摘要：
1：要应用socket，首先得在 .prc 文件中增加：QT += network2：#include <QtNetwork/QUdpSocket>3：发送方，代码例如：connect(sendButton,SIGNAL(clicked()),this,SLOT(broadcastDatagram())); void broadcastDatagram() { QString temp="...................";QByteArraydatagram;datagram.append(temp);udpSocket->writeDatagra 阅读全文