Qt实现http服务的示例代码

2023-04-13 09:25:51 作者：音视频开发老舅

这篇文章将为大家详细讲解有关Qt如何实现http服务，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获

先看执行结果：

Qt HttpServer

左边是开启的Qt Http服务，监控服务端口，及接收客户端请求；右侧是浏览器访问服务。

下面是具体代码：

HttpDemo.pro

QT += core
QT += network
QT -= gui
 
CONFIG += c++11 console
CONFIG -= app_bundle
 
# The following define makes your compiler emit warnings if you use
# any Qt feature that has been marked deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
 
# You can also make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
SOURCES += \
        main.cpp \
        myhttpserver.cpp
 
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
 
HEADERS += \
    myhttpserver.h

myhttpserver.h

#ifndef MYHTTPSERVER_H
#define MYHTTPSERVER_H
 
#include <QObject>
#include <QTcpServer>
#include <QTcpSocket>
 
class MyHttpServer : public QObject
{
    Q_OBJECT
public:
    explicit MyHttpServer(QObject *parent = nullptr);
    ~MyHttpServer();
 
    QTcpSocket *socket;
 
public slots:
    void connection();
 
private:
    qint64 bytesAvailable() const;
    QTcpServer *server;
 
signals:
 
public slots:
};
 
#endif // MYHTTPSERVER_H

main.cpp

#include <QCoreApplication>
#include "myhttpserver.h"
 
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
 
    MyHttpServer server;
 
    return a.exec();
}

myhttpserver.cpp

#include "myhttpserver.h"
#include <QDebug>
 
MyHttpServer::MyHttpServer(QObject *parent) : QObject(parent)
{
    server = new QTcpServer(this);
    connect(server, &QTcpServer::newConnection, this, &MyHttpServer::connection);
    if(!server->listen(QHostAddress::Any, 8080))
    {
        qDebug() << "\nWeb服务未启动";
    }
    else
    {
         qDebug() << "\nWeb服务在端口8080等待客户端连接";
    }
}
 
void MyHttpServer::connection()
{
    socket = server->nextPendingConnection();
 
    while (!(socket->waitForReadyRead(100))); //等待从浏览器读取数据
 
    char webBrowerRXData[1000];
    int sv = socket->read(webBrowerRXData, 1000);
    qDebug() << "正在从浏览器读取数据=" << QString(webBrowerRXData);
 
    socket->write("HTTP/1.1 200 OK\r\n");       // \r needs to be before   \n
    socket->write("Content-Type: text/html\r\n");
    socket->write("Connection: close\r\n");
    socket->write("Refresh: 1\r\n\r\n");        //refreshes web brower   every second.Request
 
    socket->write("<!DOCTYPE>"
                  "<html>"
                      "<header>"
                        "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />"
                        "<title>测试Qt HttpServer</title>"
                      "</header>"
                      "<body>已连接秒数：");
    QByteArray str;
    static qint16 count;    //用于在浏览器上显示的统计数字
    str.setNum(count++);
    socket->write(str);
    socket->write("</body>"
                  "</html>");
 
    socket->flush();
    connect(socket, &QTcpSocket::disconnected, socket, &QTcpSocket::deleteLater);
    socket->disconnectFromHost();
 
}
 
 
MyHttpServer::~MyHttpServer()
{
    socket->close();
}

到此这篇关于Qt实现http服务的示例代码的文章就介绍到这了,更多相关Qt http服务内容请搜索脚本之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持脚本之家！

Qt实现http服务的示例代码

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