夜光带你走进 Java基础编程实战（十八 Applet编程）

夜光序言：

有一种单身，叫只为等待某人~~

正文：

夜光带你走进 Java基础编程实战（十八 Applet编程）

package com.Genius.Applet;

import java.applet.Applet;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;

/*
夜光：
编写一个简单的滚动字幕的applet程序*/

public class Demo05 extends Applet implements Runnable{

   Thread t;
   boolean stop = false;
   String s = "Genius: Welcome to Java Applet~";
   int p = 88;
   public void init(){
       this.setBackground(Color.cyan);
       this.setForeground(Color.yellow);
       this.setFont(new Font("TimeRoman",Font.BOLD,18));
   }

   public void start()
   {
       t = new Thread(this);
       t.start();
   }

   public void run(){
       while(!stop){
           p-=1;
           if(p<-69){
               p = 70;
           }
           repaint();
           try{
               Thread.sleep(111);
           }catch(InterruptedException e){
               System.out.println();
           }
       }
   }


   public void stop(){
       stop = true;
       t = null;
   }


   public void paint(Graphics g)
   {
       g.setColor(Color.black);
       g.drawString(s, p, 50);
   }


}
夜光带你走进 Java基础编程实战（十八 Applet编程）

package com.Genius.Applet;

import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;

import javax.swing.JTextArea;

/*
夜光：我们编写一个简单的applet程序
读取一个文本文件内容，并将其显示出来~~*/

public class Demo06 extends Applet{

   JTextArea tf = new JTextArea();
   StringBuffer c = new StringBuffer();
   public void init()
   {
       this.setLayout(new GridLayout(1, 1));
       tf.setLineWrap(true);
       this.add(tf,BorderLayout.CENTER);

       try{
           BufferedReader br =
                   new BufferedReader(new InputStreamReader(
new FileInputStream("E:/Genius/parent/test/Demo03.txt"),"GB2312"));

           String s;
           while((s = br.readLine()) != null){
               System.out.println("---------");
               c.append(s);
           }
           }catch(FileNotFoundException e){
               System.out.println();
           }catch(IOException e){
               System.out.println();
           }

       }



   public void paint(Graphics g)
   {
       System.out.println(c);
       tf.setText(c.toString());
   }




}