Qt 网络编译错误: QHostAddress: No such file or directory

编译错误：

QHostAddress: No such file or directory

解决方法:

在CMakeLists.txt中加入如下内容:

find_package(Qt5Network  REQUIRED) 或者find_package(Qt5 COMPONENTS Core Widgets Xml Network REQUIRED)

 include_directories(
   ${EIGEN3_INCLUDE_DIR}
   ${Qt5Core_INCLUDE_DIRS}
   ${Qt5Widgets_INCLUDE_DIRS}
   ${Qt5Gui_INCLUDE_DIRS}
   ${Qt5Network_INCLUDE_DIRS}
   ${CMAKE_CURRENT_SOURCE_DIR}/include/
 )

target_link_libraries(show_image_RPC
   ${QT_LIBRARIES}
   Qt5::Widgets
   Qt5::Network
 )