云服务器数据库怎么连

import mysql.connector

# 连接配置
config = {
    'user': 'your_username',
    'password': 'your_password',
    'host': 'your_database_host',
    'database': 'your_database_name',
    'port': 3306
}

try:
    # 建立连接
    connection = mysql.connector.connect(**config)
    if connection.is_connected():
        print("Connected to MySQL database")
        cursor = connection.cursor()
        cursor.execute("SELECT DATABASE();")
        record = cursor.fetchone()
        print("You're connected to database: ", record)
except mysql.connector.Error as err:
    print(f"Error: {err}")
finally:
    if connection.is_connected():
        cursor.close()
        connection.close()
        print("MySQL connection is closed")