Java关于飞机大战项目的一个基础问题

会断发表于 2021-5-19 21:01

本帖最后由会断于 2021-5-25 08:26 编辑

pause输出为4是什么原因?gif的输出为2是因为代码不对吗,我可能还没学到
package cn.tedu;

import javax.swing.ImageIcon;

public class Images {
   public static final ImageIcon[] airplane;
   public static final ImageIcon[] bigairplane;
   public static final ImageIcon bee;
   public static final ImageIcon bullet;
   public static final ImageIcon[] hero;
   public static final ImageIcon bom;
   public static final ImageIcon sky;
   public static final ImageIcon start;
   public static final ImageIcon pause;
   public static final ImageIcon gameover;
   static {
            airplane = new ImageIcon;
            airplane = new ImageIcon("images/airplane0.png");
            airplane = new ImageIcon("images/airplane1.png");
            bigairplane = new ImageIcon;
            bigairplane = new ImageIcon("images/bigairplane0.png");
            bigairplane = new ImageIcon("images/bigairplane1.png");
            bee = new ImageIcon("images/bee0.gif");
            bullet = new ImageIcon("images/bullet.png");
            hero = new ImageIcon;
            hero = new ImageIcon("images/hero0.png");
            hero = new ImageIcon("images/hero1.png");
            bom = new ImageIcon("images/bom.gif");
            sky = new ImageIcon("images/background.png");
            start = new ImageIcon("images/start.png");
            pause = new ImageIcon("iamges/pause.png");
            gameover = new ImageIcon("images/gameover.png");
   }
   public static void main(String[] args) {
            System.out.println(airplane.getImageLoadStatus());
            System.out.println(airplane.getImageLoadStatus());
            System.out.println(bigairplane.getImageLoadStatus());
            System.out.println(bigairplane.getImageLoadStatus());
            System.out.println(bee.getImageLoadStatus());
            System.out.println(bullet.getImageLoadStatus());
            System.out.println(hero.getImageLoadStatus());
            System.out.println(hero.getImageLoadStatus());
            System.out.println(bom.getImageLoadStatus());
            System.out.println(sky.getImageLoadStatus());
            System.out.println(start.getImageLoadStatus());
            System.out.println(pause.getImageLoadStatus());
            System.out.println(gameover.getImageLoadStatus());

   }
}

夜曲发表于 2021-5-23 22:36

按住CTRL点一下那个方法，看看源码就知道了啊

VioletKiss 发表于 2021-5-24 09:47

你说的是这个吗？详见JDK源码：java.awt.Mediatracker.java

/**
* Flag indicating that media is currently being loaded.
* @see       java.awt.MediaTracker#statusAll
* @see       java.awt.MediaTracker#statusID
*/
public static final int LOADING = 1;

/**
* Flag indicating that the downloading of media was aborted.
* @see       java.awt.MediaTracker#statusAll
* @see       java.awt.MediaTracker#statusID
*/
public static final int ABORTED = 2;

/**
* Flag indicating that the downloading of media encountered
* an error.
* @see       java.awt.MediaTracker#statusAll
* @see       java.awt.MediaTracker#statusID
*/
public static final int ERRORED = 4;

/**
* Flag indicating that the downloading of media was completed
* successfully.
* @see       java.awt.MediaTracker#statusAll
* @see       java.awt.MediaTracker#statusID
*/
public static final int COMPLETE = 8;

会断发表于 2021-5-25 08:26

VioletKiss 发表于 2021-5-24 09:47
你说的是这个吗？详见JDK源码：java.awt.Mediatracker.java

/**

不是..不过以解决了

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Java关于飞机大战项目的一个基础问题