menu3.java

学生信息管理系统,能显示登录,管理,查询,增添删除等功能

package com;

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;
import com.yanjun.*;
public class Menu3 extends JFrame {
	String [] manage={"新建用户","删除用户","修改密码"};
	JMenuBar mb;
	JMenuItem relation=new JMenuItem("关于");
	JMenuItem user=new JMenuItem("用户手册");
    JMenu sys=new JMenu("系统管理"),
		  result=new JMenu("信息操作"),
		  help=new JMenu("帮助");
    JMenuItem exit=new JMenuItem("退出");
    JMenuItem results=new JMenuItem("修改信息");
    ActionListener a0 = new ActionListener() 
    {
      public void actionPerformed(ActionEvent e)
	  {
    	  new Regedit();
	  }
    };
    ActionListener a1 = new ActionListener() 
    {
      public void actionPerformed(ActionEvent e)
	  {
    	  new delete();
	  }
    };
    ActionListener a2 = new ActionListener() 
    {
      public void actionPerformed(ActionEvent e)
	  {
    	  new change();
	  }
    };

    public Menu3(String name,String type)
    {
    super ("管理员系统");
    mb=new JMenuBar();
    for(int i=0;i<manage.length;i++)
    {
            JMenuItem mi = new JMenuItem(manage[i]);
            mi.setActionCommand(manage[i]);
            sys.add(mi);
            if(i==0)mi.addActionListener(a0);
            if(i==1)mi.addActionListener(a1);
            if(i==2)mi.addActionListener(a2);
            sys.addSeparator();
    }
    sys.add(exit);
    exit.addActionListener(
    		  new ActionListener() {
    		  public void actionPerformed(ActionEvent event) {dispose();}
    		  }
    		  );
    result.add(results);
    help.add(relation);
    help.add(user);
    mb.add(sys);
    mb.add(result);
    mb.add(help);
    Container cp=getContentPane();
    cp.add(BorderLayout.NORTH,mb);
    setSize(500,400);
    show();
    }
}