bookmanagermain.java

图书馆管理系统：该系统的开发主要包括用户登陆

import javax.swing.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.awt.Point;
import java.awt.Dimension;
import java.awt.Color;
import javax.swing.JMenu;
public class BookManagerMain extends JFrame
{
	public  BookManagerMain()
	{
		this.addWindowListener(new WindowListener(){
			public void windowActivated(WindowEvent e){}
			public void windowClosed(WindowEvent e){}   
			public void windowClosing(WindowEvent e){}
			public void windowDeactivated(WindowEvent e){}  
 			public void windowDeiconified(WindowEvent e){} 
 			public void windowIconified(WindowEvent e){}
 			public void windowOpened(WindowEvent e){
 				BookManagerMain.this.setEnabled("else");
 				userLogin dlg=new userLogin(BookManagerMain.this);
				Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
 				}
 			}); 
		this.setTitle("计算机系图书管理系统");
		setSize(new Dimension(800, 600));
		bar=new JMenuBar();
		setJMenuBar(bar);
		muSystem=new JMenu("系统管理");
		muBookManager=new JMenu("书籍管理");
		muBookManager.setFocusPainted(true);
		muUserManager=new JMenu("用户管理");
		muUserManager.setFocusPainted(true);
		mucfManager=new JMenu("惩罚管理");
		mucfManager.setFocusPainted(true);
		muAllInfo=new JMenu("信息检索");
		muAllInfo.setFocusPainted(true);
		miuserLogin=new JMenuItem("登录");
		miUserAdd=new JMenuItem("添加用户");
		miUserEdit=new JMenuItem("修改用户");
		miUserDel=new JMenuItem("删除用户");
		miglAdd=new JMenuItem("添加管理员");
		miExit=new JMenuItem("退出");
		miBookAdd=new JMenuItem("添加书籍信息");
		miBookEdit=new JMenuItem("修改书籍信息");
		miBookDel=new JMenuItem("删除书籍信息");
		miBookBorrow=new JMenuItem("借阅书籍");
		miBookReturn=new JMenuItem("归还书籍");
		miAllBook=new JMenuItem("书籍信息检索");		
		miuserList=new JMenuItem("用户信息检索");
		miborrowList=new JMenuItem("借阅信息检索");
		mics=new JMenuItem("惩罚信息检索");
		micsAdd=new JMenuItem("惩罚添加");
		micsDel=new JMenuItem("惩罚删除");
		bar.add(muSystem);
		bar.add(muBookManager);
		bar.add(muUserManager);
		bar.add(mucfManager);
		bar.add(muAllInfo);
		muSystem.add(miuserLogin);		
		muSystem.add(miExit);
		miExit.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e)
			{
				
				System.exit(0);
			}
		}
		);
		muBookManager.add(miBookBorrow);
		muBookManager.add(miBookReturn);
		muBookManager.addSeparator();
		muBookManager.add(miBookAdd);
		muBookManager.add(miBookEdit);
		muBookManager.add(miBookDel);
		muUserManager.add(miUserAdd);
		muUserManager.add(miUserEdit);
		muUserManager.add(miUserDel);
		muUserManager.addSeparator();
		muUserManager.add(miglAdd);
		mucfManager.add(micsAdd);
		mucfManager.add(micsDel);
		muAllInfo.add(miAllBook);
		muAllInfo.add(miuserList);	
		muAllInfo.add(miborrowList);
		muAllInfo.add(mics);
		setJMenuBar(bar);
		miuserLogin.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				userLogin dlg=new userLogin(BookManagerMain.this);
				Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 miglAdd.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		glAdd dlg=new glAdd();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});			
	 miUserAdd.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		userAdd dlg=new userAdd();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miUserEdit.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		userEdit dlg=new userEdit();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
		micsAdd.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		csAdd dlg=new csAdd();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	micsDel.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		csDel dlg=new csDel();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miUserDel.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		userDel dlg=new userDel();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miBookAdd.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		BookAdd dlg=new BookAdd();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		}); 
	 	miBookEdit.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		BookEdit dlg=new BookEdit();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miBookDel.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		BookDel dlg=new BookDel();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miBookBorrow.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		BookBorrow dlg=new BookBorrow();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miBookReturn.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		BookReturn dlg=new BookReturn();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miAllBook.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		AllBook dlg=new AllBook();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miuserList.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		userList dlg=new userList();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	 	miborrowList.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		borrowList dlg=new borrowList();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
		mics.addActionListener(new ActionListener(){
	  	public void actionPerformed(ActionEvent e){
	  		cs dlg=new cs();
	  		Dimension dlgSize=dlg.getPreferredSize();
				Dimension frmSize=BookManagerMain.this.getSize();
				Point loc=BookManagerMain.this.getLocation();
				dlg.setLocation((frmSize.width-dlgSize.width)/2+loc.x,(frmSize.height-dlgSize.height)/2+loc.y);
				dlg.pack();
				dlg.show();
			}
		});
	}
	public void setEnabled(String powertype){
		if(powertype.equals("管理员"))
		{
			muUserManager.setEnabled(true);
			miuserLogin.setEnabled(true);			
			muBookManager.setEnabled(true);
			miBookBorrow.setEnabled(true);
			miBookReturn.setEnabled(true);
			miBookAdd.setEnabled(true);
			miBookEdit.setEnabled(true);
			miBookDel.setEnabled(true);
			muUserManager.setEnabled(true);
			miUserAdd.setEnabled(true);
			miUserEdit.setEnabled(true);
			miUserDel.setEnabled(true);
			mucfManager.setEnabled(true);
			muAllInfo.setEnabled(true);
			}
		else if(powertype.equals("用户"))
		{
			muUserManager.setEnabled(true);
			miuserLogin.setEnabled(true);			
			muBookManager.setEnabled(true);
			miBookBorrow.setEnabled(true);
			miBookReturn.setEnabled(true);
			miBookAdd.setEnabled(false);
			miBookEdit.setEnabled(false);
			miBookDel.setEnabled(false);
			muUserManager.setEnabled(false);
			mucfManager.setEnabled(false);
			muAllInfo.setEnabled(true);
		}
		else
		{
			muUserManager.setEnabled(true);
			miuserLogin.setEnabled(true);
			muBookManager.setEnabled(false);
			muUserManager.setEnabled(false);
			mucfManager.setEnabled(false);
			muAllInfo.setEnabled(false);
		}
	}
	private JLabel label;
	private JPanel panel;
	private  JMenuBar bar;
	private JMenu muSystem;
	private JMenu muBookManager;
	private JMenu muUserManager;
	private JMenu mucfManager;
	private JMenu muAllInfo;	
	private JMenuItem miuserLogin;
	private JMenuItem miUserAdd;
	private JMenuItem miUserEdit;
	private JMenuItem miUserDel;
	private JMenuItem miglAdd;
	private	JMenuItem miExit;
	private	JMenuItem miBookAdd;
	private	JMenuItem miBookEdit;
	private	JMenuItem miBookDel;
	private	JMenuItem miBookBorrow;
	private	JMenuItem miBookReturn;
	private JMenuItem micsAdd;
	private JMenuItem micsDel;
	private JMenuItem miAllBook;
	private JMenuItem miuserList;
	private JMenuItem miborrowList;
	private JMenuItem mics;
}