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main.cpp
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main.cpp
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#include "mainwindow.h"
#include <QApplication>
#include <QDir>
#include <QDebug>
#include <QFile>
void Write(QString Filename)
{
QFile mFile(Filename);
if(!mFile.open(QFile::WriteOnly | QFile::Text))
{
qDebug()<<"Could not open file for writing";
return;
}
QTextStream out(&mFile);
out<<"Hello World";
mFile.flush();
mFile.close();
}
void Read(QString Filename)
{
QFile mFile(Filename);
if(!mFile.open(QFile::ReadOnly | QFile::Text))
{
qDebug()<<"Could not open file for writing";
return;
}
QTextStream in(&mFile);
QString mText = in.readAll();
qDebug()<<mText;
mFile.close();
}
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
// QDir mDir("C:/QtProjects") ;
// foreach(QFileInfo mItm, mDir.drives())
// {
// qDebug() << mItm.absoluteFilePath();
// }
// qDebug()<<mDir.exists();
QString mFilename ="D:/test/myfile.txt";
Write(mFilename);
Read(mFilename);
MainWindow w;
w.show();
return a.exec();
}