#include <iostream>#include <QtCore>#include <QDebug>using namespace std;int main(int argc, char *argv[]){	QCoreApplication app(argc, argv);		QStringList args = app.arguments();	QString fileName;	if (args.count() > 1)		fileName = args[1];	else {		cout << "請提供文件名." << endl;		return 1;	}	QFile file(fileName);	if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {		cout << "打開文件出錯." << endl;		return -2;	}	while (!file.atEnd()) {		QByteArray line = file.readLine();		for (int i = 0; i < line.size(); ++i)			cout << line[i];		}	/*	QTextStream in(&file);	while (!in.atEnd()) {		QString line = in.readLine();		cout << qPrintable(line) << endl;	}	return 0;*/}