安装mysql

下载安装包

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

解压，设置环境变量

管理员权限cmd，进入/bin目录下

 mysqld --initialize-insecure --user=mysql 
 mysqld -install
 net start MySQL

修改密码

mysql -u root -p
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';