'winrar' is not recognized as an internal or external command, operable program or batch file.
'winrar'isnotrecognizedasaninternalorexternalcommand,
operableprogramorbatchfile.默认安装完winrar后,命令行是不支持winrar命令的,会报以上错误。解决办法:需要设置环境变量,path值为winrar的安装路径。如果path里面设置过其他的环境变量,值里面各路径需要用分号隔开。