MySQL自动备份 .bat 七天一轮循

@echo off
set "Ymd=%date:~,4%%date:~5,2%%date:~8,2%"
C:/HwsNginxMaster/mysql/bin/mysqldump --opt -hlocalhost -u用户名 -p密码 --default-character-set=utf8  数据库名称 > C:\dbbackup\gcxshop_%Ymd%.sql
forfiles /p C:\dbbackup /m *.sql -d -7 /c "cmd /c del /f @path"
@echo on