android设置mysql数据库

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

public class MySQLConnector {
    private static final String DB_URL = "jdbc:mysql://localhost:3306/mydatabase";
    private static final String DB_USER = "username";
    private static final String DB_PASSWORD = "password";

    public static void main(String[] args) {
        Connection connection = null;
        Statement statement = null;
        try {
            // 导入MySQL驱动库
            Class.forName("com.mysql.jdbc.Driver");
            
            // 建立数据库连接
            connection = DriverManager.getConnection(DB_URL, DB_USER, DB_PASSWORD);
            
            // 创建Statement对象
            statement = connection.createStatement();
            
            // 执行SQL语句
            String sql = "SELECT * FROM mytable";
            ResultSet resultSet = statement.executeQuery(sql);
            
            // 处理数据库结果
            while (resultSet.next()) {
                String data = resultSet.getString("column_name");
                System.out.println(data);
            }
            
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                // 关闭连接和Statement对象
                if (statement != null)
                    statement.close();
                if (connection != null)
                    connection.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}