mainwindow2.java

管理学生信息

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.sql.*;
class MainWindow2 extends MainWindow implements ActionListener
{//管理员界面
	JButton button1,button2,button3,button4,button5,button6,button7;
	public MainWindow2(String s){
		super(s,2);
		setLayout(null);
		button1=new JButton("添加新的学生记录");
		button2=new JButton("添加课程");
		button3=new JButton("删除有关记录");
		button4=new JButton("添加/删除用户");
		button5=new JButton("显示数据库的表");	
		button6=new JButton("添加/修改任课教师");
		button7=new JButton("退出系统");
		add(button1);add(button2);add(button3);
		add(button4);add(button5);add(button6);
		add(button7);
		button1.setBounds(50,50,200,30);
		button2.setBounds(50,100,200,30);	
		button3.setBounds(50,150,200,30);
		button4.setBounds(50,200,200,30);
		button5.setBounds(50,250,200,30);
		button6.setBounds(50,300,200,30);
		button7.setBounds(50,350,200,30);
		button1.addActionListener(this);
		button2.addActionListener(this);
		button3.addActionListener(this);
		button4.addActionListener(this);
		button5.addActionListener(this);
		button6.addActionListener(this);
		button7.addActionListener(this);
		psd.addActionListener(this);
	}
	public void actionPerformed(ActionEvent e)
	{
		if (e.getSource()==button1)
		{
			new Insert();	//插入新学生
		}
		else if (e.getSource()==button2)
		{
			new Insert2();	//插入课程	 
		}
		else if (e.getSource()==button3)
		{
			new Del();		//删除学生记录		
		}
		else if (e.getSource()==button4)
		{
			new User();		//添加用户
		}
		else if (e.getSource()==button5)
		{
			new Display();	//显示表中的内容
		}
		else if (e.getSource()==button6)
		{
			new Add2();
		}
		else if (e.getSource()==psd)
		{
			new ChangePass(s);
		}
		else if (e.getSource()==button7)
		{
			System.exit(0);	//退出系统
		}
			
	}
}