彥霖 實驗筆記

#include<QCoreApplication>

#include<QDebug>

#include<QtNetwork/QNetworkAccessManager>

#include<QtNetwork/QNetworkRequest>

#include<QtNetwork/QNetworkReply>

#include<QUrl>

#include<QUrlQuery>

void sendRequest() {

    QEventLoop eventLoop;

    QNetworkAccessManager mgr;

    QObject::connect(&mgr,SIGNAL(finished(QNetworkReply*)),&eventLoop,SLOT(quit()));

    QNetworkRequest req(QUrl(QString("http://ip.jsontest.com/")));

    QNetworkReply * reply=mgr.get(req);

    eventLoop.exec();

    if(reply->error()==QNetworkReply::NoError){

        //連接成功

        qDebug()<<"Success"<<reply->readAll();

    } else {

        //連接失敗

        qDebug()<<"Failure"<<reply->errorString();

    }

    delete reply;

}

int main(int argc, char * argv[]) {

     QCoreApplication a(argc, argv);

     sendRequest();

     return a.exec();

}