<%@ Page Language="C#" AutoEventWireup="true" CodeFile="LocalhostOpenFile.aspx.cs" Inherits="LocalhostOpenFile" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<div>
<asp:Button ID="btnWord" runat="server" Text="WordPreivew" OnClick="btnWord_Click" />
</div>
<br />
<div>
<asp:Button ID="btnExel" runat="server" Text="ExcelPreivew" OnClick="btnExcel_Click" />
</div>
<br />
<div>
<asp:Button ID="btnPPt" runat="server" Text="PPtPreivew" OnClick="btnPPt_Click" />
</div>
<br />
<div>
<asp:Button ID="btnPDF" runat="server" Text="PDFPreivew" OnClick="btnPDF_Click" />
</div>
<br />
<div>
<asp:Button ID="btnTxt" runat="server" Text="TxtPreivew" OnClick="btnTxt_Click" />
</div>
<br />
<div>
<asp:Button ID="btnImage" runat="server" Text="ImagePreivew" OnClick="btnImage_Click" />
</div>
</div>
</form>
</body>
</html>
cs后台代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using FilePreView.Common;
/// <summary>
/// 预览本地文件
/// </summary>
public partial class LocalhostOpenFile : System.Web.UI.Page
{
string outputDirPath = @"F:\项目\Cai\FilePreView\FilePreView\"; //Word和Excel转换成Html，Html文件存放的位置
protected void Page_Load(object sender, EventArgs e)
{
}
/// <summary>
/// 预览Word
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnWord_Click(object sender, EventArgs e)
{
string filePath = Server.MapPath("~") + @"\DemoFiles\Test.docx";
WordPreview.Priview(this, filePath, outputDirPath);
}
/// <summary>
/// 预览Execl
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnExcel_Click(object sender, EventArgs e)
{
string filePath = Server.MapPath("~") + @"\DemoFiles\Test.xlsx";
ExcelPreview.Priview(this, filePath, outputDirPath);
}
/// <summary>
/// 预览PPT
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnPPt_Click(object sender, EventArgs e)
{
string filePath = Server.MapPath("~") + @"\DemoFiles\文档浏览.pptx";
PPTPreview.Priview(this, filePath, outputDirPath);
}
/// <summary>
/// 预览Image
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnImage_Click(object sender, EventArgs e)
{
string filePath = Server.MapPath("~") + @"\DemoFiles\Test.png";
ImagePreview.Preview(this, filePath);
}
/// <summary>
/// 预览PDf
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnPDF_Click(object sender, EventArgs e)
{
string filePath = Server.MapPath("~") + @"\DemoFiles\Test.pdf";
PDFPreview.Priview(this, filePath);
}
/// <summary>
/// 预览Txt
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnTxt_Click(object sender, EventArgs e)
{
string filePath = Server.MapPath("~") + @"\DemoFiles\Test.txt";
TextFilePreview.Preview(this, filePath);
}
}
using Microsoft.Office.Interop.Excel;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Web;
/// <summary>
/// Summary description for ExcelPreview
/// </summary>
public class ExcelPreview
{
public static void Priview(System.Web.UI.Page p, string inFilePath, string outDirPath = "")
{
Microsoft.Office.Interop.Excel.Application excel = null;
Microsoft.Office.Interop.Excel.Workbook xls = null;
excel = new Microsoft.Office.Interop.Excel.Application();
object missing = Type.Missing;
object trueObject = true;
excel.Visible = false;
excel.DisplayAlerts = false;
string randomName = DateTime.Now.Ticks.ToString(); //output fileName
xls = excel.Workbooks.Open(inFilePath, 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;
Workbook wsCurrent = xls;//(Workbook)wsEnumerator.Current;
String outputFile = outDirPath + randomName + ".html";
wsCurrent.SaveAs(outputFile, format, missing, missing, missing,
missing, XlSaveAsAccessMode.xlNoChange, missing,
missing, missing, missing, missing);
excel.Quit();
//Open generated Html
Process process = new Process();
process.StartInfo.UseShellExecute = true;
process.StartInfo.FileName = outputFile;
process.Start();
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
/// <summary>
/// 图片预览
/// </summary>
public class ImagePreview
{
public static void Preview(System.Web.UI.Page p, string inFilePath)
{
p.Response.ContentType = "image/png";
string fileName = inFilePath.Substring(inFilePath.LastIndexOf('\\') + 1);
p.Response.AddHeader("content-disposition", "filename=" + fileName);
p.Response.WriteFile(inFilePath);
p.Response.End();
}
}
using Microsoft.Office.Interop.Excel;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Web;
/// <summary>
/// ppt预览
/// </summary>
public class PPTPreview
{
public static void Priview(System.Web.UI.Page p, string inFilePath, string outDirPath = "")
{
#region "转换html"
Microsoft.Office.Interop.Excel.Application excel = null;
Microsoft.Office.Interop.Excel.Workbook xls = null;
excel = new Microsoft.Office.Interop.Excel.Application();
object missing = Type.Missing;
object trueObject = true;
excel.Visible = false;
excel.DisplayAlerts = false;
string randomName = DateTime.Now.Ticks.ToString(); //output fileName
xls = excel.Workbooks.Open(inFilePath, 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;
Workbook wsCurrent = xls;//(Workbook)wsEnumerator.Current;
String outputFile = outDirPath + randomName + ".html";
wsCurrent.SaveAs(outputFile, format, missing, missing, missing,
missing, XlSaveAsAccessMode.xlNoChange, missing,
missing, missing, missing, missing);
excel.Quit();
//Open generated Html
Process process = new Process();
process.StartInfo.UseShellExecute = true;
process.StartInfo.FileName = outputFile;
process.Start();
#endregion
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
/// <summary>
/// Txt预览
/// </summary>
public class TextFilePreview
{
public static void Preview(System.Web.UI.Page p, string inFilePath)
{
string fileName = inFilePath.Substring(inFilePath.LastIndexOf('\\') + 1);
p.Response.ContentType = "text/plain";
p.Response.ContentEncoding = System.Text.Encoding.UTF8; //保持和文件的编码格式一致
p.Response.AddHeader("content-disposition", "filename=" + fileName);
p.Response.WriteFile(inFilePath);
p.Response.End();
}
}
using Microsoft.Office.Interop.Word;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Web;
/// <summary>
/// Summary description for WordPreview
/// </summary>
public class WordPreview
{
public static void Priview(System.Web.UI.Page p, string inFilePath, string outDirPath = "")
{
#region "下载Word"
//p.Response.ContentType = "Application/msword";
//string fileName = inFilePath.Substring(inFilePath.LastIndexOf('\\') + 1);
//p.Response.AddHeader("content-disposition", "filename=" + fileName);
//p.Response.WriteFile(inFilePath);
//p.Response.End();
#endregion
#region "准换html"
//object missingType = Type.Missing;
//object readOnly = true;
//object isVisible = false;
//object documentFormat = 8;
//string randomName = DateTime.Now.Ticks.ToString();
//object htmlFilePath = outDirPath + randomName + ".htm";
//string directoryPath = outDirPath + randomName + "_files";
//object filePath = inFilePath;
////Open the word document in background
//ApplicationClass applicationclass = new ApplicationClass();
//applicationclass.Documents.Open(ref filePath,
// ref readOnly,
// ref missingType, ref missingType, ref missingType,
// ref missingType, ref missingType, ref missingType,
// ref missingType, ref missingType, ref isVisible,
// ref missingType, ref missingType, ref missingType,
// ref missingType, ref missingType);
//applicationclass.Visible = false;
//Document document = applicationclass.ActiveDocument;
////Save the word document as HTML file
//document.SaveAs(ref htmlFilePath, ref documentFormat, ref missingType,
// ref missingType, ref missingType, ref missingType,
// ref missingType, ref missingType, ref missingType,
// ref missingType, ref missingType, ref missingType,
// ref missingType, ref missingType, ref missingType,
// ref missingType);
////Close the word document
//document.Close(ref missingType, ref missingType, ref missingType);
//#region Read the Html File as Byte Array and Display it on browser
////byte[] bytes;
////using (FileStream fs = new FileStream(htmlFilePath.ToString(), FileMode.Open, FileAccess.Read))
////{
//// BinaryReader reader = new BinaryReader(fs);
//// bytes = reader.ReadBytes((int)fs.Length);
//// fs.Close();
////}
////p.Response.BinaryWrite(bytes);
////p.Response.Flush();
////p.Response.End();
//#endregion
//Process process = new Process();
//process.StartInfo.UseShellExecute = true;
//process.StartInfo.FileName = htmlFilePath.ToString();
//process.Start();
//#region Delete the Html File and Diretory
////File.Delete(htmlFilePath.ToString());
////foreach (string file in Directory.GetFiles(directoryPath))
////{
//// File.Delete(file);
////}
////Directory.Delete(directoryPath);
//#endregion
#endregion
}
}