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README
Apache-2.0

code style code style code style code style maven code style

静态页面

http://itxinfei.gitee.io/xuecheng-parent

项目背景

受互联网+概念的催化,当今中国在线教育市场的发展可谓是百花齐放、如火如荼。 按照市场领域细分为:学前教育、K12教育、高等教育、留学教育、职业教育、语言教育、兴趣教育以及综合平台,其中,职业教育和语言教育的市场优势突出。 根据Analysys易观发布的数据显示,预计2019年中国互联网教育市场交易规模将达到3718亿元人民币,未来三年互联网教育市场规模保持高速增长。

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学成在线借鉴了MOOC(大型开放式网络课程,即MOOC(massive open online courses))的设计思想,是一个提供IT职业课程在线学习的平台,它为即将和已经加入IT领域的技术人才提供在线学习服务,用户通过在线学习、在线练习、在线考试等学习内容,最终掌握所学的IT技能,并能在工作中熟练应用。

功能模块

当前市场的在线教育模式多种多样,包括:B2C、C2C、B2B2C等业务模式,学成在线采用B2B2C业务模式,即向企业或个人提供在线教育平台提供教学服务,老师和学生通过平台完成整个教学和学习的过程,市场上类似的平台有:网易云课堂、腾讯课堂等,学成在线的特点是IT职业课程在线教学。学成在线包括门户、学习中心、教学管理中、社交系统、系统管理等功能模块。

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技术架构

学成在线采用当前流行的前后端分离架构开发,由用户层、UI层、微服务层、数据层等部分组成,为PC、App、H5等客户端用户提供服务。下图是系统的技术架构图:

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业务流程举例:

  1. 用户可以通过pc、手机等客户端访问系统进行在线学习。
  2. 系统应用CDN技术,对一些图片、CSS、视频等资源从CDN调度访问。
  3. 所有的请求全部经过负载均衡器。
  4. 对于PC、H5等客户端请求,首先请求UI层,渲染用户界面。
  5. 客户端UI请求服务层获取进行具体的业务操作。
  6. 服务层将数据持久化到数据库。

技术栈

下图是项目技术架构的简图,通过简图了解项目所使用的技术栈。

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重点了解微服务技术栈:

学成在线服务端基于Spring Boot构建,采用Spring Cloud微服务框架。

持久层:MySQL、MongoDB、Redis、ElasticSearch

数据访问层:使用Spring Data JPA 、Mybatis、Spring Data Mongodb等

业务层:Spring IOC、Aop事务控制、Spring Task任务调度、Feign、Ribbon、Spring AMQP、Spring Data Redis 等。

控制层:Spring MVC、FastJSON、RestTemplate、Spring Security Oauth2+JWT等

微服务治理:Eureka、Zuul、Hystrix、Spring Cloud Config等

前端页面

xc前端页面

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简介

学成在线采用当前流行的前后端分离架构开发,前端采用vue.js构建,服务端采用Spring Cloud微服务架构,系统 分为用户层、CDN、负载均衡、前端UI、微服务层、数据层、接口层及DevOps等部分组成。 展开 收起
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