zl20083013

A1

@echo off
set str=I LOVE,bbs;bathome.net,
set a=%str:.=,%
for %%i in (%a%)do echo %%iCOPY

A2

@echo off
set str=I LOVE,bbs;bathome.net,
set a=%str:.=,%
for %%i in (%a%)do set b=%%i
echo %b%COPY

呜呜 才知道变量可以这样用。。