实训第六天工作记录

今天我完成了设置学校信息窗口SetCollegeInfoFrame，修改用户密码窗口ChangePasswordFrame，浏览学生窗口BrowseStudentsFrame，编辑学生记录ditStudentFrame

1、
package net.tr.student.gui;
/**

• 22
  */

import net.tr.student.bean.College;
import net.tr.student.service.CollegeService;
import net.tr.student.service.impl.CollegeServiceImpl;

import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;

public class SetCollegeInfoFrame extends JFrame {
/**
* 面板
/
JPanel panel;
JPanel pnlNorth;
JPanel panel1;
JPanel panel2;
JPanel panel3;
JPanel panel4;
JPanel panel5;
JPanel pnlCenter;
JPanel pnlSouth;
/*
* 标签
/
JLabel lblName;
JLabel lblPresident;
JLabel lblStartTime;
JLabel lblTelephone;
JLabel lblEmail;
JLabel lblAddress;
JLabel lblProfile;
/*
* 按钮
/
JButton btnSave;
JButton btnExit;
/*
* 文本框与文本区
/
JTextField txtName;
JTextField txtPresident;
JTextField txtStartTime;
JTextField txtTelephone;
JTextField txtEmail;
JTextField txtAddress;
JTextArea txtProfile;
/*
* 滚动面板
/
JScrollPane scrollPane;
/*
* 学校服务
*/
private CollegeService collegeService;
private College college;
private int id = 1;

/**
 * 构造方法
 *
 * @param title
 */
public SetCollegeInfoFrame(String title){
    super(title);
    initGUI();
}
/**
 * 初始化用户界面
 */
private void initGUI(){
    //创建组件（面板与控件）
    panel = (JPanel) getContentPane();
    pnlNorth = new JPanel();
    panel1 = new JPanel();
    panel2 = new JPanel();
    panel3 = new JPanel();
    panel4= new JPanel();
    panel5 = new JPanel();
    pnlCenter = new JPanel();
    pnlSouth = new JPanel();

    lblName = new JLabel("学校名称：");
    lblPresident = new JLabel("校    长：");
    lblStartTime = new JLabel("建校时间：");
    lblTelephone = new JLabel("联系电话：");
    lblEmail = new JLabel("电子邮箱：");
    lblAddress = new JLabel("通讯地址：");
    lblProfile = new JLabel("学校简介：");

    txtName = new JTextField(30);
    txtPresident = new JTextField(11);
    txtStartTime = new JTextField(12);
    txtTelephone = new JTextField(11);
    txtEmail= new JTextField(12);
    txtAddress = new JTextField(30);
    txtProfile = new JTextArea(5,37);
    //让文本区自动换行
    txtProfile.setLineWrap(true);
    scrollPane = new JScrollPane(txtProfile,ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
            ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
    btnSave = new JButton("保存[S]");
    btnSave.setMnemonic(KeyEvent.VK_S);
    btnExit = new JButton("退出[X]");
    btnExit.setMnemonic(KeyEvent.VK_X);

    //设置大面板布局，将北面板，中面板与南面板添加到大面板
    panel.setLayout(new BorderLayout());
    panel.add(pnlNorth,"North");
    panel.add(pnlCenter,"Center");
    panel.add(pnlSouth,"South");

    //设置北面板布局，添加五个小面板
    pnlNorth.setLayout(new GridLayout(5,1));
    pnlNorth.add(panel1);
    pnlNorth.add(panel2);
    pnlNorth.add(panel3);
    pnlNorth.add(panel4);
    pnlNorth.add(panel5);

    //将控件依次添加到五个面板
    panel1.add(lblName);
    panel1.add(txtName);
    panel2.add(lblPresident);
    panel2.add(txtPresident);
    panel2.add(lblStartTime);
    panel2.add(txtStartTime);
    panel3.add(lblTelephone);
    panel3.add(txtTelephone);
    panel3.add(lblEmail);
    panel3.add(txtEmail);
    panel4.add(lblAddress);
    panel4.add(txtAddress);
    panel5.add(lblProfile);

    //将滚动面板添加到中面板
    pnlCenter.add(scrollPane);

    //将两个按钮添加到南面板
    pnlSouth.add(btnSave);
    pnlSouth.add(btnExit);

    //创建学校服务对象
    collegeService = new CollegeServiceImpl();
    //获取学校对象
    college = collegeService.findCollegeById(id);
    //利用学校对象属性值设置相应控件的内容
    txtName.setText(college.getName());
    txtPresident.setText(college.getPresident());
    txtStartTime.setText(college.getStartTime().toString());
    txtTelephone.setText(college.getTelephone());
    txtEmail.setText(college.getEmail());
    txtAddress.setText(college.getAddress());
    txtProfile.setText(college.getProfile());

    //设置窗口尺寸
    setSize(450, 350);
    //设置窗口屏幕居中
    setLocationRelativeTo(null);
    //设置窗口不可调整大小
    setResizable(false);
    //设置窗口刚好容纳组件
    pack();
    //设置窗口标题
    setTitle("设置学校信息");
    //设置窗口可见
    setVisible(true);
    //设置窗口默认关闭操作
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //关闭按钮单击事件处理
    btnExit.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent event) {
            //关闭窗口
            dispose();
        }
    });
    //保存按钮单击事件处理
    btnSave.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent event) {
            try {
                //修改学校属性
                college.setName(txtName.getText());
                college.setPresident(txtPresident.getText());
                college.setStartTime(new Timestamp(
                        new SimpleDateFormat("yyyy-MM-dd")
                            .parse(txtStartTime.getText().toString()).getTime()));
                college.setTelephone(txtTelephone.getText());
                college.setEmail(txtEmail.getText());
                college.setAddress(txtAddress.getText());
                college.setProfile(txtProfile.getText());

                //更新学校信息
                collegeService.updateCollege(college);
                //提示用户更新成功
                JOptionPane.showMessageDialog(null,"更新数据成功！");
            } catch (ParseException e1) {
                //提示用户更新失败
                JOptionPane.showMessageDialog(null,"更新数据失败！");

            }
        }
    });
}
public static void main(String[] args){
    new SetCollegeInfoFrame("");
}

}
2、
package net.tr.student.gui;
/**

• 22
  */

import net.tr.student.app.Application;
import net.tr.student.bean.User;
import net.tr.student.service.UserService;
import net.tr.student.service.impl.UserServiceImpl;

import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

public class ChangePasswordFrame extends JFrame {
/**
* 面板
/
private JPanel panel;
private JPanel pnlRow1;
private JPanel pnlRow2;
private JPanel pnlRow3;
private JPanel pnlRow4;
private JPanel pnlRow5;
/*
* 标签
*/
private JLabel lblUsername;
private JLabel lblPassword;
private JLabel lblNewPassword1;
private JLabel lblNewPassword2;

/**
 * 文本框
 */
private JTextField txtUsername;
private JPasswordField txtPassword;
private JPasswordField txtNewPassword1;
private JPasswordField txtNewPassword2;
/**
 * 按钮
 */
private JButton btnOK;
private JButton btnCancel;
/**
 * 用户服务对象
 */
private UserService userService;

public ChangePasswordFrame(String title){
    super(title);
    initGUI();
}
/**
 * 初始化用户界面
 */
private void initGUI(){
    //创建组件（面板与控件）
    panel = (JPanel) getContentPane();
    pnlRow1 = new JPanel();
    pnlRow2 = new JPanel();
    pnlRow3 = new JPanel();
    pnlRow4 = new JPanel();
    pnlRow5 = new JPanel();

    lblUsername = new JLabel("用户名：");
    lblPassword = new JLabel("旧密码：");
    lblNewPassword1 = new JLabel("新密码：");
    lblNewPassword2 = new JLabel("确 认：");


    txtUsername = new JTextField(20);
    txtUsername.setEditable(false);
    txtPassword = new JPasswordField(20);
    txtNewPassword1 = new JPasswordField(20);
    txtNewPassword2 = new JPasswordField(20);

    btnOK = new JButton("确定[O]");
    btnOK.setMnemonic(KeyEvent.VK_O);
    btnCancel = new JButton("取消[C]");
    btnCancel.setMnemonic(KeyEvent.VK_C);

    //设置大面板布局，添加五个小面板
    panel.setLayout(new GridLayout(5,1));
    panel.add(pnlRow1);
    panel.add(pnlRow2);
    panel.add(pnlRow3);
    panel.add(pnlRow4);
    panel.add(pnlRow5);
    //将控件添加到五个小面板
    pnlRow1.add(lblUsername);
    pnlRow1.add(txtUsername);
    pnlRow2.add(lblPassword);
    pnlRow2.add(txtPassword);
    pnlRow3.add(lblNewPassword1);
    pnlRow3.add(txtNewPassword1);
    pnlRow4.add(lblNewPassword2);
    pnlRow4.add(txtNewPassword2);
    pnlRow5.add(btnOK);
    pnlRow5.add(btnCancel);

    //设置窗口不可调整大小
    setResizable(false);
    //设置窗口刚好容纳组件
    pack();
    //设置窗口屏幕居中
    setLocationRelativeTo(null);
    //设置窗口标题
    setTitle("修改用户密码");
    //设置窗口可见
    setVisible(true);
    //设置窗口默认关闭操作
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //设置控件属性
    txtUsername.setEditable(false);
    txtUsername.setText(Application.username);

    //取消按钮单击事件处理
    btnCancel.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            dispose();
        }
    });
    //确定按钮单击事件处理
    btnOK.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            changePassword();
        }
    });
    //确定按钮按键事件处理
    btnOK.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == 10){
                changePassword();
            }
        }
    });
    //用户名文本框按键事件处理
    txtUsername.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER){
                txtPassword.requestFocus();
            }
        }
    });
    //新密码1文本框按键事件处理
    txtNewPassword1.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER){
                txtNewPassword2.requestFocus();
            }
        }
    });
    //新密码2文本框按键事件处理
    txtNewPassword2.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() ==KeyEvent.VK_ENTER){
                btnOK.requestFocus();
            }
        }
    });
}
private  void changePassword(){
    //获取用户信息
    int id = Application.id;
    String username = Application.username;

    //保存用户输入的旧密码与两个新密码
    String password = new String(txtPassword.getPassword());
    String newPassword1 = new String(txtNewPassword1.getPassword());
    String newPassword2 = new String(txtNewPassword1.getPassword());

    //创建学生服务对象
    userService = new UserServiceImpl();

    if (userService.login(username,password)== null) {
        JOptionPane.showMessageDialog(null, "旧密码错误，请重新输入！", "错误提示", JOptionPane.ERROR_MESSAGE);
        txtPassword.requestFocus();
        txtPassword.selectAll();
    }else if(newPassword1.equals("")) {
        JOptionPane.showMessageDialog(null, "新密码不能为空！", "错误提示", JOptionPane.ERROR_MESSAGE);
        txtNewPassword1.requestFocus();
    }else if (newPassword2.equals("")) {
        JOptionPane.showMessageDialog(null, "确认密码不能为空！", "错误提示", JOptionPane.ERROR_MESSAGE);
        txtNewPassword2.requestFocus();
    }else  if (!newPassword1.equals(newPassword2)) {
        JOptionPane.showMessageDialog(null, "两次密码不一致，请重新输入！", "错误提示", JOptionPane.ERROR_MESSAGE);
        txtNewPassword1.setText("");
        txtNewPassword2.setText("");
        txtNewPassword1.requestFocus();
    }else {
        //按标识符获取用户
        User user = userService.findUserById(id);
        //修改用户的密码属性
        user.setPassword(newPassword1);
        //调用用户服务对象的更新方法，更新用户信息
        int count = userService.updateUser(user);
        if (count > 0) {
            JOptionPane.showMessageDialog(null, "密码修改成功！", "设置密码", JOptionPane.INFORMATION_MESSAGE);
            dispose();
        }else {
            JOptionPane.showMessageDialog(null,"密码修改失败！","设置密码",JOptionPane.WARNING_MESSAGE);
        }
    }
}
public static void main(String[] args){
    Application.id = 1;
    Application.username = "李刚";
    new ChangePasswordFrame("");
}

}

3、

package net.tr.student.gui;
/**

• 22
  */

import net.tr.student.bean.Student;
import net.tr.student.service.StudentService;
import net.tr.student.service.impl.StudentServiceImpl;

import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.List;

public class BrowseStudentsFrame extends JFrame {

/**
 * 声明面板
 */
private JPanel panel;
private  JPanel pnlCenter;
private JPanel pnlRow1;
private JPanel pnlRow2;
private JPanel pnlRow3;
private JPanel pnlRow4;
private JPanel pnlRow5;
private JPanel pnlRow6;
private JPanel pnlRow7;
private JPanel pnlSouth;
/**
 * 声明标签
 */
private JLabel lblId;
private JLabel lblName;
private JLabel lblSex;
private JLabel lblAge;
private JLabel lblDepartment;
private JLabel lblClass;
private JLabel lblTelephone;
/**
 * 声明文本框
 */
private JTextField txtId;
private JTextField txtName;
private JTextField txtSex;
private JTextField txtAge;
private JTextField txtDepartment;
private JTextField txtClass;
private JTextField txtTelephone;
/**
 * 声明按钮
 */
private JButton btnTop;
private JButton btnPrevious;
private JButton btnNext;
private JButton btnBottom;
private JButton btnExit;
/**
 * 当前记录行号
 */
private int currentRow;
/**
 * 学生列表
 */
private List students;
/**
 * 创建学生服务对象
 */
StudentService studentService;

public BrowseStudentsFrame(String title){
    super(title);
    intiGUI();
}
/**
 * 初始化用户界面
 */
private void intiGUI(){
    //创建组件
    panel = (JPanel) getContentPane();
    pnlCenter = new JPanel();
    pnlSouth = new JPanel();

    pnlRow1 = new JPanel();
    pnlRow2 = new JPanel();
    pnlRow3 = new JPanel();
    pnlRow4 = new JPanel();
    pnlRow5 = new JPanel();
    pnlRow6 = new JPanel();
    pnlRow7 = new JPanel();

    pnlRow1.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow2.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow3.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow4.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow5.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow6.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow7.setLayout(new FlowLayout(FlowLayout.LEFT));

    lblId = new JLabel("学号：");
    lblName = new JLabel("姓名：");
    lblSex = new JLabel("性别：");
    lblAge= new JLabel("年龄：");
    lblDepartment = new JLabel("系部：");
    lblClass= new JLabel("班级：");
    lblTelephone = new JLabel("电话：");

    txtId = new JTextField(40);
    txtName= new JTextField(40);
    txtSex = new JTextField(40);
    txtAge = new JTextField(40);
    txtDepartment = new JTextField(40);
    txtClass = new JTextField(40);
    txtTelephone = new JTextField(40);
    txtId.setEditable(false);
    txtName.setEditable(false);
    txtSex.setEditable(false);
    txtAge.setEditable(false);
    txtDepartment.setEditable(false);
    txtClass.setEditable(false);
    txtTelephone.setEditable(false);

    btnTop = new JButton("第一条[T]");
    btnPrevious = new JButton("上一条[P]");
    btnNext = new JButton("下一条[N]");
    btnBottom = new JButton("最后一条[B]");
    btnExit = new JButton("退出[X]");
    btnTop.setMnemonic(KeyEvent.VK_T);
    btnPrevious.setMnemonic(KeyEvent.VK_T);
    btnNext.setMnemonic(KeyEvent.VK_N);
    btnBottom.setMnemonic(KeyEvent.VK_B);
    btnExit.setMnemonic(KeyEvent.VK_X);

    //添加主键
    panel.setLayout(new BorderLayout());
    panel.add(pnlCenter,BorderLayout.CENTER);
    panel.add(pnlSouth,BorderLayout.SOUTH);
    pnlCenter.setLayout(new GridLayout(7,1));

    pnlCenter.add(pnlRow1);
    pnlCenter.add(pnlRow2);
    pnlCenter.add(pnlRow3);
    pnlCenter.add(pnlRow4);
    pnlCenter.add(pnlRow5);
    pnlCenter.add(pnlRow6);
    pnlCenter.add(pnlRow7);

    pnlRow1.add(lblId);
    pnlRow1.add(txtId);
    pnlRow2.add(lblName);
    pnlRow2.add(txtName);
    pnlRow3.add(lblSex);
    pnlRow3.add(txtSex);
    pnlRow4.add(lblAge);
    pnlRow4.add(txtAge);
    pnlRow5.add(lblDepartment);
    pnlRow5.add(txtDepartment);
    pnlRow6.add(lblClass);
    pnlRow6.add(txtClass);
    pnlRow7.add(lblTelephone);
    pnlRow7.add(txtTelephone);

    pnlSouth.add(btnTop);
    pnlSouth.add(btnPrevious);
    pnlSouth.add(btnNext);
    pnlSouth.add(btnBottom);
    pnlSouth.add(btnExit);

    //设置窗口属性
    setSize(500,300);
    //设置窗口不可调整大小
    setResizable(false);
    //设置窗口刚好容纳组件
    pack();
    //设置窗口屏幕居中
    setLocationRelativeTo(null);
    //设置窗口可见
    setVisible(true);
    //设置窗口默认关闭操作
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //创建学生服务对象
    studentService = new StudentServiceImpl();
    //获取全部学生列表
    students = studentService.findAllStudents();
    //判断是否有学生记录
    if (students.size()>0) {
        //设置当前记录号
        currentRow = 1;
        //设置窗口标题
        setTitle("浏览学生表记录" + "&& 当前记录：" + currentRow);
        //填充窗口各文本框数据
        fillFrameData(currentRow);
    }else {
        JOptionPane.showMessageDialog(null,"表中没有记录","浏览学生表记录",JOptionPane.ERROR_MESSAGE);
        btnTop.setEnabled(false);
        btnPrevious.setEnabled(false);
        btnNext.setEnabled(false);
        btnBottom.setEnabled(false);
    }
    //第一条按钮单击事件
    btnTop.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            //设置当前记录号
            currentRow = 1;
            //填充当前记录数据
            fillFrameData(currentRow);
        }
    });
    //上一条按钮单击事件
    btnPrevious.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            if (currentRow>1) {
                //设置当前记录号
                currentRow--;
                //填充当前记录数据
                fillFrameData(currentRow);
            }else{
                JOptionPane.showMessageDialog(null,"已到第一条记录","浏览学生表记录!",JOptionPane.WARNING_MESSAGE);

            }
        }
    });
    //下一条按钮单击事件
    btnNext.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            if (currentRow < students.size() -1) {
                //设置当前记录号
                currentRow++;
                //填充当前记录数据
                fillFrameData(currentRow);
            }else {
                JOptionPane.showMessageDialog(null,"已到最后一条记录","浏览学生表记录!",JOptionPane.WARNING_MESSAGE);
            }
        }
    });
    //最后一条按钮单击事件
    btnBottom.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            //设置当前记录号
            currentRow = students.size()-1;
            //填充当前记录数据
            fillFrameData(currentRow);
        }
    });
    //退出按钮单击事件
    btnExit.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            dispose();
        }
    });
}
private  void fillFrameData(int currentRow) {
    if (currentRow > 0) {
        setTitle("浏览学生表记录" + "&& 当前记录" + currentRow);
        txtId.setText(students.get(currentRow).getId());
        txtName.setText(students.get(currentRow).getName());
        txtSex.setText(students.get(currentRow).getSex());
        txtAge.setText(students.get(currentRow).getAge() + "");
        txtDepartment.setText(students.get(currentRow).getDepartment());
        txtClass.setText(students.get(currentRow).getClazz());
        txtTelephone.setText(students.get(currentRow).getTelephone());

    }
}
public static void main(String[] args){
    new BrowseStudentsFrame("");
}

}
4、package net.tr.student.gui;
/**

• 包名：net.tr.student.gui;
• 类名：EditStudentFrame
• 描述：编辑学生记录
• 作者：唐蓉
• 日期：2019年6月22日
  */
  import jdk.nashorn.internal.scripts.JO;
  import net.tr.student.bean.Student;
  import net.tr.student.service.StudentService;
  import net.tr.student.service.impl.StudentServiceImpl;

import javax.swing.;
import java.awt.;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class EditStudentFrame extends JFrame {
/**
* 声明面板
/
private JPanel panel;
private JPanel pnlCenter;
private JPanel pnlRow1;
private JPanel pnlRow2;
private JPanel pnlRow3;
private JPanel pnlRow4;
private JPanel pnlRow5;
private JPanel pnlRow6;
private JPanel pnlRow7;
private JPanel pnlSouth;
private JPanel pnlSouth1;
private JPanel pnlSouth2;
/*
* 声明标签
/
private JLabel lblId;
private JLabel lblName;
private JLabel lblSex;
private JLabel lblAge;
private JLabel lblDepartment;
private JLabel lblClass;
private JLabel lblTelephone;
/*
* 声明文本框
/
private JTextField txtId;
private JTextField txtName;
private JTextField txtSex;
private JTextField txtAge;
private JTextField txtDepartment;
private JTextField txtClass;
private JTextField txtTelephone;
/*
* 声明按钮
/
private JButton btnTop;
private JButton btnPrevious;
private JButton btnNext;
private JButton btnBottom;
private JButton btnExit;
private JButton btnEdit;
private JButton btnOK;
private JButton btnCancel;
/*
* 当前记录行号
/
private int currentRow;
/*
* 学生列表
/
private List students;
/*
* 创建学生服务对象
*/
StudentService studentService;

public EditStudentFrame(String title){
    super(title);
    initGUI();
}
/**
 * 初始化界面
 */
private void initGUI(){
    //创建组件
    panel = (JPanel) getContentPane();
    pnlCenter = new JPanel();
    pnlSouth = new JPanel();
    pnlSouth.setLayout(new GridLayout(2,1));


    pnlRow1 = new JPanel();
    pnlRow2 = new JPanel();
    pnlRow3 = new JPanel();
    pnlRow4 = new JPanel();
    pnlRow5 = new JPanel();
    pnlRow6 = new JPanel();
    pnlRow7 = new JPanel();
    pnlSouth1 = new JPanel();
    pnlSouth2 = new JPanel();

    pnlRow1.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow2.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow3.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow4.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow5.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow6.setLayout(new FlowLayout(FlowLayout.LEFT));
    pnlRow7.setLayout(new FlowLayout(FlowLayout.LEFT));

    lblId = new JLabel("学号：");
    lblName = new JLabel("姓名：");
    lblSex = new JLabel("性别：");
    lblAge= new JLabel("年龄：");
    lblDepartment = new JLabel("系部：");
    lblClass= new JLabel("班级：");
    lblTelephone = new JLabel("电话：");

    txtId = new JTextField(40);
    txtName= new JTextField(40);
    txtSex = new JTextField(40);
    txtAge = new JTextField(40);
    txtDepartment = new JTextField(40);
    txtClass = new JTextField(40);
    txtTelephone = new JTextField(40);
    txtId.setEditable(false);
    txtName.setEditable(false);
    txtSex.setEditable(false);
    txtAge.setEditable(false);
    txtDepartment.setEditable(false);
    txtClass.setEditable(false);
    txtTelephone.setEditable(false);

    btnTop = new JButton("第一条[T]");
    btnPrevious = new JButton("上一条[P]");
    btnNext = new JButton("下一条[N]");
    btnBottom = new JButton("最后一条[B]");
    btnExit = new JButton("退出[X]");
    btnEdit = new JButton("编辑[E]");
    btnOK = new JButton("确定[O]");
    btnCancel = new JButton("取消[C]");
    btnOK.setEnabled(false);
    btnCancel.setEnabled(false);
    btnTop.setMnemonic(KeyEvent.VK_T);
    btnPrevious.setMnemonic(KeyEvent.VK_P);
    btnNext.setMnemonic(KeyEvent.VK_N);
    btnBottom.setMnemonic(KeyEvent.VK_B);
    btnExit.setMnemonic(KeyEvent.VK_X);
    btnEdit.setMnemonic(KeyEvent.VK_E);
    btnOK.setMnemonic(KeyEvent.VK_O);
    btnCancel.setMnemonic(KeyEvent.VK_C);

    //添加组件
    panel.setLayout(new BorderLayout());
    panel.add(pnlCenter,BorderLayout.CENTER);
    panel.add(pnlSouth,BorderLayout.SOUTH);
    pnlCenter.setLayout(new GridLayout(7,1));

    pnlCenter.add(pnlRow1);
    pnlCenter.add(pnlRow2);
    pnlCenter.add(pnlRow3);
    pnlCenter.add(pnlRow4);
    pnlCenter.add(pnlRow5);
    pnlCenter.add(pnlRow6);
    pnlCenter.add(pnlRow7);

    pnlRow1.add(lblId);
    pnlRow1.add(txtId);
    pnlRow2.add(lblName);
    pnlRow2.add(txtName);
    pnlRow3.add(lblSex);
    pnlRow3.add(txtSex);
    pnlRow4.add(lblAge);
    pnlRow4.add(txtAge);
    pnlRow5.add(lblDepartment);
    pnlRow5.add(txtDepartment);
    pnlRow6.add(lblClass);
    pnlRow6.add(txtClass);
    pnlRow7.add(lblTelephone);
    pnlRow7.add(txtTelephone);

    pnlSouth.add(pnlSouth1);
    pnlSouth.add(pnlSouth2);
    pnlSouth1.add(btnTop);
    pnlSouth1.add(btnPrevious);
    pnlSouth1.add(btnNext);
    pnlSouth1.add(btnBottom);
    pnlSouth1.add(btnExit);
    pnlSouth2.add(btnEdit);
    pnlSouth2.add(btnOK);
    pnlSouth2.add(btnCancel);

    //设置窗口属性
    setSize(500,300);
    //设置窗口不可调整大小
    setResizable(false);
    //设置窗口刚好容纳组件
    pack();
    //设置窗口屏幕居中
    setLocationRelativeTo(null);
    //设置窗口可见
    setVisible(true);
    //设置窗口默认关闭操作
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //创建学生服务对象
    studentService = new StudentServiceImpl();
    //获取全部学生列表
    students = studentService.findAllStudents();
    //判断是否有学生记录
    if (students.size()>0) {
        //设置当前记录号
        currentRow = 1;
        //设置窗口标题
        setTitle("浏览学生表记录" + "&& 当前记录：" + currentRow);
        //填充窗口各文本框数据
        fillFrameData(currentRow);
    }else {
        JOptionPane.showMessageDialog(null,"表中没有记录！","浏览学生表记录",JOptionPane.ERROR_MESSAGE);
        btnTop.setEnabled(false);
        btnPrevious.setEnabled(false);
        btnNext.setEnabled(false);
        btnBottom.setEnabled(false);
    }
    //第一条按钮单击事件
    btnTop.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            //设置当前记录号
            currentRow = 1;
            //填充当前记录数据
            fillFrameData(currentRow);
        }
    });
    //上一条按钮单击事件
    btnPrevious.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            if (currentRow>1) {
                //设置当前记录号
                currentRow--;
                //填充当前记录数据
                fillFrameData(currentRow);
            }else{
                JOptionPane.showMessageDialog(null,"已到第一条记录","浏览学生表记录!",JOptionPane.WARNING_MESSAGE);

            }
        }
    });
    //下一条按钮单击事件
    btnNext.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            if (currentRow < students.size() - 1) {
                //设置当前记录号
                currentRow++;
                //填充当前记录数据
                fillFrameData(currentRow);
            }else {
                JOptionPane.showMessageDialog(null,"已到最后一条记录","浏览学生表记录!",JOptionPane.WARNING_MESSAGE);
            }
        }
    });
    //最后一条按钮单击事件
    btnBottom.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            //设置当前记录号
            currentRow = students.size()-1;
            //填充当前记录数据
            fillFrameData(currentRow);
        }
    });
    //退出按钮单击事件
    btnExit.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            dispose();
        }
    });
    //编辑按钮单击事件
    btnEdit.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            //设置窗口标题
            setTitle("编辑学生表记录" + "&& 当前记录" + currentRow);

            txtName.setEditable(true);
            txtSex.setEditable(true);
            txtAge.setEditable(true);
            txtDepartment.setEditable(true);
            txtClass.setEditable(true);
            txtTelephone.setEditable(true);
            btnOK.setEnabled(true);
            btnCancel.setEnabled(true);
        }
    });
    //确定按钮单击事件
    btnOK.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            //获取当前学生实体
            Student student = students.get(currentRow);
            if (isNumber(txtAge.getText())) {
                if (isLegalTelephone(txtTelephone.getText())) {
                    //修改学生实体属性
                    student.setName(txtName.getText());
                    student.setSex(txtSex.getText());
                    student.setAge(Integer.parseInt(txtAge.getText()));
                    student.setDepartment(txtDepartment.getText());
                    student.setClazz(txtClass.getText());
                    student.setTelephone(txtTelephone.getText());
                    //更新学生记录
                    int count = studentService.updateStudent(student);
                    //判断是否更新成功
                    if (count > 0) {
                        JOptionPane.showMessageDialog(null, "更新记录成功！", "编辑学生记录", JOptionPane.INFORMATION_MESSAGE);
                        btnOK.setEnabled(false);
                        btnCancel.setEnabled(false);
                        btnEdit.setEnabled(true);
                        txtName.setEditable(false);
                        txtSex.setEditable(false);
                        txtAge.setEditable(false);
                        txtDepartment.setEditable(false);
                        txtClass.setEditable(false);
                        txtTelephone.setEditable(false);
                        //重新获取全部学生列表
                        students = studentService.findAllStudents();
                        //设置窗口标题
                        setTitle("浏览学生表记录" + "&& 当前记录" + currentRow);
                    } else {
                        JOptionPane.showMessageDialog(null, "更新记录失败！", "编辑学生记录", JOptionPane.ERROR_MESSAGE);
                    }
                } else {
                    JOptionPane.showMessageDialog(null, "非法手机号！", "编辑学生记录", JOptionPane.ERROR_MESSAGE);
                    txtTelephone.selectAll();
                    txtTelephone.requestFocus();
                }
            }else {
                JOptionPane.showMessageDialog(null, "年龄必须是数字！", "编辑学生记录", JOptionPane.ERROR_MESSAGE);
                txtAge.selectAll();
                txtAge.requestFocus();
            }
        }
    });
    //取消按钮单击事件
    btnCancel.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            btnOK.setEnabled(false);
            btnCancel.setEnabled(false);
            btnEdit.setEnabled(true);
            txtName.setEditable(false);
            txtSex.setEditable(false);
            txtAge.setEditable(false);
            txtDepartment.setEditable(false);
            txtClass.setEditable(false);
            txtTelephone.setEditable(false);
            //恢复文本框修改前的值
            txtName.setText(students.get(currentRow).getName());
            txtSex.setText(students.get(currentRow).getSex());
            txtAge.setText(students.get(currentRow).getAge() + "");
            txtDepartment.setText(students.get(currentRow).getDepartment());
            txtClass.setText(students.get(currentRow).getClazz());
            txtTelephone.setText(students.get(currentRow).getTelephone());
        }
    });
    //学号文本框按键事件
    txtId.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER){
                txtName.requestFocus();
        }
        }
    });
    //姓名文本框按键事件
    txtName.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                txtSex.requestFocus();
            }
        }
    });
    //性别文本框按键事件
    txtSex.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                txtAge.requestFocus();
            }
        }
    });
    //年龄文本框按键事件
    txtAge.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                txtDepartment.requestFocus();
            }
        }
    });
    //系部文本框按键事件
    txtDepartment.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                txtClass.requestFocus();
            }
        }
    });
    //班级文本框按键事件
    txtClass.addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                txtTelephone.requestFocus();
            }
        }
    });
}
private void fillFrameData(int currentRow){
    if (currentRow > 0){
        setTitle("浏览学生表记录" + "&& 当前记录"+currentRow);
        txtId.setText(students.get(currentRow).getId());
        txtName.setText(students.get(currentRow).getName());
        txtSex.setText(students.get(currentRow).getSex());
        txtAge.setText(students.get(currentRow).getAge() + "");
        txtDepartment.setText(students.get(currentRow).getDepartment());
        txtClass.setText(students.get(currentRow).getClazz());
        txtTelephone.setText(students.get(currentRow).getTelephone());
    }
}
//判断一个字符串是否全是数字
private boolean isNumber(String str){
    for (int i = 0; i < str.length();i++){
        if (str.charAt(i) < '0'|| str.charAt(i) > '9'){
            return  false;
        }
    }
    return true;
}
private boolean isLegalTelephone(String telephone){
    Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0-9]))\\d{8}$");
    Matcher m = p.matcher(telephone);
    return m.matches();
}
public static void main(String[] args){

    new EditStudentFrame("");
}

}