Design And Implementation Of Chongqing Longhu Commercial APP System

With the advent of a new time of mobile Internet, it has gradually become the maintone to pursue high-quality life with intelligent mobile phone, portable navigation andfast information in the times. Chongqing Longhu commercial APP system is designed toseize the time tide. It makes each classic commercial district of Chongqing Longhucommercial real estate continue to create brilliant in the era of mobile internet. And alsomakes it convenient for Chongqing People to know preferential activity and goshopping.Each commercial district of Chongqing Longhu is integrated into one APP. Itreaches the purpose of "all in one, one for all". The system is divided into a servermanagement system and a mobile terminal APP system. The system requirements aredesigned according to three different types of users (Longhu management, commercialmerchants and APP users). To meet the needs of these three types of user groups fromdifferent aspects. From requirements analysis, system design, database design to systemimplementation, this article is complete step by step according to the software designprocess. This article also makes a detailed analysis of the featured module, indoornavigation in this system. With the phone gyroscope and compass, indoor navigation isrealized by using Dijkstra algorithm to find the shortest path.This system uses Client/Server software architecture pattern. The servermanagement system is based on MySQL. Xcode is the development tool andObjective-C as the development language in APP developing. The system is mainlyrelated to JSON as the data exchange format between client and server. Then thereal-time, the reliability and the security of data can be guaranteed. And also ensure thestable operation of the system.