@echo 取日期、时间变量值
set yy=%date:~0,4%
set mm=%date:~5,2%
set dd=%date:~8,2%
if /i %time:~0,2% lss 10 set hh=0%time:~1,1%
if /i %time:~0,2% geq 10 set hh=%time:~0,2%
set mn=%time:~3,2%
set ss=%time:~6,2%
set date=%yy%%mm%%dd%
set time=%hh%%mn%%ss%
set filename=%date%_%time%
cd C:\wamp\bin\mysql\mysql5.6.17\bin
mysqldump -uroot -pbw200711 --default-character-set=utf8 --opt --extended-insert=false --triggers -R --hex-blob -x tank3db>c:\wamp\mysqlbak\%filename%.sql
@echo 导出已经完成

mysql 备份