安卓如何连接mysql数据库文件

implementation 'mysql:mysql-connector-java:8.0.25'

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class MySQLConnector {

    private Connection connection;
    private Statement statement;

    public MySQLConnector() {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
    }

    public void connect() {
        try {
            String url = "jdbc:mysql://数据库服务器IP地址:端口号/数据库名称";
            String username = "用户名";
            String password = "密码";
            connection = DriverManager.getConnection(url, username, password);
            statement = connection.createStatement();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    public void executeQuery(String sql) {
        try {
            ResultSet resultSet = statement.executeQuery(sql);
            while (resultSet.next()) {
                // 处理查询结果
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    public void close() {
        try {
            if (statement != null) {
                statement.close();
            }
            if (connection != null) {
                connection.close();
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}