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| 基于Android的校园二手交易小程序的设计与实现
摘 要
近年来我国计算机技术飞速发展，互联网成熟度不断提高，市面上所有的主流平台上的货物平台都会使用二手贸易，但是由于受到时间空间的限制，用户在用使用上会有诸多不便。这一问题可以通过制定小型二次贸易方案加以有效解决。
本文开发一款校园二手交易小程序，采用的是WXML 、WXS、JS程序语言编写，数据库是Mysql数据库，并利用微信的开发者工具实现程序的编码。将微信作为程序的入口，该程序具有轻便快捷的特点，在运行时也不会占用内存，由于是以WeChat平台开发，因此不用下载，可以快速启动使用，访问速度良好。本文设计的校园二手交易小程序界面美观，设计了一个精细的接口，具有良好的交互系统，操作较为简便。本文在开展研究时首先系统地介绍了程序的内容进行系统分析，实现系统设计并对数据库进行设计，最终对系统的功能进行综合测验，本文详细的说明了系统开发的整个过程，并对过程进行经验总结，实现了利用微信平台购买二手商品的功能。
论文在设计二手交易小程序时，核心的理念是使小程序的操作简便、功能完整。这是本校园二手交易小程序设计的核心理念，本系统力求创造最好的用户体验。
关键词：小程序；二手交易，微信开发者工具，MYSQL数据库
Campus second hand trading procedures
Abstract
In recent years, with the rapid development of computer technology and the continuous improvement of Internet maturity, all the mainstream platforms in the market will use second-hand trade. However, due to the limitation of time and space, users will have a lot of inconvenience.This problem can be effectively solved through thedevelopment of small secondary trade program.
This paper develops a campus second-hand trading small program,using wxml, WXS, JS programming language,the database is MySQL database, and uses wechat developer tools to realize the program coding. Taking wechat as the entry of the program,the program is light and fast, and it will not occupy memory when running. Because it is developed on wechat platform,it does not need to download, and can be used quickly, with good access speed. The campus second-hand trading small program designed inthis paper has a beautiful interface and a fine interface. It has a good interactive system and is easy to operate.This paper first introduces the contents of the program systematically, analyzes the system,realizes the system design and database design, and finally conducts a comprehensive test on the system function. This paper describes the whole process of system development in detail,and summarizes the experience of the process,so as to realize the function of purchasing second-hand goods by using wechat platform.
When designing the second-hand transaction applet,the core idea is to make the operation of the applet simple and complete.
Key words: Mini program; second-hand transaction, WeChat developer tool, MYSQL database
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