Java Learning---Downloading files and encoding files

Import Java.io.ioexception;import Java.net.urlencoder;import Sun.misc.base64encoder;public class FileUtils {/**         * When downloading a file, the name of the attachment is encoded for different browsers * * @param filename * Download file name * @param agent * Client browser * @return encoded download attachment name * @throws IOException */public static String E Ncodedownloadfilename (string filename, string agent) throws IOException {if (Agent.contains ("Fi Refox ")) {//Firefox filename =" =? UTF-8?                        B? "                + New Base64encoder (). Encode (Filename.getbytes ("utf-8") + "? =";            filename = Filename.replaceall ("\ r \ n", "");                } else {//IE and other browsers filename = urlencoder.encode (filename, "utf-8");            filename = filename.replace ("+", "");        } return filename; }}

Java Learning---Downloading files and encoding files