teachermain.java

简单的系统

package main;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

import views.UserInfo;

public class TeacherMain extends JFrame implements ActionListener {

	/**
	 * 教师主界面
	 */
	public static String userName = null;

	public static String userPwd = null;

	private static final long serialVersionUID = 1L;

	public static JDesktopPane panel;

	private JMenu menu0 = new JMenu();

	private JMenu menu1 = new JMenu();

	private JMenu menu2 = new JMenu();

	private JMenu menu3 = new JMenu();

	private JMenuItem menuItem0;

	private JMenuItem menuItem1;

	private JMenuItem menuItem2;

	public TeacherMain() {
		super("教师登录");

		JMenuBar menuBar = new JMenuBar();
		setJMenuBar(menuBar);

		menu0.setText("个人信息维护");
		menu0.setFont(new Font("宋体", Font.PLAIN, 12));
		menuBar.add(menu0);

		menuItem0 = new JMenuItem();
		menuItem0.setFont(new Font("宋体", Font.PLAIN, 12));
		menuItem0.addActionListener(this);
		menuItem0.setText("密码修改");
		menu0.add(menuItem0);

		menu1.setText("借还钥匙");
		menu1.setFont(new Font("宋体", Font.PLAIN, 12));
		menuBar.add(menu1);

		menuItem1 = new JMenuItem();
		menuItem1.setFont(new Font("宋体", Font.PLAIN, 12));
		menuItem1.setText("借钥匙");
		menu1.add(menuItem1);

		menuItem2 = new JMenuItem();
		menuItem2.setFont(new Font("宋体", Font.PLAIN, 12));
		menuItem2.setText("还钥匙");
		menu1.add(menuItem2);

		menu2.setText("帮助");
		menu2.setFont(new Font("宋体", Font.PLAIN, 12));
		menuBar.add(menu2);

		menu3.setText("退出");
		menu3.setFont(new Font("宋体", Font.PLAIN, 12));
		menu3.addActionListener(this);
		menuBar.add(menu3);

		panel = new JDesktopPane();
		panel.setLayout(null);
		getContentPane().add(panel, BorderLayout.CENTER);
	}

	public void ShowFrame() {
		Dimension screen = getToolkit().getScreenSize(); // 封装组件，工具包中设置屏幕大小的方法
		int width = (int) ((screen.getWidth() - 300) / 2);
		int height = (int) ((screen.getHeight() - 350) / 2);// 设置对象宽 ，高
		this.setBounds(width, height, 300, 350);
		this.setVisible(true);
	}

	public void actionPerformed(ActionEvent arg0) {
		if (arg0.getSource() == menu3) {// 退出
			System.exit(0);
		} else if (arg0.getSource() == menuItem0) {// 密码修改
			System.out.println("密码修改");
			UserInfo userInfo = new UserInfo();
			userInfo.setFlag(2);
			userInfo.setUserName(this.userName);
			userInfo.setOldPwd1(this.userPwd);
			TeacherMain.panel.add(userInfo);
			userInfo.ShowFrame();
		}
	}

	public static String getUserName() {
		return userName;
	}

	public void setUserName(String userName) {
		TeacherMain.userName = userName;
	}

	public static String getUserPwd() {
		return userPwd;
	}

	public void setUserPwd(String userPwd) {
		TeacherMain.userPwd = userPwd;
	}
}