lose.java

这是一个简单的单词查询系统

//package library2;

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.*;
import javax.swing.JButton;
import javax.swing.JTextField;
import javax.swing.JCheckBox;
import javax.swing.JTextArea;
import javax.swing.JToggleButton;

import java.io.*;
import java.text.*;
import java.awt.event.*;
import java.awt.*;

import java.util.*;
import javax.swing.*;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class lose extends JFrame implements ActionListener{
        JLabel jLabel1 = new JLabel();
    JButton 确定 = new JButton();
    JButton 取消 = new JButton();
    public lose() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        setTitle("英语一百");
                getContentPane().setLayout(null);
        setSize(300,150);
        jLabel1.setText("确定要删除您的信息吗?");
        jLabel1.setBounds(new Rectangle(63, 7, 159, 42));
        取消.setBounds(new Rectangle(44, 69, 77, 30));
        取消.setText("取消");取消.addActionListener(this);
        this.getContentPane().add(取消);
        this.getContentPane().add(确定);
        this.getContentPane().add(jLabel1);
        确定.setBounds(new Rectangle(147, 69, 77, 30));
        确定.setText("确定");确定.addActionListener(this);
        setVisible(true);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

    public static void main(String[] args) throws IOException
        {
            lose lose_object = new lose();
    }
            public void actionPerformed(ActionEvent e)
           {

               if(e.getActionCommand().equals("确定"))
               {
                  try{

                                setVisible(false);
                                boolean juge = false;

                        String str = custom.custom_name + " " + custom.custom_id;
                        //str1 = tokenizer.nextToken(";");
                        BufferedReader inFile = new BufferedReader
                                       (new FileReader("custom.txt"));
                                        FileWriter outData = new FileWriter("副本.txt");
                                PrintWriter outFile = new PrintWriter(outData);
                        String custom_information = inFile.readLine();
                        while(custom_information != null)
                        {
                                                if(str.equals(custom_information))
                                                {
                                                        juge = true;
                                                        break;
                                                }
                                                else
                                                {
                                                        outFile.println(custom_information);
                                                custom_information = inFile.readLine();
                                                }
                                        }
                                        if(custom_information != null)
                                        {
                                                File file_object = new File
                                                        (custom.custom_name + ".txt");
                                        file_object.delete();
                                                custom_information = inFile.readLine();
                                                while(custom_information != null)
                                                {
                                                        outFile.println(custom_information);
                                                custom_information = inFile.readLine();
                                                }
                                                outFile.close();
                                                BufferedReader inFile2 = new BufferedReader
                                                                        (new FileReader("副本.txt"));


                                                PrintWriter outFile2 = new PrintWriter
                                            (new FileWriter("custom.txt"));
                                                str = inFile2.readLine();
                                                while(str != null)
                                                {
                                                outFile2.println(str);
                                                str = inFile2.readLine();
                                                }
                                                outFile2.close();

                                                JOptionPane.showMessageDialog(null,
                                                        "您的信息已成功删除", "output", JOptionPane.PLAIN_MESSAGE);
                                        }
                                        else
                                        {
                                                JOptionPane.showMessageDialog(null,
                                                        "您还没有注册!", "output", JOptionPane.PLAIN_MESSAGE);
                                }
                            }
                            catch (FileNotFoundException er)
                                {
                                        System.exit(0);
                                }
                                catch(IOException er)
                                {
                                        System.exit(0);
                                }

                        }
                else if(e.getActionCommand().equals("取消"))
               {
                   setVisible(false);

                   }
       }


}