lys5300

@echo off&setlocal enabledelayedexpansion
set/a num=10
for /l %%a in (1 1 10) do (
echo !num!
set /a num=!num!-1
ping /n 2 127.0.1>nul
)
set/a num=
pause>nul
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[ 本帖最后由 lys5300 于 2010-10-5 21:55 编辑 ]