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README
Apache-2.0

Teaching 在线教学平台 v2.7

===============

项目介绍

Teaching针对机构、学校提供STEAM在线教育解决方案, 提供一个低成本试错的机会。

平台集成CRM系统、教务系统、作业系统、题库系统、赛事系统、社区系统。并封装了常用的工具,如各种工具类、微信生态对接、支付对接等等。

前往官网

查看本开源版DEMO

QQ交流群 : 191723983

开源版功能

├─首页
├─社区
├─创作
│  ├─Scratch
│  ├─Python
│  ├─ScratchJr
│  ├─Blockly
├─学生中心
│  ├─我的作品
│  ├─班级作业
│  ├─个人设置
│   ├─我的课程
│   │  ├─卡片形式
│   │  ├─地图形式
├─作业管理
│  ├─作品管理
│  ├─布置班级作业
├─课程管理
│  ├─课程管理
│  ├─课程单元管理
├─系统管理
│  ├─用户管理
|  ├─角色管理
│  ├─权限设置
│  ├─班级管理
│  ├─字典管理
│  ├─后台菜单管理
│  ├─前台菜单管理
│  ├─网站配置
│  ├─Scratch素材库
├─系统监控
│  ├─ ……

教学工具对接

技术架构

后端技术: SpringBoot_2.1.3.RELEASE + Mybatis-plus_3.1.2 + Shiro_1.4.0 + Jwt_3.7.0 + Swagger-ui + Redis

前端技术: Ant-design-vue + Vue + Webpack

其他技术: Druid(数据库连接池)、Logback(日志工具) 、poi(Excel工具)、Quartz(定时任务)、lombok(简化代码)、七牛云存储、Scratch二次开发

项目构建: Maven、Jdk8、npm或yarn

编译和部署教程

点击查看宝塔面板部署教程

环境准备

以CentOS服务器为例,其他系统操作流程基本一样。

安装mysql5.6

  1. 设置数据库表名忽略大小写(重要)

    lower_case_table_names=1

  2. 导入api/db文件夹的sql文件。如果是升级,需要依次按版本号执行升级sql。

安装 redis 6.0

安装Java

CentOS系统可执行命令一键安装 yum install -y java-1.8.0-openjdk

安装Nginx

注册配置七牛云

  • 登录 www.qiniu.com 注册后实名认证
  • 新建对象存储Kodo,访问控制设为:开放,记录bucket名字和存储区域以备后续配置
  • 绑定域名(免费分配的测试域名一个月后过期)
  • 获取accessKey,secretKey以备后续配置

后端编译和部署

修改配置

修改application.yml切换测试环境和线上环境,默认为线上环境,即使用application-prod.yml。

修改application-prod.yml

需要修改的地方:

domain: 您的站点域名
# 本地:local 七牛云:qiniu
uploadType: 文件存储目标
# 数据库连接配置
datasource:
    master:
      url: jdbc:mysql://127.0.0.1:3306/teachingopen?characterEncoding=UTF-8&useUnicode=true&useSSL=false&tinyInt1isBit=false
      username: teachingopen
      password: teachingopen
#Redis连接配置
redis:  
    database: 1
    host: 127.0.0.1
    password: ''
    port: 6379
#七牛配置
qiniu:
  accessKey: 您的七牛accessKey
  secretKey: 您的七牛secretKey
  bucketName: 您的七牛bucketName
  staticDomain: 您的七牛域名
  area: 您的七牛存储区域(z0:华东 z1:华北 z2:华南 na0:北美 as0:东南亚 cn-east-2:华东-浙江2)

配置文件可以编译后修改,推荐将.yml配置文件放到jar包同级目录,java将优先使用同级目录的配置,这样方便后续升级。

编译项目(若使用已编译好的jar文件,本步骤可以跳过)

配置maven源

<mirrors>
       <mirror>
            <id>nexus-aliyun</id>
            <mirrorOf>*,!jeecg,!jeecg-snapshots,!getui-nexus</mirrorOf>
            <name>Nexus aliyun</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public</url>
        </mirror> 
 </mirrors>

在api目录执行

mvn clean package

编译成功后得到jar文件:\target\teaching-open-xxx.jar (xxx为版本号)

  • 上传jar文件到服务器,建议同时将yml配置文件也上传到jar同级目录

  • 启动后端api并放入后台执行

    nohup java -jar teaching-open-xxx.jar &

    或者上传并接执行启动脚本 bash start-teaching.sh

前端编译(若使用已编译好的前端,本步骤可以跳过)

  • 安装nodejs版本v12

  • 安装依赖 npm installyarn install

  • 编译 npm run buildyarn run build

前端部署

将编译后的dist文件夹上传至服务器网站根目录

  • 配置Nginx

参考配置:

server
{
    listen 80 default_server;
    server_name open.teaching.vip; # 改为你网站的域名
    location / {
      index index.html index.htm;
      root /www/wwwroot/teaching-open; # 改为你网站目录的路径
      if (!-e $request_filename) {
          rewrite ^(.*)$ /index.html?s=$1 last;
          break;
      }
      gzip on;
      gzip_min_length 1k;
      gzip_comp_level 9;
      gzip_types text/plain application/javascript application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;
      gzip_vary on;
      gzip_disable "MSIE [1-6]\.";
    }
    
    location ^~ /api
    {
        expires 0;
        proxy_pass              http://127.0.0.1:8080/api/;
        proxy_set_header        Host 127.0.0.1;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        add_header X-Cache $upstream_cache_status;
        add_header Cache-Control no-cache;
    }
}

测试账号

  • admin —— 超级管理员
  • teacher —— 老师
  • student —— 学生 默认密码均为123456

常见问题

页面一直加载中

只有两种可能:

  1. api未启动,尝试访问http://ip地址:8080看是否有内容输出
  2. nginx反向代理配置错误,特征是接口报502或504错误

后台上传的Scratch素材库不显示

自定义素材库,必须使用七牛云存储。默认使用的是本地素材库。 解决方案: 将本地素材库上传至七牛云,素材库位置在scratch3/static/internalapi,需要原来的保持目录结构,选择internalapi目录上传。

然后修改scratch3/index.html中的素材库配置地址切换为七牛云

assets:{
  assetHost: getSysConfig('qiniuDomain')
}

Scratch提交作品卡住

  1. 七牛云配置错误,此时系统内其他上传也会失败
  2. 页面停留时间过长导致登录失效,可以将Scratch文件保存到本地,刷新页面后再次提交
  3. 网络问题

切换为本地存储

建议是使用云存储的,极大减少服务器的宽带压力。但是有些朋友不想用七牛云存储,或者局域网部署,则可以使用本地存储模式。

修改application-prod.yml

jeecg:
  uploadType: local
  path :
  #文件上传根目录 设置
  upload: D://opt//upFiles
  # 文件访问地址
  staticDomain: /api/sys/common/static

切换云存储后,之前上传的文件请自行迁移。

升级系统的步骤

  1. 准备编译好的api和web项目,可自行编译,也可下载编译好的

  2. 执行升级sql

文件在api/db。如当前版本为2.4,需要依次执行update2.5.sql、update2.6.sql

  1. 上传最新版jar包

如果yml配置文件放在jar包外,一般情况无需修改api配置。如果配置文件使用的是jar包内的,需要替换jar包内的配置文件。

  1. 停掉原来的api程序

如果您的系统内没有其他正在运行的java程序,那么只需执行pkill java即可停止

  1. 重启新版api

参考命令:

nohup java -jar teaching-open-xxx.jar &

注意xxx是版本号,不要照抄!!

  1. 上传覆盖前端文件
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简介

在线教学平台,集成Scratch、ScratchJr、Python教学工具。包含课程、班级、作业、权限、赛事、社区等。 展开 收起
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