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Mac系统下编译qt6.2.0源码，使用cmake构建项目

CMakeLists.txtcmake_minimum_required(VERSION 3.15)project(untitled)set(CMAKE_CXX_STANDARD 14)#设置qt5的cmake文件路径,让它cmake自动去寻找Qt5SET(CMAKE_PREFIX_PATH /opt/Qt5.14.0/5.14.0/gcc_64/lib/cmake)find_package(Qt5 COMPONENTS Widgets Core REQUIRED)set(CMAKE_AU

winodws下使用qt 调用poppler库，实现pdf文件加载，显示的功能。INCLUDEPATH += $$PWD/include/popplerDEPENDPATH += $$PWD/include/popplerwin32: LIBS += -L$$PWD/lib/poppler/ -lpoppler -lpoppler-qt5头文件class PdfUtils{public: explicit PdfUtils(); ~PdfUtils(); /

1、需要在pro文件中加入： QT += serialport2、串口具体使用//查找可用的串口QList<QSerialPortInfo> localAvailablePorts = QSerialPortInfo::availablePorts();serial = new QSerialPort;//创建串口通信类serial->setPortName(ui->PortBox->currentText());//设置串口名serial...

//构造请求 QNetworkRequest request; request.setUrl(QUrl("http://32g941c201.wicp.vip:11980/school-api/school/tmatrix/login")); request.setHeader(QNetworkRequest::ContentTypeHeader,"application/json"); //构造json字符串 QJsonObject jsonObject...