qt http get post实现

pro文件

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greaterThan(QT_MAJOR_VERSION, 4):QT += core network QT -= gui   TARGET = httpget CONFIG += console CONFIG -= app_bundle   TEMPLATE = app   SOURCES += main.cpp \     mynetworkobject.cpp   HEADERS += \     mynetworkobject.h

main.cpp

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#include <QCoreApplication> #include "mynetworkobject.h"   int main(int argc, char *argv[]) {     QCoreApplication a(argc, argv);       MyNetworkObject *networkObj = new MyNetworkObject();     networkObj->get(url);       return a.exec(); }

　　

mynetworkobject.h

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#ifndef MYNETWORKOBJECT_H #define MYNETWORKOBJECT_H   #include <QObject> #include <QNetworkAccessManager> #include <QUrl> #include <QNetworkRequest> #include <QNetworkReply> #include <QDebug> //#include <QImageReader>   class MyNetworkObject : public QObject {     Q_OBJECT public:     explicit MyNetworkObject(QObject *parent = 0);     void get(QUrl url); public slots:     void finishedSlot(QNetworkReply *reply); signals: private:     QNetworkAccessManager *networkAccessManager; }; #endif // MYNETWORKOBJECT_H

mynetworkobject.cpp

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#include "mynetworkobject.h" #include <QDebug>   MyNetworkObject::MyNetworkObject(QObject *parent) : QObject(parent) {     networkAccessManager = new QNetworkAccessManager(this);     QObject::connect(networkAccessManager, SIGNAL(finished(QNetworkReply *)), this, SLOT(finishedSlot(QNetworkReply *))); } void MyNetworkObject::get(QUrl url) {     qDebug()<<"get "<<url;     const QNetworkRequest request = QNetworkRequest(url);     networkAccessManager->get(request);   } void MyNetworkObject::finishedSlot(QNetworkReply *reply) {       if(reply->error() == QNetworkReply::NoError) {;         qDebug()<<"NoError";         QByteArray buffer = reply->readAll();         QString str = QString::fromUtf8(buffer);         qDebug()<<str;     } else {         qDebug()<<reply->errorString();     }     reply->deleteLater(); }