学步园

#include <QtCore/QCoreApplication>

#include <QTextStream>

int main(int argc, char *argv[])

{

    QCoreApplication a(argc, argv);

    QString out_str="pleas input:";

    QTextStream out(stdout);

    out << out_str <<endl;

    QString in_str;

    QTextStream in(stdin);

    in>>in_str;

    out<<in_str<<endl;

    return a.exec();

}