code: public static RandomAccessFile createRandomAccessFile(File file, FileMode mode) {
  		try {
  			return new RandomAccessFile(file, mode.name());
  		} catch (FileNotFoundException e) {
  			throw new IORuntimeException(e);
  		}
  	}
docs: 创建{@link RandomAccessFile}
  
  @param file 文件
  @param mode 模式，见{@link FileMode}
  @return {@link RandomAccessFile}
  @since 4.5.2