已解决,果然还是SSL问题,有部分网站既不会报SSL问题,但又打不开,请在代码中添加
// mac some SSL can not load. eg.:
https://www.facebook.com QSslConfiguration sslCfg = QSslConfiguration::defaultConfiguration();
QList<QSslCertificate> ca_list = sslCfg.caCertificates();
QList<QSslCertificate> ca_new = QSslCertificate::fromData("CaCertificates");
ca_list += ca_new;
sslCfg.setCaCertificates(ca_list);
sslCfg.setProtocol(QSsl::AnyProtocol);
QSslConfiguration::setDefaultConfiguration(sslCfg);