add: add Login function alpha

Author: Mryan2005

src/main/java/top/mryan2005/managesysteminjava/BasicClass/Entry.java

@@ -64,7 +64,7 @@ public String generateHTML() {
 
     public String generateCurrentHash() throws UnsupportedEncodingException {
         Base64 base64 = new Base64();
-        currentHash = DigestUtils.md5Hex(html.getBytes("utf-8"));
+        currentHash = DigestUtils.md5Hex(base64.encode(html.getBytes("GBK")));
         return currentHash;
     }
 

src/main/java/top/mryan2005/managesysteminjava/BasicClass/LoginPart.java

@@ -63,6 +63,12 @@ public LoginPart(SQLLinker sql1) {
         sql = sql1;
     }
 
+    public void setSQL(SQLLinker sql1) {
+        sql = sql1;
+    }
+
+    public LoginPart() {}
+
     public void register(String username, String password, String Sex, String UName) throws UnsupportedEncodingException {
         readUsersTable();
         if (username.matches("") || password.matches("") || UName.matches("")) {

src/main/java/top/mryan2005/managesysteminjava/BasicClass/User.java

@@ -1,5 +1,10 @@
 package top.mryan2005.managesysteminjava.BasicClass;
 
+import top.mryan2005.managesysteminjava.SQLs.SQLLinker;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
 public class User {
     public String username;    // 用户名
     public String password;    // 密码
@@ -18,4 +23,29 @@ public User(String username, String password, int level, String role, String UNa
         this.avatar = avatar;
         this.sex = "Unknown";
     }
+
+    public User() {
+    }
+
+    public void loadUser(String username, SQLLinker sql) {
+        if (username == null) {
+            return;
+        }
+        try {
+            ResultSet res = sql.runSQL("SELECT * FROM Users.[user] WHERE username = '" + username + "'");
+            if (res == null) {
+                return;
+            }
+            while (res.next()) {
+                this.username = res.getString("username");
+                this.password = res.getString("password");
+                this.level = res.getInt("level");
+                this.role = res.getString("role");
+                this.UName = res.getString("name");
+                this.avatar = res.getString("avator");
+            }
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
 }

src/main/java/top/mryan2005/managesysteminjava/Core.java

@@ -1,11 +1,14 @@
 package top.mryan2005.managesysteminjava;
+import top.mryan2005.managesysteminjava.BasicClass.LoginPart;
+import top.mryan2005.managesysteminjava.BasicClass.User;
 import top.mryan2005.managesysteminjava.ConnectToNet.POSTAndGET;
 import top.mryan2005.managesysteminjava.SQLs.SQLLinker;
 import top.mryan2005.managesysteminjava.Settings.Info;
 
 import java.awt.*;
 import java.awt.event.*;
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
 import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.SQLException;
@@ -23,6 +26,10 @@ public class Core extends JFrame {
 
     private SQLLinker sql;
 
+    private LoginPart loginPart;
+
+    private User currentUser;
+
     private boolean isLogin = false;
 
     public void print(String str) {
@@ -197,6 +204,7 @@ public Core() throws IOException, SQLException {
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         setBounds(0,0,1729,972);
         sql = new SQLLinker("SQL Server", "127.0.0.1", "1433", "sa", "123456", "wuzhouDict");
+        loginPart = new LoginPart(sql);
     }
 
     public void actionPerformed(ActionEvent e) {
@@ -527,7 +535,18 @@ public void createLoginWindow(JDialog owner) {
         LoginButton.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-
+                try {
+                    if(loginPart.login(jTextFieldUsername.getText(), jTextFieldPassword.getText())) {
+                        isLogin = true;
+                        currentUser = new User();
+                        currentUser.loadUser(jTextFieldUsername.getText(), sql);
+                        jDialogInput.dispose();
+                    } else {
+                        JOptionPane.showMessageDialog(jDialogInput, "Login Failed");
+                    }
+                } catch (UnsupportedEncodingException ex) {
+                    throw new RuntimeException(ex);
+                }
             }
         });
         gbc.fill = GridBagConstraints.CENTER;