Java课堂派作业12

package 作业12;

public class Main {
public static void main(String[] args) {
new Frame();
}
}
package 作业12;

import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

class Frame extends JFrame implements ActionListener {

StudentGroup studentgroup = new StudentGroup();
final JTextArea textArea = new JTextArea("序号      学号            姓名           成绩\n", 10, 42);
final JTextField IDTextField = new JTextField();
final JTextField nameTextField = new JTextField();
final JTextField gradeTextField = new JTextField();

Frame() {

Font f = new Font("黑体", Font.BOLD, 12);
/************************ 窗口 *********************/
setTitle("学生信息管理系统");
setVisible(true);
setLayout(null);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setBounds(100, 100, 520, 350);

/************************ 显示信息面板 *********************/
final JLabel title = new JLabel("学生信息");
title.setFont(f);
title.setBounds(115, 10, 60, 15);
add(title);

final JScrollPane jscrollPane = new JScrollPane(textArea);
jscrollPane.setBounds(20, 30, 240, 250);
jscrollPane.setHorizontalScrollBarPolicy(31);
// jscrollPane.setWheelScrollingEnabled(true);
add(jscrollPane);

/************************ 输入信息面板 *********************/
final JPanel inputPanel = new JPanel(new GridLayout(3, 2, 10, 10));
final JLabel numberTitle = new JLabel("学号:", 4);
final JLabel nameTitle = new JLabel("姓名:", 4);
final JLabel gradeTitle = new JLabel("成绩:", 4);

inputPanel.add(numberTitle);