student_system.java

一个关于图书馆管理系统的课程设计

//管理员进入管理界面
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
public class student_system extends JFrame implements ActionListener
{
	JButton b1;
	JButton b2;
	
	JButton b4;
	public  student_system()
	{
	super("student_system");
	
	b1=new JButton("系统管理");
	b2=new JButton("管理学生");
	b4=new JButton("    退出    ");
	b1.addActionListener(this);
	b2.addActionListener(this);
	b4.addActionListener(this);

	JPanel pane=new JPanel();//定义主面板
	//pane.setLayout(new FlowLayout());
	pane.setLayout(null);
	b1.setBounds(200,100,140,50);
	b2.setBounds(200,200,140,50);

	b4.setBounds(200,300,140,50);
	pane.add(b1); 
	pane.add(b2); 

	pane.add(b4);
	b4.addActionListener(this);
	this.add(pane);
	}
	public void actionPerformed(ActionEvent e)
	{
		if (e.getSource()==b1 ){
			dispose();
			system_manage t1=new system_manage();
			t1.setVisible(true);
			t1.setLocation(300,300);
			t1.setSize(600,600); 

		}
		else if(e.getSource() ==b2){
			dispose();
			student_manage1 n=new student_manage1();
			n.setVisible(true);
			n.setLocation(300,300);
			n.setSize(350,500);
		}
	
		else {
			dispose();
		
		}
		 
	}	 
	public static void main(String args[])
	{
		student_system x1=new student_system();
		x1.setVisible(true);
		x1.setLocation(300,300);
		x1.setSize(650,600);
	}
}