学步园

mainwindow.cpp

#include "mainwindow.h"<br /> #include "ui_mainwindow.h"</p> <p>MainWindow::MainWindow(QWidget *parent) :<br /> QMainWindow(parent),<br /> ui(new Ui::MainWindow)<br /> {<br /> ui->setupUi(this);</p> <p>}</p> <p>MainWindow::~MainWindow()<br /> {<br /> delete ui;<br /> }<br /> void MainWindow::connectHost()<br /> {<br /> this->connectSocket = new QTcpSocket;<br /> this->connectSocket->connectToHost(QHostAddress("192.168.1.36"),8888);<br /> QObject::connect(this->connectSocket,SIGNAL(connected()),this,SLOT(processConnection()));</p> <p>}<br /> #include <QByteArray><br /> void MainWindow::processConnection()<br /> {</p> <p> QByteArray *array =new QByteArray;<br /> array->clear();<br /> array->append(ui->lineEdit->text());<br /> // ui->lineEdit->text(); // QString<br /> this->connectSocket->write(array->data());<br /> }</p> <p>void MainWindow::on_pushButton_clicked()<br /> {<br /> this->connectHost();<br /> }<br />

mainwindow.h

#ifndef MAINWINDOW_H<br /> #define MAINWINDOW_H</p> <p>#include <QMainWindow><br /> #include <QtNetwork/QTcpSocket><br /> #include <QtNetwork/QHostAddress></p> <p>namespace Ui {<br /> class MainWindow;<br /> }</p> <p>class MainWindow : public QMainWindow<br /> {<br /> Q_OBJECT</p> <p>public:<br /> explicit MainWindow(QWidget *parent = 0);<br /> ~MainWindow();</p> <p>private:<br /> Ui::MainWindow *ui;<br /> QTcpSocket *connectSocket;</p> <p>private slots:<br /> void on_pushButton_clicked();<br /> void processConnection();<br /> void connectHost();<br /> };</p> <p>#endif // MAINWINDOW_H<br />

main.cpp

#include <QtGui/QApplication><br /> #include "mainwindow.h"</p> <p>int main(int argc, char *argv[])<br /> {<br /> QApplication a(argc, argv);<br /> MainWindow w;<br /> w.show();</p> <p> return a.exec();<br /> }<br />