实训第五天

原创 于 2019-07-04 15:18:53 发布 · 163 阅读 · 0 ·
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创建设置学校信息窗口SetCollegeInfoFrame

package net.xmh.student.gui;

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

import javax.swing.;
import java.awt.;
import java.awt.event.*;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;

/**

  • 功能：设置学校信息

  • 作者：ygf

  • 日期：2019年6月21日
    /
    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);
      txtProfile.setLineWrap(true);// 让文本区自动换行
      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小面板
      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());

      // 设置窗口大小
      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 {
      // 修改学校对象属性
      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 e) {
      // 提示用户更新失败
      JOptionPane.showMessageDialog(null, “更新数据失败！”);
      }
      }
      });
      }

    /**

    • 主方法
    • @param args
      */
      public static void main(String[] args) {
      new SetCollegeInfoFrame("");
      }
      }
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      运行结果为：

创建修改用户密码窗口ChangePasswordFrame

package net.xmh.student.gui;

import javax.swing.*;
import net.xmh.student.bean.app.Application;
import net.xmh.student.bean.User;
import net.xmh.student.service.UserService;
import net.xmh.student.service.impl.UserServiceImpl;

import java.awt.;
import java.awt.event.;

/**

  • 功能：修改用户密码

  • 作者：ygf

  • 日期：2019年6月21日
    /
    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;

    /**

    • 构造方法
    • @param title
      */
      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();
      }
      }
      });

      // 【密码】文本框按键事件处理
      txtPassword.addKeyListener(new KeyAdapter() {
      @Override
      public void keyPressed(KeyEvent e) {
      if (e.getKeyCode() == KeyEvent.VK_ENTER) {
      txtNewPassword1.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();
      }
      }
      });
      }

    /**

    • 修改密码方法
      */
      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(txtNewPassword2.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);
      }
      }
      }

    /**

    • 主方法
    • @param args
      */
      public static void main(String[] args) {
      Application.id = 1;
      Application.username = “李刚”;
      new ChangePasswordFrame("");
      }
      }

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运行结果为：

浏览学生窗口BrowseStudentsFrame

package net.xmh.student.gui;

import javax.swing.*;
import net.xmh.student.bean.Student;
import net.xmh.student.service.StudentService;
import net.xmh.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;

/**

  • 功能：浏览学生记录

  • 作者:ygf

  • 日期：2019年6月21日
    /
    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;

    /**

    • 构造方法
    • @param title
      */
      public BrowseStudentsFrame(String title) {
      super(title);
      initGUI();
      }

    /**

    • 初始化用户界面
      */
      private void initGUI() {
      // 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_P);
      btnNext.setMnemonic(KeyEvent.VK_N);
      btnBottom.setMnemonic(KeyEvent.VK_B);
      btnExit.setMnemonic(KeyEvent.VK_X);

      // 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(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();
 }

      });
      }

    /**

    • 将当前记录数据填充窗口各文本框
    • @param currentRow
      */
      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());
      }
      }

    /**

    • 主方法
    • @param args
      */
      public static void main(String[] args) {
      new BrowseStudentsFrame("");
      }
      }

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运行结果为：

添加学生窗口AddStudentFrame

package net.xmh.student.gui;

import javax.swing.*;
import net.xmh.student.bean.Student;
import net.xmh.student.service.StudentService;
import net.xmh.student.service.impl.StudentServiceImpl;

import java.awt.;
import java.awt.event.;
import java.util.List;

/**

  • 功能：添加学生记录

  • 作者：ygf

  • 日期：2019年6月21日
    /
    public class AddStudentFrame 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 btnExit;
      private JButton btnOK;
      private JButton btnCancel;
      /      *
    • 当前记录行号
      /
      private int currentRow;
      /      *
    • 学生列表
      */
      private List students;

    /**

    • 构造方法
    • @param title
      */
      public AddStudentFrame(String title) {
      super(title);
      initGUI();
      }

    /**

    • 初始化用户界面
      */
      private void initGUI() {
      // 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(20);
      txtName = new JTextField(20);
      txtSex = new JTextField(20);
      txtAge = new JTextField(20);
      txtDepartment = new JTextField(20);
      txtClass = new JTextField(20);
      txtTelephone = new JTextField(20);
      btnOK = new JButton(“确定[O]”);
      btnCancel = new JButton(“取消[C]”);
      btnExit = new JButton(“退出[X]”);
      btnOK.setMnemonic(KeyEvent.VK_O);
      btnCancel.setMnemonic(KeyEvent.VK_C);
      btnExit.setMnemonic(KeyEvent.VK_X);

      // 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(btnOK);
      pnlSouth.add(btnCancel);
      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);
      // 设置窗口标题
      setTitle(“添加学生记录”);
      // 设置窗口可见
      setVisible(true);
      // 设置窗口默认关闭操作
      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      // 【确定】按钮单击事件
      btnOK.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
      // 学号非空校验
      if (txtId.getText().trim().equals("")) {
      JOptionPane.showMessageDialog(null, “学号不能为空！”, “增加学生记录”, JOptionPane.WARNING_MESSAGE);
      txtId.requestFocus();
      return;
      }

           // 年龄数字校验
     if (!isNumber(txtAge.getText().trim())) {
         JOptionPane.showMessageDialog(null, "注意：年龄全由数字构成！", "增加学生记录", JOptionPane.WARNING_MESSAGE);
         txtAge.setText("");
         txtAge.requestFocus();
         return;
     }

     // 创建学生实体
     Student student = new Student();
     // 设置学生实体属性
     student.setId(txtId.getText().trim());
     student.setName(txtName.getText().trim());
     student.setSex(txtSex.getText().trim());
     student.setAge(Integer.parseInt(txtAge.getText()));
     student.setDepartment(txtDepartment.getText().trim());
     student.setClazz(txtClass.getText().trim());
     student.setTelephone(txtTelephone.getText().trim());

     // 创建学生服务对象
     StudentService studentService = new StudentServiceImpl();
     // 添加学生记录
     int count = studentService.addStudent(student);
     // 判断是否添加成功
     if (count > 0) {
         JOptionPane.showMessageDialog(null, "添加记录成功！", "增加学生记录", JOptionPane.INFORMATION_MESSAGE);
         txtId.setText("");
         txtName.setText("");
         txtSex.setText("");
         txtAge.setText("");
         txtDepartment.setText("");
         txtClass.setText("");
         txtTelephone.setText("");
         txtId.requestFocus();
     } else {
         JOptionPane.showMessageDialog(null, "添加记录失败！", "增加学生记录", JOptionPane.ERROR_MESSAGE);
     }
 }

      });

      // 【取消】按钮单击事件处理
      btnCancel.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
      txtId.setText("");
      txtName.setText("");
      txtSex.setText("");
      txtAge.setText("");
      txtDepartment.setText("");
      txtClass.setText("");
      txtTelephone.setText("");
      txtId.requestFocus();
      }
      });

      // 【退出】按钮单击事件处理
      btnExit.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
      dispose();
      }
      });

      // 【学号】文本框按键事件处理
      txtId.addKeyListener(new KeyAdapter() {
      @Override
      public void keyPressed(KeyEvent e) {
      if (e.getKeyCode() == KeyEvent.VK_ENTER) {
      if (!txtId.getText().trim().equals("")) {
      txtName.requestFocus();
      }
      }
      }
      });

      // 【姓名】文本框按键事件处理
      txtName.addKeyListener(new KeyAdapter() {
      @Override
      public void keyPressed(KeyEvent e) {
      if (e.getKeyCode() == KeyEvent.VK_ENTER) {
      txtSex.requestFocus();
      }
      }
      });

      // 【性别】文本框按键事件处理
      txtSex.addKeyListener(new KeyAdapter() {
      @Override
      public void keyPressed(KeyEvent e) {
      if (e.getKeyCode() == KeyEvent.VK_ENTER) {
      txtAge.requestFocus();
      }
      }
      });

      // 【年龄】文本框按键事件处理
      txtAge.addKeyListener(new KeyAdapter() {
      @Override
      public void keyPressed(KeyEvent e) {
      if (e.getKeyCode() == KeyEvent.VK_ENTER) {
      txtDepartment.requestFocus();
      }
      }
      });

      // 【系部】文本框按键事件处理
      txtDepartment.addKeyListener(new KeyAdapter() {
      @Override
      public void keyPressed(KeyEvent e) {
      if (e.getKeyCode() == KeyEvent.VK_ENTER) {
      txtClass.requestFocus();
      }
      }
      });

      // 【班级】文本框按键事件处理
      txtClass.addKeyListener(new KeyAdapter() {
      @Override
      public void keyPressed(KeyEvent e) {
      if (e.getKeyCode() == KeyEvent.VK_ENTER) {
      txtTelephone.requestFocus();
      }
      }
      });
      }

    /**

    • 判断一个字符串是否全是数字
    • @param str
    • @return
      */
      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;
      }

    /**

    • 主方法
    • @param args
      */
      public static void main(String[] args) {
      new AddStudentFrame("");
      }
      }

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运行结果为：

编辑学生窗口EditStudentFrame时：

Student报错，修改为用import的方式来指明在要用到的这些类的位置

编辑学生窗口EditStudentFrame

package net.xmh.student.gui;

import net.xmh.student.bean.Student;
import net.xmh.student.service.StudentService;
import net.xmh.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.regex.Matcher;
import java.util.regex.Pattern;
import java.util.List;

/**

  • 功能：编辑学生记录

  • 作者：ygf

  • 日期：2019年6月21日
    /
    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;

    /**

    • 构造方法
    • @param title
      */
      public EditStudentFrame(String title) {
      super(title);
      initGUI();
      }

    /**

    • 初始化用户界面
      */
      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());
             // 更新学生信息
             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();
      }
      }
      });
      }

    /**

    • 将当前记录数据填充窗口各文本框
    • @param currentRow
      */
      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;
    }

    /**

    • 判断是否合法手机号
    • @param telephone
    • @return
      */
      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();
      }

    /**

    • 主方法
    • @param args
      */
      public static void main(String[] args) {
      new EditStudentFrame("");
      }
      }
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      运行结果：
Moseak
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