windows下创建MySQL定时备份与删除脚本

rem *****************************Code start****************************
@echo off
set SrcDir=E:\mysql_backup　　
set DaysAgo=30
set "Ymd=%date:~,4%%date:~5,2%%date:~8,2%"
"C:\Program Files\MySQL\MySQL Server 5.7\bin\mysqldump" --opt -uroot -p123456 --all-databases --max_allowed_packet=512M > "E:\mysql_backup\backup_%Ymd%.sql"
forfiles /p %SrcDir% /s /m *.sql/d -%DaysAgo% /c "cmd /c del /f /q /a @path"
@echo on
rem *****************************Code End******************************