## 项目简介
**项目Github**:<https://github.com/hongfurui2014/exam_online_hongfurui>
**考试前台**:<http://exam.itdupan.com/>
**后台管理**:<http://hongfurui.itdupan.com/>
在线考试系统,大四毕设,采用vue与springcloud微服务架构开发,前后端完全分离,json格式数据交互,全部由本人独立开发完成。目前项目已部署在本人的学生版阿里云centos7服务器上。
主要功能有:对班级和科目的管理;对试题和试卷的管理(包含excel文件模板大批量一次性上传试题到题库,自动从题库中抽题出试卷);用户、角色、权限三级设计实现方法级别的细粒度权限控制;aop后置通知实现整个系统重要操作日志的记录。
## 项目技术栈
### 前端
- 前端后台管理系统由vue与elementUI搭建,路由使用vue-router,前端在线考试系统由nuxt搭建,ajax请求均使用axios。
- vsCode工具开发
### 后台
- mysql数据库,mybatis(通用Mapper、PageHelper分页助手)
- springBoot(spring、springMVC)
- springCloud(eureka、zuul、feign)搭建微服务工程
- nginx反向代理域名
- 采用jwt+rsa加密生成token,写入cookie的方式做无状态登录
- maven、idea、postman工具开发
## 说明
### 目录说明
- `exam_online_hfr_admin`为前端后台管理项目,`npm install`安装依赖后`npm run dev`可运行
- `exam_online_hfr_portal`为前端在线开心系统项目,`npm install`安装依赖后`npm run dev`可运行
- `exam_online_hfr_api`为后端微服务项目,maven下载完依赖,修改application.yml配置文件中的数据库密码和jwt配置后即可运行
### 后台api接口说明
- 接口基准地址:`http://zuul.itdupan.com/api/`
- 示例:`http://zuul.itdupan.com/api/school/grade/findGrades`,其中api为zuul网关前缀,school为zuul转发到的微服务名称路径,/grade/findGrades为controller为controller请求访问路径。所有请求都经过zuul网关,已在网关zuulFilter中做鉴权。
- 服务端已开启cors跨域支持
- 只允许`http://hongfurui.itdupan.com`和`http://exam.itdupan.com`两个域名对`http://zuul.itdupan.com`进行跨域访问
- 请求方式
```
GET 查询
POST 新增
PUT 更新
DELETE 删除
```
- 使用HttpStatus Code做标识状态
```
200 OK 响应成功
201 CREATED 新增或更新成功
204 DELETED 删除成功
400 BAD_REQUEST 请求參數不合法
401 UNAUTHORIZED 身份不合法
403 FORBIDDEN 权限不足
404 NOT_FOUND 資源服務器未找到
500 INTERNAL_SERVER_ERROR 服務器內部錯誤
```
添加 删除 修改失败将返回状态码自定义状态码:600
- 后台返回格式统一使用json格式,返回样式如下:
```json
{
"httpCode": 200,
"message": "查询所有班级成功!",
"data": [
{
"gradeId": 20,
"gradeName": "16级软件工程2班"
},
{
"gradeId": 21,
"gradeName": "16级软件工程1班"
}
]
}
```
- 捕获全局500 RuntimeException,返回样式如下:
```json
{
"httpCode": 500,
"message": "操作失败,系统未知异常,请尽快反馈给系统管理员!",
"exceptionTime": "2020-03-12 17:32:55"
}
```
### 其它说明
- `资料`中的sql文件为最干净的数据库,后台登录账号和密码均为`demo_user`,`导入试题模板.xlsx`按照格式即可导入试题
- 本机SwitchHosts配置
```
# 在线考试系统java后台网关
127.0.0.1 zuul.itdupan.com
# 在线考试系统前端
127.0.0.1 exam.itdupan.com
# 在线考试系统后台管理
127.0.0.1 hongfurui.itdupan.com
```
- nginx代理配置如下
```nginx
server {
listen 80;
server_name zuul.itdupan.com; # 网关
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host;
location / {
proxy_pass http://127.0.0.1:10011;
proxy_connect_timeout 600;
proxy_read_timeout 600;
}
}
server {
listen 80;
server_name hongfurui.itdupan.com; # 后台管理
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host;
location / {
proxy_pass http://127.0.0.1:8080;
proxy_connect_timeout 600;
proxy_read_timeout 600;
}
}
server {
listen 80;
server_name exam.itdupan.com; # 前台
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $host;
location / {
proxy_pass http://127.0.0.1:9999;
proxy_connect_timeout 600;
proxy_read_timeout 600;
}
}
```
## 项目待改进优化的一些问题
- axios下载的文件打开出错
- 自动抽题组卷算法待优化
- nuxt的路由导航守卫问题
- mouted()钩子函数未能有效获取vuex中的数据,时机问题
- 正在答题时若刷新则已做试题的状态重置,等以后有时间考虑对答题情况进行watch深度监控,写入redis读取应该就能解决
- 答题时时间倒计时以及计时结束自动提交试卷功能,下一步考虑使用quartz框架解决
- aop记录的日志还是比较粗粒度,以后有时间再考虑优化了
- 分布式事务问题
没有合适的资源?快使用搜索试试~ 我知道了~
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该项目利用了基于springboot + vue + mysql的开发模式框架实现的课设系统,包括了项目的源码资源、sql文件、相关指引文档等等。 【项目资源】:包含前端、后端、移动开发、操作系统、人工智能、物联网、信息化管理、数据库、硬件开发、大数据、课程资源、音视频、网站开发等各种技术项目的源码。包括STM32、ESP8266、PHP、QT、Linux、iOS、C++、Java、python、web、C#、EDA、proteus、RTOS等项目的源码。 【技术】 Java、Python、Node.js、Spring Boot、Django、Express、MySQL、PostgreSQL、MongoDB、React、Angular、Vue、Bootstrap、Material-UI、Redis、Docker、Kubernetes
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