64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
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#include "mainwindow.h"
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#include "./ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent), ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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ui->le_port->setText("1234");
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connect(ui->bt_start, &QPushButton::clicked, this, &MainWindow::start_server);
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connect(ui->bt_stop, &QPushButton::clicked, this, &MainWindow::stop_server);
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client = nullptr;
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::start_server()
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{
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int port = ui->le_port->text().toInt();
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if (port == 0)
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{
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return;
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}
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server.listen(QHostAddress::Any, port);
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ui->lb_state->setText("启动成功");
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ui->lb_listen_port->setText(QString::number(port));
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connect(&server, &QTcpServer::newConnection, this, &MainWindow::new_connection);
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}
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void MainWindow::stop_server()
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{
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server.close();
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ui->lb_state->setText("已停止");
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ui->lb_listen_port->setText("");
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}
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void MainWindow::new_connection()
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{
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if (server.hasPendingConnections())
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{
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std::cout<< "new connection" << std::endl;
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if (client == nullptr)
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{
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client = server.nextPendingConnection();
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connect(client, &QTcpSocket::readyRead, this, &MainWindow::read_data);
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ui->lb_client->setText("已连接");
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connect(client, &QTcpSocket::disconnected, this, &MainWindow::disconnected);
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}
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}
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}
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void MainWindow::disconnected()
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{
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ui->lb_client->setText("已断开");
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client = nullptr;
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}
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void MainWindow::read_data()
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{
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QTcpSocket *socket = qobject_cast<QTcpSocket *>(sender());
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QByteArray data = socket->readAll();
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QString str = data.data();
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ui->pte_info->append(str);
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}
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