g++ hello.cpp -I /opt/bin/qt570/5.7/gcc_64/include/ -L /opt/bin/qt570/5.7/gcc_64/lib/ -lQt5Core -fpic
#include#include // #include int main(int argc, char *argv[]){ // QCoreApplication a(argc, argv); QObject obj; obj.setObjectName( "test" );// std::cout << obj.objectName().toLocal8Bit().constData(); // 显示到标准输出流(不是Creator集成的控制台) qDebug() << obj.objectName(); qDebug() << "hello\n"; qDebug() << "你好!"; //return a.exec();}