QT简单TCP多线程服务器端

#include "dialog.h" #include "ui_dialog.h" Dialog::Dialog(QWidget *parent) : QDialog(parent), ui(new Ui::Dialog) { ui->setupUi(this); count = 0; ui->num->setText(QString("%1").arg(count)); ser = new server(this); ser->listen(QHostAddress::Any, 8712); connect(ui->sendBtn, SIGNAL(clicked()), this, SLOT(sendMsg())); } Dialog::~Dialog() { delete ser; delete ui; } void Dialog::showConnection() { count += 1; //add socket object that join in ui->objectBox->addItem(QString("%1").arg(ser->socketList.last())); //change connect number while connection is connecting ui->num->setText(QString("%1").arg(count)); } void Dialog::showDisconnection(int socketDescriptor) { count -= 1; //remove disconnect socketdescriptor from list ser->socketList.removeAll(socketDescriptor); //reload combobox ui->objectBox->clear(); for (int i = 0; i < ser->socketList.size(); i++) { ui->objectBox->addItem(QString("%1").arg(ser->socketList.at(i))); } //change connect number while connection is disconnecting ui->num->setText(QString("%1").arg(count)); } void Dialog::sendMsg() { if (ui->sendMsg->text() == "") return; //emit signal that contain data & id that want to send emit sendData(ui->sendMsg->text(), ui->objectBox->currentText().toInt()); // qDebug()<<ui->sendMsg->text(); // qDebug()<<ui->objectBox->currentText().toInt(); ui->sendMsg->setText(""); } void Dialog::revData(QString msg) { ui->msg->append(msg); //show the msg that had received }