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Clion 初始化 QT

article 2024/9/25 15:18:42

1.新建项目
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2.打开项目，如果出现报错
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By not providing “FindQt5.cmake” in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by “Qt5”, but CMake did not find one.

解决方法：安装QT5和对应的cmake软件，然后修改makelist配置文件。
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CMake安装位置：
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QT安装位置：
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3.配置CMake
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4.配置QT位置
set(CMAKE_PREFIX_PATH “D:/Library/Qt5.14.2/5.14.2/msvc2017_64/lib/cmake”)
5.配置项目生成平台为64
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6.重新加载项目
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7.运行
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QA
Q：Error copying file “D:/Library/Qt5.14.2/5.14.2/msvc2017_64/lib/cmake/Qt5/…/…/bin/Qt5Cored.dll” to “E:/092-CPP/myqt/cmake-build-debug”.
NMAKE : fatal error U1077: “echo”: 返回代码“0x1”
A：检查路径是否正确，set(CMAKE_PREFIX_PATH “D:/Library/Qt5.14.2/5.14.2/msvc2017_64/lib/cmake”)

默认CMakeLists文件

#工程名
project(uXXXSoftware)

#cmake最低版本
cmake_minimum_required(VERSION 3.17)

#C++标准
set(CMAKE_CXX_STANDARD 11)
# 开启QT用于预处理的组件
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_AUTOUIC ON)

#配置QT位置
set(CMAKE_PREFIX_PATH "D:/Library/Qt5.14.2/5.14.2/msvc2017_64/lib/cmake")

# 查找QT的模块
find_package(Qt5 COMPONENTS
        Core
        Gui
        Widgets
        REQUIRED)

add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")

# 添加源文件
add_executable(uChangAnSoftware src/main.cpp
        src/main_windows.h
        src/main_windows.cpp
        src/main_windows_layout.h
        src/main_windows_layout.cpp)

# 添加模块
target_link_libraries(uChangAnSoftware
        Qt5::Core
        Qt5::Gui
        Qt5::Widgets
)

if (WIN32 AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
    set(DEBUG_SUFFIX)
    if (MSVC AND CMAKE_BUILD_TYPE MATCHES "Debug")
        set(DEBUG_SUFFIX "d")
    endif ()
    set(QT_INSTALL_PATH "${CMAKE_PREFIX_PATH}")
    if (NOT EXISTS "${QT_INSTALL_PATH}/bin")
        set(QT_INSTALL_PATH "${QT_INSTALL_PATH}/..")
        if (NOT EXISTS "${QT_INSTALL_PATH}/bin")
            set(QT_INSTALL_PATH "${QT_INSTALL_PATH}/..")
        endif ()
    endif ()
    if (EXISTS "${QT_INSTALL_PATH}/plugins/platforms/qwindows${DEBUG_SUFFIX}.dll")
        add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
                COMMAND ${CMAKE_COMMAND} -E make_directory
                "$<TARGET_FILE_DIR:${PROJECT_NAME}>/plugins/platforms/")
        add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
                COMMAND ${CMAKE_COMMAND} -E copy
                "${QT_INSTALL_PATH}/plugins/platforms/qwindows${DEBUG_SUFFIX}.dll"
                "$<TARGET_FILE_DIR:${PROJECT_NAME}>/plugins/platforms/")
    endif ()
    foreach (QT_LIB Core Gui Widgets)
        add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
                COMMAND ${CMAKE_COMMAND} -E copy
                "${QT_INSTALL_PATH}/bin/Qt5${QT_LIB}${DEBUG_SUFFIX}.dll"
                "$<TARGET_FILE_DIR:${PROJECT_NAME}>")
    endforeach (QT_LIB)
endif ()

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