sgaizxt001

@echo off
for %%a in (c d e f) do (
  for /f "delims=" %%b in ('dir /s /b /a-d %%a:\WinRAR.exe') do set str="%%~fb"
)
start "" %str% e -p123 c:\123.rar *.*
pause
复制代码

很慢，因为需要去查找winrar

sgaizxt001

if /i exist "c:\program files\winrar\winrar.exe" start "" "c:\program files\winrar\winrar.exe" e -p123 c:\123.rar *.*
if /i exist "d:\program files\winrar\winrar.exe" start "" "d:\program files\winrar\winrar.exe" e -p123 c:\123.rar *.*

用if exist来判断winrar是否存在。代码我没测试