sql连接本地数据库服务器

pip install mysql-connector-python

import mysql.connector

# 创建连接
try:
    connection = mysql.connector.connect(
        host="localhost",       # 数据库服务器地址
        user="your_username",   # 用户名
        password="your_password", # 密码
        database="your_database" # 数据库名称
    )
    
    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")