package com.cxlife.snake;/** *功能描述：演示如何控制蛇體的運動。 * Author: 張樂! * */import java.awt.*;import java.awt.event.*;import java.applet.*;import javax.swing.*;public class SnakeGame extends Applet {  private boolean isStandalone = false;  private JPanel jPanel1 = new SnakePanel();  private BorderLayout borderLayout1 = new BorderLayout();  //Get a parameter value  public String getParameter(String key, String def) {    return isStandalone ? System.getProperty(key, def) :      (getParameter(key) != null ? getParameter(key) : def);  }  //Construct the applet  public SnakeGame() {  }  //Initialize the applet  public void init() {    try {      jbInit();    }    catch(Exception e) {      e.printStackTrace();    }  }  //Component initialization  private void jbInit() throws Exception {    this.setLayout(borderLayout1);    jPanel1.addMouseListener(new java.awt.event.MouseAdapter() {      public void mouseClicked(MouseEvent e) {        jPanel1_mouseClicked(e);      }    });    this.addMouseListener(new java.awt.event.MouseAdapter() {      public void mouseClicked(MouseEvent e) {        this_mouseClicked(e);      }    });    this.addKeyListener(new java.awt.event.KeyAdapter() {      public void keyPressed(KeyEvent e) {        this_keyPressed(e);      }      public void keyReleased(KeyEvent e) {        this_keyReleased(e);      }    });    this.add(jPanel1, BorderLayout.CENTER);  }  //Get Applet information  public String getAppletInfo() {    return "Applet Information";  }  //Get parameter info  public String[][] getParameterInfo() {    return null;  }  void jPanel1_mouseClicked(MouseEvent e) {     jPanel1.requestFocus();  }  void this_mouseClicked(MouseEvent e) {  }  void this_keyPressed(KeyEvent e) {    this.dispatchEvent(e);  }  void this_keyReleased(KeyEvent e) {this.dispatchEvent(e);  }}