| With the rapid development of living standards, the e-commerce has become unable to meet the increasingly high demand of the people’s material life and spiritual quality of life.The statistics show that the proportion of business in tradition, even in the most developed e-commerce in the United States, is still as high as92%.However, due to channels, time, cost, price limited with business in tradition, making the development of the e-commerce rapid very fast in recent years, the statistics show2010e-commerce sales reached500billion yuan. So the combination of online and offline advantage of the growing demand from online to offline mode (Online to Offline) has become an opportunity.On the other hand, With the rapid development of3G high-speed mobile broadband network in China, mobile communications business scope from traditional voice call services extended to integrated services such as voice, data.Meanwhile, with China’s third-generation mobile communication technology (3G) technology and global positioning system (GPS) to promote, so from online to offline (Online to Offline) business model becomes possible.The study design regional service trading system based the020has become is now an increasingly important subject.This first section introduces the current situation of the020mode and clarify the urgency and importance of constructing an regional service trading system based on020mode, and then introduces the status of020system at home and abroad.The second section lists regional service trading system based on020will be mainly used technologies and solutions,the Server using LNMP (Linux+Nginx+Mysql+Python) architecture, the mobile terminal is based on Android system development.The third section is the analysis of the system design process, functional requirements and non-functional requirements of the system.the fourth and fifth sections of the system implementation and testing process introduced strict unit testing, functional testing, integration testing and stress testing. |