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#ifndef MYUDPSOCKET_H
#define MYUDPSOCKET_H
#include <QUdpSocket>
class MyUDPSocket:public QUdpSocket
{
public:
//MyUDPSocket(QObject *):QUdpSocket(QObject *); 这里有错误,忘记怎么用父类的构造函数了
qint64 sendDatagram(QString a);
};
#include "MyUDPSocket.h"
qint64 MyUDPSocket::sendDatagram(QString a)
{
qint16 port=5555;
return writeDatagram(
a.toLatin1(),
a.length(),
QHostAddress::Broadcast,
port);
}