Jsp [tip] used for direct download files rather than open in the browser function

Abstract: [tip] jsp used for direct download files rather than open in the browser function

<% / / Example: / / download image
String root = getServletContext (). GetRealPath ("/"); String path = request. GetParameter ( "path"); String name = request. GetParameter ( "name");
Response. SetContentType ( "unknown"); response. AddHeader ( "Content-Disposition", "filename = \" "+ name +" \ "");
Try (java.io.OutputStream os = response. GetOutputStream (); java.io.FileInputStream fis = new java.io. FileInputStream (root path + + name);
Byte [] b = new byte [1024]; int i = 0;
While ((i = fis. Read (b))> 0) (os. Write (b, 0, i);)
Fis. Close (); os. Flush (); os. Close ();) catch (Exception e) ()%>