①环境变量添加D:\Qt\opencvbuild3.40\install\x86\mingw\bin ②打开Qt Creator新建项目(非Qt项目,纯C++应用),命名为OpenCV后,打开OpenCV.pro文件,添加如下语句: INCLUDEPATH += D:\Qt\opencvbuild3.40\install\include LIBS += -L D:\Qt\opencvbuild3.40\install\x86\mingw\bin\libopencv_*.dll LIBS += -L...