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1楼：

[liulin188 2020-09-20 20:24]

2楼：udpSock->writeDatagram(ba, QHostAddress("192.168.18.125"), 15551);
改成这样 ..

[hp_201111 2020-09-21 15:05]

3楼：liulin188: (2020-09-20 20:24)
恕我愚昧我不太理解您的意思

[zxallen 2020-09-21 17:39]

4楼：hp_201111:udpSock->writeDatagram(ba, QHostAddress("192.168.18.125"), 15551);
[zxallen 2020-09-21 17:40]