Qt实现http服务的示例代码
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 += www.devze.comQT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += \
main.cpp \
myhtwww.devze.comtpserver.cpp
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: Unix:!android: target.path = /opt/$${TARGET}/bin
!is开发者_Python培训Empty(target.path): INSTALLS += target
HEADERS += \
myhttpserver.h
myhttpserver.h
#ifndef MYHTTPSERVER_H
#define MYHTTPSERVER_H
#include <QObject>
#inclwww.devze.comude <QTcpServer>
#include <QTcpSocket>
class MyHttpServer : publi编程c 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);
connephpct(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();
}
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