java怎么连接mysql数据库集群

import java.sql.*;

public class MySQLClusterExample {
    public static void main(String[] args) {
        Connection connection = null;
        Statement statement = null;
        ResultSet resultSet = null;
        
        String url = "jdbc:mysql://[数据库集群地址]:[端口]/[数据库名称]";
        String username = "[用户名]";
        String password = "[密码]";
        
        try {
            // 加载MySQL驱动程序
            Class.forName("com.mysql.cj.jdbc.Driver");
            
            // 建立连接
            connection = DriverManager.getConnection(url, username, password);
            
            // 创建Statement对象
            statement = connection.createStatement();
            
            // 执行查询
            String query = "SELECT * FROM [表名]";
            resultSet = statement.executeQuery(query);
            
            // 处理查询结果
            while (resultSet.next()) {
                String column1 = resultSet.getString("column1");
                String column2 = resultSet.getString("column2");
                // 其他操作...
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            // 关闭连接
            try {
                if (resultSet != null) {
                    resultSet.close();
                }
                if (statement != null) {
                    statement.close();
                }
                if (connection != null) {
                    connection.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}