安卓用mysql数据库文件

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

public class MySQLConnector {
    private static final String URL = "jdbc:mysql://localhost:3306/mydatabase";
    private static final String USER = "username";
    private static final String PASSWORD = "password";

    public static Connection getConnection() throws SQLException {
        return DriverManager.getConnection(URL, USER, PASSWORD);
    }

    public static void main(String[] args) {
        try (Connection connection = getConnection()) {
            System.out.println("Connected to MySQL database!");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

import androidx.room.Dao;
import androidx.room.Insert;
import androidx.room.Query;

import java.util.List;

@Dao
public interface MyDao {
    @Insert
    void insert(MyEntity entity);

    @Query("SELECT * FROM my_table")
    List<MyEntity> getAll();
}

private static final String URL = "jdbc:mysql://localhost:3306/mydatabase?useSSL=true&requireSSL=true";