mysql bit对应java

CREATE TABLE user (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255),
    active BIT(1) DEFAULT 0, -- 0表示不活跃，1表示活跃
    permissions BIT(8) DEFAULT 0 -- 存储8个权限位
);

import java.sql.*;

public class MySQLBitExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            // 插入数据
            String insertQuery = "INSERT INTO user (name, active, permissions) VALUES (?, ?, ?)";
            try (PreparedStatement pstmt = conn.prepareStatement(insertQuery)) {
                pstmt.setString(1, "John Doe");
                pstmt.setBoolean(2, true); // 活跃
                pstmt.setInt(3, 0b10101010); // 权限位
                pstmt.executeUpdate();
            }

            // 读取数据
            String selectQuery = "SELECT * FROM user WHERE id = ?";
            try (PreparedStatement pstmt = conn.prepareStatement(selectQuery)) {
                pstmt.setInt(1, 1);
                try (ResultSet rs = pstmt.executeQuery()) {
                    if (rs.next()) {
                        String name = rs.getString("name");
                        boolean active = rs.getBoolean("active");
                        int permissions = rs.getInt("permissions");

                        System.out.println("Name: " + name);
                        System.out.println("Active: " + active);
                        System.out.println("Permissions: " + Integer.toBinaryString(permissions));
                    }
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

boolean active = rs.getBoolean("active");

pstmt.setBoolean(2, true); // 插入布尔值
pstmt.setInt(3, 0b10101010); // 插入权限位