QSettings *config_write=new QSettings("eric.ini",QSettings::IniFormat);
config_write->setValue("ip/first","192.168.0.1");
config_write->setValue("ip/second","192.168.0.2");
config_write->setValue("ip/third","192.168.0.3");
config_write->setValue("port","8080");
delete config_write;
QSettings*config_read=new QSettings("eric.ini",QSettings::IniFormat);
QString ip_first=config_read->value("ip/first").toString();
QString ip_second=config_read->value("ip/second").toString();
quint16 port=config_read->value("port").toInt();
qDebug()<<"first:"<<ip_first<<"second:"<<ip_second<<"port:"<<port;