java实现 swing模仿金山打字 案例源码

java实现 swing模仿金山打字 案例源码

代码：

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<font size="3">import Java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Image; import java.awt.Toolkit; import java.io.File; import java.io.IOException; import java.util.Random; import javax.imageio.ImageIO; public class Main {         public char c;   //苹果上的字母         public int x = 60, y = 0; // 敌人出现的坐标         public final int XSPEED=5,YSPEED=2;  //苹果xy方向移动的速度         public int center;    //初始中心值         public boolean turnleft = true;  //是否向左移动         public boolean alive = true;    //是否活着         public Random ran = new Random();   //随机数的种子                   public TypeFrame tf=null;    //所属的框架         public Image appleimg = null;   //苹果的图片         public Image bg = Toolkit.getDefaultToolkit().getImage("bg.jpg"); //背景图片           public Main(TypeFrame tf) {                 this.tf=tf;                 x = randomlocation();  //得到随机合格的随机x坐标                 y=ran.nextInt(20);  //得到随机的y坐标                 if(ran.nextInt(2)==0){                         turnleft=true;                 }else                 {                         turnleft=false;                 }                 center = x;   //设置初始中心值为x                 c=randomchar();  //得到随机的字母值                 try {                         appleimg = ImageIO.read(new File("apple.gif"));  //苹果的图片                 } catch (IOException e) {                         // TODO Auto-generated catch block                         e.printStackTrace();                 }         }           public void draw(Graphics g) {                 Color color = g.getColor();  //得到上下文颜色                 g.setColor(Color.red);   //设置上下文颜色                 g.setFont(new Font("Dialog", 4, 40));   //设置字体                                     if (alive) {                         g.drawImage(appleimg, x, y, null);    //绘制苹果图片                         g.drawString(c+ "", x + 20, y + 60);   //绘制苹果字母                 }                 g.setColor(color);  //将上下文颜色设置回去         }                   public int randomlocation(){  //产生苹果的随机横坐标的函数                 int x1=ran.nextInt(TypeFrame.GAME_WIDTH - 40);                 for (int i = 0; i < tf.apples.size(); i++) {                         if(Math.abs(x1-tf.apples.get(i).x)<60){                                 return randomlocation();                         }                 }                 return x1;         }                   public char randomchar(){   //产生不与存在的苹果字母相同的字母的方法                 char ch=(char)('a'+ran.nextInt(26));                 for (int i = 0; i < tf.apples.size(); i++) {                         if(ch==tf.apples.get(i).c)                                 return randomchar();                 }                 return ch;         } }                                       </font>