set "Ymd=%date:~,4%%date:~5,2%%date:~8,2%"
md "c:\mysqlbak\%ymd%"
"C:\Program Files\MySQL\MySQL Server 5.5\bin\mysqldump.exe" --op -Q dbfood -uroot -p123456 > c:\mysqlbak\%Ymd%\mysql.sql
eche Winrar loading...
可选 （压缩）
"C:\Program Files\WinRAR\WinRAR.exe" a -ep1 -r -o+ -m5 -df "c:\mysqlbak\%Ymd%.rar" "c:\mysqlbak\%Ymd%"
echo OK!