android 照片文件保存

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 private PictureFileInfo storageImageFile(Bitmap b){
     PictureFileInfo pfif=new PictureFileInfo();
  File f=new File(Environment.getExternalStorageDirectory().getPath()+SAVE_PATH,new ToolsDate().getDate()+".jpg");
  //判断是否有这个目录 没有则创建
  if(!f.exists()){
      new File(Environment.getExternalStorageDirectory().getPath()+SAVE_PATH).mkdirs();

      }
  BufferedOutputStream bos;
  try {
      bos = new BufferedOutputStream(new FileOutputStream(f));
      b.compress(CompressFormat.JPEG, 100,bos);
      bos.flush();
      bos.close();
  } catch (FileNotFoundException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
  } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
  }
  pfif.setFileName(f.getName());
  pfif.setFilePath(f.getPath());
  pfif.setFileDate(ToolsDate.getLongDate(f.lastModified()));
  pfif.setFileLength(f.length());
  return pfif;
 }