同步

exp11/Account.java

@@ -0,0 +1,23 @@
+package exp11;
+
+public class Account {
+    private String username;
+    private String password;
+
+    public Account(String username, String password) {
+        this.username = username;
+        this.password = password;
+    }
+
+    String getUserName() {
+        return this.username;
+    }
+
+    String getPassword() {
+        return this.password;
+    }
+
+    public String toString() {
+        return this.username +"," +this.password;
+    }
+}

exp11/AccountDemo.java

@@ -1,7 +1,18 @@
 package exp11;
 
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
 import javax.swing.*;
 
 public class AccountDemo {
-    JFrame rejister = new JFrame();
+    public static void main(String[] args) {
+        JFrame register = LoginFrame.creatLonginFrame();
+
+        register.setVisible(true);
+    }
+
+    
+    
 }

exp11/AccountManager.java

@@ -0,0 +1,90 @@
+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 = "userinfo.txt";
+    
+    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]);
+                accounts.add(account);
+            }
+            reader.close();
+        }catch(IOException e) {
+            e.printStackTrace();
+        }
+
+        return accounts;
+    }
+
+    Account getAccount(String username) {
+        Account account = null;
+        ArrayList<Account> accounts = getAccounts();
+        for (Account a : accounts) {
+            if(a.getUserName() == username) {
+                account = a;
+            }
+        }
+
+        return account;
+    }
+
+    public boolean userIsExist(String username) {
+        ArrayList<Account> accounts = getAccounts();
+        for (Account account : accounts) {
+            if (username == account.getUserName()){
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public void addUser(Account account) {
+        if (userIsExist(account.getUserName())) {
+            System.out.println("用户已存在!");
+        }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")){
+            return true;
+        }else {
+            System.out.println("用户名不合法");
+            return false;
+        }
+    }
+
+    boolean accountVerify(String username, String password) {
+        Account account = getAccount(username);
+        if ((account.getUserName()==username) && (account.getPassword()==password)){
+            return true;
+        }
+
+        return false;
+    }
+
+
+}

exp11/LoginFrame.java

@@ -0,0 +1,34 @@
+package exp11;
+
+import java.awt.event.*;
+import javax.swing.*;
+
+public class LoginFrame {
+    static JFrame creatLonginFrame() {
+        JFrame f = Tools.creatDefaultJFrame("登录");
+
+        JButton loginJButton = new JButton("登录");
+        loginJButton.setBounds(240, 200, 60, 30);
+        loginJButton.addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e){
+                System.out.println("点击[登录]");
+            }
+        });
+
+        JButton registerButton = new JButton("注册");
+        registerButton.setBounds(90, 200, 60, 30);
+        registerButton.addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e){
+
+            }
+        });
+
+        f.add(loginJButton);
+        f.add(registerButton);
+
+        return f;
+    }
+    
+}

exp11/RegisterFrame.java

@@ -0,0 +1,25 @@
+package exp11;
+
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class RegisterFrame {
+    static JFrame creatRegisterFrame() {
+        JFrame f = Tools.creatDefaultJFrame("注册");
+
+        JButton registerButton = new JButton("注册");
+        registerButton.setBounds(220, 200, 60, 30);
+        registerButton.addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e) {
+                
+            }
+        });
+
+        return f;
+    }
+    
+}

exp11/Tools.java

@@ -0,0 +1,36 @@
+package exp11;
+
+import javax.swing.*;
+
+public class Tools {
+    private String userInfoPath = "userinfo.txt";
+
+    public static JFrame creatDefaultJFrame(String title){
+        JFrame f = new JFrame(title);
+        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 accounJTextField = new JTextField();
+        accounJTextField.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);
+
+        f.add(accountJLabel);
+        f.add(accounJTextField);
+        f.add(passwordJLabel);
+        f.add(passwordField);
+
+        return f;
+    }
+
+
+}