list.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 file.*;
import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JRadioButton;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class List extends JFrame implements ItemListener,ActionListener{
    private int cno=1;
	private JPanel jContentPane = null;
	private JLabel mes = null;
	private JRadioButton c1 = null;
	private JRadioButton c2 = null;
	private JRadioButton c3 = null;
	private JRadioButton c4 = null;
	private ButtonGroup bg;
	private JButton ok = null;
	private JButton back = null;
	/**
	 * This is the default constructor
	 */
	public List() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setContentPane(getJContentPane());
		this.setTitle("选择班级");
		this.setBounds(new java.awt.Rectangle(320,270,300,200));
		this.setVisible(true);
		bg=new ButtonGroup();
		c1.addItemListener( this);
		c2.addItemListener( this);
		c3.addItemListener( this);
		c4.addItemListener( this);
		bg.add ( c1);
		bg.add(c2);
		bg.add( c3);
		bg.add(c4);
		ok.addActionListener( this);
		back.addActionListener( this);
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			mes = new JLabel();
			mes.setBounds(new java.awt.Rectangle(92,33,92,20));
			mes.setFont(new java.awt.Font("Dialog", java.awt.Font.BOLD, 14));
			mes.setText("  选  择  班  级");
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.add(mes, null);
			jContentPane.add(getC1(), null);
			jContentPane.add(getC2(), null);
			jContentPane.add(getC3(), null);
			jContentPane.add(getC4(), null);
			jContentPane.add(getOk(), null);
			jContentPane.add(getBack(), null);
		}
		return jContentPane;
	}

	/**
	 * This method initializes c1	
	 * 	
	 * @return javax.swing.JRadioButton	
	 */
	private JRadioButton getC1() {
		if (c1 == null) {
			c1 = new JRadioButton();
			c1.setBounds(new java.awt.Rectangle(20,100,55,21));
			c1.setSelected(true);
			c1.setText("1班");
		}
		return c1;
	}

	/**
	 * This method initializes c2	
	 * 	
	 * @return javax.swing.JRadioButton	
	 */
	private JRadioButton getC2() {
		if (c2 == null) {
			c2 = new JRadioButton();
			c2.setBounds(new java.awt.Rectangle(88,100,48,21));
			c2.setText("2班");
		}
		return c2;
	}

	/**
	 * This method initializes c3	
	 * 	
	 * @return javax.swing.JRadioButton	
	 */
	private JRadioButton getC3() {
		if (c3 == null) {
			c3 = new JRadioButton();
			c3.setBounds(new java.awt.Rectangle(156,100,48,21));
			c3.setText("3班");
		}
		return c3;
	}

	/**
	 * This method initializes c4	
	 * 	
	 * @return javax.swing.JRadioButton	
	 */
	private JRadioButton getC4() {
		if (c4 == null) {
			c4 = new JRadioButton();
			c4.setBounds(new java.awt.Rectangle(224,100,48,21));
			c4.setText("4班");
		}
		return c4;
	}
	public void itemStateChanged(ItemEvent e){
		if(e.getItemSelectable() ==c1)
	        cno=1;
		if(e.getItemSelectable() ==c2)
	        cno=2;
		if(e.getItemSelectable() ==c3)
	        cno=3;
		if(e.getItemSelectable() ==c4)
	        cno=4;
	}
	public void actionPerformed(ActionEvent e){
        if(e.getSource() ==ok){
            ListOfClass loc=new ListOfClass(cno);}
        if(e.getSource() ==back){
        	this.dispose() ;
        	Main main=new Main();
        }
         
	} 

	/**
	 * This method initializes ok	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getOk() {
		if (ok == null) {
			ok = new JButton();
			ok.setBounds(new java.awt.Rectangle(57,130,60,28));
			ok.setText("显示");
		}
		return ok;
	}

	/**
	 * This method initializes back	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getBack() {
		if (back == null) {
			back = new JButton();
			back.setBounds(new java.awt.Rectangle(174,130,60,28));
			back.setText("返回");
		}
		return back;
	}
	

}  //  @jve:decl-index=0:visual-constraint="218,8"