centos远程连接mysql数据库

bind-address = 127.0.0.1

sudo systemctl restart mysqld

mysql -u root -p

GRANT ALL PRIVILEGES ON *.* TO 'username'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;

sudo firewall-cmd --permanent --add-port=3306/tcp
sudo firewall-cmd --reload

pip install mysql-connector-python

import mysql.connector

try:
    connection = mysql.connector.connect(
        host="your_mysql_server_ip",
        user="username",
        password="password",
        database="database_name"
    )
    if connection.is_connected():
        db_Info = connection.get_server_info()
        print("Connected to MySQL Server version ", db_Info)
        cursor = connection.cursor()
        cursor.execute("select database();")
        record = cursor.fetchone()
        print("You're connected to database: ", record)
except mysql.connector.Error as e:
    print("Error while connecting to MySQL", e)
finally:
    if connection.is_connected():
        cursor.close()
        connection.close()
        print("MySQL connection is closed")