带登录页面的猜数字小游戏

本内容包含：登录页面+注册页面+猜数字小游戏页面

登录页面：手机号+密码+校验码+随机校验码+登录按钮+注册

注册页面：手机号+密码+密码确认+注册按钮

游戏页面：标题(提示框)+输入框+猜一下+重置

包含校验：

手机号：非空+11位+首位非0整数+整数

密码：非空+6-18位整数+英文字母组合

校验码：非空+整数+英文字母

数字：非空+非数字+非范围

游戏界面：

登录游戏自动生成1-100的随机整数，输入1-100的任意一个整数

输入不等于随机数，提示输入范围，直到输入整数等于随机数。

如果在输入期间输入空，非数字，非范围，则会提示正确的输入范围。

点击猜一下或者回车进行猜测，点击重置，重新开始游戏。

public class GuessNumberGame extends JFrame {private int small = 1;private int big = 100;Random r = new Random();private int num = r.nextInt(100)+1;public GuessNumberGame(){init();this.setVisible(true);}private void init() {this.setTitle("猜数字小游戏");this.setSize(600,400);this.setLocationRelativeTo(null);this.setDefaultCloseOperation(EXIT_ON_CLOSE);this.setResizable(false);this.setLayout(null);//标题JLabel jl = new JLabel("欢迎来到猜数字小游戏");jl.setSize(500,40);jl.setLocation(100,60);jl.setFont(new Font("华文行楷", Font.PLAIN, 40));this.add(jl);//文本框JTextField jtf = new JTextField();jtf.setSize(200,40);jtf.setLocation(200,140);jtf.setFont(new Font("华文行楷", Font.PLAIN, 40));this.add(jtf);//"猜一下"按钮JButton jb = new JButton("猜一下");jb.setSize(160, 40);jb.setLocation(130,220);jb.setFont(new Font("华文行楷", Font.PLAIN, 40));this.add(jb);//"重置哈"按钮JButton reset = new JButton("重置哈");reset.setSize(160,40);reset.setLocation(320,220);reset.setFont(new Font("华文行楷", Font.PLAIN, 40));this.add(reset);//给文本框装上doClickjtf.addActionListener(e -> jb.doClick());//给"猜一下"按钮装上监听jb.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {String text = jtf.getText();//校验null和空if (text.equals("") || text.equals(null)){jl.setText("无内容,请输入数字内容");}//校验只能是数字for (int i = 0; i < text.length(); i++) {char c = text.charAt(i);if (c < '0' || c > '9'){jl.setText("输入的内容包含非法内容");return;}}int a = Integer.parseInt(text);//校验范围if (a>big || a < small){jl.setText("请输入范围内数字"+"("+small+"-"+big+")");return;}//逻辑if (a>num){big=a;jl.setText("猜大了,应该在"+ small + "到" + big + "之间");jtf.setText("");}else if(a<num){small=a;jl.setText("猜大了,应该在"+ small + "到" + big + "之间");jtf.setText("");}else{jl.setText("恭喜您,猜对了!!!");}}});//给"重置哈"装上监听reset.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {small=1;big=100;num = r.nextInt(100)+1;jtf.setText("");jl.setText("欢迎来到猜数字小游戏");}});}
}

登录页面：

用户输入用户手机号，密码，校验码，点击登录，

注册，提示用户未注册，已注册，进行，密码

和验证码校验，无误，登录到游戏界面。

package test1;import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.ArrayList;/*** @author WJJ* @create 2022-05-21*/
public class LoginAndRegisterTab extends JFrame {private JLabel registLable;private JPanel loginPanle;private JTabbedPane tabContianer;public LoginAndRegisterTab(){init();this.setVisible(true);}private void init() {this.setSize(600,400);this.setTitle("欢迎来到猜数字小游戏");this.setLocationRelativeTo(null);this.setDefaultCloseOperation(EXIT_ON_CLOSE);this.setResizable(false);tabContianer = new JTabbedPane();initLoginTab();tabContianer.addTab("登录", loginPanle);this.add(tabContianer);}//登录界面private void initLoginTab() {loginPanle = new JPanel();loginPanle.setLayout(null);//手机号JLabelJLabel phoneNumberLabel = new JLabel("手机号");phoneNumberLabel.setSize(70, 40);phoneNumberLabel.setLocation(100,40);phoneNumberLabel.setFont(new Font("华文行楷", Font.PLAIN, 20));//手机号输入框JTextFieldJTextField phoneNumberTextField = new JTextField();phoneNumberTextField.setSize(300,40);phoneNumberTextField.setLocation(200,40);phoneNumberTextField.setFont(new Font("华文行楷", Font.PLAIN, 20));//密码JLabelJLabel passwordLabel= new JLabel("密   码");passwordLabel.setSize(70, 40);passwordLabel.setLocation(100,110);passwordLabel.setFont(new Font("华文行楷", Font.PLAIN, 20));//密码输入框JTextFieldJPasswordField passwordTextField = new JPasswordField();passwordTextField.setSize(300,40);passwordTextField.setLocation(200,110);//校验码JLabelJLabel verifyCodeLabel = new JLabel("校验码");verifyCodeLabel.setSize(70, 40);verifyCodeLabel.setLocation(100,180);verifyCodeLabel.setFont(new Font("华文行楷", Font.PLAIN, 20));//校验码输入JTextFieldJTextField verifyCodeTextField = new JTextField();verifyCodeTextField.setSize(150,40);verifyCodeTextField.setLocation(200,180);verifyCodeTextField.setFont(new Font("华文行楷", Font.PLAIN, 20));//校验码显示区JLabelJLabel verifyCodeDisplayLabel = new JLabel(StringUtils.getVerifyCode());verifyCodeDisplayLabel.setSize(150, 40);verifyCodeDisplayLabel.setLocation(400,180);verifyCodeDisplayLabel.setFont(new Font("华文行楷", Font.PLAIN, 20));verifyCodeDisplayLabel.setForeground(Color.RED);//校验码显示监听verifyCodeDisplayLabel.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {verifyCodeDisplayLabel.setText(StringUtils.getVerifyCode());}});//登录按钮 JButtonJButton loginButton = new JButton("登录");loginButton.setSize(100, 40);loginButton.setLocation(200,240);loginButton.setFont(new Font("华文行楷", Font.PLAIN, 20));loginButton.addActionListener(e -> {// 获取 手机号  密码  验证码String phoneNumber = phoneNumberTextField.getText();String password = passwordTextField.getText();String verifyCode = verifyCodeTextField.getText();//校验手机格式String[] messages = StringUtils.verifyPhoneNumber(phoneNumber);if (messages[1].equals("RED")) {JOptionPane.showMessageDialog(LoginAndRegisterTab.this, messages[0]);phoneNumberTextField.requestFocus();return;}//2: 判断手机号是否存在ArrayList<String> allUsers = IoUtils.allUser();int index = StringUtils.isExist(phoneNumber, allUsers);if (index == -1) {JOptionPane.showMessageDialog(LoginAndRegisterTab.this, "用户名不存在");phoneNumberTextField.requestFocus();return;}//3: 比对密码// passwordString phoneNumberAndPassword = allUsers.get(index);String pwd = phoneNumberAndPassword.substring(12);if (!password.equals(pwd)) {JOptionPane.showMessageDialog(LoginAndRegisterTab.this, "密码错误");passwordTextField.requestFocus();return;}//4:比对 验证码，String text = verifyCodeDisplayLabel.getText(); //验证码显示区显示的内容if (!verifyCode.equalsIgnoreCase(text)) {JOptionPane.showMessageDialog(LoginAndRegisterTab.this, "验证码错误");verifyCodeTextField.requestFocus();return;}//登录成功,关闭当前登陆窗口，跳转到猜数字窗口JOptionPane.showMessageDialog(LoginAndRegisterTab.this, "登录成功!!!");LoginAndRegisterTab.this.dispose();new GuessNumberGame();});//注册registLable = new JLabel("注册");registLable.setSize(70, 20);registLable.setLocation(303,263);registLable.setFont(new Font("华文行楷", Font.PLAIN, 13));registLable.setForeground(Color.BLUE);//给注册装监听registLable.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {initRegistTab();registLable.setVisible(false);}});//添加组件loginPanle.add(phoneNumberLabel);loginPanle.add(phoneNumberTextField);loginPanle.add(passwordLabel);loginPanle.add(passwordTextField);loginPanle.add(verifyCodeLabel);loginPanle.add(verifyCodeTextField);loginPanle.add(verifyCodeDisplayLabel);loginPanle.add(loginButton);loginPanle.add(registLable);}

注册页面：上接登录页面

用户未注册，点击注册来到注册页面

输入要注册的手机号，未注册则不能进行下一步

已注册，提示已注册，输入密码，确认密码

点击注册，无误注册界面关闭转登录页面

//注册界面private void initRegistTab() {JPanel rigistPanel = new JPanel();rigistPanel.setLayout(null);//手机号JLabelJLabel phoneNumberLabel = new JLabel("手机号");phoneNumberLabel.setSize(70, 40);phoneNumberLabel.setLocation(100,40);phoneNumberLabel.setFont(new Font("华文行楷", Font.PLAIN, 20));//手机号输入框JTextFieldJTextField phoneNumberTextField = new JTextField();phoneNumberTextField.setSize(300,40);phoneNumberTextField.setLocation(200,40);phoneNumberTextField.setFont(new Font("华文行楷", Font.PLAIN, 20));//手机号输入提示JLabelJLabel phoneNumberTip = new JLabel();phoneNumberTip.setSize(300,10);phoneNumberTip.setLocation(200,83);phoneNumberTip.setFont(new Font("华文行楷", Font.PLAIN, 9));//对手机号输入框监听phoneNumberTextField.addFocusListener(new FocusAdapter() {@Overridepublic void focusLost(FocusEvent e) {String phoneNumber = phoneNumberTextField.getText();String[] messages = StringUtils.verifyPhoneNumber(phoneNumber);phoneNumberTip.setText(messages[0]);if (messages[1].equals("RED")){phoneNumberTip.setForeground(Color.RED);phoneNumberTextField.requestFocus();}else if(messages[1].equals("BLUE")){ArrayList<String> allUsers = IoUtils.allUser();int index = StringUtils.isExist(phoneNumber, allUsers);if (index != -1){phoneNumberTip.setText("手机号已经被注册了");phoneNumberTip.setForeground(Color.RED);phoneNumberTextField.requestFocus();return;}phoneNumberTip.setForeground(Color.BLUE);}}});//密码JLabelJLabel passwordLabel= new JLabel("密   码");passwordLabel.setSize(70, 40);passwordLabel.setLocation(100,110);passwordLabel.setFont(new Font("华文行楷", Font.PLAIN, 20));//密码输入框JTextFieldJPasswordField passwordTextField = new JPasswordField();passwordTextField.setSize(300,40);passwordTextField.setLocation(200,110);//密码输入提示JLabelJLabel passwordTip = new JLabel();passwordTip.setSize(300,10);passwordTip.setLocation(200,153);passwordTip.setFont(new Font("华文行楷", Font.PLAIN, 9));//密码提示监听passwordTextField.addFocusListener(new FocusAdapter() {@Overridepublic void focusLost(FocusEvent e) {String password = passwordTextField.getText();String[] messages = StringUtils.verifyPassword(password);passwordTip.setText(messages[0]);if (messages[1].equals("RED")){passwordTip.setForeground(Color.RED);passwordTip.requestFocus();}else if(messages[1].equals("BLUE")){passwordTip.setForeground(Color.BLUE);}}});//确认密码LabelJLabel confirmPasswordLabel = new JLabel("确认密码");confirmPasswordLabel.setSize(80, 40);confirmPasswordLabel.setLocation(100,180);confirmPasswordLabel.setFont(new Font("华文行楷", Font.PLAIN, 20));// 确认密码输入 JTextFieldJPasswordField confirmPasswordTextField = new JPasswordField();confirmPasswordTextField.setSize(300,40);confirmPasswordTextField.setLocation(200,180);//确认密码提示JLabelJLabel confirmPasswordTip = new JLabel();confirmPasswordTip.setSize(300,10);confirmPasswordTip.setLocation(200,223);confirmPasswordTip.setFont(new Font("华文行楷", Font.PLAIN, 9));//确认密码输入监听confirmPasswordTextField.addFocusListener(new FocusAdapter() {@Overridepublic void focusLost(FocusEvent e) {String confirmPassword = confirmPasswordTextField.getText();String password = passwordTextField.getText();if (confirmPassword.equals(password)){confirmPasswordTip.setText("输入密码一致");confirmPasswordTip.setForeground(Color.BLUE);}else if (!confirmPassword.equals(password)){confirmPasswordTip.setText("输入密码不一致");confirmPasswordTip.setForeground(Color.RED);confirmPasswordTip.requestFocus();}}});//注册按钮 JButtonJButton registButton = new JButton("注册");registButton.setSize(100, 40);registButton.setLocation(200,240);registButton.setFont(new Font("华文行楷", Font.PLAIN, 20));//注册按钮校验 JOptionPane.showMessageDialog();registButton.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// 手机号格式校验String phoneNumber = phoneNumberTextField.getText();String[] messeges = StringUtils.verifyPhoneNumber(phoneNumber);if (messeges[1].equals("RED")){JOptionPane.showMessageDialog(LoginAndRegisterTab.this,messeges[0]);return;}//手机是否注册校验ArrayList<String> allUsers = IoUtils.allUser();int index = StringUtils.isExist(phoneNumber, allUsers);if (index != -1){JOptionPane.showMessageDialog(LoginAndRegisterTab.this, "该手机号已被注册!");return;}//密码格式校验String password = passwordTextField.getText();messeges = StringUtils.verifyPassword(password);if (messeges[1].equals("RED")){JOptionPane.showMessageDialog(LoginAndRegisterTab.this,messeges[0]);return;}//密码校验String confirmPassword = confirmPasswordTextField.getText();if (!confirmPassword.equals(password)){JOptionPane.showMessageDialog(LoginAndRegisterTab.this,"密码和确认密码不一致");return;}// 保存 手机号 密码try {OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(LoginAndRegisterTab.class.getClassLoader().getResource("user.txt").getPath(),true), "UTF-8");BufferedWriter bw = new BufferedWriter(writer);bw.write(phoneNumber+"&"+password+"\n");/* bw.newLine();*/bw.flush();bw.close();} catch (IOException ioException) {ioException.printStackTrace();}//注册成功JOptionPane.showMessageDialog(LoginAndRegisterTab.this,"注册成功!");// 关闭 注册界面tabContianer.remove(1);tabContianer.setSelectedIndex(0);registLable.setVisible(true);}});//添加组件rigistPanel.add(phoneNumberLabel);rigistPanel.add(phoneNumberTextField);rigistPanel.add(phoneNumberTip);rigistPanel.add(passwordLabel);rigistPanel.add(passwordTextField);rigistPanel.add(passwordTip);rigistPanel.add(confirmPasswordLabel);rigistPanel.add(confirmPasswordTextField);rigistPanel.add(confirmPasswordTip);rigistPanel.add(registButton);tabContianer.addTab("注册", rigistPanel);tabContianer.setSelectedIndex(1);}}

Io工具类

public class IoUtils {private IoUtils(){}/***读入已保存用户*/public static ArrayList<String> allUser(){ArrayList<String> al = new ArrayList<>();InputStreamReader is = null;try {is = new InputStreamReader(IoUtils.class.getClassLoader().getResourceAsStream("user.txt"), "UTF-8");BufferedReader br = new BufferedReader(is);String s;while((s=br.readLine()) != null){if (!s.equals("")){al.add(s);}}br.close();} catch (Exception e) {e.printStackTrace();}return al;}
}

String工具类

package test1;import java.util.ArrayList;
import java.util.Random;/*** @author WJJ* @create 2022-05-20*/
public class StringUtils {private StringUtils(){}/***用户手机号校验*/public static String[] verifyPhoneNumber(String phoneNumber){//校验null和空if (phoneNumber==null || phoneNumber.equals("")){return new String[]{"手机号不能为空","RED"};}//校验手机号是11位if (phoneNumber.length() != 11){return new String[]{"非11位手机号","RED"};}//校验手机号第1位if (phoneNumber.charAt(0) != '1'){return new String[]{"手机号非1开头","RED"};}//校验手机号中非数字字符for (int i = 0; i < phoneNumber.length(); i++) {if (phoneNumber.charAt(i)<'0' || phoneNumber.charAt(i) > '9'){return new String[]{"含有非数字符号","RED"};}}return new String[]{"手机号输入正确","BLUE"};}/***密码校验*/public static String[] verifyPassword(String password){//校验密码6-18位if (password.length()<6 || password.length()>18){return new String[]{"请输入6到18位密码","RED"};}//校验密码为数字+字母组合int noNumCount = 0;for (int i = 0; i < password.length(); i++) {if (password.charAt(i)>'9' || password.charAt(i)<'0'){noNumCount++;}}if (noNumCount == password.length()){return new String[]{"密码是由数字加字母组合","RED"};}int noLetterCount = 0;for (int i = 0; i < password.length(); i++) {char c = password.charAt(i);if (c<'A' || (c>'z' && c<'a') || c>'z'){noLetterCount++;}}if (noLetterCount == password.length()){return new String[]{"密码是由数字加字母组合","RED"};}return new String[]{"密码格式正确","BLUE"};}/*** 随机生成校验码*/public static String getVerifyCode(){int index=0;int n = 0;char[] chars = new char[52];for (int i = 'A',j = 'a'; i <= 'Z'; i++,j++) {chars[index++]=(char)i;chars[index++]=(char)j;}String str = new String(chars)+"0123456789";String code = "";for (int i = 0; i < 4; i++) {char c = str.charAt(new Random().nextInt(str.length()));code += c;}return code;}public static int isExist(String phone, ArrayList<String> al){for (int i = 0; i < al.size(); i++) {if(phone.equals(al.get(i).substring(0,11))){return i;}}return -1;}
}

mian

public class Demo {public static void main(String[] args) {LoginAndRegisterTab loginAndRegisterTab = new LoginAndRegisterTab();}
}

视频原解：小贤讲Java的个人空间_哔哩哔哩_bilibili

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