message.java

采用Eclipse开发的学生成绩管理系统,可以添加班级,人员,数据没有采用数据库,后台采用文本文件的形式存储,可以很方便的改为数据库.

package vi;

import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JButton;
import java.awt.*;
import java.awt.event.*;
public class Message extends JDialog implements ActionListener{

	private JPanel jContentPane = null;
	private JLabel mes = null;
	private JButton ok = null;

	/**
	 * This is the default constructor
	 */
	public Message() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setTitle("班级或学号输入出错");
		this.setBounds(new java.awt.Rectangle(320,270,300,200));
		this.setContentPane(getJContentPane());
		ok.addActionListener( this);
		this.setModal(true);
		this.setVisible(true);
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			mes = new JLabel();
			mes.setBounds(new java.awt.Rectangle(80,48,124,30));
			mes.setFont(new java.awt.Font("Dialog", java.awt.Font.BOLD, 18));
			mes.setText("没有这个学生");
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.add(mes, null);
			jContentPane.add(getOk(), null);
		}
		return jContentPane;
	}

	/**
	 * This method initializes ok	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getOk() {
		if (ok == null) {
			ok = new JButton();
			ok.setBounds(new java.awt.Rectangle(113,106,60,28));
			ok.setText("确定");
		}
		return ok;
	}
	public void actionPerformed(ActionEvent e){
		if(e.getSource() ==ok){
			this.dispose();
		}
	}

}