Wireless data transmission between iOS client and web server

It discusses how to transmit data between the iOS client and the web server, and how to store data on iOS device terminal. Taking the ordering system as an example, the architecture and function of the ordering system based on iOS platform client terminal is proposed. It focuses on data transmission between iOS client and server, JSON technology is used to achieve data interaction; Data storage in iOS client is also discussed, Sqlite3 and FMDB Frame are used to store data.