QT分模块，会有单独目录需要自己配置引用
pro

#-------------------------------------------------
#
# Project created by QtCreator 2021-06-22T11:35:00
#
#-------------------------------------------------

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = AA
TEMPLATE = app

# The following define makes your compiler emit warnings 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

CONFIG += c++11
CONFIG(debug, debug|release) {
        DESTDIR = $$PWD/../bin_d
    TARGET = AA
    CONFIG += console
    CONFIG -= qml_debug
} else {
        DESTDIR = $$PWD/../bin_r
    TARGET = AA
    CONFIG -= console
#    DEFINES += QT_NO_DEBUG_OUTPUT
}

#组件头文件包含目录
INCLUDEPATH += $$_PRO_FILE_PWD_
#自主模块包含
include($$PWD/GUI/GUI.pri)

SOURCES += \
        main.cpp

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

GUI目录
pri

INCLUDEPATH += $$PWD
include($$PWD/MainWindow/MainWindow.pri)
include($$PWD/TreeModel/TreeModel.pri)

MainWindow目录
pri配置头文件

FORMS += \
         $$PWD/MainWindow.ui \
         $$PWD/ShowWiget.ui

HEADERS += \
         $$PWD/MainWindow.h \ 
         $$PWD/ShowWiget.h
        
SOURCES += \
         $$PWD/MainWindow.cpp \ 
         $$PWD/ShowWiget.cpp

多子工程pro

好处可以单独构建每个模块

父pro

TEMPLATE = subdirs

SUBDIRS =\
      $$PWD/VTKTest/FileIO/FileIO.pro \
      $$PWD/VTKTest/GUI/GUI.pro

CONFIG += ordered

入口pro

#-------------------------------------------------
#
# Project created by QtCreator 2021-06-22T11:35:00
#
#-------------------------------------------------

QT       += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = VTKTest
TEMPLATE = app

CONFIG += c++11
# The following define makes your compiler emit warnings 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


CONFIG(debug, debug|release) {
    DESTDIR = $$PWD/../../../bin_d
    CONFIG += console
    CONFIG -= qml_debug
} else {
    DESTDIR = $$PWD/../../../bin_r
    CONFIG -= console
}


INCLUDEPATH += $$PWD

include($$PWD/MainWindow/MainWindow.pri)
include($$PWD/VTK/VTK.pri)
include($$PWD/../FileIO/FileIO.pri)
HEADERS += \

SOURCES += \
        $$PWD/main.cpp

RESOURCES += \
    $$PWD/../../../res/res.qrc

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

FileIO.pro 模块pro/子pro 也是发布第三方库的方法
方法一：该方法只是简单使用，无法实时更新到指定位置

#-------------------------------------------------
#
# Project created by QtCreator 2021-06-22T11:35:00
#
#-------------------------------------------------

QT       += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TEMPLATE = lib
# The following define makes your compiler emit warnings 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

CONFIG += c++11
#输出dll/lib
#CONFIG -= staticlib
#CONFIG += dll

CONFIG += staticlib
CONFIG -= shared

#编译输出lib/dll
CONFIG(debug, debug|release) {
   TARGET = FileIO_d
   target.path = $$PWD/Lib/lib_d
}
else {
   TARGET = FileIO
   target.path = $$PWD/Lib/lib_r
}
INSTALLS += target
#拷贝dll到指定位置
CONFIG(debug, debug|release) {
   dllTarget.files += $$PWD/Lib/lib_d/FileIO_d.dll
   dllTarget.path = $$PWD/../../../bin_d
}
else {
   dllTarget.files += $$PWD/Lib/lib_r/FileIO.dll
   dllTarget.path = $$PWD/../../../bin_r
}
INSTALLS += dllTarget

#自主模块包含
include($$PWD/CGNSIO/CGNSIO.pri)

DISTFILES += \
    FileIO.pri

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

FileIO.pri模块/子pri被主模块引用和pro同级

#如果模块中引用了外部库写在此处，模块中也要写明引用的头文件路径不然会报错
INCLUDEPATH += $$PWD/../../../External_Lib/CGNS_4.2.0/HDF5_1.12.0/include \
               $$PWD/CGNSIO
Debug: {
    LIBS += -L$$PWD/../../../External_Lib/CGNS_4.2.0/HDF5_1.12.0/Debug/lib \
            -L$$PWD/../../../External_Lib/CGNS_4.2.0/HDF5_1.12.0/Debug/lib/pkgconfig

    LIBS += -lcgns \
            -llibhdf5_cpp_D \
            -llibhdf5_D \
            -llibhdf5_hl_cpp_D \
            -llibhdf5_hl_D \
            -llibhdf5_tools_D
}
Release:{
    LIBS += -L$$PWD/../../../External_Lib/CGNS_4.2.0/HDF5_1.12.0/Release/lib \
            -L$$PWD/../../../ernal_Lib/CGNS_4.2.0/HDF5_1.12.0/Release/lib/pkgconfig

    LIBS += -lcgns \
            -llibhdf5 \
            -llibhdf5_cpp \
            -llibhdf5_hl \
            -llibhdf5_hl_cpp \
            -llibhdf5_tools
}

Debug: {
    LIBS += -L$$PWD/Lib/lib_d
    LIBS += -lFileIO_d
}
Release:{
    LIBS += -L$$PWD/Lib/release
    LIBS += -lFileIO
}

image.png

方法二：推荐使用，每次代码更改就能更新到指定位置

#-------------------------------------------------
#
# Project created by QtCreator 2021-06-22T11:35:00
#
#-------------------------------------------------

TEMPLATE = lib

# The following define makes your compiler emit warnings 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

CONFIG += c++11
#输出dll lib
CONFIG -= staticlib
CONFIG += dll

#编译输出lib/dll
CONFIG(debug, debug|release) {
   TARGET = EncryptionStr_d
   DESTDIR = $$PWD/Lib/lib_d
}
else {
   TARGET = EncryptionStr
DESTDIR = $$PWD/Lib/lib_r
}

#拷贝dll到指定位置

CONFIG(debug, debug|release) {
    copy_lib.sources = $${DESTDIR}/EncryptionStr_d.dll
    copy_lib.sources = $$replace(copy_lib.sources, /, \\)
    copy_lib.target = $$PWD/../../bin_d
    copy_lib.target = $$replace(copy_lib.target, /, \\)
    copy_lib.commands = xcopy $$copy_lib.sources $$copy_lib.target /E/Y
    QMAKE_POST_LINK+= $$copy_lib.commands
}
else {
    copy_lib.sources = $${DESTDIR}/EncryptionStr.dll
    copy_lib.sources = $$replace(copy_lib.sources, /, \\)
    copy_lib.target = $$PWD/../../bin_r
    copy_lib.target = $$replace(copy_lib.target, /, \\)
    copy_lib.commands = xcopy $$copy_lib.sources $$copy_lib.target /E/Y
    QMAKE_POST_LINK+= $$copy_lib.commands
}

HEADERS += \
    EncryptionStr.h \
    Regulation.h

SOURCES += \
    EncryptionStr.cpp \
    Regulation.cpp


# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

引用时

INCLUDEPATH += \
$$PWD/../../EncryptionStr

Debug: {
    LIBS += -L$$PWD/../../EncryptionStr/Lib/lib_d

    LIBS += -llibEncryptionStr_d
}
Release:{
    LIBS += -L$$PWD/../../EncryptionStr/Lib/lib_r

    LIBS += -llibEncryptionStr
}