C:\MYSQL\mysql-8.0.25-winx64\mysql-8.0.25-winx64\bin>mysqld --initialize --conso
le
2021-06-09T13:47:54.202502Z 0 [System] [MY-013169] [Server] C:\MYSQL\mysql-8.0.2
5-winx64\mysql-8.0.25-winx64\bin\mysqld.exe (mysqld 8.0.25) initializing of serv
er in progress as process 10984
2021-06-09T13:47:54.203500Z 0 [ERROR] [MY-010457] [Server] --initialize specifie
d but the data directory has files in it. Aborting.
2021-06-09T13:47:54.203501Z 0 [ERROR] [MY-013236] [Server] The designated data d
irectory C:\MYSQL\mysql-8.0.25-winx64\mysql-8.0.25-winx64\ is unusable. You can
remove all files that the server added to it.
2021-06-09T13:47:54.205500Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-06-09T13:47:54.206501Z 0 [System] [MY-010910] [Server] C:\MYSQL\mysql-8.0.2
5-winx64\mysql-8.0.25-winx64\bin\mysqld.exe: Shutdown complete (mysqld 8.0.25)
MySQL Community Server - GPL.
你看一下你的my.ini 的配置是否正确
basedir=D:\\mysql-5.7.27-winx64
这个是用来设置mysql 程序的安装位置 注意 需要两个斜杠
datadir=D:\\mysql-5.7.27-winx64\\data
这个是用来设置mysql数据库的数据存放目录