基于QQ小程序和Flask的高校闲置物品信息平台

高校学生之间的闲置物品交易是大学课外生活的一大主要活动.由于校内当面交易方便、所交易物品重复利用率高、价格便宜、节约环保等原因，校园内的闲置物品交易受到大学生的青睐.传统方式下，校园内的闲置物品信息发布通过校内“跳蚤市场”QQ群实现，这种方式无安全保证、无法整合信息，且群内信息容易被忽略.为了带来更好的闲置物品交易用户体验，该平台基于QQ小程序搭建闲置物品信息平台前端、Flask+MySQL框架搭建平台后端，完整实现了闲置物品信息平台的各类功能，其特色功能包括：商品多维分类、商品推荐、留言提醒、降价提醒、一键添加好友等.平台通过HTTPS及RESTful API实现了前后端的加密交互，并且引入了在校身份认证的功能，在完美契合各项功能需求的同时，保证了校园闲置物品交易的安全.

Information Platform of Campus Spare Items Based on QQ Mini-Program and Flask Frame

The spare items trade among college students is one of the main activities of college extracurricular life. Due to the convenience of in-person trading, high reuse rate, low price, environmental conservation, and other reasons, the spare goods trading on campus is favored by college students. The information of spare items in traditional schools is released through QQ group, which has no security guarantee, information cannot be integrated, and information within the group is easy to be ignored. In order to bring better spare items trading user experience, the platform builds the front end of the spare item information platform based on the QQ mini-program, and builds the back end of the platform based on the Flask+MySQL frame, which has fully realized all kinds of functions of second-hand trading information platform, including multi-dimensional commodity classification, commodity recommendation, message reminder, price reminder, one-click to add friends, and so on. The platform achieves the front end and the back end encryption interactions through HTTPS and RESTful API, and introduces the function of school identity authentication, which perfectly meets the various functional requirements while ensuring the security of campus spare items trade.