#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
m_file = nullptr;
m_stream = nullptr;
init();
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::on_inputBtn_clicked()
{
QString str = ui->plainTextEdit->toPlainText();
if(m_stream != nullptr)
{
*m_stream << str << "\r\n";
m_stream->flush();
}
}
void MainWindow::init()
{
QString filePath = qApp->applicationDirPath() + "/log.txt";
m_file = new QFile(filePath);
m_stream = new QTextStream(m_file);
m_file->open(QIODevice::WriteOnly | QIODevice::Append);
}
void MainWindow::on_clostBtn_clicked()
{
if(m_file != nullptr)
{
m_file->close();
delete m_file;
m_file = nullptr;
}
if(m_stream != nullptr)
{
delete m_stream;
m_stream = nullptr;
}
}
