本篇内容介绍了“Qt怎么实现http服务”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
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 += coreQT += networkQT -= gui CONFIG += c++11 consoleCONFIG -= 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/$${TARGET}/binelse: unix:!android: target.path = /opt/$${TARGET}/bin!isEmpty(target.path): INSTALLS += target HEADERS += \ myhttpserver.hmyhttpserver.h
#ifndef MYHTTPSERVER_H#define MYHTTPSERVER_H #include <QObject>#include <QTcpServer>#include <QTcpSocket> class MyHttpServer : public QObject{ Q_OBJECTpublic: explicit MyHttpServer(QObject *parent = nullptr); ~MyHttpServer(); QTcpSocket *socket; public slots: void connection(); private: qint64 bytesAvailable() const; QTcpServer *server; signals: public slots:}; #endif // MYHTTPSERVER_Hmain.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();}“Qt怎么实现http服务”的内容就介绍到这里了，感谢大家的阅读。如果想了解更多行业相关的知识可以关注编程网网站，小编将为大家输出更多高质量的实用文章！
