我要评论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。
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