Java-multipartfile image upload Server, and specify size compression

1  /***2 * Upload images to server and compress3      *4      * @parammyFile File5      * @paramRequest6      * @return7      */8     PrivateBoolean UploadFile (Multipartfile myFile,intWidthintheight, httpservletrequest request) {9Boolean STA =false;TenInputStream is =NULL; OneFileOutputStream fs =NULL; A         /**Temp Folder*/ -String Imgpath = "Xyimages" + file.separator + "Buttonimgtemp" +File.separator; -String TempPath = Servletconstants.web_root_os_path +Imgpath; theSystem.out.println ("old-path-" +TempPath); -String name =myfile.getoriginalfilename (); -File OldFile =NewFile (TempPath); -         if(!oldfile.exists ()) { + oldfile.mkdirs (); -         } +         /**folder after processing*/ AString Newimapath = "Xyimages" + file.separator + "buttonimg" +File.separator; atString NewPath = Servletconstants.web_root_os_path +Newimapath; -System.out.println ("new-path-" +NewPath); -File NewFile =NewFile (NewPath); -         if(!newfile.exists ()) { - newfile.mkdirs (); -         } in         Try { -             /**access the source file first*/ tois =Myfile.getinputstream (); +FS =NewFileOutputStream (TempPath +myfile.getoriginalfilename ()); -             //... the             if(Myfile.getsize () > 0) { *                 byte[] buffer =New byte[1024 * 1024]; $                 intBytesum = 0;Panax Notoginseng                 intByteread = 0; -                  while((Byteread = is.read (buffer))! =-1) { theBytesum + =Byteread; +Fs.write (buffer, 0, byteread); A Fs.flush (); the                 } + fs.close (); - is.close (); $             } $             /**process the source files, compress and place them in the new folder*/ -String OldPath = TempPath +myfile.getoriginalfilename (); -String Copypath = NewPath +myfile.getoriginalfilename (); theBoolean ys =zipwidthheightimagefile (OldPath, Copypath, Width,height, 1f); -             if(YS)WuyiSTA =true; the             Else -STA =false; Wu}Catch(Exception ex) { - ex.printstacktrace (); AboutSTA =false; $         } -         returnSTA; -}

The first step is to save the source image first

1 /***2 * Compress to make size picture3      *4      * @paramoldpath Temporary picture path5      * @paramCopypath Compress picture save path6      * @paramwidth Widths7      * @paramHeight Altitude8      * @paramquality High Definition degree9      * @returnTen      * @throwsException One      */ A     PrivateBoolean zipwidthheightimagefile (String OldPath, String Copypath,intWidthintheight, -                                             floatquality) { -Boolean STA =false; theFile OldFile =NewFile (oldpath); -File NewFile =NewFile (copypath); -         if(OldFile = =NULL) { -             return NULL; +         } -String NewImage =NULL; +         Try { A             /**processing temporary files on the server*/ atImage Srcfile =Imageio.read (oldFile); -             intW = srcfile.getwidth (NULL); - System.out.println (w); -             intH = srcfile.getheight (NULL); - System.out.println (h); -  in             /**wide, high setting*/ -BufferedImage tag =Newbufferedimage (width, height, bufferedimage.type_int_rgb); toTag.getgraphics (). DrawImage (srcfile, 0, 0, width, height,NULL); +             //String Fileprex = oldfile.substring (0, Oldfile.indexof ('. ')); -             /**file name after compression*/ the             //newimage = Fileprex + smallicon+ oldfile.substring (Fileprex.length ()); *  $             /**temporary storage location after compression*/Panax NotoginsengFileOutputStream out =NewFileOutputStream (newFile); -  theJPEGImageEncoder encoder =Jpegcodec.createjpegencoder (out); +JPEGEncodeParam Jep =Jpegcodec.getdefaultjpegencodeparam (tag); A             /**Compression Quality*/ theJep.setquality (Quality,true); + Encoder.encode (tag, Jep); - out.close (); $STA =true; $}Catch(Exception e) { - e.printstacktrace (); -STA =false; the         } -         returnSTA;Wuyi}

Compress Pictures

Java-multipartfile image upload Server, and specify size compression