腾讯云mysql怎么连接

mysql -h [公网IP地址] -P [端口号] -u [用户名] -p

import mysql.connector

config = {
    'user': 'your_username',
    'password': 'your_password',
    'host': 'your_public_ip',
    'database': 'your_database',
    'port': 'your_port'
}

try:
    connection = mysql.connector.connect(**config)
    print("Connected to MySQL database")
except mysql.connector.Error as err:
    print(f"Error: {err}")
finally:
    if connection.is_connected():
        connection.close()

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

public class MySQLConnection {
    public static void main(String[] args) {
        String url = "jdbc:mysql://your_public_ip:your_port/your_database";
        String user = "your_username";
        String password = "your_password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            System.out.println("Connected to the database!");
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }
    }
}