QT UDP 发送数据

#include "mainwindow.h" #include "ui_mainwindow.h" // Kou #include <QtNetwork> #include <QByteArray> #include <QUdpSocket> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); // Kou mSocket = new QUdpSocket(this); } MainWindow::~MainWindow() { delete ui; } void MainWindow::on_enviar_clicked() { // Kou auto datagrama = ui->msj->text().toLatin1(); mSocket->writeDatagram(datagrama, QHostAddress::Broadcast,ui->puerto->value()); }