网络聊天范例

此范例使用广播采用 QUdpSocket and QNetworkInterface to discover its peers.

文件：

• network-chat/chatdialog.cpp
• network-chat/chatdialog.h
• network-chat/chatdialog.ui
• network-chat/client.cpp
• network-chat/client.h
• network-chat/connection.cpp
• network-chat/connection.h
• network-chat/peermanager.cpp
• network-chat/peermanager.h
• network-chat/server.cpp
• network-chat/server.h
• network-chat/main.cpp
• network-chat/network-chat.pro