xxx.bat关于导出oracle备份

@echo on
exp wms/[email protected]:1521/wms210 file=D:\data_back_210\wms210_%date:~0,4%%date:~5,2%%date:~8,2%_"%time:~0,2%%time:~3,2%".dmp
pause

 

生成结果：wms210_20130925_1904.dmp

结果分析：%date:~0,4%==2013

                 %date:~5,2%==0925

                 "%time:~0,2%%time:~3,2%"==1904(时间转换成字符串用" ")

                 pause=自动截至