pb如何连接mysql数据库

import com.mysql.jdbc.jdbc2.optional.MysqlDataSource;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

public class PBMySQLConnection {
    public static void main(String[] args) {
        // 创建MySQL数据源
        MysqlDataSource dataSource = new MysqlDataSource();
        dataSource.setURL("jdbc:mysql://localhost:3306/mydatabase");
        dataSource.setUser("myuser");
        dataSource.setPassword("mypassword");

        try {
            // 创建连接
            Connection connection = dataSource.getConnection();
            
            // 创建Statement对象
            Statement statement = connection.createStatement();
            
            // 执行SQL查询语句
            ResultSet resultSet = statement.executeQuery("SELECT * FROM mytable");

            // 处理查询结果
            while (resultSet.next()) {
                // 获取结果中的数据
                String column1 = resultSet.getString("column1");
                int column2 = resultSet.getInt("column2");
                // ...
                // 处理数据...
            }

            // 关闭连接
            resultSet.close();
            statement.close();
            connection.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}