opencv是用brew安装的
INCLUDEPATH += /usr/local/include/opencv4 \
/usr/local/include/opencv4/opencv2
LIBS += /usr/local/lib/libopencv_*这是我的pro文件配置
https://blog.csdn.net/weixin_43807244/article/details/115028276?spm=1001.2014.3001.5502
已解决