springboot node.js前后端分离,spring 前后端分离

  springboot node.js前后端分离,spring 前后端分离

  

目录

一、项目简介二、环境介绍三、系统展示四、核心代码展示五、项目总结

 

  

一、项目简介

本项目使用跳趾蝠前端vue,使用前后端分离架构实现的个人博客系统,共7个模块,首页,写博客,博客详情页,评论管理,文章分类,标签管理和文章归档。该项目没有后端管理功能,比较适合用于大作业!

 

  

二、环境介绍

语言环境:Java: jdk1.8

 

  数据库:Mysql: mysql5.7/redis

  应用服务器:Tomcat:

  开发工具:想法或黯然失色

  项目管理工具: maven

  

三、系统展示

首页

 

  文章分类

  标签

  登录

  发布文章

  

四、核心代码展示

包com。mszlu。博客。控制器;导入com。mszlu。博客。常见。AOP。日志注释;导入com。mszlu。博客。常见。缓存。缓存;导入com。mszlu。博客。服务。文章服务;导入com。mszlu。博客。VO。结果;导入com。mszlu。博客。VO。参数。文章参数;导入com。mszlu。博客。VO。参数。页面参数;导入org。spring框架。豆子。工厂。注释。自动连线;导入org。spring框架。网络。绑定。注释。*;//json数据进行交互@ rest控制器@请求映射(文章)公共类文章控制器{ @ Autowired private ArticleService ArticleService;/** * 首页文章列表* @ param page params * @ return */@ post mapping//加上此注解代表要对此接口记录日志@LogAnnotation(module=文章,运算符=获取文章列表)@Cache(expire=5 * 60 * 1000,name=listArticle )公共结果list article(@ request body page params page params){//int I=10/0;返回文章服务。列出文章(页面参数);} /** * 首页最热文章* @ return */@ post mapping( hot )@ Cache(expire=5 * 60 * 1000,name=hot_article )公共结果hot article(){ int limit=5;返回articleService.hotArticle(限制);} /** * 首页最新文章* @ return */@ post mapping( new )@ Cache(expire=5 * 60 * 1000,name=news_article )公共结果new articles(){ int limit=5;返回articleService.newArticles(限制);} /** * 首页最新文章* @ return */@ post映射(“列出存档”)公共结果list archives(){ return articleservice。列出存档();} @PostMapping(view/{id} )公共结果findArticleByI

 

  d(@PathVariable("id") Long articleId){ return articleService.findArticleById(articleId); } //接口url:/articles/publish // //请求方式:POST @PostMapping("publish") public Result publish(@RequestBody ArticleParam articleParam){ return articleService.publish(articleParam); }}

package com.mszlu.blog.service.impl; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;import com.baomidou.mybatisplus.core.metadata.IPage;import com.baomidou.mybatisplus.extension.plugins.pagination.Page;import com.mszlu.blog.dao.dos.Archives;import com.mszlu.blog.dao.mapper.ArticleBodyMapper;import com.mszlu.blog.dao.mapper.ArticleMapper;import com.mszlu.blog.dao.mapper.ArticleTagMapper;import com.mszlu.blog.dao.pojo.Article;import com.mszlu.blog.dao.pojo.ArticleBody;import com.mszlu.blog.dao.pojo.ArticleTag;import com.mszlu.blog.dao.pojo.SysUser;import com.mszlu.blog.service.*;import com.mszlu.blog.utils.UserThreadLocal;import com.mszlu.blog.vo.ArticleBodyVo;import com.mszlu.blog.vo.ArticleVo;import com.mszlu.blog.vo.Result;import com.mszlu.blog.vo.TagVo;import com.mszlu.blog.vo.params.ArticleParam;import com.mszlu.blog.vo.params.PageParams;import org.apache.commons.lang3.StringUtils;import org.joda.time.DateTime;import org.springframework.beans.BeanUtils;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional; import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map; @Servicepublic class ArticleServiceImpl implements ArticleService { @Autowired private ArticleMapper articleMapper; @Autowired private TagService tagService; @Autowired private SysUserService sysUserService; @Autowired private ArticleTagMapper articleTagMapper; @Override public Result listArticle(PageParams pageParams) { Page<Article> page = new Page<>(pageParams.getPage(),pageParams.getPageSize()); IPage<Article> articleIPage = articleMapper.listArticle( page, pageParams.getCategoryId(), pageParams.getTagId(), pageParams.getYear(), pageParams.getMonth()); List<Article> records = articleIPage.getRecords(); return Result.success(copyList(records,true,true)); } // @Override// public Result listArticle(PageParams pageParams) {// /**// * 1. 分页查询 article数据库表// */// Page<Article> page = new Page<>(pageParams.getPage(),pageParams.getPageSize());// LambdaQueryWrapper<Article> queryWrapper = new LambdaQueryWrapper<>();// if (pageParams.getCategoryId() != null){// // and category_id=#{categoryId}// queryWrapper.eq(Article::getCategoryId,pageParams.getCategoryId());// }// List<Long> articleIdList = new ArrayList<>();// if (pageParams.getTagId() != null){// //加入标签 条件查询// //article表中 并没有tag字段 一篇文章 有多个标签// //article_tag article_id 1 : n tag_id// LambdaQueryWrapper<ArticleTag> articleTagLambdaQueryWrapper = new LambdaQueryWrapper<>();// articleTagLambdaQueryWrapper.eq(ArticleTag::getTagId,pageParams.getTagId());// List<ArticleTag> articleTags = articleTagMapper.selectList(articleTagLambdaQueryWrapper);// for (ArticleTag articleTag : articleTags) {// articleIdList.add(articleTag.getArticleId());// }// if (articleIdList.size() > 0){// // and id in(1,2,3)// queryWrapper.in(Article::getId,articleIdList);// }// }// //是否置顶进行排序// //order by create_date desc// queryWrapper.orderByDesc(Article::getWeight,Article::getCreateDate);// Page<Article> articlePage = articleMapper.selectPage(page, queryWrapper);// List<Article> records = articlePage.getRecords();// //能直接返回吗? 很明显不能// List<ArticleVo> articleVoList = copyList(records,true,true);// return Result.success(articleVoList);// } @Override public Result hotArticle(int limit) { LambdaQueryWrapper<Article> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.orderByDesc(Article::getViewCounts); queryWrapper.select(Article::getId,Article::getTitle); queryWrapper.last("limit "+limit); //select id,title from article order by view_counts desc limit 5 List<Article> articles = articleMapper.selectList(queryWrapper); return Result.success(copyList(articles,false,false)); } @Override public Result newArticles(int limit) { LambdaQueryWrapper<Article> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.orderByDesc(Article::getCreateDate); queryWrapper.select(Article::getId,Article::getTitle); queryWrapper.last("limit "+limit); //select id,title from article order by create_date desc desc limit 5 List<Article> articles = articleMapper.selectList(queryWrapper); return Result.success(copyList(articles,false,false)); } @Override public Result listArchives() { List<Archives> archivesList = articleMapper.listArchives(); return Result.success(archivesList); } @Autowired private ThreadService threadService; @Override public Result findArticleById(Long articleId) { /** * 1. 根据id查询 文章信息 * 2. 根据bodyId和categoryid 去做关联查询 */ Article article = this.articleMapper.selectById(articleId); ArticleVo articleVo = copy(article, true, true,true,true); //查看完文章了,新增阅读数,有没有问题呢? //查看完文章之后,本应该直接返回数据了,这时候做了一个更新操作,更新时加写锁,阻塞其他的读操作,性能就会比较低 // 更新 增加了此次接口的 耗时 如果一旦更新出问题,不能影响 查看文章的操作 //线程池 可以把更新操作 扔到线程池中去执行,和主线程就不相关了 threadService.updateArticleViewCount(articleMapper,article); return Result.success(articleVo); } @Override public Result publish(ArticleParam articleParam) { //此接口 要加入到登录拦截当中 SysUser sysUser = UserThreadLocal.get(); /** * 1. 发布文章 目的 构建Article对象 * 2. 作者id 当前的登录用户 * 3. 标签 要将标签加入到 关联列表当中 * 4. body 内容存储 article bodyId */ Article article = new Article(); article.setAuthorId(sysUser.getId()); article.setWeight(Article.Article_Common); article.setViewCounts(0); article.setTitle(articleParam.getTitle()); article.setSummary(articleParam.getSummary()); article.setCommentCounts(0); article.setCreateDate(System.currentTimeMillis()); article.setCategoryId(Long.parseLong(articleParam.getCategory().getId())); //插入之后 会生成一个文章id this.articleMapper.insert(article); //tag List<TagVo> tags = articleParam.getTags(); if (tags != null){ for (TagVo tag : tags) { Long articleId = article.getId(); ArticleTag articleTag = new ArticleTag(); articleTag.setTagId(Long.parseLong(tag.getId())); articleTag.setArticleId(articleId); articleTagMapper.insert(articleTag); } } //body ArticleBody articleBody = new ArticleBody(); articleBody.setArticleId(article.getId()); articleBody.setContent(articleParam.getBody().getContent()); articleBody.setContentHtml(articleParam.getBody().getContentHtml()); articleBodyMapper.insert(articleBody); article.setBodyId(articleBody.getId()); articleMapper.updateById(article); Map<String,String> map = new HashMap<>(); map.put("id",article.getId().toString()); return Result.success(map); } private List<ArticleVo> copyList(List<Article> records, boolean isTag, boolean isAuthor) { List<ArticleVo> articleVoList = new ArrayList<>(); for (Article record : records) { articleVoList.add(copy(record,isTag,isAuthor,false,false)); } return articleVoList; } private List<ArticleVo> copyList(List<Article> records, boolean isTag, boolean isAuthor, boolean isBody,boolean isCategory) { List<ArticleVo> articleVoList = new ArrayList<>(); for (Article record : records) { articleVoList.add(copy(record,isTag,isAuthor,isBody,isCategory)); } return articleVoList; } @Autowired private CategoryService categoryService; private ArticleVo copy(Article article, boolean isTag, boolean isAuthor, boolean isBody,boolean isCategory){ ArticleVo articleVo = new ArticleVo(); articleVo.setId(String.valueOf(article.getId())); BeanUtils.copyProperties(article,articleVo); articleVo.setCreateDate(new DateTime(article.getCreateDate()).toString("yyyy-MM-dd HH:mm")); //并不是所有的接口 都需要标签 ,作者信息 if (isTag){ Long articleId = article.getId(); articleVo.setTags(tagService.findTagsByArticleId(articleId)); } if (isAuthor){ Long authorId = article.getAuthorId(); articleVo.setAuthor(sysUserService.findUserById(authorId).getNickname()); } if (isBody){ Long bodyId = article.getBodyId(); articleVo.setBody(findArticleBodyById(bodyId)); } if (isCategory){ Long categoryId = article.getCategoryId(); articleVo.setCategory(categoryService.findCategoryById(categoryId)); } return articleVo; } @Autowired private ArticleBodyMapper articleBodyMapper; private ArticleBodyVo findArticleBodyById(Long bodyId) { ArticleBody articleBody = articleBodyMapper.selectById(bodyId); ArticleBodyVo articleBodyVo = new ArticleBodyVo(); articleBodyVo.setContent(articleBody.getContent()); return articleBodyVo; } }

 

  

五、项目总结

本项目使用技术新,采用最流行的springboot和vue前后端分离。适合大作业中使用。

 

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