java中调用图片音频等文件的相对路径问题-优快云博客

本文介绍了一个资源管理器类，用于在Java应用程序中加载图片、音频等资源。该类使用类加载器来查找资源，并提供了获取图标、图像和音频片段的方法。

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import javax.swing.ImageIcon;
import java.awt.Image;
import java.awt.Toolkit;
import java.io.File;
import java.applet.Applet;
import java.applet.AudioClip;

/**
*
* <p>Title: 获取资源</p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2008</p>
* <p>Company: </p>
* @author landix
* @version 1.0
*/
public class ResourceManager {
    //系统图片路径
    private static String IMAGE_RESOURCE_PATH = "com/landix/oamq/client/images/";
    //系统音频路径
    private static String SOUND_RESOURCE_PATH = "com/landix/oamq/client/sound/";
    //系统文件路径
    private static String FILE_RESOURCE_PATH = "";

    private ResourceManager() {
    }

    public static ImageIcon getIcon(String imageName) {
       if (imageName == null) return(null);
       ImageIcon icon = null;
       try {
                //通过类加载器加载图片资源，作为图标对象的参数
           icon = new ImageIcon(ResourceManager.class.getClassLoader()
                                                 .getResource(IMAGE_RESOURCE_PATH + imageName));
       } catch (Exception ex) {
          System.out.println ("### Exception in getIcon() : \r\n" + IMAGE_RESOURCE_PATH + imageName + " " + ex.toString());
       }

       return icon;
    }

    public static Image getImage(String imageName) {
        if (imageName == null) return(null);
        Image image = null;
        try {
                   //通过类加载器加载图片资源，作为图标对象的参数
        	   image = Toolkit.getDefaultToolkit().getImage(ResourceManager.class.getClassLoader()
                        .getResource(IMAGE_RESOURCE_PATH + imageName));
        } catch (Exception ex) {
           System.out.println ("### Exception in getIcon() : \r\n" + IMAGE_RESOURCE_PATH + imageName + " " + ex.toString());
        }

        return image;
     }

    public static AudioClip getSound(String soundName) {
        if (soundName == null) return(null);
        AudioClip wowo = null ;
        try {
          	  //通过类加载器加载声音资源，作为声音对象的参数
        	   wowo = Applet.newAudioClip(ResourceManager.class.getClassLoader()
                       .getResource(SOUND_RESOURCE_PATH + soundName));
        } catch ( Exception ex ) {
           System.out.println ("### Exception in getIcon() : \r\n" + SOUND_RESOURCE_PATH + soundName + " " + ex.toString());
        }

        return wowo;
     }

    public static File getFile(String fileName) {
        if (fileName == null) return(null);
        File file = null;
        try {
	 //通过类加载器加载文件资源，作为文件对象的参数
        	   file = new File(ResourceManager.class.getClassLoader()
                                                  .getResource(FILE_RESOURCE_PATH + fileName).toString());
        } catch (Exception ex) {
           System.out.println ("### Exception in getIcon() : \r\n" + FILE_RESOURCE_PATH + fileName + " " + ex.toString());
        }

        return file;
     }

}