With the increasingly widespread use of the Internet, people have started to choose websites for shopping. However, currently, these shopping websites are mostly aimed at the overall social population, and they do not have strong targeting in product selection. Moreover, most shopping systems require buyers to pay for postage, so they cannot effectively meet users' needs for product sales. Faced with this situation, on the basis of fully utilizing the overall advantages of online shopping technology, we have improved the corresponding software installation and program coding work, adopted MySQL as the main storage unit for backend data, and adopted koa framework, node. js technology, and Ajax technology to code and develop industry business systems. We have designed a flea market application website specifically targeting shopping users, Provide a platform for shopping users to trade goods.
The design of this system follows the principle of modularization, breaking down a complete flea market website into various modules, then implementing the functions of each module one by one, and finally assembling each module together to form a complete flea market website.