项目中引用自建的动态库-优快云博客

在 TestComp 项目中引用

CMakeLists.txt

cmake_minimum_required(VERSION 3.16)

project(TestComp VERSION 0.1 LANGUAGES CXX)

set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets)
find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets)

set(PROJECT_SOURCES
        main.cpp
        mainwindow.cpp
        mainwindow.h
)

if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
    qt_add_executable(TestComp
        MANUAL_FINALIZATION
        ${PROJECT_SOURCES}
    )
# Define target properties for Android with Qt 6 as:
#    set_property(TARGET TestComp APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
#                 ${CMAKE_CURRENT_SOURCE_DIR}/android)
# For more information, see https://doc.qt.io/qt-6/qt-add-executable.html#target-creation
else()
    if(ANDROID)
        add_library(TestComp SHARED
            ${PROJECT_SOURCES}
        )
# Define properties for Android with Qt 5 after find_package() calls as:
#    set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android")
    else()
        add_executable(TestComp
            ${PROJECT_SOURCES}
        )
    endif()
endif()

target_link_libraries(TestComp PRIVATE Qt${QT_VERSION_MAJOR}::Widgets ${A_LIBRARY})

# Qt for iOS sets MACOSX_BUNDLE_GUI_IDENTIFIER automatically since Qt 6.1.
# If you are developing for iOS or macOS you should consider setting an
# explicit, fixed bundle identifier manually though.
if(${QT_VERSION} VERSION_LESS 6.1.0)
  set(BUNDLE_ID_OPTION MACOSX_BUNDLE_GUI_IDENTIFIER com.example.TestComp)
endif()
set_target_properties(TestComp PROPERTIES
    ${BUNDLE_ID_OPTION}
    MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
    MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
    MACOSX_BUNDLE TRUE
    WIN32_EXECUTABLE TRUE
)

include(GNUInstallDirs)
install(TARGETS TestComp
    BUNDLE DESTINATION .
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)

if(QT_VERSION_MAJOR EQUAL 6)
    qt_finalize_executable(TestComp)
endif()


# 根据平台定义可能的库文件名
if(WIN32)
    set(A_LIB_NAME "QtCompLib.dll" "QtCompLib.lib")  # Windows下的动态库和导入库
elseif(UNIX)
    set(A_LIB_NAME "libQtCompLib.so")       # Linux下的共享库
elseif(APPLE)
    set(A_LIB_NAME "libQtCompLib.dylib")    # macOS下的动态库
endif()

# 查找A库
find_library(A_LIBRARY
    NAMES ${A_LIB_NAME}
    PATHS "D:/CODE/Library/bin"
          "D:/CODE/Library/lib"  # 额外检查lib目录（Windows的.lib可能在这里）
    NO_DEFAULT_PATH
)

if(NOT A_LIBRARY)
    message(FATAL_ERROR "A库未找到！请确认以下路径是否存在A库文件：
    - D:/CODE/Library/bin
    - D:/CODE/Library/lib
    预期的库文件名：${A_LIB_NAME}")
endif()

# 头文件路径
include_directories("D:/CODE/Library/include")

mainwindow.cpp

#include "mainwindow.h"
#include "basebutton.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    BaseButton *b = new BaseButton(this);

}

MainWindow::~MainWindow() {}