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# Automatically generated by qmake (3.1) Thu Mar 7 14:03:07 2019
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TEMPLATE = app
TARGET = example
INCLUDEPATH += .
# The following define makes your compiler warn you if you use any
# feature of Qt which has 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
# Input
SOURCES += hello.cpp
QT += widgets
PS:如果你不加入QT += widgets,在编译时,会出现fatal error: QApplication: No such file or directory的报错: