具体实现过程不多说了，直接贴代码了。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Microsoft.Office.Interop.Excel;
using System.Diagnostics;
using System.IO;
using Microsoft.Office.Interop.Word;
namespace Suya.Web.Apps.Areas.PMP.Controllers
{
/// <summary>
/// 在线预览Office文件
/// </summary>
public class OfficeViewController : Controller
{
#region Index页面
/// <summary>
/// Index页面
/// </summary>
/// <param name="url">例：/uploads/......XXX.xls</param>
public ActionResult Index(string url)
{
string physicalPath = Server.MapPath(Server.UrlDecode(url));
string extension = Path.GetExtension(physicalPath);
string htmlUrl = "";
switch (extension.ToLower())
{
case ".xls":
case ".xlsx":
htmlUrl = PreviewExcel(physicalPath, url);
break;
case ".doc":
case ".docx":
htmlUrl = PreviewWord(physicalPath, url);
break;
case ".txt":
htmlUrl = PreviewTxt(physicalPath, url);
break;
case ".pdf":
htmlUrl = PreviewPdf(physicalPath, url);
break;
}
return Redirect(Url.Content(htmlUrl));
}
#endregion
#region 预览Excel
/// <summary>
/// 预览Excel
/// </summary>
public string PreviewExcel(string physicalPath, string url)
{
Microsoft.Office.Interop.Excel.Application application = null;
Microsoft.Office.Interop.Excel.Workbook workbook = null;
application = new Microsoft.Office.Interop.Excel.Application();
object missing = Type.Missing;
object trueObject = true;
application.Visible = false;
application.DisplayAlerts = false;
workbook = application.Workbooks.Open(physicalPath, missing, trueObject, missing, missing, missing,
missing, missing, missing, missing, missing, missing, missing, missing, missing);
//Save Excel to Html
object format = Microsoft.Office.Interop.Excel.XlFileFormat.xlHtml;
string htmlName = Path.GetFileNameWithoutExtension(physicalPath) + ".html";
String outputFile = Path.GetDirectoryName(physicalPath) + "\\" + htmlName;
workbook.SaveAs(outputFile, format, missing, missing, missing,
missing, XlSaveAsAccessMode.xlNoChange, missing,
missing, missing, missing, missing);
workbook.Close();
application.Quit();
return Path.GetDirectoryName(Server.UrlDecode(url)) + "\\" + htmlName;
}
#endregion
#region 预览Word
/// <summary>
/// 预览Word
/// </summary>
public string PreviewWord(string physicalPath, string url)
{
Microsoft.Office.Interop.Word._Application application = null;
Microsoft.Office.Interop.Word._Document doc = null;
application = new Microsoft.Office.Interop.Word.Application();
object missing = Type.Missing;
object trueObject = true;
application.Visible = false;
application.DisplayAlerts = WdAlertLevel.wdAlertsNone;
doc = application.Documents.Open(physicalPath, missing, trueObject, missing, missing, missing,
missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);
//Save Excel to Html
object format = Microsoft.Office.Interop.Word.WdSaveFormat.wdFormatHTML;
string htmlName = Path.GetFileNameWithoutExtension(physicalPath) + ".html";
String outputFile = Path.GetDirectoryName(physicalPath) + "\\" + htmlName;
doc.SaveAs(outputFile, format, missing, missing, missing,
missing, XlSaveAsAccessMode.xlNoChange, missing,
missing, missing, missing, missing);
doc.Close();
application.Quit();
return Path.GetDirectoryName(Server.UrlDecode(url)) + "\\" + htmlName;
}
#endregion
#region 预览Txt
/// <summary>
/// 预览Txt
/// </summary>
public string PreviewTxt(string physicalPath, string url)
{
return Server.UrlDecode(url);
}
#endregion
#region 预览Pdf
/// <summary>
/// 预览Pdf
/// </summary>
public string PreviewPdf(string physicalPath, string url)
{
return Server.UrlDecode(url);
}
#endregion
}
}以上就是针对直接在线预览word、excel、text、pdf文件的全部内容，希望大家喜欢。
https://www.jb51.net/article/70561.htm
