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URLStudy.java
package first;
import java.awt.FileDialog;
import java.awt.Font;
import java.awt.TextArea;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class URLStudy extends JFrame {
 private static final long serialVersionUID = 1L;
 private Font font = new Font("ËÎÌå", Font.CENTER_BASELINE, 13);
 TextArea textarea = new TextArea();
 JButton button[] = new JButton[3];
 String buttonName[] = { "È·¶¨", "È¡Ïû", "±£´æÎļþ" };
 JLabel label = new JLabel("ÇëÊäÈëURLµØÖ·£º");
 JTextField urlfield = new JTextField(20);
 JPanel panel = new JPanel();
 URLStudyListener listener = new URLStudyListener(this);
 
 private String file = "";
 private FileDialog filesave;
 
 public URLStudy() {
   
  super.setTitle("×ÊÔ´ÎļþµÄÄÚÈݺÍÊôÐԲ鿴Æ÷");
  
  ImageIcon icon = new ImageIcon("195032.jpg");//ÔÚµ±Ç°Ä¿Â¼Ï¼ÓÈëÃûΪ195032.jpgµÄͼƬ¼´¿É¸Ä±ä´°¿Ú×óÉϽǵĿ§·ÈͼƬ£¬²»Ô¸Òâ¸Ä¾Í×¢ÊÍÕâÐÐÓëÏÂÒ»ÐÐ
  setIconImage(icon.getImage());
  
  textarea.setFont(font);
  label.setFont(font);
  urlfield.setFont(font);
  
  panel.add(label);
  panel.add(urlfield);
  for (int i = 0; i < buttonName.length; i++) {
   button[i] = new JButton(buttonName[i]);
   button[i].addActionListener(listener);
   button[i].setFont(font);
   panel.add(button[i]);
  }
  super.setDefaultCloseOperation(EXIT_ON_CLOSE);
 &