我有一个简单的类:如何解决从QObject继承的内存泄漏问题?
class HttpClient : public QObject
{
Q_OBJECT
public:
QNetworkAccessManager* manager;
QNetworkReply* reply;
HttpClient(){
manager = new QNetworkAccessManager();
reply = nullptr;
}
~HttpClient(){
delete reply;
}
public slots:
void slotReadyRead(){
cout << reply->readAll().data() << endl;
}
void slotNetworkError(QNetworkReply::NetworkError error){
cout << reply->error() << endl;
}
public:
void Get(QUrl url){
QNetworkRequest request;
request.setUrl(url);
reply = manager->get(request);
connect(reply, SIGNAL(finished()), this, SLOT(slotReadyRead()));
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(slotNetworkError(QNetworkReply::NetworkError)));
}
};
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
HttpClient client;
client.Get(QUrl("http://localhost/SomeWebService.svc/GetData"));
return a.exec();
}
视觉检漏仪指向的内存泄漏在这一点上:
manager = new QNetworkAccessManager(this);
如何解决呢?我并不坚持认为这是最好的解决方案,但我只是从QT开始,我不明白为什么我在这里泄漏内存。
也许'QNetworkAccessManager'分配一些静态的数据? –
代码很好。这是误报。 –
“HttpClient”本身是否被销毁? –