shelluserwlb

回复 12# changedirectory


    for /f "tokens=* delims= " %%i in ("%hc%") do set "hc=%%i"
   
  上面这句话是清除前导空格以提取字符，例如原先hc="   abc "，执行后hc="abc"
例：
@echo off
set hc=  abc  
echo 原先：%hc%
for /f "tokens=* delims= " %%i in ("%hc%") do set "hc=%%i"
echo 提取：%hc%
pause