MQTT 订阅范例

QT       += core gui network widgets mqtt
TARGET = mqttsubscriptions
# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
SOURCES += main.cpp\
        mainwindow.cpp \
    subscriptionwindow.cpp
HEADERS  += mainwindow.h \
    subscriptionwindow.h
FORMS    += mainwindow.ui \
    subscriptionwindow.ui
target.path = $$[QT_INSTALL_EXAMPLES]/mqtt/subscriptions
INSTALLS += target