计算机毕业设计PySpark+Hadoop招聘推荐系统 招聘大数据 招聘数据分析 招聘可视化 大数据毕业设计 大数据毕设

1. 管理端：  带有职位的增删改查功能，评论功能是针对新闻模块的，类似新闻大数据的实现
2. 网站端：  python / java 协同过滤推荐算法 / 下载职位数据表收费1元每条 / 账户充值 / 短信验证码修改密码 / 身份证识别 / 多条件搜索
3. 大屏端：  SparkUtils 之大屏 
* 职位的评论带情感分析，和新闻里用的技术一样，可在管理端评论管理中查看结果

核心算法代码分享如下：

package com.university.demo.controller;import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.university.demo.dao.JobDao;
import com.university.demo.dao.NewsDao;
import com.university.demo.entity.*;
import com.university.demo.entity.request.NewsRequest;
import com.university.demo.entity.request.SearchRequest;
import com.university.demo.entity.response.JobVo;
import com.university.demo.entity.response.NewsVo;
import com.university.demo.entity.system.ServerResponse;
import com.university.demo.python.TransferPython.ToPython;
import com.university.demo.service.*;
import com.university.demo.service.impl.TokenService;
import org.apache.commons.lang3.StringUtils;
import org.apache.mahout.cf.taste.recommender.RecommendedItem;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.xm.tendency.word.HownetWordTendency;import java.util.ArrayList;
import java.util.List;/*** @author redcomet* @since 2022-06-24*/
@RestController
@RequestMapping("/job")
public class JobController {@Autowiredprivate JobService jobService;@AutowiredToPython toPython;@Autowiredprivate CommentService commentService;@Autowiredprivate RateService rateService;@Autowiredprivate JobDao jobDao;@Autowiredprivate ThumbService thumbService;@Autowiredprivate ConcernService concernService;@Autowiredprivate StarService starService;@PostMapping("/modify")public ServerResponse modify(@RequestBody Job job) {return jobService.updateById(job) ? ServerResponse.ofSuccess("更新成功！") : ServerResponse.ofError("更新失败！");}@GetMapping("/delete/{id}")public ServerResponse delete(@PathVariable("id") Integer id) {return jobService.removeById(id) ? ServerResponse.ofSuccess("删除成功！") : ServerResponse.ofError("删除失败！");}@GetMapping("/{id}")public ServerResponse query(@PathVariable("id") Integer id) {return ServerResponse.ofSuccess(jobService.getById(id));}// 根据【点赞-thumb】来进行倒序排序@GetMapping("/news/{page}")public ServerResponse querys(@PathVariable("page") Integer page,@RequestParam(defaultValue = "10") Integer limit) {Page<Job> pages = new Page<>(page, limit);QueryWrapper<Job> wrapper = new QueryWrapper<Job>().orderByDesc("job_salary");IPage<Job> iPage = jobService.page(pages, wrapper);return ServerResponse.ofSuccess(iPage);}// 后端的接口@PostMapping("/search2")public ServerResponse search2(@RequestBody SearchRequest params,@RequestParam(defaultValue = "1") Integer page,@RequestParam(defaultValue = "10") Integer limit) {QueryWrapper<Job> wrapper = new QueryWrapper<>();wrapper.orderByDesc("job_date");wrapper.like(!StringUtils.isEmpty(params.getKeyword()), "job_name", params.getKeyword());
//                .eq(!StringUtils.isEmpty(params.getType()), "type", params.getType())
//                .eq("deleted", false);Page<Job> pages = new Page<>(page, limit);IPage<Job> iPage = jobService.page(pages, wrapper);if (page != null) {return ServerResponse.ofSuccess(iPage);}return ServerResponse.ofError("查询不到数据!");}@GetMapping({"/search/{keyword}", "/search/"})public ServerResponse search(@PathVariable(value = "keyword", required = false) String keyword, @RequestParam(defaultValue = "1") Integer page,@RequestParam(defaultValue = "10") Integer limit) {QueryWrapper<Job> wrapper = new QueryWrapper<>();wrapper.orderByDesc("job_date");wrapper.like(!StringUtils.isEmpty(keyword), "job_name", keyword);Page<Job> pages = new Page<>(page, limit);IPage<Job> iPage = jobService.page(pages, wrapper);if (page != null) {return ServerResponse.ofSuccess(iPage);}return ServerResponse.ofError("查询不到数据!");}@PostMapping("/add")public ServerResponse add(@RequestBody Job job) {job.setId(jobDao.getMaxId());boolean b = jobService.save(job);if (b) {return ServerResponse.ofSuccess("添加成功", job);}return ServerResponse.ofError("添加失败!");}/* 给前端用的 */@GetMapping({"/fontsearch/{username}"})public ServerResponse fontsearch(@PathVariable(value = "username", required = false) String username, @RequestParam(defaultValue = "1") Integer page,@RequestParam(defaultValue = "10") Integer limit) {QueryWrapper<Job> wrapper = new QueryWrapper<>();wrapper.orderByDesc("update_time");wrapper.like(!StringUtils.isEmpty(username), "job_name", username).eq("deleted", false);Page<Job> pages = new Page<>(page, limit);IPage<Job> iPage = jobService.page(pages, wrapper);if (page != null) {return ServerResponse.ofSuccess(iPage);}return ServerResponse.ofError("查询不到数据!");}// 推荐1// Mahout 基于协同过滤的推荐接口  基于User的皮尔逊相关系数@PostMapping({"/recommend"})public ServerResponse recommends(@RequestParam String username,@RequestBody SearchRequest query, @RequestParam(defaultValue = "1") Integer page,@RequestParam(defaultValue = "10") Integer limit) {List<JobVo> records = new ArrayList();List<RecommendedItem> items = rateService.getRecommendItemIds(query.getUserId(), 5);for (RecommendedItem item : items) {JobVo vo = new JobVo();Job job = jobService.getById(item.getItemID());BeanUtils.copyProperties(job, vo);QueryWrapper<Comment> wrapper2 = new QueryWrapper<>();wrapper2.eq("remark", job.getId());wrapper2.eq("deleted", false);List<Comment> comments = commentService.list(wrapper2);vo.setComments(comments);//如果在用户登录状态下，去查询他有没有点赞或者关注过这个文章作者if(!StringUtils.isEmpty(username)) {// 是否点赞QueryWrapper<Thumb> wrapper3 = new QueryWrapper<>();wrapper3.eq("nid", job.getId()).eq("deleted", false).eq("sid", username);int thumbs = thumbService.count(wrapper3);if (thumbs > 0)vo.setIthumb(true);elsevo.setIthumb(false);// 是否关注QueryWrapper<Star> wrapper4 = new QueryWrapper<>();wrapper4.eq("nid", job.getId()).eq("deleted", false).eq("sid", username).eq("type","news");int stars = starService.count(wrapper4);if (stars > 0)vo.setIstar(true);elsevo.setIstar(false);}records.add(vo);}return ServerResponse.ofSuccess(records);}@GetMapping({"/getOne/{id}"})public ServerResponse getOne(@PathVariable("id") Integer id, @RequestParam String username) {JobVo vo = new JobVo();Job job = jobService.getById(id);BeanUtils.copyProperties(job, vo);QueryWrapper<Comment> wrapper2 = new QueryWrapper<>();wrapper2.eq("remark", job.getId());wrapper2.eq("deleted", false);List<Comment> comments = commentService.list(wrapper2);vo.setComments(comments);//如果在用户登录状态下，去查询他有没有点赞或者关注过这个文章作者return ServerResponse.ofSuccess(vo);}// 推荐2@PostMapping({"/recommend2"})public ServerResponse recommends2(@RequestParam String username,@RequestBody SearchRequest query, @RequestParam(defaultValue = "1") Integer page,@RequestParam(defaultValue = "10") Integer limit) {List<JobVo> records = new ArrayList();String content = toPython.itemrec(String.valueOf(query.getUserId()));//转为json数据JSONArray jo = JSONObject.parseArray(content);for(int i=0;i<jo.size();i++){JSONObject  obj = jo.getJSONObject(i);JobVo vo = new JobVo();Job job = jobService.getById(obj.getInteger("iid"));BeanUtils.copyProperties(job, vo);QueryWrapper<Comment> wrapper2 = new QueryWrapper<>();wrapper2.eq("remark", job.getId());wrapper2.eq("deleted", false);List<Comment> comments = commentService.list(wrapper2);vo.setComments(comments);//如果在用户登录状态下，去查询他有没有点赞或者关注过这个文章作者if(!StringUtils.isEmpty(username)) {// 是否点赞QueryWrapper<Thumb> wrapper3 = new QueryWrapper<>();wrapper3.eq("nid", job.getId()).eq("deleted", false).eq("sid", username);int thumbs = thumbService.count(wrapper3);if (thumbs > 0)vo.setIthumb(true);elsevo.setIthumb(false);// 是否关注QueryWrapper<Star> wrapper4 = new QueryWrapper<>();wrapper4.eq("nid", job.getId()).eq("deleted", false).eq("sid", username).eq("type","news");int stars = starService.count(wrapper4);if (stars > 0)vo.setIstar(true);elsevo.setIstar(false);}records.add(vo);}return ServerResponse.ofSuccess(records);}/*** 综合搜索* 2021年12月28日*/@PostMapping({"/searchx"})public ServerResponse searchx(@RequestBody NewsRequest params, @RequestParam(defaultValue = "1") Integer page,@RequestParam(defaultValue = "10") Integer limit) {List<JobVo> response = new ArrayList<>();QueryWrapper<Job> wrapper = new QueryWrapper<>();wrapper.orderByDesc("job_date");if (params != null) {wrapper.like(!StringUtils.isEmpty(params.getTitle()), "job_name", params.getTitle());wrapper.like(!StringUtils.isEmpty(params.getKeyword()), "job_company_type", params.getKeyword());wrapper.ge(!StringUtils.isEmpty(params.getBegin()), "job_date", params.getBegin());wrapper.le(!StringUtils.isEmpty(params.getEnd()), "job_date", params.getEnd());}//        wrapper.eq("deleted", false);Page<Job> pages = new Page<>(page, limit);IPage<Job> iPage = jobService.page(pages, wrapper);List<Job> jobs = iPage.getRecords();HownetWordTendency hownet = new HownetWordTendency();jobs.forEach(job1 -> {JobVo v = new JobVo();String title = v.getJobName();double sim = hownet.getTendency(title);if(sim>0)v.setTend("正向");else if(sim<0)v.setTend("负向");elsev.setTend("中性");
//            v.setId(news1.getId());BeanUtils.copyProperties(job1, v);QueryWrapper<Comment> wrapper2 = new QueryWrapper<>();wrapper2.eq("remark", job1.getId());wrapper2.eq("deleted", false);List<Comment> comments = commentService.list(wrapper2);v.setComments(comments);response.add(v);});//前端需要返回分页参数IPage<JobVo> voPage = new Page<>();voPage.setRecords(response);voPage.setSize(iPage.getSize());voPage.setPages(iPage.getPages());voPage.setCurrent(iPage.getCurrent());voPage.setTotal(iPage.getTotal());if (page != null) {return ServerResponse.ofSuccess(voPage);}return ServerResponse.ofError("查询不到数据!");}}