QDlt 示例

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#include <QCoreApplication> #include <QTimer> #include <QtGeniviExtras/QtDlt> #include <iostream> #include "loggingcategories.h" int main(int argc, char *argv[]) { qInstallMessageHandler(QDltRegistration::messageHandler); QCoreApplication a(argc, argv); QTimer timer; timer.connect(&timer, &QTimer::timeout, [] { static int counter = 0; counter++; qCCritical(FOO) << "FOO CATEGORY" << counter; qCWarning(BAR) << "BAR CATEGORY" << counter; qCritical() << "FALLBACK" << counter; if (FOO().isDebugEnabled()) { std::cout << "LONG TAKING OPERATION ONLY ENABLED IN DEBUG" << std::endl; qCDebug(FOO) << "Debug Statement" << counter; } }); timer.setInterval(1000); timer.start(); return a.exec(); }