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基于协同过滤的个性化零食推荐微信公众平台设计与实现.docx
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基于协同过滤的个性化零食推荐微信公众平台设计与实现.docx
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基于协同过滤的个性化零食推荐微信
公众平台设计与实现
摘 要
随着社会经济的不断发展和居民消费水平的日益提高,消费者对于零食的需
求数量越来越大。但市面上零食的种类很多,用户想要找到一款适合自己口味的
零食,需要花费大量的时间和精力。如何快速高效地帮助用户找到自己喜欢的零
食是一个问题。由此提出了个性化零食推荐的课题。
本课题是设计实现一个基于微信公众平台的零食信息发布系统,每个用户都
能将自己喜欢的零食信息发布到系统供其他用户参考,系统会根据用户对零食信
息的一些反馈行为,采用协同过滤的算法,为用户个性化推荐零食信息。系统最
终经过测试达到了需求标准,并成功的部署在微信公众平台和云服务器上。
关键词: 微信公众平台;零食推荐;个性化推荐;协同过滤
Design and implementation of wechat
public platform for personalized snack
recommendation based on collaborative
filtering
ABSTRACT
With the continuous development of social economy and the increasing
consumption level of residents, the demand for snacks is growing. But there are many
kinds of snacks on the market. It takes a lot of time and energy for users to find a snack
that suits their taste. How to help users find their favorite snacks quickly and efficiently
is a problem. Therefore, the topic of personalized snack recommendation is put forward.
This topic is to design and implement a snack information publishing system based
on wechat public platform. Each user can publish their favorite snack information to
the system for other users' reference. According to some feedback behaviors of users,
the system will adopt collaborative filtering algorithm to personalized recommend
snack information for users. Finally, the system has been tested to meet the
requirements and successfully deployed on wechat public platform and cloud server.
Key words:Wechat public platform; Snack recommendation; Personalized
recommendation; Collaborative filtering
目 录
1. 绪论 ...............................................1
1.1 背景目的及意义....................................................................................1
1.2 相关工作................................................................................................1
1.3 本文工作................................................................................................2
1.4 论文的框架结构....................................................................................2
2. 需求分析 ...........................................3
2.1 功能性需求分析....................................................................................3
2.2 非功能性需求分析................................................................................4
2.3 相关技术介绍........................................................................................5
2.3.1 协同过滤算法..............................................................................5
2.3.2 微信公众平台..............................................................................5
2.3.3 Vue.js ............................................................................................5
2.3.4 Django ...........................................................................................5
2.4 本章小结................................................................................................5
3. 推荐算法设计与实现 .................................6
3.1 基于内容的推荐算法............................................................................6
3.2 协同过滤算法........................................................................................6
3.2.1 基于物品的协同过滤算法..........................................................7
3.2.2 基于用户的协同过滤算法..........................................................7
3.3 系统推荐算法实现................................................................................9
3.4 本章小结..............................................................................................10
4. 系统分析与设计 ....................................11
4.1 架构设计..............................................................................................11
4.1.1 总体架构....................................................................................11
4.1.2 部署架构....................................................................................11
4.2 功能设计..............................................................................................11
4.2.1 零食推荐模块设计....................................................................12
4.2.2 零食搜索模块设计....................................................................12
4.2.3 零食管理模块............................................................................13
4.2.4 用户中心模块设计....................................................................13
4.2.5 后台管理模块设计....................................................................13
4.3 数据库设计..........................................................................................14
4.3.1 E-R 模型设计 .............................................................................14
4.3.2 表结构设计................................................................................15
4.4 本章小结..............................................................................................18
5. 系统实现与测试 ....................................19
5.1 系统实现环境要求..............................................................................19
5.1.1 开发环境....................................................................................19
5.1.2 运行环境....................................................................................19
5.2 系统实现..............................................................................................19
5.2.1 微信授权模块............................................................................19
5.2.2 零食推荐模块............................................................................21
5.2.3 零食搜索模块............................................................................22
5.2.4 零食管理模块............................................................................24
5.2.5 用户中心模块............................................................................26
5.2.6 后台管理模块............................................................................26
5.3 系统测试..............................................................................................27
5.3.1 测试目的....................................................................................27
5.3.2 测试用例....................................................................................27
5.4 本章小结..............................................................................................29
6. 总结与展望 ........................................30
6.1 总结......................................................................................................30
6.2 展望......................................................................................................30
参考文献 .............................................31
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