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1.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
2.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 = "")
{
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();
}
4.PDfPreview.cs Pdf预览类
public static void Priview(System.Web.UI.Page p, string inFilePath)
{
p.Response.ContentType = "Application/pdf";
string fileName = inFilePath.Substring(inFilePath.LastIndexOf('\\') + 1);
p.Response.AddHeader("content-disposition", "filename=" + fileName);
p.Response.WriteFile(inFilePath);
p.Response.End();
}
5.TextFilePreview.cs 文本文件预览类
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();
}
6. WordPreview.cs Word预览类
7.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
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
5.源码下载：http://xiazai.haodaima.com/201612/yuanma/FilePreviewInBrowser_jb51.rar
以上就是本文的全部内容，希望本文的内容对大家的学习或者工作能带来一定的帮助，同时也希望多多支持！
