Asp.net实现直接在浏览器预览Word、Excel、PDF、Txt文件(附源码)
- 功能说明 输入文件路径,在浏览器输出文件预览信息,经测试360极速(Chrome)、IE9/10、Firefox通过 分类文件及代码说明 DemoFiles 存放可测试文件 Default.aspx 启动页
- ExcelPreview.cs Excel预览类
- public static void Priview(System.Web.UI.Page p, string inFilePath, string outDirPath = '')
word-spacing:="/" /> { word-spacing:="/" /> 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(); }
- PDfPreview.cs Pdf预览类
1. public static void Priview(System.Web.UI.Page p, string inFilePath)
2. {
3. p.Response.ContentType = 'Application/pdf' ;
4. string fileName = inFilePath.Substring(inFilePath.LastIndexOf( '' ) + 1 );
5. p.Response.AddHeader( 'content-disposition' , 'filename=' + fileName);
6. p.Response.WriteFile(inFilePath);
7. p.Response.End();
8. }
TextFilePreview.cs 文本文件预览类
01. public static void Preview(System.Web.UI.Page p, string inFilePath)
02. {
03. string fileName = inFilePath.Substring(inFilePath.LastIndexOf( '' ) + 1 );
04. p.Response.ContentType = 'text/plain' ;
05. p.Response.ContentEncoding = System.Text.Encoding.UTF8;
06. p.Response.AddHeader( 'content-disposition' , 'filename=' + fileName);
07. p.Response.WriteFile(inFilePath);
08. p.Response.End();
09. }
WordPreview.cs Word预览类 Readme.txt 说明了基本功能及引用Com组件的方法(首先需要安装office),需引入的组件包括 Microsoft Word 15.0 Microsoft Excel 15.0
预览效果 1、Word
 2、Excel
 3、Pdf
 4、Txt

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- 未解决的问题 Pdf、txt文件只能在当前页显示,并导致后退键无效,请各位帮忙解决此两种文件和doc、xls一样在新的tab中打开
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