#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QtCore/QCoreApplication>
#include "zlib.h"
#include "stdio.h"
#include "qdebug.h"
#include "qfile.h"
#include <QFileDialog>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::on_pushButton_clicked()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"),"/home",tr("File (*.txt)"));
if(fileName.isEmpty()){
return;
}
QFile file(fileName);
if(!file.exists()){
return;
}
if(!file.open(QIODevice::ReadOnly)){
return;
}
qint64 length = file.size();
QByteArray buff;
buff = file.read(length);
file.close();
buff = qCompress(buff,5);
QFileInfo fileInfo(file);
QString fileDir = fileInfo.absoluteDir().absolutePath();
qDebug()<<fileDir;
QString newFileName = fileDir + "/encrpt.txt";
if(newFileName.isEmpty()){
return;
}
QFile newfile(newFileName);
if(!newfile.open(QIODevice::WriteOnly)){
return;
}
newfile.write(buff);
newfile.close();
}
void MainWindow::on_pushButton_2_clicked()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"),"/home",tr("File (*.txt)"));
if(fileName.isEmpty()){
return;
}
QFile read(fileName);
if(!read.exists()){
return;
}
if(!read.open(QIODevice::ReadOnly)){
return;
}
QByteArray data;
data = read.readAll();
read.close();
data = qUncompress(data);
QFileInfo fileInfo(read);
QString fileDir = fileInfo.absoluteDir().absolutePath();
qDebug()<<fileDir;
QString tempFileName = fileDir + "/dencrpt.txt";
if(tempFileName.isEmpty()){
return;
}
QFile tempfile(tempFileName);
if(!tempfile.open(QIODevice::WriteOnly)){
return;
}
tempfile.write(data);
tempfile.close();
}
