DEFINES += QT_DLL QWT_DLL
LIBS += -L"C:/Qt/Qt5.6.2/5.6/msvc2013/lib" -lqwtd \
-L"C:/Qt/Qt5.6.2/5.6/msvc2013/lib" -lqwt
INCLUDEPATH += C:/Qt/Qt5.6.2/5.6/msvc2013/include/Qw