add.java

来自「Java流的程序源码」· Java 代码 · 共 104 行

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;

class Add extends JFrame {
	
	private JLabel lab1, lab2, lab3, lab4, lab5;
	private JTextField num, name, sex, age, remark;
	private JButton save, next, rebound;
	private Container container;
	static int count = 0;

	public Add() throws Exception {
		super("学生信息录入");
		final File file = new File("E:\\info.txt");
		final FileOutputStream bos = new FileOutputStream(file);
		final ObjectOutputStream oos = new ObjectOutputStream(bos);
		
		container = getContentPane();
        container.setLayout(new BorderLayout());
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		JPanel jp = new JPanel();
		JPanel jp1 = new JPanel();
		JPanel jp2 = new JPanel();
		
		jp.setLayout(new GridLayout(5,1));
		jp1.setLayout(new GridLayout(5,1));
		jp2.setLayout(new FlowLayout());
		
		container.add("West",jp);
		container.add("Center",jp1);
		container.add("South",jp2);
		
		lab1 = new JLabel("学号:");
		lab2 = new JLabel("姓名:");
		lab3 = new JLabel("性别:");
		lab4 = new JLabel("年龄:");
		lab5 = new JLabel("备注:");
		
		num = new JTextField(18);
		name = new JTextField(12);
		sex = new JTextField(2);
		age = new JTextField(3);
		remark = new JTextField(30);
		save = new JButton("保存");
		next = new JButton("下一个");
		rebound = new JButton("返回");

		save.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {

			
				try {

				
					oos.writeObject(new Student(num.getText(), name.getText(),
							sex.getText(), age.getText(), remark.getText()));
					count++;
					oos.flush();
				} catch (Exception event) {
					System.out.println("写入文件时发生异常");
				}

			}
		});
		next.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				num.setText("");
				name.setText("");
				sex.setText("");
				age.setText("");
				remark.setText("");
			}
		});
		rebound.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				try {
					oos.close();
					dispose();

				} catch (IOException evem) {
					System.out.println("文件关闭异常");
				}
			}
		});
		jp.add(lab1);
		jp1.add(num);
		jp.add(lab2);
		jp1.add(name);
		jp.add(lab3);
		jp1.add(sex);
		jp.add(lab4);
		jp1.add(age);
		jp.add(lab5);
		jp1.add(remark);
		jp2.add(save);
		jp2.add(next);
		jp2.add(rebound);


	}
}