我正在用 qt 开发一个简单的 tcp 服务器。没有问题。但问题是,我已经在列表框中列出了每个连接的客户端,我只想从列表框中查看来自所选客户端的传入数据,但我只能看到最后连接的客户端的消息。这是代码,这是构造函数部分
server = new QTcpServer();
client = new QTcpSocket();
connect(server, SIGNAL(newConnection()),this, SLOT(acceptConnection()));
server->listen(QHostAddress::Any, ui->txtPort->text().toInt(bool(),10));
if(server->isListening())
{
ui->statusBar->showMessage("Server Started..");
}
else
{
ui->statusBar->showMessage("Server Not Started..");
}
connect(client,SIGNAL(disconnected()),this,SLOT(client_disconnected()));
connect(ui->listWidget,SIGNAL(clicked(QModelIndex)),this,SLOT(selected_client()));
这是 acceptConnection() 部分
client = server->nextPendingConnection();
ui->listWidget->insertItem(client_count,client->peerAddress().toString());
client_count++;
这是 listWidget 项目的选定项目事件
ui->txtRead->clear();
selected_client_index = ui->listWidget->currentIndex().row();
connect(client, SIGNAL(readyRead()),this, SLOT(startRead()));
最后是 startRead() 部分
char buffer[1024] = {0};
client->read(buffer, client->bytesAvailable());
qDebug() << buffer;
ui->txtRead->insertPlainText(buffer);
如何选择特定客户端并显示其消息?提前致谢。