###直接上bat1
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8@echo off
set yMd=%date:~,4%-%date:~5,2%-%date:~8,2%_
set HH=%TIME:~0,2%
if %TIME:~0,2% leq 9 (set HH=0%TIME:~1,1%)else set HH=%TIME:~0,2%
set mmss=-%TIME:~3,2%-%TIME:~6,2%
set datetime=%yMd%%HH%%mmss%
"D:\Program Files\MySQL\MySQL Server 5.6\bin\mysqldump" --opt -u root --password=root dzhaidb > D:\db_bak\baibaydb\dzhaidb_%datetime%.sql
@echo on
###Note
先在cmd命令中看看自己系统日期的格式化 date 和 time