bat手动备份数据库，当前时间命名备份文件名

cd C:\Program Files\Huweishen.com\PHPWEB\MySQL Server 5.5\bin
mysqldump -uroot -pxxxx hrfx > E:\hrfxbackup\手动备份数据库文件\%date:~0,4%%date:~5,2%%date:~8,2%hrfxsqlbackup.sql
exit