Eclipse+Java+Swing实现学生信息管理系统

2401_851918432024-09-05 19:07

StringBuffer sb = new StringBuffer();

// 处理成十六进制的字符串(通常)

for (byte bb : md5Bytes) {

sb.append(chars[(bb >> 4) & 15]);

sb.append(chars[bb & 15]);

}

return sb.toString();

}

// 测试主函数

public static void main(String args[]) {

System.out.println(string2MD5("123456"));

}

}

<>LoginFrame.java

package com.sjsq.view;

import org.jb2011.lnf.beautyeye.ch3_button.BEButtonUI;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Image;

import java.awt.Rectangle;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JPasswordField;

import javax.swing.JTextField;

import javax.swing.Timer;

import javax.swing.UIManager;

import com.sjsq.model.User;

import com.sjsq.util.MD5Util;

import com.sjsq.dao.UserDao;

public class LoginFrame extends JFrame implements ActionListener {

public static String uname = null;

public static String pwd = null;

String username, password, login, quit;

// 登录标签

private JLabel loginJLabel;

private JPanel jContentPane = null;

private JButton jButtonLogin = null;

private JButton jButtonExit = null;

private JTextField jTextFieldUserName = null;

private JTextField jTextFieldPassWord = null;

// 登录用户名

static int storeUserId;

// 图片

public JLabel jLabel_Image = null;

// 登录用户名

public static String storeUserame = null;

// 登录密码

public static String storeUserPassword = null;

// 重新登陆标记

static boolean RELOAD = true;

private JLabel jLabelUserName = null;

private JLabel jLabelPassWord = null;

int index;

public LoginFrame() {

// 设置背景

setForeground(new Color(255, 255, 255));

this.setResizable(false);

this.setSize(800, 500);

this.setTitle("极客大学学生信息管理系统");

this.setLocationRelativeTo(null);

try {

UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");// 使用windows外观

} catch (Exception e) {

e.printStackTrace();

}

loginJLabel = new JLabel("极客大学学生信息管理系统");

Font font = new Font("微软雅黑",Font.BOLD,40);

loginJLabel.setFont(font);

loginJLabel.setBounds(180,100,650, 50);

loginJLabel.setForeground(Color.DARK_GRAY);

getContentPane().add(loginJLabel);

Font font2 = new Font("微软雅黑",Font.BOLD,15);

jLabelPassWord = new JLabel();

jLabelPassWord.setFont(font2);

jLabelPassWord.setBounds(new Rectangle(300, 250, 71, 29));

jLabelPassWord.setText("密 码：");

jLabelUserName = new JLabel();

jLabelUserName.setBounds(new Rectangle(300, 300, 71, 29));

jLabelUserName.setFont(font2);

jLabelUserName.setText("用户名：");

// 账号输入框

jTextFieldUserName = new JTextField(20);

jTextFieldUserName.setBounds(new Rectangle(360, 250, 154, 33));

// 密码输入框

jTextFieldPassWord = new JPasswordField();

jTextFieldPassWord.setBounds(new Rectangle(360, 300, 154, 33));

// 登录

jButtonLogin = new JButton();

jButtonLogin.setBounds(new Rectangle(320, 380, 78, 26));

jButtonLogin.setText("登录");

jButtonLogin.setUI(new BEButtonUI()

.setNormalColor(BEButtonUI.NormalColor.green));

// 回车登录

getRootPane().setDefaultButton(jButtonLogin);

// 退出

jButtonExit = new JButton();

jButtonExit.setUI(new BEButtonUI()

.setNormalColor(BEButtonUI.NormalColor.lightBlue));

jButtonExit.setBounds(new Rectangle(420, 380, 78, 26));

jButtonExit.setText("退出");

// 包含所有的元素

jContentPane = new JPanel();

jContentPane.setLayout(null);

jContentPane.add(jLabelUserName, null);

jContentPane.add(jLabelPassWord, null);

jContentPane.add(jButtonLogin, null);

jContentPane.add(jButtonExit, null);

jContentPane.add(jTextFieldUserName, null);

jContentPane.add(jTextFieldPassWord, null);

getContentPane().add(jContentPane);

jTextFieldUserName.addKeyListener(new KeyListener() {

@Override

public void keyPressed(KeyEvent e) {

}

@Override

public void keyReleased(KeyEvent e) {

}

@Override

public void keyTyped(KeyEvent e) {

if(e.getKeyChar() == KeyEvent.VK_ENTER){

jTextFieldPassWord.requestFocus();

}

}

});

jTextFieldPassWord.addKeyListener(new KeyListener() {

@Override

public void keyTyped(KeyEvent e) {

}

@Override

public void keyReleased(KeyEvent e) {

}

@Override

public void keyPressed(KeyEvent e) {

if(e.getKeyChar() == KeyEvent.VK_ENTER){

username = jTextFieldUserName.getText();

password = MD5Util.string2MD5(jTextFieldPassWord.getText());

User user = new User();

user.setUsername(username);

user.setPassword(password);

String s=user.getUsername();

String p=jTextFieldPassWord.getText();

UserDao userDao = new UserDao();

int choice = 0;

if(!userDao.checkUser(user)) {

JOptionPane.showMessageDialog(null, "用户名和密码错误","消息提示",JOptionPane.WARNING_MESSAGE);

}else {

setVisible(false);

MainMenuFrame MM = new MainMenuFrame();

uname = s;

pwd=p;

}

}

}

});

this.setDefaultCloseOperation(EXIT_ON_CLOSE);

this.setVisible(true);

// 添加监控

jTextFieldUserName.addActionListener(this);

jTextFieldPassWord.addActionListener(this);

jButtonLogin.addActionListener(this);

jButtonExit.addActionListener(this);

}

@Override

public void actionPerformed(ActionEvent e) {

// 获取账号和密码

username = jTextFieldUserName.getText();

password = MD5Util.string2MD5(jTextFieldPassWord.getText());

User user = new User();

user.setUsername(username);

user.setPassword(password);

String s = user.getUsername();

String p = jTextFieldPassWord.getText();

UserDao userDao = new UserDao();

int choice = 0;

if (e.getSource() == jButtonLogin) {

if (!userDao.checkUser(user)) {

JOptionPane.showMessageDialog(null, "用户名和密码错误", "消息提示", JOptionPane.WARNING_MESSAGE);

} else {

setVisible(false);

MainMenuFrame MM = new MainMenuFrame();

uname = s;

pwd = p;

}

} else if (e.getSource() == jButtonExit) {

System.exit(0);

}

}

// 测试

public static void main(String[] args) {

new LoginFrame();

}

}

<>MainMenuFrame.java

package com.sjsq.view;

import java.awt.Font;

import java.awt.Rectangle;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import org.jb2011.lnf.beautyeye.ch3_button.BEButtonUI;

/*

  • 登陆成功后主界面

*/

public class MainMenuFrame extends JFrame implements ActionListener{

private JFrame mainmenu;

private JTextArea text;

// 标题栏（关于）

private JMenuBar menuBar1;

private JMenuItem aboutSystem;

public MainMenuFrame() {

mainmenu();

}

public void mainmenu() {

mainmenu = new JFrame("极客大学学生管理系统");

setLocationRelativeTo(null);// 将容器显示在屏幕中央

mainmenu.setSize(850, 650);

mainmenu.getContentPane().add(new JScrollPane(text));

JPanel jContentPane = new JPanel();

jContentPane.setLayout(null);

// 查询学生按钮

JButton jButtonSelect = new JButton();

jButtonSelect.setBounds(new Rectangle(320, 100, 100, 52));

jButtonSelect.setText("查询学生");

jButtonSelect.setUI(new BEButtonUI()

.setNormalColor(BEButtonUI.NormalColor.lightBlue));

getRootPane().setDefaultButton(jButtonSelect);// 回车登录

// 添加学生按钮

JButton jButtonAdd = new JButton();

jButtonAdd.setUI(new BEButtonUI()

.setNormalColor(BEButtonUI.NormalColor.lightBlue));

jButtonAdd.setBounds(new Rectangle(320, 200, 100, 52));

jButtonAdd.setText("添加学生");

// 修改密码按钮

JButton jButtonAlterPwd = new JButton();

jButtonAlterPwd.setUI(new BEButtonUI()

.setNormalColor(BEButtonUI.NormalColor.lightBlue));

jButtonAlterPwd.setBounds(new Rectangle(320, 300, 100, 52));

jButtonAlterPwd.setText("密码修改");

// 退出系统按钮

JButton jButtonExit = new JButton();

jButtonExit.setUI(new BEButtonUI()

.setNormalColor(BEButtonUI.NormalColor.lightBlue));

jButtonExit.setBounds(new Rectangle(320, 400, 100, 52));

jButtonExit.setText("退出系统");

jContentPane.add(jButtonSelect, null);

jContentPane.add(jButtonAdd, null);

jContentPane.add(jButtonAlterPwd, null);

jContentPane.add(jButtonExit, null);

// 添加Label到Frame

mainmenu.getContentPane().add(jContentPane);

// 设置字体

Font font = new Font("微软雅黑",Font.BOLD,16);

// 标题栏

menuBar1 = new JMenuBar();

//aboutSystem = new JMenuItem("关于本系统",new ImageIcon("src/images/icons/about.png"));

aboutSystem = new JMenuItem("关于本系统");

aboutSystem.setMnemonic('H');

menuBar1.add(aboutSystem);

// 查询学生

jButtonSelect.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

System.out.println("------查询学生-----");

QueryStudentInfo queryStudentInfo = new QueryStudentInfo();

}

});

// 添加学生

jButtonAdd.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

System.out.println("------添加学生-----");

AddStudentInfo addStudentInfo = new AddStudentInfo();

}

});

// 修改密码

jButtonAlterPwd.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

System.out.println("------修改密码-----");

ModifyPasswordInfo modifyPasswordInfo = new ModifyPasswordInfo();

}

});

// 退出系统

jButtonExit.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

System.out.println("------退出系统-----");

System.exit(1);

}

});

// 关于系统

aboutSystem.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

System.out.println("------关于系统------");

AboutSystem aboutSystem = new AboutSystem();

}

});

// 关闭窗口监控

mainmenu.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent arg0) {

System.exit(1);

}

});

mainmenu.setJMenuBar(menuBar1);

mainmenu.setVisible(true);

mainmenu.setLocation(250, 50);

aboutSystem.addActionListener(this);

}

// 主函数测试

public static void main(String[] args) {

new MainMenuFrame();

}

@Override

public void actionPerformed(ActionEvent arg0) {

}

}

<>AboutSystem.java

package com.sjsq.view;

import javax.swing.*;

import java.awt.*;

public class AboutSystem extends JFrame{

private JLabel jlabel1,jlabel2;

private Font font;

public AboutSystem() {

//设置容器标题

setTitle("关于本系统");

//设置容器大小

setSize(600, 450);

//将容器显示在屏幕中央

setLocationRelativeTo(null);

AboutSystem();

//点击右上角的关闭，只关闭本窗口，不影响住窗口

setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);

//设置窗口可见

setVisible(true);

//设置窗口大小可以改变

setResizable(true);

}

private void AboutSystem() {

//以绝对布局的方式布局

setLayout(null);

font = new Font("楷体", Font.BOLD, 20);

jlabel1 = new JLabel("联系方式");

jlabel1.setBounds(230, 50, 150, 50);

jlabel1.setFont(font);

jlabel2 = new JLabel("QQ:3079118617");

jlabel2.setBounds(230, 100, 150, 50);

jlabel2.setFont(font);

add(jlabel1);

add(jlabel2);

}

public static void main(String[] args){

new AboutSystem();

}

}

<>QueryStudentInfo.java

package com.sjsq.view;

import java.awt.Color;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.sql.ResultSet;

import java.sql.ResultSetMetaData;

import java.sql.SQLException;

import java.util.List;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.JTextField;

import javax.swing.WindowConstants;

import javax.swing.table.DefaultTableCellRenderer;

import javax.swing.table.DefaultTableModel;

import org.jb2011.lnf.beautyeye.ch3_button.BEButtonUI;

import com.sjsq.controller.StudentController;

import com.sjsq.controller.impl.StudentControllerImpl;

import com.sjsq.dao.StudentDao;

import com.sjsq.model.Student;

@SuppressWarnings("serial")

public class QueryStudentInfo extends JFrame implements ActionListener {

private JScrollPane panel;

private JButton next, previous, first, last, query;

private JButton modifyBtn, deleteBtn, backBtn;

private JLabel studentId;

private JLabel studengName;

private JLabel studentSex;

private JLabel studentProvince;

private JTextField studentIdContent;

private JTextField studengNameContent;

private JTextField studentSexContent;

private JTextField studentProvinceContent;

private JLabel label1, label2; // 1.显示总页数和当前页数 2.每页显示数

private JTable table;

public int currentPage = 1; // 当前页

public int totalPage = 0; // 总页数

public int totalRowCount = 0; // 总行数

public int pageCount; // 每页显示数目

public int column = 0;

public int restCount; // 最后一页数目

public Object[][] resultData; // 结果集二维数组

// 声明下拉菜单数据

String[] array = { "20", "30", "40", "50", "60" };

JComboBox box = new JComboBox(array);// 将数组array放到下拉菜单中

// JTable表信息相关变量

public List students = Student.students;

public String[] columnNames = { "学号", "姓名", "性别", "学院", "专业", "生日", "省份", "电话", "邮箱" };

public DefaultTableModel model = null;// 默认的表格控制模型

// 窗体及表的建立

public QueryStudentInfo() {

super("学生信息查询统计");

this.setSize(1040, 680);

setLocationRelativeTo(null);// 将容器显示在屏幕中央

setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);// 点击右上角的关闭，只关闭本窗口，不影响住窗口

setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

// 设置窗口不可以改变

setResizable(false);

JLabel queryData;

Font font = new Font("微软雅黑", Font.CENTER_BASELINE, 10);

studentId = new JLabel("学号");

studentId.setBounds(100, 30, 40, 30);

studentId.setFont(font);

studentIdContent = new JTextField();

studentIdContent.setBounds(145, 30, 100, 30);

studengName = new JLabel("学生姓名");

studengName.setBounds(270, 30, 70, 30);

studengName.setFont(font);

studengNameContent = new JTextField();

studengNameContent.setBounds(341, 30, 100, 30);

// "姓名"，"性别"，"省份"

studentProvince = new JLabel("省份");

studentProvince.setBounds(100, 65, 40, 30);

studentProvince.setFont(font);

studentProvinceContent = new JTextField();

studentProvinceContent.setBounds(145, 65, 100, 30);

studentSex = new JLabel("学生性别");

studentSex.setBounds(270, 65, 70, 30);

studentSex.setFont(font);

studentSexContent = new JTextField();

studentSexContent.setBounds(341, 65, 100, 30);

query = new JButton("查询");

query.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.lightBlue));

query.setBounds(600, 30, 95, 30);

// query.setFont(font);

query.setForeground(Color.blue);

// 设置查询图标

//ImageIcon icon1 = new ImageIcon("src/images/query2.png");

//query.setIcon(icon1);

table = new JTable();

box.setBounds(890, 105, 100, 20);

label2 = new JLabel("每页显示条数:");

label2.setBounds(800, 93, 120, 50);

panel = new JScrollPane();// 设置滚动条

panel.setViewportView(table);

panel.setBounds(42, 136, 950, 420);

first = new JButton("第一页");

first.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.green));

first.setBounds(44, 570, 90, 30);

previous = new JButton("上一页");

previous.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.green));

previous.setBounds(164, 570, 90, 30);

next = new JButton("下一页");

next.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.green));

next.setBounds(284, 570, 90, 30);

last = new JButton("最后一页");

last.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.green));

last.setBounds(404, 570, 90, 30);

/*modifyBtn = new JButton("修改");

modifyBtn.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.green));

modifyBtn.setBounds(524, 570, 90, 30);

deleteBtn = new JButton("删除");

deleteBtn.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.red));

deleteBtn.setBounds(644, 570, 90, 30);

backBtn = new JButton("关闭");

backBtn.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.blue));

backBtn.setBounds(764, 570, 90, 30);*/

// 新的位置

modifyBtn = new JButton("修改");

modifyBtn.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.green));

modifyBtn.setBounds(200, 570, 90, 30);

deleteBtn = new JButton("删除");

deleteBtn.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.red));

deleteBtn.setBounds(400, 570, 90, 30);

backBtn = new JButton("关闭");

backBtn.setUI(new BEButtonUI().setNormalColor(BEButtonUI.NormalColor.blue));

backBtn.setBounds(600, 570, 90, 30);

/* 添加监听 */

previous.addActionListener(this);

next.addActionListener(this);

first.addActionListener(this);

last.addActionListener(this);

query.addActionListener(this);

// 返回

backBtn.addMouseListener(new MouseListener() {

@Override

public void mouseClicked(MouseEvent e) {

dispose();// 点击返回按钮，销毁当前窗口

}

@Override

public void mouseEntered(MouseEvent e) {

}

@Override

public void mouseExited(MouseEvent e) {

}

@Override

public void mousePressed(MouseEvent e) {

}

@Override

public void mouseReleased(MouseEvent e) {

}

});

// 修改

modifyBtn.addMouseListener(new MouseListener() {

@Override

public void mouseClicked(MouseEvent e) {

int selectedRowIndex = 7;

selectedRowIndex = table.getSelectedRow();

if (selectedRowIndex == -1) {

JOptionPane.showMessageDialog(null, "请在表格中选中一条数据", "消息提示", JOptionPane.WARNING_MESSAGE);

} else {

String sid = table.getValueAt(selectedRowIndex, 0).toString();

String sname = table.getValueAt(selectedRowIndex, 1).toString();

String ssex = table.getValueAt(selectedRowIndex, 2).toString();

String scollege = table.getValueAt(selectedRowIndex, 3).toString();

String smajor = table.getValueAt(selectedRowIndex, 4).toString();

String sbirthday = table.getValueAt(selectedRowIndex, 5).toString();

String sprovince = table.getValueAt(selectedRowIndex, 6).toString();

String sphone = table.getValueAt(selectedRowIndex, 7).toString();

String semail = table.getValueAt(selectedRowIndex, 8).toString();

EditStudentInfo editStudentInfo = new EditStudentInfo(sid, sname, ssex, scollege, smajor, sbirthday,

sprovince, sphone, semail);

}

}

@Override

public void mouseEntered(MouseEvent e) {

}

@Override

public void mouseExited(MouseEvent e) {

}

@Override

public void mousePressed(MouseEvent e) {

}

@Override

public void mouseReleased(MouseEvent e) {

}

});

deleteBtn.addMouseListener(new MouseListener() {

@Override

public void mouseClicked(MouseEvent e) {

System.out.println("------用户点击按钮------");

int selectedRowIndex = 7;

selectedRowIndex = table.getSelectedRow();

if (selectedRowIndex == -1) {

JOptionPane.showMessageDialog(null, "请在表格中选中一条数据", "消息提示", JOptionPane.WARNING_MESSAGE);

} else {

String sid = table.getValueAt(selectedRowIndex, 0).toString();

StudentController studentController = new StudentControllerImpl();

boolean flag = studentController.deleteStudentController(sid);

if (flag) {

JOptionPane.showMessageDialog(null, "删除学生信息成功", "消息提示", JOptionPane.QUESTION_MESSAGE);

} else {

JOptionPane.showMessageDialog(null, "删除学生信息失败", "消息提示", JOptionPane.WARNING_MESSAGE);

}

}

}

@Override

public void mouseEntered(MouseEvent e) {

}

@Override

public void mouseExited(MouseEvent e) {

}

@Override

public void mousePressed(MouseEvent e) {

}

@Override

public void mouseReleased(MouseEvent e) {

}

});

label1 = new JLabel();

label1.setBounds(420, 400, 180, 60);

this.getContentPane().setLayout(null);

// 获取内容面板，再对其加入组件，显示多少页

// this.getContentPane().add(box);

// 显示分页条数

//this.getContentPane().add(label2);

// 滚动条

this.getContentPane().add(panel);

// 分页

//this.getContentPane().add(previous);

//this.getContentPane().add(next);

//this.getContentPane().add(first);

//this.getContentPane().add(last);

this.getContentPane().add(label1);

this.getContentPane().add(studentId);

this.getContentPane().add(studentIdContent);

this.getContentPane().add(studengName);

this.getContentPane().add(studengNameContent);

//this.getContentPane().add(studentSex);

//this.getContentPane().add(studentSexContent);

//this.getContentPane().add(studentProvince);

//this.getContentPane().add(studentProvinceContent);

this.getContentPane().add(modifyBtn);

this.getContentPane().add(deleteBtn);

this.getContentPane().add(backBtn);

this.getContentPane().add(query);

this.setDefaultCloseOperation(HIDE_ON_CLOSE);

this.setLocationRelativeTo(null);

this.setVisible(true);

/* 从MySQL数据库中获取数据 */

try {

StudentDao commoditySaleDetailDao = new StudentDao();

ResultSet rs = commoditySaleDetailDao.queryAll();

ResultSetMetaData metaData;

metaData = rs.getMetaData();

int number = metaData.getColumnCount();

while (rs.next()) {

String sId = rs.getString(1);

String sName = rs.getString(2);

String sSex = rs.getString(3);

String sCollege = rs.getString(4);

String sMajor = rs.getString(5);

String sBirthday = rs.getString(6);

String sProvince = rs.getString(7);

String sPhone = rs.getString(8);

String sEmail = rs.getString(9);

Student s = new Student(sId, sName, sSex, sCollege, sMajor, sBirthday, sProvince, sPhone, sEmail);

Student.students.add(s);

}

} catch (SQLException ex) {

String[] options3 = { "新建MyTable数据表", "取消" };

int strength3 = JOptionPane.showOptionDialog(null, "表MyTable不存在!", "信息", JOptionPane.YES_OPTION,

JOptionPane.INFORMATION_MESSAGE, null, options3, options3[0]);

if (strength3 == javax.swing.JOptionPane.YES_OPTION) {

System.out.println("The Table not exsits.");

}

if (strength3 == javax.swing.JOptionPane.INFORMATION_MESSAGE) {

System.exit(0);

}

}

/**

  • 事件监听

*/

/* 下拉菜单事件监听 */

box.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

String Str = (String) box.getSelectedItem();

pageCount = Integer.parseInt(Str);

initTable();

System.out.println(pageCount);

}

});

}

/**

  • 获取下一页

*/

public int getNextPage() {

if (this.currentPage != this.totalPage) {

return ++currentPage;

}

return -1;

}

/**

  • 获取上一页

*/

public int getPreviousPage() {

if (this.currentPage != 1) {

return --currentPage;

}

return -1;

}

/**

  • 获取最后一页

*/

public int getLastPage() {

currentPage = totalPage;

return currentPage;

}

/**

  • 获取第一页

*/

public int getFirstPage() {

currentPage = 1;

return currentPage;

}

/**

  • 获取总页数

*/

public int getTotolPage() {

return this.totalPage;

}

/**

  • 获取当前页

*/

public int getCurrentPage() {

return this.currentPage;

}

/**

  • 获得原始数据集
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