import java.util.*;
import java.awt.*;
import java.io.*;
import java.net.*;
import java.sql.*;
import java.awt.event.*;
import javax.swing.*;


public class Librarybox extends JFrame implements ActionListener
{
 
	JLabel mlabel;
	JMenuBar mainmenu;
	static JMenu system,bookse,bookth,bookfo,bookfi,booksex,mi_system_manger;
	JMenuItem mi_system_login,mifi_system_adduser,mifi_system_moduser,mifi_system_deluser,mi_system_exit;
	JMenuItem se_book_addbook,se_book_modifybook,se_book_delbook;
	JMenuItem th_book_borrowmsg,th_book_borrowmsgmodif;
	JMenuItem fo_book_returnmsg,fo_book_returnmsgmodif;
	JMenuItem fi_msglabel_book,fi_msglabel_borrow,fi_msglabel_user;
	JMenuItem sex_edition;
	
	Loginfrm frml=new Loginfrm(this,"登錄窗口");
	Adduser frma=new Adduser(this,"添加用戶");
	Mdiuser frmm=new Mdiuser(this,"修改用戶");
	Deluser frmd=new Deluser(this,"刪除用戶");
	
	Addbookfrm frmab;Mdibookfrm frmmb;Delbookfrm frmdb;Borbookfrm frmbb;BorMsgbookfrm frmbmb;
	Booklistfrm  frmbl;Borlistbookfrm frmblb;Userlistfrm frmul;ReturnMsgbookfrm frmrmb;Returnbookfrm frmrb;
	Readme frmread;
	
	Librarybox()
	{
		super("圖書管理系統");
		Font myFont=new Font("楷體_GB2312",Font.BOLD,60);
		mlabel=new JLabel("    圖書管理系統");
		mlabel.setFont(myFont);
		add(mlabel);
		mainmenu=new JMenuBar();
		system=new JMenu("系統管理");
		mi_system_login=new JMenuItem("用戶登錄");
		mi_system_manger=new JMenu("用戶管理");
		mifi_system_adduser=new JMenuItem("添加用戶");
		mifi_system_moduser=new JMenuItem("修改用戶");
		mifi_system_deluser=new JMenuItem("刪除用戶");
		mi_system_manger.add(mifi_system_adduser);
		mi_system_manger.add(mifi_system_moduser);
		mi_system_manger.add(mifi_system_deluser);
		mi_system_exit=new JMenuItem("退出");
		mi_system_login.addActionListener(this);
		mi_system_exit.addActionListener(this);
		mifi_system_adduser.addActionListener(this);
		mifi_system_moduser.addActionListener(this);
		mifi_system_deluser.addActionListener(this);
		system.add(mi_system_login);
		system.add(mi_system_manger);
		system.addSeparator();
		system.add(mi_system_exit);
		mainmenu.add(system);
		
		
		bookse=new JMenu("書籍管理" );
		se_book_addbook=new JMenuItem("添加書籍");
		se_book_modifybook=new JMenuItem("修改書籍");
		se_book_delbook=new JMenuItem("刪除書籍");
		se_book_addbook.addActionListener(this);
		se_book_modifybook.addActionListener(this);
		se_book_delbook.addActionListener(this);
		bookse.add(se_book_addbook);
		bookse.add(se_book_modifybook);
		bookse.add(se_book_delbook);
		mainmenu.add(bookse);
		
		
		bookth=new JMenu("借閱管理" );
		th_book_borrowmsg=new JMenuItem("當前出借信息");
		th_book_borrowmsgmodif=new JMenuItem("出借信息修改");
		th_book_borrowmsg.addActionListener(this);
		th_book_borrowmsgmodif.addActionListener(this);
		bookth.add(th_book_borrowmsg);
		bookth.add(th_book_borrowmsgmodif);
		mainmenu.add(bookth);
		
		
		bookfo=new JMenu("還書管理");
		fo_book_returnmsg=new JMenuItem("當前還書信息");
		fo_book_returnmsgmodif=new JMenuItem("還書信息修改");
		fo_book_returnmsg.addActionListener(this);
		fo_book_returnmsgmodif.addActionListener(this);
		bookfo.add(fo_book_returnmsg);
		bookfo.add(fo_book_returnmsgmodif);
		mainmenu.add(bookfo);
		
		
		bookfi=new JMenu("信息");
		fi_msglabel_book=new JMenuItem("書籍列表");
		fi_msglabel_borrow=new JMenuItem("借閱情況表");
		fi_msglabel_user=new JMenuItem("用戶列表");
		fi_msglabel_book.addActionListener(this);
		fi_msglabel_borrow.addActionListener(this);
		fi_msglabel_user.addActionListener(this);
		bookfi.add(fi_msglabel_book);
		bookfi.add(fi_msglabel_borrow);
		bookfi.add(fi_msglabel_user);
		mainmenu.add(bookfi);
		
		
		booksex=new JMenu("幫助");
		sex_edition=new JMenuItem("—版本—");
		sex_edition.addActionListener(this);
		booksex.add(sex_edition);
		mainmenu.add(booksex);
		
		
		
		this.setJMenuBar(mainmenu);
		
		setBounds(150,60,800,600);
		this.setVisible(true);
		
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getActionCommand()=="退出")
		{
			dispose();
			System.exit(0);
		}
		else if(e.getActionCommand()=="添加用戶")
		{
			frma.setVisible(true);
		}
		else if(e.getActionCommand()=="用戶登錄")
		{
			this.setVisible(false);
			this.dispose();
			frml.setVisible(true);
			
		}
		else if(e.getActionCommand()=="修改用戶")
		{
			frmm.setVisible(true);
		}
		else if(e.getActionCommand()=="刪除用戶")
		{
			frmd.setVisible(true);
		}
		else if(e.getActionCommand()=="添加書籍")
		{
		    frmab=new Addbookfrm();
		    frmab.setVisible(true);
		}
		else if(e.getActionCommand()=="修改書籍")
		{
			frmmb=new Mdibookfrm();
			frmmb.setVisible(true);
		}
		else if(e.getActionCommand()=="刪除書籍")
		{
			frmdb=new Delbookfrm();
			frmdb.setVisible(true);
		}else if(e.getActionCommand()=="當前出借信息")
		{
			frmbb=new Borbookfrm();
			frmbb.setVisible(true);
		}
		else if(e.getActionCommand()=="出借信息修改")
		{
			frmbmb=new BorMsgbookfrm();
			frmbmb.setVisible(true);
		}
		else if(e.getActionCommand()=="當前還書信息")
		{
			frmrb=new Returnbookfrm();
			frmrb.setVisible(true);
		}
		else if(e.getActionCommand()=="還書信息修改")
		{
			frmrmb=new ReturnMsgbookfrm();
			frmrmb.setVisible(true);
		}
		else if(e.getActionCommand()=="書籍列表")
		{
			frmbl=new Booklistfrm();
			frmbl.setVisible(true);
		}
		else if(e.getActionCommand()=="借閱情況表")
		{
			frmblb=new Borlistbookfrm();
			frmblb.setVisible(true);
		}
		else if(e.getActionCommand()=="用戶列表")
		{
			frmul=new Userlistfrm();
			frmul.setVisible(true);
		}
		else if(e.getActionCommand()=="—版本—")
		{
			frmread=new Readme();
			frmread.setVisible(true);
		}
	}
}