manager(new QNetworkAccessManager(this))

    connect(manager, SIGNAL(downloadProgress(QNetworkReply *)), this, SLOT(test1()));
    connect(manager, SIGNAL(error(QNetworkReply *)), this, SLOT(test2()));
    connect(manager, SIGNAL(finished(QNetworkReply *)), this, SLOT(test3()));
    connect(manager, SIGNAL(metaDataChanged(QNetworkReply *)), this, SLOT(test4()));
    connect(manager, SIGNAL(downsslErrorsloadProgress(QNetworkReply *)), this, SLOT(test5()));
    connect(manager, SIGNAL(uploadProgress(QNetworkReply *)), this, SLOT(test6()));