在创建项目的.pro文件中加入:
INCLUDEPATH += D:/opencv/opencv/build/include
CONFIG (debug, debug|release) {
LIBS += -LD:/opencv/opencv/build/x64/vc14/lib -lopencv_world452d
}
else {
LIBS += -LD:/opencv/opencv/build/x64/vc14/lib -lopencv_world452
}
就可以使用opencv了