將數(shù)據(jù)存儲為Excel文件。
/// </summary>
/// <param name="p_dt">要保存的數(shù)據(jù)表。</param>
    private static void SaveAsExcelTableFile(object p_dt)
    {
      System.Data.DataTable dt = (System.Data.DataTable)p_dt;
      if (dt.Rows.Count == 0)
      {
        MessageUtil.ShowError("沒有可保存的數(shù)據(jù)");
        return;
      }
      SaveFileDialog sfd = new SaveFileDialog();
      sfd.Title = "請選擇文件存放路徑";
      sfd.FileName = "導出數(shù)據(jù)";
      sfd.Filter = "Excel文檔(*.xls)|*.xls";
      if (sfd.ShowDialog() != DialogResult.OK)
      {
        return;
      }
      string FileName = sfd.FileName.ToLower();
      if (!FileName.Contains(".xls"))
      {
        FileName += ".xls";
      }
      if (FileName.Substring(FileName.LastIndexOf(Path.DirectorySeparatorChar)).Length <= 5)
      {
        MessageUtil.ShowThreadMessage("文件保存失敗,文件名不能為空!");
        return;
      }
      if (sfd.FileName != "")
      {
        Microsoft.Office.Interop.Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application();
        if (excelApp == null)
        {
          MessageBox.Show("無法創(chuàng)建Excel對象,可能您的機器未安裝Excel");
          return;
        }
        else
        {
          MessageUtil.ShowThreadMessage("正在導出數(shù)據(jù),請稍候...");
          DateTime start = DateTime.Now;
          Microsoft.Office.Interop.Excel.Workbooks workbooks = excelApp.Workbooks;
          Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet);
          Microsoft.Office.Interop.Excel.Worksheet worksheet = (Worksheet)workbook.Worksheets[1];

          for (int col = 1; col <= dt.Columns.Count; col++)
          {
            worksheet.Cells[1, col] = dt.Columns[col - 1].Caption.ToString();
          }
          for (int i = 0; i < dt.Rows.Count; i++)
          {
            for (int j = 0; j < dt.Columns.Count; j++)
            {
              worksheet.Cells[i + 2, j + 1] = dt.Rows[i][j].ToString();
            }
          }
          workbook.Saved = true;
          workbook.SaveCopyAs(sfd.FileName);
          //釋放資源
          System.Runtime.InteropServices.Marshal.ReleaseComObject(worksheet);
          worksheet = null;
          System.Runtime.InteropServices.Marshal.ReleaseComObject(workbook);
          workbook = null;
          workbooks.Close();
          System.Runtime.InteropServices.Marshal.ReleaseComObject(workbooks);
          workbooks = null;
          excelApp.Quit();
          System.Runtime.InteropServices.Marshal.ReleaseComObject(excelApp);
          excelApp = null;
          //使用垃圾回收可以關閉EXCEL.EXE進程
          GC.Collect();
          DateTime end = DateTime.Now;
          int iTimeSpan = (end.Minute - start.Minute) * 60 + (end.Second - start.Second);
          MessageUtil.ShowMessage("數(shù)據(jù)導出完畢,用時" + iTimeSpan.ToString() + "秒");
        }
      }
    }
    /// <summary>
/// 將數(shù)據(jù)集存儲為Excel文件。
/// </summary>
/// <param name="p_ds">要導出的數(shù)據(jù)集。</param>
    private static void SaveAsExcelSetFile(object p_ds)
    {
      System.Data.DataSet ds = (System.Data.DataSet)p_ds;
      if (ds == null || ds.Tables.Count == 0)
      {
        MessageUtil.ShowError("沒有可保存的數(shù)據(jù)");
        return;
      }
      SaveFileDialog sfd = new SaveFileDialog();
      sfd.Title = "請選擇文件存放路徑";
      sfd.FileName = "導出數(shù)據(jù)";
      sfd.Filter = "Excel文檔(*.xls)|*.xls";
      if (sfd.ShowDialog() != DialogResult.OK)
      {
        return;
      }
      string FileName = sfd.FileName.ToLower();
      if (!FileName.Contains(".xls"))
      {
        FileName += ".xls";
      }
      if (FileName.Substring(FileName.LastIndexOf(Path.DirectorySeparatorChar)).Length <= 5)
      {
        MessageUtil.ShowThreadMessage("文件保存失敗,文件名不能為空!");
        return;
      }
      if (sfd.FileName != "")
      {
        Microsoft.Office.Interop.Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application();
        if (excelApp == null)
        {
          MessageBox.Show("無法創(chuàng)建Excel對象,可能您的機器未安裝Excel");
          return;
        }
        else
        {
          MessageUtil.ShowThreadMessage("正在導出數(shù)據(jù),請稍候...");
          DateTime start = DateTime.Now;
          Microsoft.Office.Interop.Excel.Workbooks workbooks = excelApp.Workbooks;
          Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet);
          Microsoft.Office.Interop.Excel.Worksheet worksheet = null;
          object objMissing = System.Reflection.Missing.Value;
          for (int m = 0; m < ds.Tables.Count; m++)
          {
            System.Data.DataTable dt = ds.Tables[m];
            worksheet = (Worksheet)workbook.ActiveSheet;
            worksheet.Name = dt.TableName;
            for (int col = 1; col <= dt.Columns.Count; col++)
            {
              worksheet.Cells[1, col] = dt.Columns[col - 1].Caption.ToString();
            }
            for (int i = 1; i <= dt.Rows.Count; i++)
            {
              for (int j = 1; j <= dt.Columns.Count; j++)
              {
                worksheet.Cells[i + 1, j] = dt.Rows[i - 1][j - 1].ToString();
              }
            }
            if (m < ds.Tables.Count - 1)
            {
              workbook.Sheets.Add(objMissing, objMissing, 1, XlSheetType.xlWorksheet);
            }
          }
          workbook.Saved = true;
          workbook.SaveCopyAs(sfd.FileName);
          //釋放資源
          System.Runtime.InteropServices.Marshal.ReleaseComObject(worksheet);
          worksheet = null;
          System.Runtime.InteropServices.Marshal.ReleaseComObject(workbook);
          workbook = null;
          workbooks.Close();
          System.Runtime.InteropServices.Marshal.ReleaseComObject(workbooks);
          workbooks = null;
          excelApp.Quit();
          System.Runtime.InteropServices.Marshal.ReleaseComObject(excelApp);
          excelApp = null;
          GC.Collect();
          DateTime end = DateTime.Now;
          int iTimeSapn = (end.Minute - start.Minute) * 60 + (end.Second - start.Second);
          MessageUtil.ShowMessage("數(shù)據(jù)導出完畢,用時" + (iTimeSapn / 60).ToString() + "分" + (iTimeSapn % 60).ToString() + "秒");
        }
      }
    }
  }
}

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