win10下安装MySQL 8.0.*实录

下载MySQL

https://dev.mysql.com/downloads/mysql/

选择完版本点download。

修改MYSQL_HOME值为8.0.*的，无须重启电脑。

创建ini配置文件

在mysql-8.0.46-winx64目录下新建my.ini文件，内容如下：

复制代码

[mysqld]
# 设置3306端口
port=3306
# 设置mysql的安装目录,可以更改
basedir=D:\mogx\doc\dev-env\mysql-8.0.46-winx64
# 设置mysql数据库的数据的存放目录,可以更改
datadir=D:\mogx\doc\dev-env\mysql-8.0.46-winx64\data
# 允许最大连接数
max_connections=200
# 允许连接失败的次数。
max_connect_errors=10
# 服务端使用的字符集默认为utf8mb4
character-set-server=utf8mb4
# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB
# 默认使用"mysql_native_password"插件认证
#mysql_native_password
default_authentication_plugin=mysql_native_password

[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8mb4

[client]
# 设置mysql客户端连接服务端时默认使用的端口
port=3306
default-character-set=utf8mb4

初始化及安装

以【管理员身份】打开cmd。

初始化命令：mysqld --initialize --console。

注：其中root@localhost: 后面的就是初始密码，初次登陆时要用到，千万要记下来。

安装命令：mysqld --install

启动和修改密码

启动命令：net start mysql

密码修改：ALTER USER USER() IDENTIFIED BY '123456';

成功后退出：quit

命令如：

bash 复制代码

C:\Users\Administrator>mysqld --initialize --console
2026-08-07T06:29:58.556675Z 0 [System] [MY-013169] [Server] D:\mogx\doc\dev-env\mysql-8.0.46-winx64\bin\mysqld.exe (mysqld 8.0.46) initializing of server in progress as process 11964
2026-08-07T06:29:58.560178Z 0 [Warning] [MY-013242] [Server] --character-set-server: 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
2026-08-07T06:29:58.622929Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-08-07T06:30:00.352720Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-08-07T06:30:04.154606Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: RFwigAGnh1,Y

C:\Users\Administrator>mysqld --install
Service successfully installed.

C:\Users\Administrator>net start mysql
MySQL 服务正在启动 ..
MySQL 服务已经启动成功。

C:\Users\Administrator>mysql -u root -p
Enter password: ************
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.46

Copyright (c) 2000, 2026, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> ALTER USER USER() IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.03 sec)

mysql> quit
Bye

若安装时出现

则需要删除mysql服务。具体操作参考：https://blog.csdn.net/molaoye/article/details/163562357

完了之后再重新安装至修改密码。

若使用Navicat客户端连接数据库时出现

client does not support authentication protocol requested by server;consider upgrading mysql client

通常是因为MySQL服务器使用了较新的认证方法（如caching_sha2_password或authentication_plugin=mysql_native_password），而客户端使用的是较旧的版本或者不支持这些新方法。

可以修改MySQL用户的认证协议为较旧的版本，例如mysql_native_password，这通常是大多数客户端支持的。使用以下SQL命令来更改用户的认证协议：

bash 复制代码

ALTER USER 'yourusername'@'yourhost' IDENTIFIED WITH mysql_native_password BY 'yourpassword';
FLUSH PRIVILEGES;

替换yourusername、yourhost和yourpassword为实际的用户名、主机和密码。

参考：

https://www.moltke.cn/detail/107

https://blog.51cto.com/u_14691/8102717