图书管理系统代码  3 LibraryMainF…-阿里云开发者社区

import java.awt.AWTException;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.MenuItem;

import java.awt.PopupMenu;

import java.awt.SystemTray;

import java.awt.Toolkit;

import java.awt.TrayIcon;

import java.awt.event.ActionEvent;

import java.awt.event.MouseEvent;

import java.awt.event.ActionListener;

import java.awt.event.InputEvent;

import java.awt.event.KeyEvent;

import java.awt.event.MouseListener;

import java.awt.print.PrinterException;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InvalidClassException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.io.StreamCorruptedException;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JPopupMenu;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.JToolBar;

import javax.swing.KeyStroke;

import javax.swing.table.DefaultTableCellRenderer;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableColumn;

import javax.swing.table.TableModel;

public class LibraryMainF extends InitFrame

{

private static final long serialVersionUID = 1L;

public LibraryMainF()

{

super("图书管理系统—主界面","Library.png",850,600);

//设置系统托盘

TrayIcon trayIcon =null;

if (SystemTray.isSupported()) {

SystemTray tray = SystemTray.getSystemTray();

this.setResizable(false);//窗体不可调节大小

//设置系统图标显示的右键菜单

PopupMenu popup = new PopupMenu();

MenuItem exit_pop = new MenuItem("退出");

MenuItem showMainF_pop = new MenuItem("显示主界面");

exit_pop.addActionListener(listener);

showMainF_pop.addActionListener(listener);

popup.add(showMainF_pop);

popup.addSeparator();

popup.add(exit_pop);

trayIcon = new TrayIcon(Toolkit.getDefaultToolkit().getImage("library_tray.png"), "图书管理系统", popup);

trayIcon.addActionListener(listener);

//为托盘添加鼠标事件当单击或者双击系统托盘图标时显示主界面

trayIcon.addMouseListener(new MouseListener(){

public void mouseClicked(MouseEvent e)

{

// 当单击左键时将主界面设为可见

if(e.getButton()==MouseEvent.BUTTON1)

LibraryMainF.this.setVisible(true);

}

public void mouseEntered(MouseEvent e1) {

}

public void mouseExited(MouseEvent e2) {

}

public void mousePressed(MouseEvent e3) {

}

public void mouseReleased(MouseEvent e4) {

}

});

try {

tray.add(trayIcon);

} catch (AWTException e) {

System.err.println(e);

}

if (trayIcon != null) {

trayIcon.setImage(Toolkit.getDefaultToolkit().getImage("library_tray.png"));

}

//添加设置菜单

JMenuBar bar = new JMenuBar();

JMenu menu_book = new JMenu("图书");

JMenu menu_edit = new JMenu("编辑");

JMenu menu_help = new JMenu("帮助");

this.setJMenuBar(bar);

bar.add(menu_book);

bar.add(menu_edit);

bar.add(menu_help);

menuItem_add = new JMenuItem("添书(A)",new ImageIcon("add.png"));

//设置助记符

menuItem_add.setMnemonic('A');

//设置加速键

menuItem_add.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_A,

InputEvent.CTRL_MASK));

//添加监听器

menuItem_add.addActionListener(listener);

menuItem_add_class = new JMenuItem("添类(C)",new ImageIcon("add_class.png"));

//设置助记符

menuItem_add_class.setMnemonic('C');

//设置加速键

menuItem_add_class.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_C,

InputEvent.CTRL_MASK));

//添加监听器

menuItem_add_class.addActionListener(listener);

menuItem_search = new JMenuItem("查询(S)",new ImageIcon("search.png"));

menuItem_search.setMnemonic('S');

menuItem_search.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_S,

InputEvent.CTRL_MASK));

menuItem_search.addActionListener(listener);

menuItem_del = new JMenuItem("借出(B)",new ImageIcon("del.png"));

menuItem_del.setMnemonic('B');

menuItem_del.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_B,

InputEvent.CTRL_MASK));

menuItem_del.addActionListener(listener);

menuItem_print = new JMenuItem("打印(P)",new ImageIcon("print.png"));

menuItem_print.setMnemonic('P');

menuItem_print.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_P,

InputEvent.CTRL_MASK));

menuItem_print.addActionListener(listener);

menuItem_exit = new JMenuItem("退出(E)",new ImageIcon("exit.png"));

menuItem_exit.setMnemonic('E');

menuItem_exit.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_E,

InputEvent.CTRL_MASK));

menuItem_exit.addActionListener(listener);

menu_book.add(menuItem_add);

menu_book.add(menuItem_add_class);

menu_book.add(menuItem_search);

menu_book.add(menuItem_del);

menu_book.add(menuItem_print);

menu_book.addSeparator();

menu_book.add(menuItem_exit);

JMenuItem menuItem_edit_passW = new JMenuItem("改密(W)",new ImageIcon("edit_paasW.png"));

menuItem_edit_passW.setMnemonic('W');

menuItem_edit_passW.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_W,

InputEvent.CTRL_MASK));

menuItem_edit_passW.addActionListener(listener);

JMenuItem menuItem_new_user = new JMenuItem("新用户(N)",new ImageIcon("new_user.png"));

menuItem_new_user.setMnemonic('N');

menuItem_new_user.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_N,

InputEvent.CTRL_MASK));

menuItem_new_user.addActionListener(listener);

menu_edit.add(menuItem_edit_passW);

menu_edit.addSeparator();

menu_edit.add(menuItem_new_user);

JMenuItem menuItem_help = new JMenuItem("帮助文档(H)",new ImageIcon("help.png"));

menuItem_help.setMnemonic('S');

menuItem_help.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_S,

InputEvent.CTRL_MASK));

menuItem_help.addActionListener(listener);

JMenuItem menuItem_about = new JMenuItem("关于(T)",new ImageIcon("about.png"));

menuItem_about.setMnemonic('T');

menuItem_about.setAccelerator(

KeyStroke.getKeyStroke(

KeyEvent.VK_T,

InputEvent.CTRL_MASK));

menuItem_about.addActionListener(listener);

menu_help.add(menuItem_help);

menu_help.addSeparator();

menu_help.add(menuItem_about);

this.setLayout(new BorderLayout());

//添加面板

JPanel northPanel = new JPanel();

JPanel southPanel = new JPanel();

this.add(northPanel,BorderLayout.NORTH);

this.add(southPanel,BorderLayout.CENTER);

northPanel.setLayout(new BorderLayout());

southPanel.setLayout(new BorderLayout());

//设置工具箱

JToolBar toolBar = new JToolBar();

toolBar.setEnabled(false);

JButton button_add =new JButton(new ImageIcon("add.png"));

button_add.setToolTipText("添书");

button_add.setActionCommand("添书(A)");

toolBar.add(button_add);

button_add.addActionListener(listener);

JButton button_add_class = new JButton(new ImageIcon("add_class.png"));

button_add_class.setToolTipText("添类");

button_add_class.setActionCommand("添类(C)");

toolBar.add(button_add_class);

button_add_class.addActionListener(listener);

JButton button_search =new JButton(new ImageIcon("search.png"));

button_search.setToolTipText("查询");

button_search.setActionCommand("查询(S)");

toolBar.add(button_search);

button_search.addActionListener(listener);

JButton button_del =new JButton(new ImageIcon("del.png"));

button_del.setToolTipText("借出");

button_del.setActionCommand("借出(B)");

toolBar.add(button_del);

button_del.addActionListener(listener);

JButton button_print = new JButton(new ImageIcon("print.png"));

button_print.setToolTipText("打印");

button_print.setActionCommand("打印(P)");

toolBar.add(button_print);

button_print.addActionListener(listener);

JButton button_refresh =new JButton(new ImageIcon("refresh.png"));

button_refresh.setToolTipText("刷新");

button_refresh.setActionCommand("刷新(R)");

toolBar.add(button_refresh);

button_refresh.addActionListener(listener);

northPanel.add(toolBar,BorderLayout.WEST);

//添加右键菜单

pop = new JPopupMenu();

southPanel.setComponentPopupMenu(pop);

pop_add = new JMenuItem("添书(A)",new ImageIcon("add.png"));

pop_add.addActionListener(listener);

pop_add_class = new JMenuItem("添类(C)");

pop_add_class.addActionListener(listener);

pop_search = new JMenuItem("查询(S)",new ImageIcon("search.png"));

pop_search.addActionListener(listener);

pop_del = new JMenuItem("借出(B)",new ImageIcon("del.png"));

pop_del.addActionListener(listener);

pop_exit = new JMenuItem("退出(E)",new ImageIcon("exit.png"));

pop_exit.addActionListener(listener);

pop.add(pop_add);

pop.add(pop_search);

pop.add(pop_del);

pop.add(pop_exit);

southPanel.addMouseListener(new MouseListener(){

public void mouseClicked(MouseEvent event) {

}

public void mouseEntered(MouseEvent event) {

}

public void mouseExited(MouseEvent event) {

}

public void mousePressed(MouseEvent event) {

}

public void mouseReleased(MouseEvent event) {

if(pop.isPopupTrigger(event))

pop.show(LibraryMainF.this,event.getX(),event.getY());

}

});

//创建图书分类的下拉列表

File file_Library= new File("E:\\图书管理系统\\分类");

file_class = file_Library.listFiles();

comBo= new JComboBox(file_class);

comBo.setSelectedItem("E:\\图书管理系统\\分类\\文学");

northPanel.add(comBo,BorderLayout.EAST);

comBo.addActionListener(new ActionListener()

{

public void actionPerformed(ActionEvent e)

{

}

});

// 根据数据模型创建二维表格

table_MainF = new JTable(initTabelModel());

// 为二维表格添加滚动窗格

js = new JScrollPane(table_MainF);

// 设置主界面中的二维表格中被选中的行的前景色

table_MainF.setSelectionForeground(Color.ORANGE) ;

// 设置列为不可拖动

table_MainF.getTableHeader().setReorderingAllowed(false);

setAlternateColor(table_MainF);

// 将滚动窗格添加入面板

southPanel.add(js,BorderLayout.CENTER);

}

ActionListener listener = new ActionListener() {

public void actionPerformed(ActionEvent e) {

if(e.getActionCommand().equals("退出")||e.getActionCommand().equals("退出(E)"))

{

System.exit(0);

}else if(e.getActionCommand().equals("显示主界面"))

{

LibraryMainF.this.setVisible(true);

}else if(e.getActionCommand().equals("添书(A)"))

{

AddBookFrame abf= new AddBookFrame();

abf.setVisible(true);

}else if (e.getActionCommand().equals("添类(C)"))

{

JLabel label = new JLabel("请输入需要添加的图书分类：");

String selection = JOptionPane.showInputDialog(pop_add_class,label, "图书管理系统-添加图书分类", JOptionPane.OK_CANCEL_OPTION);

if(selection.equals(str_null))

{

JLabel label_result = new JLabel("你输入的书籍分类为空，请重新输入！！");

JOptionPane.showConfirmDialog(pop_add_class, label_result,"图书管理系统-加添分类—输入为空", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("null.png"));

}else

{

File f_class = new File("E:\\图书管理系统\\分类\"+selection);

if(f_class .exists())//如果分类已经存在给予提示

{

JLabel label_result = new JLabel("你输入的书籍分类已存在！！");

JOptionPane.showConfirmDialog(pop_add_class, label_result,"图书管理系统-分类已存在", JOptionPane.WARNING_MESSAGE,JOptionPane.OK_OPTION , new ImageIcon("result.png"));

}

if(!f_class .exists()){//添加的分类不存在的时候进行添加

f_class .mkdir();

File f_book = new File("E:\\图书管理系统\\分类\"+selection+"\"+"bookinfo.dat");

File f_book_num = new File("E:\\图书管理系统\\分类\"+selection+"\"+"booknum.dat");

try {

FileWriter fo = new FileWriter(f_book);

String str = "";

fo.write(str);

fo.close();

} catch (IOException e1) {

e1.printStackTrace();

}

// 初始化booknum.dat

int num = 0;

try {

FileOutputStream fo = new FileOutputStream(f_book_num);

ObjectOutputStream oos = new ObjectOutputStream(fo);

oos.writeInt(num);

oos.close();

} catch (FileNotFoundException e1) {

e1.printStackTrace();

}catch (IOException e5) {

System.out.println("初始化写入异常");

e5.printStackTrace();

}

JLabel label_result = new JLabel(selection+"分类创建成功！！");

JOptionPane.showConfirmDialog(pop_add_class, label_result,"图书管理系统-添加成功", JOptionPane.INFORMATION_MESSAGE,JOptionPane.OK_OPTION, new ImageIcon("succes.png"));

}}}

else if(e.getActionCommand().equals("查询(S)"))

{

SearchFrame sf = new SearchFrame();

sf.setVisible(true);

}else if(e.getActionCommand().equals("借出(B)"))

{

}else if(e.getActionCommand().equals("打印(P)"))

{

try {

table_MainF.print();

} catch (PrinterException e1) {

e1.printStackTrace();

}

}else if(e.getActionCommand().equals("改密(W)"))

{

EditpassW edit_pass_word = new EditpassW();

edit_pass_word.setVisible(true);

}else if (e.getActionCommand().equals("新用户(N)"))

{

AddUserFrame addFrame =new AddUserFrame();

addFrame.setVisible(true);

}

else if(e.getActionCommand().equals("刷新(R)"))

{

}else if(e.getActionCommand().equals("关于(T)"))

{

AboutFrame af = new AboutFrame();

System.out.println("he");

af.setVisible(true);

}} };

//获得下拉列表的选项

public File getClassName()

{

return (File)comBo.getSelectedItem();

}

//实现隔一行换一个背景色的功能

public void setAlternateColor(JTable table)

{

//构造渲染器

DefaultTableCellRenderer cellRenderer = new DefaultTableCellRenderer()

{

private static final long serialVersionUID = 1L;

public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)

{

if(row%2==0)

{

this.setBackground(Color.PINK);

}else

this.setBackground(Color.WHITE);

return super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);

}

};

// 对每一行运用渲染器

for (int i = 0 ;i<table_MainF.getColumnCount();i++)

{

TableColumn column = table.getColumn(table.getColumnName(i));

column.setCellRenderer(cellRenderer);

}

public TableModel initTabelModel()

{

Book book_read;

// 首先读取该分类下的书籍对象个数的文件读取对象个数

File file_book_num= new File("E:\\图书管理系统\\分类\\书法\\booknum.dat");

try {

FileInputStream fi = new FileInputStream(file_book_num);

ObjectInputStream oi = new ObjectInputStream(fi);

System.out.println(num);

num =oi.readInt();

System.out.println(num);

fi.close();

oi.close();

}

catch (FileNotFoundException e1) {

e1.printStackTrace();

}catch(InvalidClassException e4)

{

e4.printStackTrace();

}catch(StreamCorruptedException e5)

{

e5.printStackTrace();

}

catch (IOException e1) {

e1.printStackTrace();

}

if(num!=0){

data = new Object[num][5];//存放分类下的书籍信息

Object [] clumnNames = {"编号","书名 ","作者","出版社","数量"};

// 读取书籍信息的文件

File file_book_info = new File("E:\\图书管理系统\\分类\\书法\\bookinfo.dat");

try {

FileInputStream fis = new FileInputStream(file_book_info);

ObjectInputStream ois = new ObjectInputStream(fis);

int j=0;

while(j<num)

{

book_read = (Book)ois.readObject();

// 将书籍数据遍历存放到temp数组中然后传入data

Object [] temp2 = new Object[]{book_read.getNumber(),book_read.getName(),book_read.getAuthor(),book_read.getPress(),book_read.getCount()};

data[j]= temp2;

j++;

}

model_default = new DefaultTableModel(data,clumnNames);

} catch (ClassNotFoundException e1) {

e1.printStackTrace();

}catch (FileNotFoundException e2) {

e2.printStackTrace();

} catch (IOException e2) {

e2.printStackTrace();

}

if(num==0)

{

model_default = new DefaultTableModel();

data = new Object[1][];//存放分类下的书籍信息

Object [] clumnNames = {"编号","书名 ","作者","出版社","数量"};

Object[] temp = new Object[]{"","","","","",""};

data[0]= temp;

model_default = new DefaultTableModel(data,clumnNames);

}

return model_default ;

}

private File[] file_class ;

private JTable table_MainF;

private JMenuItem menuItem_add;

private JMenuItem menuItem_search ;

private JMenuItem menuItem_del;

private JMenuItem menuItem_print;

private JMenuItem menuItem_exit ;

private JMenuItem menuItem_add_class;

private JMenuItem pop_add;//右键菜单

private JMenuItem pop_add_class;

private JMenuItem pop_search;

private JMenuItem pop_del;

private JMenuItem pop_exit;

private JPopupMenu pop ;

private JScrollPane js;

private JComboBox comBo;

;

private Book book_main;

private TableModel model;

TableModel model_default;

private Object[][] book;

private Object [][] data ;

private int num =0;

private String str_null ="";

}

————————————————

原文链接：https://blog.csdn.net/w605283073/article/details/46572399

图书管理系统代码  3 LibraryMainF…

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