如何在Qt上做一个简单的tcp客户端

KELLY_F2018

于 2018-08-06 22:12:26 发布

阅读量855

点赞数

分类专栏： QT

本文链接：https://blog.youkuaiyun.com/qq_36109845/article/details/81462372

版权

QT 专栏收录该内容

6 篇文章

订阅专栏

#include "dialog.h"
#include "ui_dialog.h"

Dialog::Dialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog)
{
    ui->setupUi(this);
    connect(&tcpSocket, SIGNAL(connected()), this, SLOT(sendRequest()));
    connect(&tcpSocket, SIGNAL(readyRead()), this, SLOT(readResponse()));
}

Dialog::~Dialog()
{
    delete ui;
}

void Dialog::on_pushButton_clicked()
{
    tcpSocket.connectToHost("127.0.0.1",7788);
}

void Dialog::sendRequest()
{
    QTextStream out(&tcpSocket);
    out<<ui->lineEdit_3->text();
}

void Dialog::readResponse()
{
    QTextStream in(&tcpSocket);
    ui->textBrowser->insertPlainText(in.readAll()+"\n");
    tcpSocket.close();
}