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1、fatal error C1083: 无法打开包括文件:“opencv2/core/cvdef.h”: No such file or directory
https://blog.csdn.net/jidushanzhu/article/details/52738319
2、Vs安装OpenCv无法打开包括文件:“opencv2/core/core_c.h”
https://blog.csdn.net/u010202896/article/details/42972737
3、https://www.cnblogs.com/Genrobot/p/6055431.html
4、安装https://blog.csdn.net/poem_qianmo/article/details/19809337