批处理怎样实现双层循环？ 批处理如何实现循环按pagedown
\u600e\u4e48\u8bbe\u8ba1\u6279\u5904\u7406\u547d\u4ee4\uff0c\u5b9e\u73b0\u76f8\u540c\u529f\u80fd\u7684\u5faa\u73af\uff1f@echo offfor /l %%a in (1,1,100) do ( if %%a lss 10 ( md DIR00%%a call:Copy "DIR00%%a" ) else ( if %%a lss 100 ( md DIR0%%a call:Copy "DIR0%%a" ) else ( md DIR%%a call:Copy "DIR%%a" ) ))pauseexit:Copypushd %1for /l %%b in (1,1,100) do ( if %%b lss 10 ( copy ..\001.txt 00%%b.txt ) else ( if %%b lss 100 ( copy ..\001.txt 0%%b.txt ) else ( copy ..\001.txt %%b.txt ) ))popd
@ECHO OFFECHO CreateObject("WScript.Shell").SendKeys "{PGDN}">%Temp%\pgnd.vbs:loopping -n 6 127.1>nulcscript /nologo %temp%\pgnd.vbsGOTO loopPAUSE\u4ee5\u4e0a\u4e3a\u6279\u5904\u7406\u4ee3\u7801
\u4f7f\u7528\u6279\u5904\u7406\u8c03\u7528vbs\u6765\u5b9e\u73b0\u6a21\u62df\u6309\u952e,\u5efa\u8bae\u76f4\u63a5\u4f7f\u7528vbs\u6765\u6a21\u62df\u6309\u952e,\u8fd9\u6837\u5c31\u6ca1\u6709cmd\u7a97\u53e3.
------------------------------------------------------\u5206\u5272\u7ebf------------------------------------------------------
doWScript.Sleep 5000CreateObject("WScript.Shell").SendKeys "{PGDN}"loop\u4ee5\u4e0a\u4e3avbs\u4ee3\u7801
\u4fdd\u5b58\u4e3a name.vbs \u8fd0\u884c\u5373\u53ef.
这段代码其实是为了适应写代码时不定层数的for命令，或者说循环次数是个变量，那么普通写法就不可能写出套多少个for以及多少个括号等等，它就把整个需要用的命令先用一个for命令设置成变量，其中三个set设置的: fo 是以后for 命令的“头部”，end是“尾部”，而 echo 则是这些层里的主要命令,最后pause之上的三行才是真正的多层for命令。
应该说这代码设置时引号位置不好，以致又来处理引号
@echo off &setlocal enabledelayedexpansion
set /p n=输入位数,最大为9:
for /l %%x in (1,1,%n%) do (
set "fo=for %%%%x in (0 1 2 3 4 5 6 7 8 9) do (!fo!"
set "end=!end!)"
set "echo=!echo! %%%%x"
)
%fo%
echo %echo%
%end%
pause
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