帮我举个java图形界面的例子

swing
       import java.awt.Color;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenuBar;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
public class NobelGui implements ActionListener {
private JFrame jFrame;
private JPanel jContentPane;
private JMenuBar jJMenuBar;
private JLabel lblId = null;
private JTextField tfId = null;
private JLabel lblAuthor = null;
private JTextField tfAuthor = null;
private JLabel lblsubject = null;
private JComboBox cbsubject = null;
private JLabel lblworks = null;
private JTextField tfworks = null;
private JLabel lbltime = null;
private JTextField tftime = null;
private JLabel lblcountry = null;
private JTextField tfcountry = null;
private JButton btnadd = null;
private JButton btndel = null;
private JButton btnmodify = null;
private JButton btnquery = null;
private JTextField getTfId() {
  if (tfId == null) {
   tfId = new JTextField();
   tfId.setBounds(new Rectangle(115, 36, 197, 25));
  }
  return tfId;
}
private JTextField getTfAuthor() {
  if (tfAuthor == null) {
   tfAuthor = new JTextField();
   tfAuthor.setBounds(new Rectangle(115, 75, 197, 25));
  }
  return tfAuthor;
}
private JComboBox getCbsubject() {
  if (cbsubject == null) {
   String[] str = { "和平奖", "物理奖", "文学奖", "化学奖", "生物奖", "经济奖" };
   cbsubject = new JComboBox(str);
   cbsubject.setBounds(new Rectangle(115, 115, 197, 25));
  }
  return cbsubject;
}
private JTextField getTfworks() {
  if (tfworks == null) {
   tfworks = new JTextField();
   tfworks.setBounds(new Rectangle(115, 151, 197, 25));
   tfworks.setText("");
  }
  return tfworks;
}
private JTextField getTftime() {
  if (tftime == null) {
   tftime = new JTextField();
   tftime.setBounds(new Rectangle(115, 190, 197, 25));
  }
  return tftime;
}
private JTextField getTfcountry() {
  if (tfcountry == null) {
   tfcountry = new JTextField();
   tfcountry.setBounds(new Rectangle(115, 227, 197, 25));
  }
  return tfcountry;
}
private JButton getBtnadd() {
  if (btnadd == null) {
   btnadd = new JButton();
   btnadd.setBounds(new Rectangle(36, 282, 64, 28));
   btnadd.addActionListener(this);
   btnadd.setText("添加");
  }
  return btnadd;
}
private JButton getBtndel() {
  if (btndel == null) {
   btndel = new JButton();
   btndel.setBounds(new Rectangle(108, 282, 64, 28));
   btndel.addActionListener(this);
   btndel.setText("删除");
  }
  return btndel;
}
private JButton getBtnmodify() {
  if (btnmodify == null) {
   btnmodify = new JButton();
   btnmodify.setBounds(new Rectangle(180, 282, 64, 28));
   btnmodify.addActionListener(this);
   btnmodify.setText("修改");
  }
  return btnmodify;
}
private JButton getBtnquery() {
  if (btnquery == null) {
   btnquery = new JButton();
   btnquery.setBounds(new Rectangle(254, 282, 64, 28));
   btnquery.addActionListener(this);
   btnquery.setText("查找");
  }
  return btnquery;
}
public static void main(String[] args) {
  // TODO 自动生成方法存根
  SwingUtilities.invokeLater(new Runnable() {
   public void run() {
    NobelGui application = new NobelGui();
    application.getJFrame().setVisible(true);
   }
  });
}
private JFrame getJFrame() {
  if (jFrame == null) {
   jFrame = new JFrame();
   jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   jFrame.setResizable(false);
   jFrame.setLocation(new Point(500, 265));
   jFrame.setJMenuBar(getJJMenuBar());
   jFrame.setSize(353, 375);
   jFrame.setContentPane(getJContentPane());
   jFrame.setTitle("诺贝尔信息管理");
  }
  return jFrame;
}
private JPanel getJContentPane() {
  if (jContentPane == null) {
   lblcountry = new JLabel();
   lblcountry.setBounds(new Rectangle(37, 228, 72, 25));
   lblcountry.setText("获奖人国家");
   lbltime = new JLabel();
   lbltime.setBounds(new Rectangle(37, 193, 61, 25));
   lbltime.setText("获奖时间");
   lblworks = new JLabel();
   lblworks.setBounds(new Rectangle(37, 152, 61, 25));
   lblworks.setText("获奖作品");
   lblsubject = new JLabel();
   lblsubject.setBounds(new Rectangle(37, 114, 61, 25));
   lblsubject.setText("获奖科目");
   lblAuthor = new JLabel();
   lblAuthor.setText("获奖人");
   lblAuthor.setBounds(new Rectangle(37, 75, 61, 25));
   lblId = new JLabel();
   lblId.setBounds(new Rectangle(37, 36, 61, 25));
   lblId.setPreferredSize(new Dimension(52, 20));
   lblId.setText("证书编号");
   jContentPane = new JPanel();
   jContentPane.setLayout(null);
   jContentPane.setBackground(Color.lightGray);
   jContentPane.add(lblId, null);
   jContentPane.add(getTfId(), null);
   jContentPane.add(lblAuthor, null);
   jContentPane.add(getTfAuthor(), null);
   jContentPane.add(lblsubject, null);
   jContentPane.add(getCbsubject(), null);
   jContentPane.add(lblworks, null);
   jContentPane.add(getTfworks(), null);
   jContentPane.add(lbltime, null);
   jContentPane.add(getTftime(), null);
   jContentPane.add(lblcountry, null);
   jContentPane.add(getTfcountry(), null);
   jContentPane.add(getBtnadd(), null);
   jContentPane.add(getBtndel(), null);
   jContentPane.add(getBtnmodify(), null);
   jContentPane.add(getBtnquery(), null);
  }
  return jContentPane;
}
private JMenuBar getJJMenuBar() {
  if (jJMenuBar == null) {
   jJMenuBar = new JMenuBar();
  }
  return jJMenuBar;
}
public void actionPerformed(ActionEvent e) {
  if (e.getActionCommand().equals("添加")) {
   if (tfId.getText().trim().equals("")
     || tftime.getText().trim().equals("")
     || tfAuthor.getText().trim().equals("")
     || tfworks.getText().trim().equals("")
     || tfcountry.getText().trim().equals("")) {
    JOptionPane.showMessageDialog(jFrame, "请添写相应的信息");
   } else {
    Nobel no = new Nobel();
    no.setId(Integer.parseInt(tfId.getText()));
    no.setAuthor(tfAuthor.getText());
    no.setSubject((String)cbsubject.getSelectedItem());
    no.setWorks(tfworks.getText());
    no.setCountry(tfcountry.getText());
    no.setTime(tftime.getText());
    boolean flag = NobelOperate.add(no);
    if(flag){
     JOptionPane.showMessageDialog(jFrame, "添加成功");
    } else {
     JOptionPane.showMessageDialog(jFrame, "添加失败");
    }
   }
  } else if (e.getActionCommand().equals("删除")) {
   if(tfId.getText().trim().equals("")){
    JOptionPane.showMessageDialog(jFrame, "请选择一条记录");
   } else {
    int id = Integer.parseInt(tfId.getText());
    boolean flag = NobelOperate.del(id);
    if(flag) {
     JOptionPane.showMessageDialog(jFrame, "删除成功");
     tfId.setText("");
     tfAuthor.setText("");
     tfcountry.setText("");
     tftime.setText("");
     tfworks.setText("");
    } else {
     JOptionPane.showMessageDialog(jFrame, "删除失败");
    }
   }
  } else if (e.getActionCommand().equals("修改")) {
   if (tfId.getText().trim().equals("")
     || tftime.getText().trim().equals("")
     || tfAuthor.getText().trim().equals("")
     || tfworks.getText().trim().equals("")
     || tfcountry.getText().trim().equals("")) {
    JOptionPane.showMessageDialog(jFrame, "请添写相应的信息");
   } else {
    Nobel no = new Nobel();
    no.setId(Integer.parseInt(tfId.getText()));
    no.setAuthor(tfAuthor.getText());
    no.setSubject((String)cbsubject.getSelectedItem());
    no.setWorks(tfworks.getText());
    no.setCountry(tfcountry.getText());
    no.setTime(tftime.getText());
    boolean flag = NobelOperate.modify(no);
    if(flag) {
     JOptionPane.showMessageDialog(jFrame, "修改成功");
    } else {
     JOptionPane.showMessageDialog(jFrame, "修改失败");
    }
   }
  } else if (e.getActionCommand().equals("查找")) {
   if(tfId.getText().trim().equals("")){
    JOptionPane.showMessageDialog(jFrame, "请选择一条记录");
   } else {
    int id = Integer.parseInt(tfId.getText());
    Nobel no = NobelOperate.query(id);
   // tfId.setText(String.valueOf(no.getId()));
    tfAuthor.setText(no.getAuthor());
    tftime.setText(no.getTime());
    tfworks.setText(no.getWorks());
    tfcountry.setText(no.getCountry());
    cbsubject.setSelectedItem(no.getSubject());
   }
  }
}
}

我一般用的是swing包，但网上有eclipse组织开发的swt的，听说比java自带的效率高多了，楼主可以试试swt包

其实不是太难，一本swing的书了解java的swing控件是什么就可以了，其实就是java基础，不过监听器得好好看看。看多了就好了

这种问题最好还是不要拿来问了，对于不了解的东西还是应该一步一步的学习，给你个例子是不能使你掌握swing的！

推荐eclipse，很好用，动手试一试。

package Menu;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class MyMenu extends JFrame  implements ActionListener
{
    JMenuBar mb = new JMenuBar();
    JMenu    file = new JMenu("file");
    JMenu    edit = new JMenu("edit");
    JMenuItem    open = new JMenuItem("open");
    JMenuItem    close = new JMenuItem("close");
    JMenuItem    exit = new JMenuItem("Exit");
    JMenuItem    copy = new JMenuItem("copyword");
    JMenuItem    paste = new JMenuItem("Paste");

    public MyMenu(){

        super("My Own MenuBar by swing JMenuBar");
        setJMenuBar(mb);
        mb.add(file);
        mb.add(edit);
        file.add(open);
        file.add(close);
                exit.addActionListener(this);
        file.add(exit);
        edit.add(copy);
        edit.add(paste);

        setSize(300,400);
        setVisible(true);
    }

    public static void main(String args[]){

        MyMenu M=new MyMenu();
    }

        public void actionPerformed(ActionEvent e){

        if(e.getSource()==exit)
            System.exit(0);

    }
}

package Menu;
import java.awt.*;
import java.awt.event.*;
public class TestMenuBar {
MenuBar mb=new MenuBar();
Menu filem=new Menu("文件");
Menu editm=new Menu("编辑");
Menu geshim=new Menu("格式");
Menu chakanm=new Menu("查看");
Menu helpm=new Menu("帮助");
MenuItem filem1=new MenuItem("新建");
MenuItem filem2=new MenuItem("打开");
MenuItem filem3=new MenuItem("保存");
MenuItem filem4=new MenuItem("另存为");
    MenuItem filem5=new MenuItem("页面设置");
MenuItem filem6=new MenuItem("打印");
MenuItem editm1=new MenuItem("撤消");
MenuItem editm2=new MenuItem("剪切");
MenuItem editm3=new MenuItem("复制");
MenuItem editm4=new MenuItem("粘贴");
MenuItem editm5=new MenuItem("删除");
MenuItem editm6=new MenuItem("查找");
MenuItem editm7=new MenuItem("查找下一个");
MenuItem editm8=new MenuItem("替换");
MenuItem editm9=new MenuItem("转到");
MenuItem editm10=new MenuItem("全选");
MenuItem editm11=new MenuItem("时间/日期");
MenuItem geshim2=new MenuItem("字体");
CheckboxMenuItem geshim1=new CheckboxMenuItem("自动换行",true);
CheckboxMenuItem ch=new CheckboxMenuItem("退出",true);
MenuItem chakanm1=new MenuItem("状态栏");
MenuItem helpm1=new MenuItem("帮助主题");
MenuItem helpm2=new MenuItem("关于记事本");
TestMenuBar()
{
   Frame f=new Frame("简单的菜单");
   f.setLayout(new FlowLayout());
mb.add(filem);
mb.add(editm);
mb.add(geshim);
mb.add(chakanm);
mb.add(helpm);
filem.add(filem1);
filem.add(filem2);
filem.add(filem3);
filem.add(filem4);
filem.addSeparator();
filem.add(filem5);
      filem.add(filem6);
      filem.addSeparator();
   filem.add(ch);
   editm.add(editm1);
   editm.addSeparator();
   editm.add(editm2);
   editm.add(editm3);
   editm.add(editm4);
   editm.add(editm5);
   editm.addSeparator();
   editm.add(editm6);
   editm.add(editm7);
   editm.add(editm8);
   editm.add(editm9);
   editm.addSeparator();
   editm.add(editm10);
   editm.add(editm11);
   geshim.add(geshim1);
   geshim.add(geshim2);
   chakanm.add(chakanm1);
   helpm.add(helpm1);
   helpm.addSeparator();
   helpm.add(helpm2);
   f.setMenuBar(mb);
   f.setSize(300,100);
   f.setVisible(true);
   f.addWindowListener(new WindowAdapter(){
    public void windowClosing(WindowEvent e)
    {
    System.exit(0);
    }
   }
);
}
public static void main(String[]args)
{
new TestMenuBar();
}
}
期待高手

调试易

帮我举个java图形界面的例子

解决方案 »