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9 changed files with 2 additions and 402 deletions

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@ -1,37 +0,0 @@
package exp11;
public class Account {
private String username;
private String password;
private boolean lock;
public Account(String username, String password, String lock) {
this.username = username;
this.password = password;
if(lock.equals("true")){
this.lock = true;
}else {
this.lock = false;
}
}
String getUserName() {
return this.username;
}
String getPassword() {
return this.password;
}
boolean isLock() {
return lock;
}
void lock() {
this.lock = true;
}
public String toString() {
return this.username +"," +this.password +"," +this.lock;
}
}

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@ -1,10 +1,7 @@
package exp11; package exp11;
import javax.swing.JFrame; import javax.swing.*;
public class AccountDemo { public class AccountDemo {
public static void main(String[] args) { JFrame rejister = new JFrame();
JFrame loginFrame = LoginFrame.creatLonginFrame();
loginFrame.setVisible(true);
}
} }

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@ -1,104 +0,0 @@
package exp11;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
public class AccountManager {
private String userinfoPath = "D:\\MyProjects\\CoreJava\\exp11\\userinfo.text";
private int faildCount=0;
private ArrayList<Account> getAccounts() {
File userinfo = new File(userinfoPath);
ArrayList<Account> accounts = new ArrayList<>();
try{
BufferedReader reader = new BufferedReader(new FileReader(userinfo));
String line;
while ((line=reader.readLine()) != null) {
String[] strs = line.split(",");
Account account = new Account(strs[0], strs[1], strs[2]);
accounts.add(account);
}
reader.close();
}catch(IOException e) {
e.printStackTrace();
}
return accounts;
}
private Account getAccount(String username) {
ArrayList<Account> accounts = getAccounts();
for (Account account : accounts) {
if(account.getUserName().equals(username)) {
return account;
}
}
return null;
}
int getFaildCount(){
return this.faildCount;
}
void resetFaildCount() {
this.faildCount=0;
}
public boolean userIsExist(String username) {
ArrayList<Account> accounts = getAccounts();
for (Account account : accounts) {
if (username.equals(account.getUserName())){
return true;
}
}
return false;
}
public void addUser(Account account) {
if (userIsExist(account.getUserName())) {
}else {
File userinfo = new File(userinfoPath);
try{
FileWriter writer = new FileWriter(userinfo, true);
writer.write(account.toString());
writer.close();
}catch(IOException e) {
e.printStackTrace();
}
}
}
boolean usernameVerify(String username) {
if(username.matches("^[a-zA-Z][a-zA-Z1-9]*$")){
return true;
}else {
return false;
}
}
int accountVerify(String username, String password) {
Account account = getAccount(username);
System.out.println(account.toString());
if(account.isLock()){
return -1;
}else if ((username.equals(account.getUserName())) && (password.equals(account.getPassword()))){
return 1;
}else {
this.faildCount++;
if(faildCount >= 3){
account.lock();
}
}
return 0;
}
}

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@ -1,94 +0,0 @@
package exp11;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class LoginFrame {
static JFrame creatLonginFrame() {
AccountManager am = new AccountManager();
JFrame f = new JFrame("登录");
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
f.setSize(400, 300);
f.setLayout(null);
f.setLocationRelativeTo(f);
f.setAlwaysOnTop(true);
f.setResizable(false);
JLabel accountJLabel = new JLabel("账号");
accountJLabel.setBounds(50, 50, 50, 20);
JTextField usernameTextField = new JTextField();
usernameTextField.setBounds(100, 50, 200, 20);
JLabel passwordJLabel = new JLabel("密码");
passwordJLabel.setBounds(50, 100, 50, 20);
JPasswordField passwordField = new JPasswordField();
passwordField.setBounds(100, 100, 200, 20);
JButton loginJButton = new JButton("登录");
loginJButton.setBounds(240, 200, 60, 30);
loginJButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e){
String username = usernameTextField.getText();
String password = new String(passwordField.getPassword());
if (!am.userIsExist(username)) {
showDialog(f, "用户不存在!");
}else {
int verify = am.accountVerify(username, password);
if(am.getFaildCount() >= 3){
String text = "用户" +username +"已被锁定,请与管理联系!";
showDialog(f, text);
//am.resetFaildCount();
}else if (verify==1) {
showDialog(f, "登陆成功");
am.resetFaildCount();
}else if (verify==0){
String text = "密码错误,你还有" +(3-am.getFaildCount()) +"次机会";
showDialog(f, text);
}
}
}
});
JButton registerButton = new JButton("注册");
registerButton.setBounds(90, 200, 60, 30);
registerButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e){
JFrame registerFrame = RegisterFrame.creatRegisterFrame();
registerFrame.setVisible(true);
f.dispose();
}
});
f.add(accountJLabel);
f.add(usernameTextField);
f.add(passwordJLabel);
f.add(passwordField);
f.add(loginJButton);
f.add(registerButton);
return f;
}
static void showDialog(JFrame f, String text) {
JDialog dialog = new JDialog(f, "提示");
dialog.setSize(200, 150);
dialog.setLocationRelativeTo(f);
dialog.setDefaultCloseOperation(1);
dialog.setLayout(new FlowLayout());
JLabel textLabel = new JLabel(text);
dialog.add(textLabel);
dialog.setVisible(true);
}
}

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@ -1,95 +0,0 @@
package exp11;
import java.awt.*;
import java.time.LocalDateTime;
import javax.swing.*;
import java.awt.event.*;
public class RegisterFrame {
static JFrame creatRegisterFrame() {
AccountManager am = new AccountManager();
JFrame f = new JFrame("注册");
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
f.setSize(400, 300);
f.setLayout(null);
f.setLocationRelativeTo(f);
f.setAlwaysOnTop(true);
f.setResizable(false);
JLabel accountJLabel = new JLabel("账号");
accountJLabel.setBounds(50, 50, 50, 20);
JTextField usernameTextField = new JTextField();
usernameTextField.setBounds(100, 50, 200, 20);
JLabel passwordJLabel = new JLabel("密码");
passwordJLabel.setBounds(50, 100, 50, 20);
JPasswordField passwordField = new JPasswordField();
passwordField.setBounds(100, 100, 200, 20);
JLabel confirmPasswordJLabel = new JLabel("确认密码");
confirmPasswordJLabel.setBounds(50, 150, 50, 20);
JPasswordField confirmPasswordField = new JPasswordField();
confirmPasswordField.setBounds(100, 150, 200, 20);
JButton loginJButton = new JButton("登录");
loginJButton.setBounds(90, 200, 60, 30);
loginJButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e){
JFrame loginFrame = LoginFrame.creatLonginFrame();
loginFrame.setVisible(true);
f.dispose();
}
});
JButton registerButton = new JButton("注册");
registerButton.setBounds(240, 200, 60, 30);
registerButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e){
String username = usernameTextField.getText();
String password = new String(passwordField.getPassword());
Account account = new Account(username, password, "false");
if (am.userIsExist(username)){
showDialog(f, "用户已存在!");
}else {
am.addUser(account);
String text = username +"" +LocalDateTime.now().toString() +"注册成功";
showDialog(f, text);
}
}
});
f.add(accountJLabel);
f.add(usernameTextField);
f.add(passwordJLabel);
f.add(passwordField);
f.add(confirmPasswordJLabel);
f.add(confirmPasswordField);
f.add(loginJButton);
f.add(registerButton);
return f;
}
static void showDialog(JFrame f, String text) {
JDialog dialog = new JDialog(f, "提示");
dialog.setSize(200, 150);
dialog.setLocationRelativeTo(f);
dialog.setDefaultCloseOperation(1);
dialog.setLayout(new FlowLayout());
JLabel textLabel = new JLabel(text);
dialog.add(textLabel);
dialog.setVisible(true);
}
}

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@ -1 +0,0 @@
stu1,123456,false

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@ -1,21 +0,0 @@
package exp12;
import exp12.TicketingSystem.TicketingSystem;
public class Person extends Thread{
@Override
public void run() {
while (true) {
try {
Thread.sleep(3);
} catch (InterruptedException e) {
e.printStackTrace();
}
if ( !TicketingSystem.buy(Thread.currentThread().getName())) {
break;
}
}
}
}

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@ -1,29 +0,0 @@
package exp12.TicketingSystem;
import java.util.HashMap;
import java.util.Map;
public class TicketingSystem {
private int tickets = 200;
private Map<String, Integer> map = new HashMap<>();
final int MAX_PERSON = 5;
final int MAX_TICKET_PER_PERSON =10;
public static void main(String[] args) {
}
public synchronized boolean buy(String user) {
if(!map.containsValue(user) && map.size()<MAX_PERSON) {
map.put(user, 1);
this.tickets--;
}else if(map.get(user) < MAX_PERSON) {
}
return false;
}
}

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@ -1,16 +0,0 @@
package test;
public class RegexTest {
public static void main(String[] args) {
String regex = "^[a-zA-Z][a-zA-Z1-9]*$";
String testString = "Abc123"; // 测试字符串
boolean matches = testString.matches(regex);
if (matches) {
System.out.println("字符串仅由字母和数字1-9组成");
} else {
System.out.println("字符串包含非字母或非数字1-9的字符");
}
}
}