MySQL常见的错误码讲解: https://www.cnblogs.com/henrylinux/p/9746867.html
密码错误:
MySQL服务所在主机IP地址错误:
出现上述连接错误主要从以下几个步骤解决
授权远程访问 :(A->B,则再B计算机的Mysql中以root账户执行以下命令) GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root' WITH GRANT OPTION; FLUSH PRIVILEGES; -->