📄 mainwindow.java~13~
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
//import myClass.swing.*;
public class MainWindow
extends JFrame
implements ActionListener {
JPanel panel1; //panel2;
Container c;
JMenuBar MenuB;
JMenu SystemMenu, BookMGRMenu, BorrowBookMenu, ReturnBookMenu,
InfoBrowseMenu, UserMGRMenu,aboutMenu;
JMenuItem UserLoginMenuItem, UserAddMenuItem, UserModifyMenuItem,
UserDeleteMenuItem, ExitMenuItem, BookAddMenuItem, BookModifyMenuItem,
BookDeleteMenuItem,
BorrowBookMenuItem, BorrowInfoMenuItem, ReturnBookMenuItem,
ReturnInfoMenuItem,
BookListMenuItem, BorrowBookListMenuItem, UserListMenuItem,
aboutMenuItem;
JLabel AuthorLabel, DateLabel;//,titleLabel ;
public MainWindow() {
super("图书馆管理系统");
//--系统管理菜单--
MenuB = new JMenuBar();
SystemMenu = new JMenu("系统管理");
UserMGRMenu = new JMenu("用户管理");
UserLoginMenuItem = new JMenuItem("用户登录");
UserAddMenuItem = new JMenuItem("添加用户");
UserModifyMenuItem = new JMenuItem("修改密码");
UserDeleteMenuItem = new JMenuItem("删除用户");
ExitMenuItem = new JMenuItem("退出");
SystemMenu.add(UserLoginMenuItem);
UserMGRMenu.add(UserAddMenuItem);
UserMGRMenu.add(UserModifyMenuItem);
UserMGRMenu.add(UserDeleteMenuItem);
SystemMenu.add(UserMGRMenu);
SystemMenu.add(ExitMenuItem);
UserLoginMenuItem.addActionListener(this);
UserAddMenuItem.addActionListener(this);
UserModifyMenuItem.addActionListener(this);
UserDeleteMenuItem.addActionListener(this);
ExitMenuItem.addActionListener(this);
MenuB.add(SystemMenu);
//---书籍管理菜单--
BookMGRMenu = new JMenu("书籍管理");
BookAddMenuItem = new JMenuItem("添加书籍");
BookModifyMenuItem = new JMenuItem("修改书籍");
BookDeleteMenuItem = new JMenuItem("删除书籍");
BookMGRMenu.add(BookAddMenuItem);
BookMGRMenu.add(BookModifyMenuItem);
BookMGRMenu.add(BookDeleteMenuItem);
BookAddMenuItem.addActionListener(this);
BookModifyMenuItem.addActionListener(this);
BookDeleteMenuItem.addActionListener(this);
MenuB.add(BookMGRMenu);
//--借书管理菜单--
BorrowBookMenu = new JMenu("借书管理");
BorrowBookMenuItem = new JMenuItem("书籍出借");
BorrowInfoMenuItem = new JMenuItem("出借信息修改");
BorrowBookMenu.add(BorrowBookMenuItem);
BorrowBookMenu.add(BorrowInfoMenuItem);
BorrowBookMenuItem.addActionListener(this);
BorrowInfoMenuItem.addActionListener(this);
MenuB.add(BorrowBookMenu);
//--还书管理菜单--
ReturnBookMenu = new JMenu("还书管理");
ReturnBookMenuItem = new JMenuItem("书籍还入");
ReturnInfoMenuItem = new JMenuItem("书籍还入信息修改");
ReturnBookMenu.add(ReturnBookMenuItem);
ReturnBookMenu.add(ReturnInfoMenuItem);
ReturnBookMenuItem.addActionListener(this);
ReturnInfoMenuItem.addActionListener(this);
MenuB.add(ReturnBookMenu);
//--信息一览菜单--
InfoBrowseMenu = new JMenu("信息一览");
BookListMenuItem = new JMenuItem("书籍列表");
BorrowBookListMenuItem = new JMenuItem("借阅情况表");
UserListMenuItem = new JMenuItem("用户列表");
InfoBrowseMenu.add(BookListMenuItem);
InfoBrowseMenu.add(BorrowBookListMenuItem);
InfoBrowseMenu.add(UserListMenuItem);
BookListMenuItem.addActionListener(this);
BorrowBookListMenuItem.addActionListener(this);
UserListMenuItem.addActionListener(this);
MenuB.add(InfoBrowseMenu);
//--关于菜单--
aboutMenuItem = new JMenuItem("关于");
MenuB.add()
//----------------------------------
setJMenuBar(MenuB);
//titleLabel=new JLabel("欢迎使用图书管理系统",JLabel.CENTER);
//titleLabel.setFont(new Font("TimesRoman",Font.BOLD,24));
//AuthorLabel=new JLabel("作者:麦密辉",JLabel.RIGHT);
//DateLabel=new JLabel("完成时间：04-11-04",JLabel.RIGHT);
//titleLabel = new JLabel(new ImageIcon(".\\pic.jpg"));
c = getContentPane();
c.setLayout(new BorderLayout());
panel1 = new JPanel();
panel1.setLayout(new BorderLayout());
//panel2=new JPanel();
//panel2.setLayout(new BorderLayout());
//panel1.add(titleLabel, BorderLayout.CENTER);
//panel2.add(AuthorLabel,BorderLayout.NORTH);
//panel2.add(DateLabel,BorderLayout.SOUTH);
c.add(panel1, BorderLayout.CENTER);
//c.add(panel2,BorderLayout.SOUTH);
//setSize(400, 300);
//show();
//--设置初始功能:--
UserMGRMenu.setEnabled(false);
BookMGRMenu.setEnabled(false);
BorrowBookMenu.setEnabled(false);
ReturnBookMenu.setEnabled(false);
InfoBrowseMenu.setEnabled(false);
}
//--设置每个菜单点击后出现的窗口和窗口显示的位置--
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand() == "用户登录") {
UserLogin UserLoginFrame = new UserLogin(this);
Dimension FrameSize = UserLoginFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
UserLoginFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
UserLoginFrame.pack();
UserLoginFrame.show();
}
else if (e.getActionCommand() == "添加用户") {
UserAdd UserAddFrame = new UserAdd();
Dimension FrameSize = UserAddFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
UserAddFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
UserAddFrame.pack();
UserAddFrame.show();
}
else if (e.getActionCommand() == "修改密码") {
UserModify UserModifyFrame = new UserModify();
Dimension FrameSize = UserModifyFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
UserModifyFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
UserModifyFrame.pack();
UserModifyFrame.show();
}
else if (e.getActionCommand() == "删除用户") {
UserDelete UserDeleteFrame = new UserDelete();
Dimension FrameSize = UserDeleteFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
UserDeleteFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
UserDeleteFrame.pack();
UserDeleteFrame.show();
}
else if (e.getActionCommand() == "添加书籍") {
BookAdd BookAddFrame = new BookAdd();
Dimension FrameSize = BookAddFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
BookAddFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
BookAddFrame.pack();
BookAddFrame.show();
}
else if (e.getActionCommand() == "修改书籍") {
BookModify BookModifyFrame = new BookModify();
Dimension FrameSize = BookModifyFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
BookModifyFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
BookModifyFrame.pack();
BookModifyFrame.show();
}
else if (e.getActionCommand() == "删除书籍") {
BookDelete BookDeleteFrame = new BookDelete();
Dimension FrameSize = BookDeleteFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
BookDeleteFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
BookDeleteFrame.pack();
BookDeleteFrame.show();
}
else if (e.getActionCommand() == "书籍出借") {
BorrowBook BorrowBookFrame = new BorrowBook();
Dimension FrameSize = BorrowBookFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
BorrowBookFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
BorrowBookFrame.pack();
BorrowBookFrame.show();
}
else if (e.getActionCommand() == "出借信息修改") {
BorrowInfo BorrowInfoFrame = new BorrowInfo();
Dimension FrameSize = BorrowInfoFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
BorrowInfoFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
BorrowInfoFrame.pack();
BorrowInfoFrame.show();
}
else if (e.getActionCommand() == "书籍还入") {
ReturnBook ReturnBookFrame = new ReturnBook();
Dimension FrameSize = ReturnBookFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
ReturnBookFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
ReturnBookFrame.pack();
ReturnBookFrame.show();
}
else if (e.getActionCommand() == "书籍还入信息修改") {
ReturnInfo ReturnInfoFrame = new ReturnInfo();
Dimension FrameSize = ReturnInfoFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
ReturnInfoFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
ReturnInfoFrame.pack();
ReturnInfoFrame.show();
}
else if (e.getActionCommand() == "书籍列表") {
BookList BookListFrame = new BookList();
Dimension FrameSize = BookListFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
BookListFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
BookListFrame.pack();
BookListFrame.show();
}
else if (e.getActionCommand() == "借阅情况表") {
BorrowBookList BorrowBookListFrame = new BorrowBookList();
Dimension FrameSize = BorrowBookListFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
BorrowBookListFrame.setLocation( (MainFrameSize.width - FrameSize.width) /
2 + loc.x,
(MainFrameSize.height - FrameSize.height) /
2 + loc.y);
BorrowBookListFrame.pack();
BorrowBookListFrame.show();
}
else if (e.getActionCommand() == "用户列表") {
UserList UserListFrame = new UserList();
Dimension FrameSize = UserListFrame.getPreferredSize();
Dimension MainFrameSize = getSize();
Point loc = getLocation();
UserListFrame.setLocation( (MainFrameSize.width - FrameSize.width) / 2 +
loc.x,
(MainFrameSize.height - FrameSize.height) / 2 +
loc.y);
UserListFrame.pack();
UserListFrame.show();
}
else if (e.getActionCommand() == "退出") {
this.dispose();
System.exit(0);
}
}
//--设置登录用户的权限--
public void setEnable(String powerType) {
if (powerType.trim().equals("系统管理员")) {
UserMGRMenu.setEnabled(true);
BookMGRMenu.setEnabled(true);
BorrowBookMenu.setEnabled(true);
ReturnBookMenu.setEnabled(true);
InfoBrowseMenu.setEnabled(true);
UserListMenuItem.setEnabled(true);
}
else if (powerType.trim().equals("书籍管理员")) {
UserMGRMenu.setEnabled(false);
BookMGRMenu.setEnabled(true);
BorrowBookMenu.setEnabled(false);
ReturnBookMenu.setEnabled(false);
InfoBrowseMenu.setEnabled(true);
UserListMenuItem.setEnabled(false);
}
else if (powerType.trim().equals("借阅管理员")) {
UserMGRMenu.setEnabled(false);
BookMGRMenu.setEnabled(false);
BorrowBookMenu.setEnabled(true);
ReturnBookMenu.setEnabled(true);
InfoBrowseMenu.setEnabled(true);
UserListMenuItem.setEnabled(false);
}
else if (powerType.trim().equals("else")) {
UserMGRMenu.setEnabled(false);
BookMGRMenu.setEnabled(false);
BorrowBookMenu.setEnabled(false);
ReturnBookMenu.setEnabled(false);
InfoBrowseMenu.setEnabled(false);
}
}
public static void main(String args[]) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch (Exception e) {
e.printStackTrace();
}
MainWindow mainFrame = new MainWindow();
mainFrame.setSize(400,300);
//mainFrame.addWindowListener(new MyWindowListener());
Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
mainFrame.setLocation( (d.width - mainFrame.getSize().width) / 2,
(d.height - mainFrame.getSize().height) / 2);
mainFrame.show();
}
}
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