::code by lxmxn @ cn-dos.net . ::目的：幫助新手們更好的理解變量字符截取功能. ::Date 2006-12-16 . ::說明：有的變量截取之后值為空，這是正常的. @echo off&setlocal EnableDelayedexpansion ::設置變量var的值： set var=0123456789ABCDEF call :begin for /l %%a in (1,3,15) do ( for /l %%b in (1,4,15) do ( call :printf %%a %%b ) ) call :begin for /l %%a in (1,4,15) do ( for /l %%b in (-1,-3,-15) do ( call :printf %%a %%b ) ) call :begin for /l %%a in (-2,-3,-15) do ( for /l %%b in (1,4,15) do ( call :printf %%a %%b ) ) call :begin for /l %%a in (-1,-4,-15) do ( for /l %%b in (-2,-3,-15) do ( call :printf %%a %%b ) ) pause endlocal&cls&echo. echo 演示結束了，任意鍵退出…… pause>nul goto :eof
