Qt-QHostAddress for obtaining host network information

The QHostAddress class provides an IP address.

 

This class provides a way to store IPv4 and IPv6 addresses separately from the platform and protocol.

QHostAddress is usually used with QTcpSocket, QTcpServer, and QUdpSocket to connect to the host or create a server.

You can useSetAddress ()To set a host address, useToIPv4Address (),ToIPv6Address ()OrToString ()To retrieve the host address. You can useProtocol ()To check the protocol type.

 

Note that QHostAddress does not perform DNS queries, but QHostInfo is necessary.

 

This class also supports General predefined addresses: Null, LocalHost, LocalHostIPv6, Broadcast, and Any.

 

Reference: Obtain Network Interface Information-MyNote