1results about How to "Realize data synchronization" patented technology

The application provides a kind of data offline synchronization method based on MQTT protocol client and server, it is related to information technology field, including that client and server establish MQTT long connection;Client encapsulates message synchronization interface, and judges current network state in interface, if network is unobstructed, go online mode, if network is not connected, go offline mode;In online mode, data is directly synchronized to server through MQTT connection;In offline mode, client first caches synchronization data, and checks network state regularly, when network recovers, immediately start synchronization task;Server receives message, and parses data according to message type and handles it.The application can be applied in places with good network environment such as shopping mall, office building, street, etc., and also can be applied in places with poor network environment such as field, mountainous area, jungle, etc., with wider application scenarios.Using the characteristics of MQTT publishing and subscribing, when a large amount of data is used, the server can process data on demand, reduce the pressure on the service, and improve the stability of the service.