解压文件时报错：装入归档文件时出现了一个错误 cannot find zipfile directory in one of

解压文件

unzip opencv-3.4.8

报错：

Archive:  opencv-3.4.8.zip
  End-of-central-directory signature not found.  Either this file is not
  a zipfile, or it constitutes one disk of a multi-part archive.  In the
  latter case the central directory and zipfile comment will be found on
  the last disk(s) of this archive.
note:  opencv-3.4.8.zip may be a plain executable, not an archive
unzip:  cannot find zipfile directory in one of opencv-3.4.8 or
        opencv-3.4.8.zip, and cannot find opencv-3.4.8.ZIP, period.

直接提取是报错：装入归档文件时出现了一个错误
解决办法
用一下命令解压

jar xvf opencv-3.4.8.zip 

实测好用；