其实for /l %i in (1,1,99) do @echo %i 括号中间的分隔号有多种
形式如下：
for /l %i in (1,1,99) do @echo %i
for /l %i in (1 1 99) do @echo %i
for /l %i in (1;1;99) do @echo %i
for /l %i in (1=1=99) do @echo %i
for /l %i in (1tab>1tab>99) do @echo %i tab>----tab键