void My_socket::on_ReadBackText()
{
qint64 DataNum = tcpSocket.bytesAvailable();//获得TCP需要read的字节数
char data[35] = {0};
qint64 num = tcpSocket.read(data, DataNum);
qDebug("返回的数据包有%d位,值为%s",DataNum,data);
if (num <= 0) {
ui.ReceiveWid->appendPlainText(QString::fromLocal8Bit("获取继电器状态失败....."));
}
else {
int DataLen = strlen(data);
const QString string = QString(QLatin1String(data));
ui.ReceiveWid->appendPlainText(string);
}
}
![图片说明](https://img-ask.csdn.net/upload/201908/29/1567070306_881663.jpg)
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非十六进制发送的串接收正常
tcpSocket.bytesAvailable()获取的字符数量正确,
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懂得帮忙给看看,万分感谢!!!!!