Qt上应用TcpSocket通信协议

#include "server.h" #include "ui_server.h" #include <QtDebug> Server::Server(QWidget *parent) : QDialog(parent), ui(new Ui::Server) { ui->setupUi(this); } void Server::on_OpenServerBtn_clicked() { tcpServer=new QTcpServer; tcpServer->listen(QHostAddress::Any,8080); connect(tcpServer,SIGNAL(newConnection()),this,SLOT(acceptConnection())); ui->OpenServerBtn->setText("Close"); ui->textEdit->insertPlainText("Service is Open!\n"); } Server::~Server() { delete ui; } void Server::acceptConnection(){ tcpSocket =new QTcpSocket; tcpSocket=tcpServer->nextPendingConnection(); connect(tcpSocket,SIGNAL(readyRead()),this,SLOT(readData())); } void Server::readData(){ qDebug()<<"readData()"<<"IP"<<tcpSocket->peerAddress().toString()<<tcpSocket->peerPort(); ui->textEdit->insertPlainText(QString("IP: %1 \n Port:%2 \n").arg(tcpSocket->peerAddress().toString()).arg(tcpSocket->peerPort())); QString str=tcpSocket->readAll(); ui->textEdit->insertPlainText(QString("%1\n").arg(str)); if(1) { tcpSocket->write("OK"); } else { tcpSocket->write("NO"); } }