1. 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
  2.   GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY'mypassword' WITH GRANT OPTION;
  3.  
  4.     刷新
  5.     FLUSH   PRIVILEGES;
  6.  
  7. .更改mysql库下的user表
  8. update user set host = '%' where user = 'root';
  9. FLUSH RIVILEGES

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