牛客社区论坛项目（一）

环境搭建与技术栈说明

CDN的全称是Content Delivery Network，即内容分发网络。CDN是构建在现有网络基础之上的智能虚拟网络，依靠部署在各地的边缘服务器，通过中心平台的负载均衡、内容分发、调度等功能模块，使用户就近获取所需内容，降低网络拥塞，提高用户访问响应速度和命中率。CDN的关键技术主要有内容存储和分发技术

熟悉快速开发框架：SpringBoot2.3.x 整合 SpringMVC + Mybatis
熟悉版本控制：Maven3.6.X + Git
数据库以及文件存储：MySQL + 文件存储阿里云OSS
熟悉页面模板引擎：Thymleaf3.x
第三方工具：网页长图生成工具Wkhtmltopdf + 验证码生成工具kaptcha
中间件：分布式缓存Redis + 全文检索ElasticSearch + Kafka + 本地缓存Caffeine
权限框架：Spring Securtiy + Spring Actuator
熟悉前端：Ajax + Vue + BootStrap + HTML + jQuery
community->src->main-> java->com.nowcoder.community->

annotation 注解LoginRequired;
aspect 切面SeviceLogAspect;
Config 配置KaptchaConfig,QuartzConfig,RedisConfig,SecurityConfig,ThreadConfig,WebMvcConfig,WkConfig;
controller控制器 CommentController,DataController,DisscussPostController,FollowController,HomeController,LikeController,LoginController,MessageController,SearchController,ShareController,UserController
advice ExceptionAdvice
interceptor DataInterceptor,LoginRequiredInterceptor,MessageInterceptor,MessageInterceptor

dao elasticsearch DiscussPostRepository
CommentMapper,DisscussPostMapper,UserMapper,MessageMapper
entity Comment,DisscussPost,Event,LoginTicket,Message,Page,User
event EventConsumer,EventProducer

quartz PostScoreRefreshJob
service CommentService,DataService,DisscussPostService,ElasticsearchService,FollowService,LikeService,MessageService,UserService
util CommunityContstant,CommunityUtil,CookieUtil,HostHolder,RedisKeyUtil,SenstitiveFilter
CommunityApplication

community->src->main->resource
mapper comment-mapper.xml,discusspost-mapper.xml,message-mapper.xml,user-message.xml
static
css disscuss-detail.css,global.css,letter.css,login.css
html ajax-demo.html,student.html
img 404.png,captcha.png,error.png
js discuss.js,global.js,index.js,letter.js,profile.js,register.js,setting.js

application.properties
logback-spring.xml
sensitive-word.txt

数据库设计

SET NAMES utf8 ;
--
-- Table structure for table `comment`
--
DROP TABLE IF EXISTS `comment`;SET character_set_client = utf8mb4 ;
CREATE TABLE `comment` (`id` int(11) NOT NULL AUTO_INCREMENT,`user_id` int(11) DEFAULT NULL,`entity_type` int(11) DEFAULT NULL,`entity_id` int(11) DEFAULT NULL,`target_id` int(11) DEFAULT NULL,`content` text,`status` int(11) DEFAULT NULL,`create_time` timestamp NULL DEFAULT NULL,PRIMARY KEY (`id`),KEY `index_user_id` (`user_id`) /*!80000 INVISIBLE */,KEY `index_entity_id` (`entity_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
--
-- Table structure for table `discuss_post`
--
DROP TABLE IF EXISTS `discuss_post`;SET character_set_client = utf8mb4 ;
CREATE TABLE `discuss_post` (`id` int(11) NOT NULL AUTO_INCREMENT,`user_id` varchar(45) DEFAULT NULL,`title` varchar(100) DEFAULT NULL,`content` text,`type` int(11) DEFAULT NULL COMMENT '0-普通; 1-置顶;',`status` int(11) DEFAULT NULL COMMENT '0-正常; 1-精华; 2-拉黑;',`create_time` timestamp NULL DEFAULT NULL,`comment_count` int(11) DEFAULT NULL,`score` double DEFAULT NULL,PRIMARY KEY (`id`),KEY `index_user_id` (`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
--
-- Table structure for table `login_ticket`
--
DROP TABLE IF EXISTS `login_ticket`;SET character_set_client = utf8mb4 ;
CREATE TABLE `login_ticket` (`id` int(11) NOT NULL AUTO_INCREMENT,`user_id` int(11) NOT NULL,`ticket` varchar(45) NOT NULL,`status` int(11) DEFAULT '0' COMMENT '0-有效; 1-无效;',`expired` timestamp NOT NULL,PRIMARY KEY (`id`),KEY `index_ticket` (`ticket`(20))
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
--
-- Table structure for table `message`
--
DROP TABLE IF EXISTS `message`;SET character_set_client = utf8mb4 ;
CREATE TABLE `message` (`id` int(11) NOT NULL AUTO_INCREMENT,`from_id` int(11) DEFAULT NULL,`to_id` int(11) DEFAULT NULL,`conversation_id` varchar(45) NOT NULL,`content` text,`status` int(11) DEFAULT NULL COMMENT '0-未读;1-已读;2-删除;',`create_time` timestamp NULL DEFAULT NULL,PRIMARY KEY (`id`),KEY `index_from_id` (`from_id`),KEY `index_to_id` (`to_id`),KEY `index_conversation_id` (`conversation_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
--
-- Table structure for table `user`
--
DROP TABLE IF EXISTS `user`;SET character_set_client = utf8mb4 ;
CREATE TABLE `user` (`id` int(11) NOT NULL AUTO_INCREMENT,`username` varchar(50) DEFAULT NULL,`password` varchar(50) DEFAULT NULL,`salt` varchar(50) DEFAULT NULL,`email` varchar(100) DEFAULT NULL,`type` int(11) DEFAULT NULL COMMENT '0-普通用户; 1-超级管理员; 2-版主;',`status` int(11) DEFAULT NULL COMMENT '0-未激活; 1-已激活;',`activation_code` varchar(100) DEFAULT NULL,`header_url` varchar(200) DEFAULT NULL,`create_time` timestamp NULL DEFAULT NULL,PRIMARY KEY (`id`),KEY `index_username` (`username`(20)),KEY `index_email` (`email`(20))
) ENGINE=InnoDB AUTO_INCREMENT=101 DEFAULT CHARSET=utf8;