您可以分支％1的值.例如,一种方法是这样做
- if "%1"=="" goto bad
- :good
- rem Do processing here
- goto end
- :bad
- rem Do error handling here
- :end
- if "%1"=="" goto bad
- :good
- rem Do processing here
- goto end
- :bad
- rem Do error handling here
- :end
