MySQL如何解决Host is not allowed to connect to this MySQL server

在运行Android studio时，日志中报错Host is not allowed to connect to this MySQL server，

解决方案：1、登录MySQL控制台：在电脑下方搜索

2、选择上图中Unicode

3、输入MySQL密码

4、根据命令

mysql> use mysql;
Database changed
mysql> update user set host='%' where user='root';
Query OK, 1 row affected (0.04 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> flush privileges;
Query OK, 0 rows affected (0.02 sec)
5、关闭后，重新运行app,即成功