转载自csdn文章:https://blog.csdn.net/Tangerine_bisto/article/details/80346151
1.对所有主机进行访问授权

  GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY'mypassword' WITH GRANT OPTION;

    刷新

    FLUSH   PRIVILEGES;

.更改mysql库下的user表

update user set host = '%' where user = 'root';

FLUSH RIVILEGES

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