import pymysql conn = pymysql.connect(host='localhost', port=3306, user='root', password='root', database='test', charset='utf8') cursor = conn.cursor() sql = 'show databases;' res = cursor.execute(sql) print(cursor.fetchall())
执行这段代码出错 : pymysql.err.OperationalError: (1045, u"Access denied for user 'root'@'localhost' (using password: No)")
新版mysql使用的caching_sha2_password认证方式,换成mysql_native_password就可以。
步骤是在cmd命令行连接mysql,
然后输入ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root';