import mysql.connector
from mysql.connector import Error

def test_mysql_connection():
    # MySQL 配置
    config = {
        'host': '192.168.2.20',
        'port': 8006,
        'user': 'mticloud',
        'password': 'fT3KsNDahADGcWCZ',
        'database': 'mti-cloud',
        'charset': 'utf8mb4'
    }

    try:
        # 建立连接
        connection = mysql.connector.connect(**config)

        if connection.is_connected():
            print("成功连接到 MySQL 数据库！")
            # 打印数据库信息
            db_info = connection.get_server_info()
            print(f"MySQL 服务器版本: {db_info}")
            cursor = connection.cursor()
            cursor.execute("SELECT DATABASE();")
            record = cursor.fetchone()
            print(f"当前使用的数据库: {record[0]}")

    except Error as e:
        print(f"连接 MySQL 时发生错误: {e}")

    finally:
        # 关闭连接
        if connection.is_connected():
            cursor.close()
            connection.close()
            print("MySQL 连接已关闭。")

# 执行测试
if __name__ == "__main__":
    test_mysql_connection()