QT + VS2019 实现与三菱PLC的通讯

QT_SYSROOT: QT_INSTALL_PREFIX:D:/Qt/Qt5.12.9/5.12.9/msvc2017 QT_INSTALL_ARCHDATA:D:/Qt/Qt5.12.9/5.12.9/msvc2017 QT_INSTALL_DATA:D:/Qt/Qt5.12.9/5.12.9/msvc2017 QT_INSTALL_DOCS:D:/Qt/Qt5.12.9/Docs/Qt-5.12.9 QT_INSTALL_HEADERS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/include QT_INSTALL_LIBS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/lib QT_INSTALL_LIBEXECS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/bin QT_INSTALL_BINS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/bin QT_INSTALL_TESTS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/tests QT_INSTALL_PLUGINS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/plugins QT_INSTALL_IMPORTS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/imports QT_INSTALL_QML:D:/Qt/Qt5.12.9/5.12.9/msvc2017/qml QT_INSTALL_TRANSLATIONS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/translations QT_INSTALL_CONFIGURATION: QT_INSTALL_EXAMPLES:D:/Qt/Qt5.12.9/Examples/Qt-5.12.9 QT_INSTALL_DEMOS:D:/Qt/Qt5.12.9/Examples/Qt-5.12.9 QT_HOST_PREFIX:D:/Qt/Qt5.12.9/5.12.9/msvc2017 QT_HOST_DATA:D:/Qt/Qt5.12.9/5.12.9/msvc2017 QT_HOST_BINS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/bin QT_HOST_LIBS:D:/Qt/Qt5.12.9/5.12.9/msvc2017/lib QMAKE_SPEC:win32-msvc QMAKE_XSPEC:win32-msvc QMAKE_VERSION:3.1 QT_VERSION:5.12.9