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原因是MySQL8.0版本的加密方式和MySQL5.0的不一样,连接会报错。
更改加密方式
1.先通过命令行进入mysql的root账户
C:\mysql8.0> mysql -uroot -p
再输入root的密码:Enter password: ******
2.更改加密方式:
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;
Query OK, 0 rows affected (0.10 sec)
3.更改密码:
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
Query OK, 0 rows affected (0.35 sec)
4.刷新:
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.28 sec)
5.如果报错 ERROR 1396 (HY000): Operation ALTER USER failed for 'root'@'%' :
则是远程访问权限不正确,先选择数据库,查看一下再更改:
mysql> use mysql;
Database changed
mysql> select user,host from user;
+------------------+-----------+
| user | host |
+------------------+-----------+
| mysql.infoschema | localhost |
| mysql.session | localhost |
| mysql.sys | localhost |
| root | localhost |
+------------------+-----------+
5 rows in set (0.00 sec)
需要将 host 改为 %
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