import pymysql
'''
连接数据库
参数1:mysql服务所在主机IP
参数2:用户名
参数3:密码
参数4:要连接的数据库名称
'''
db = pymysql.connect('本机ip', 'root', 'root', 'aimei')
# 创建一个cursor对象
cursor = db.cursor()
sql = 'select version()'
# 执行sql语句
cursor.execute(sql)
# 获取返回的信息
data = cursor.fetchone()
print(data)
# 断开
cursor.close()
db.close()
The native ip can be obtained using ipconfig
If the local ip connection reports an error, find the user in the mysql database and change to%