一般可能是配置chul出了问题,需添加头文件 #include<opencv\highgui.h>
楼主只添加 #include <opencv2\opencv.hpp> 头文件时,任然报错。(头大)
https://blog.youkuaiyun.com/dengshuaifei/article/details/51213609
http://www.opencv.org.cn/forum.php?mod=viewthread&tid=38209
https://blog.youkuaiyun.com/u011263315/article/details/41545083