函数CheckSite()将类似于http://example.com的url作为参数调用,它初始化了一个QNetworkAccessManager对象并连接了槽和信号。
manger->get()调用似乎有效(它生成了http流量),但在请求结束时没有调用replyFinished()槽。
这段代码有什么问题?
manger->get()调用似乎有效(它生成了http流量),但在请求结束时没有调用replyFinished()槽。
这段代码有什么问题?
#include <QtCore>
#include <QtNetwork>
class ClientHandler : public QObject
{
Q_OBJECT
QNetworkAccessManager *manager;
private slots:
void replyFinished(QNetworkReply *);
public:
void CheckSite(QString url);
};
void ClientHandler::replyFinished(QNetworkReply *reply) { qDebug() << "DONE"; }
void ClientHandler::CheckSite(QString url) {
QUrl qrl(url);
manager = new QNetworkAccessManager(this);
connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*)));
manager->get(QNetworkRequest(qrl));
}