Javaフォームプログラムが静的リソースを呼び出す

/**
 * 根据相对路径加载图片
 * @param path: 图片的相对路径
 * @return: 获取到的图片对象
 */public Image getImagePath(String path) {  
    Image image=null;  
    InputStream is = (InputStream) this.getClass().getClassLoader().getResourceAsStream(path);    try {
        image=ImageIO.read(is);
    } catch (IOException e) {
        e.printStackTrace();
    }    return image;  
} 
/**
 * 根据相对路径加载音频
 * @param path: 音频文件的相对路径
 * @return: 获取到的音频对象
 */public AudioStream getAudioPath(String resource){  
    InputStream is = (InputStream) this.getClass().getClassLoader().getResourceAsStream(resource);     
    AudioStream as = null;    try {
        as = new AudioStream(is);
    } catch (IOException e) {
        e.printStackTrace();
    }    return as;  
} 
/**
 * 根据相对路径加载字体
 * @param path: 字体文件的相对路径
 * @return: 获取到的字体对象
 */public Font getDefinedFont(String path) {  
    if (definedFont == null) {  
        InputStream is = null;  
        BufferedInputStream bis = null;  
        try {  
            is = (InputStream) this.getClass().getClassLoader().getResourceAsStream(path);            bis = new BufferedInputStream(is);  
            definedFont = Font.createFont(Font.TRUETYPE_FONT, bis);  
            definedFont = definedFont.deriveFont(25f);  
            definedFont = definedFont.deriveFont(Font.BOLD);
        } catch (FontFormatException e) {  
            e.printStackTrace();  
        } catch (IOException e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                 if (null != bis) {  
                    bis.close();  
                 }  
                 if (null != is) {  
                    is.close();  
                 }  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
    }  
    return definedFont;  
}

/*图片*/logo = getImagePath("resource/image/logo.png");
logoIcon = new ImageIcon(logo);
logoLabel = new JLabel(logoIcon);

/*字体*/titel = new JLabel(name);
titel.setFont(getDefinedFont("resource/font/叶根友毛笔特色简体.ttf"));

/*音乐*/backMusic = getAudioPath("resource/music/竹苑情歌.au");
AudioPlayer.player.start(backMusic);  /*播放背景音乐*/