datawindow.java

这是一个用java编写的发音电子词典

/*
 * DataWindow.java
 *
 * Created on 2007年12月16日, 下午4:12
 *
 * To change this template, choose Tools | Options and locate the template under
 * the Source Creation and Management node. Right-click the template and choose
 * Open. You can then make changes to the template in the Source Editor.
 */

package 电子词典;
import java.awt.*;
import java.net.*;
import java.sql.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
/**
 *
 * @author baili
 */
public class DataWindow extends JFrame implements ActionListener{
    
    /** Creates a new instance of DataWindow */
    JDesktopPane desktop;
    FileDialog filedialog_save;
    JTextField englishtext;
    JTextArea chinesetext;
    JButton b1,b2,b3,b4,b5;
    JLabel label;
    JMenuBar mbar;
    JMenu mfile,medit,mhelp;
    JMenuItem edic,cdic,back_data,quit,addedit,modedit,deledit,hhelp,about;
    public DataWindow() {
        super("英汉小词典");       
        mbar=new JMenuBar();
        setJMenuBar(mbar);
        mfile=new JMenu("文件");
        medit=new JMenu("编辑");
        mhelp=new JMenu("帮助");
        mbar.add(mfile);
        mbar.add(medit);
        mbar.add(mhelp);
        edic=new JMenuItem("英汉词典");
        cdic=new JMenuItem("汉英词典"); 
        back_data=new JMenuItem("备份词库");
        quit=new JMenuItem("退出");
        addedit=new JMenuItem("添加词汇");
        modedit=new JMenuItem("修改词汇");
        deledit=new JMenuItem("删除词汇");
        hhelp=new JMenuItem("帮助");
        about=new JMenuItem("关于...");
        
        mfile.add(edic);
        mfile.add(cdic);
        mfile.add(back_data);
        mfile.addSeparator();
        mfile.add(quit);
        
        medit.add(addedit);
        medit.add(modedit); 
        medit.add(deledit);
        
        mhelp.add(hhelp);
        mhelp.add(about);
        
        edic.addActionListener(this);
        cdic.addActionListener(this);
        quit.addActionListener(this);
        addedit.addActionListener(this);
        modedit.addActionListener(this);
        deledit.addActionListener(this);
        hhelp.addActionListener(this);
        about.addActionListener(this);
        
        englishtext=new JTextField(16);
        englishtext.setFont(new Font("", 15,15));
        chinesetext=new JTextArea(8,15);
        chinesetext.setEditable(false);
        chinesetext.setFont(new Font("",25,25));
        
        b1=new JButton("查询");
        b2=new JButton("添加");
        b3=new JButton("修改");
        b4=new JButton("删除");
        b5=new JButton("发音");
        
        JPanel p1=new JPanel();
        JPanel p2=new JPanel();
        
        label=new JLabel("输入要查询的英语单词:");
        label.setFont(new Font("隶书",20,20));
        
        p1.add(label);
        p1.add(englishtext);
        p1.add(b1);
        p1.add(b5);
        
        p2.add(b2);
        p2.add(b3);
        p2.add(b4);
        Container ctnr=getContentPane();
        ctnr.add(p1,"North");
        ctnr.add(p2,"South");
        ctnr.add(new JScrollPane(chinesetext),"Center");
        
        b1.addActionListener(this);
        b2.addActionListener(this);
        b3.addActionListener(this);
        b4.addActionListener(this);
        b5.addActionListener(this);
        englishtext.addActionListener(this);
        back_data.addActionListener(this);
        
        filedialog_save=new FileDialog(this,"保存文件对话框", FileDialog.SAVE);
        filedialog_save.addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent e)
            {
                filedialog_save.setVisible(false);
            }
        });
        addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent e)
            {
               System.exit(0);
            }
        });      
        this.setBounds(250,250, 600,400);
        this.setVisible(true);
    }
    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource()==b1||e.getSource()==englishtext)
        {
            chinesetext.setText("");
            if(englishtext.getText().equals(""))
            {
                JOptionPane.showMessageDialog(this,"查询对象不能为空!","警告",JOptionPane.WARNING_MESSAGE);
            }
            else
            {
                try
                {
                   Listwords();
                }
                catch(SQLException ee){}                
            }
        }
        else if(e.getSource()==b2||e.getSource()==addedit) 
        {
            new AddWin();
        }
        else if(e.getSource()==b3||e.getSource()==modedit)
        {
           new ModifyWin();
        }
        else if(e.getSource()==b4||e.getSource()==deledit)
        {
            new DelWin();
        }
        else if(e.getSource()==b5)
        {
            if(englishtext.getText()!=null)
            {
                try
                {
                    InputStream is=getClass().getResource("sound//"+englishtext.getText().trim()+".wav").openStream();
                    //AudioPlayer.player.start(is);
                }
                catch(IOException e1){}
            }
        }
        else if(e.getSource()==edic)
        {
            label.setText("输入要查询的英语单词:");
            b1.setVisible(true);
            b5.setVisible(true);
        }
        else if(e.getSource()==cdic)
         {
            label.setText("输入要查询的汉语意思:");
            b1.setVisible(true);
            b5.setVisible(true);
        }
        else if(e.getSource()==back_data)
        {
            File fromfile=new File("F:/java/JavaApplication1/english.mdb");
            FileInputStream fis=null;
            filedialog_save.setVisible(true);
            try
            {
                fis=new FileInputStream(fromfile);
                int bytesTead;
                byte[] buf=new byte[4*1024];
                File tofile=new File(filedialog_save.getDirectory(), filedialog_save.getFile());
                FileOutputStream fos=new FileOutputStream(tofile);
                while((bytesTead=fis.read(buf))!=-1)
                    fos.write(buf, 0, bytesTead);
                fos.flush();
                fos.close();
                fis.close();
            }
            catch(IOException e2){}
        }
        else if(e.getSource()==quit)
            System.exit(0);
        else if(e.getSource()==about)
        {
            final String AboutMsg="An Electrical Dictionary 1.0\n\n"+"An application written to show off the function of dictionary.\n\n"+
                    "Copyright(c) 2007.";
            JOptionPane.showMessageDialog(this,AboutMsg);
        }
        else if(e.getSource()==hhelp)
        {
            JFrame help=new HelpFrame();
            help.setVisible(true);
        }
    }
    public void Listwords()throws SQLException
    {
        String cname,ename;
         try
         {
             Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
         }
         catch(ClassNotFoundException e){}
        Connection ExlCon=DriverManager.getConnection("jdbc:odbc:english;","","");
        Statement ExlStmt=ExlCon.createStatement();        
        if(label.getText().equals("输入要查询的英语单词:"))
        {
            ResultSet rs=ExlStmt.executeQuery("SELECT *FROM 表1");
            while(rs.next())
            {
                ename=rs.getString("单词");
                cname=rs.getString("解释");
                if(ename.equals(englishtext.getText()))
                    chinesetext.append(cname+"\n");
            }
            ExlCon.close();
            if(chinesetext.getText().equals(""))
                 JOptionPane.showMessageDialog(this,"查无此单词!","警告",JOptionPane.WARNING_MESSAGE);
        }
        else if(label.getText().equals("输入要查询的汉语意思:"))
        {
            ResultSet rs=ExlStmt.executeQuery("SELECT *FROM 表1 WHERE 解释 LIKE '%"+englishtext.getText()+"%'");
            while(rs.next())
            {
                ename=rs.getString("单词");
                cname=rs.getString("解释");
                chinesetext.append(ename+"\n");
            }
            ExlCon.close();
            if(chinesetext.getText().equals(""))
                 JOptionPane.showMessageDialog(this,"查无此单词!","警告",JOptionPane.WARNING_MESSAGE);
        }
    }
    public static  void main(String[] args)
    {
        new DataWindow();
    }
}