zkr/shz-backend
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

修改推荐岗位完成一下几点：

Browse Source 
1.根据工作经验推荐相关的岗位4.0分
2.根据投递记录推荐相关的岗位3.0分
3.根据收藏记录推荐相关岗位2.0分
This commit is contained in:
chenshaohua
2026-07-25 18:44:20 +08:00
parent c8fc1c8f9e
commit 5e9c776abd
7 changed files with 270 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/query/ESJobSearch.java
View File

@@ -1,7 +1,7 @@
package com.ruoyi.cms.domain.query;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.ruoyi.cms.domain.Job;
import com.ruoyi.common.core.domain.entity.UserWorkExperiences;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
@@ -63,4 +63,13 @@ public class ESJobSearch extends Job
//结束时间
private Date endDate;
/**岗位收藏集合*/
private List<String> collectNames;
/**岗位申请集合*/
private List<String> applyNames;
/**工作经历*/
private List<UserWorkExperiences> userWorkExperiences;
}

2
ruoyi-bussiness/src/main/java/com/ruoyi/cms/mapper/JobApplyMapper.java
View File

@@ -42,4 +42,6 @@ public interface JobApplyMapper extends BaseMapper<JobApply>
int updateJobZphApply(JobApply jobApply);
JobApply selectByJobIdAndUserId(@Param("jobId") Long jobId, @Param("userId") Long userId);
List<String> queryApplyNames(@Param("userId") Long userId);
}

3
ruoyi-bussiness/src/main/java/com/ruoyi/cms/mapper/JobCollectionMapper.java
View File

@@ -5,6 +5,7 @@ import java.util.List;
import com.ruoyi.cms.domain.Job;
import com.ruoyi.cms.domain.JobCollection;
import org.apache.ibatis.annotations.Param;
/**
* 用户岗位收藏Mapper接口
@@ -24,4 +25,6 @@ public interface JobCollectionMapper extends BaseMapper<JobCollection>
List<Job> collectionJob(Long userId);
public List<Job> selectJobCollectionListJob(JobCollection jobCollection);
List<String> queryCollectNames(@Param("userId") Long userId);
}

78
ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/ESJobSearchImpl.java
View File

@@ -2,21 +2,20 @@ package com.ruoyi.cms.service.impl;
import com.alibaba.fastjson.JSON;
import com.ruoyi.cms.domain.vo.CompanyVo;
import com.ruoyi.cms.mapper.AppUserBlockCompanyMapper;
import com.ruoyi.cms.mapper.CompanyMapper;
import com.ruoyi.cms.mapper.*;
import com.ruoyi.cms.service.ICompanyService;
import com.ruoyi.cms.util.remommend.JobRecommendUtil;
import com.ruoyi.common.core.domain.entity.AppUser;
import com.ruoyi.cms.domain.ESJobDocument;
import com.ruoyi.cms.domain.Job;
import com.ruoyi.cms.domain.query.ESJobSearch;
import com.ruoyi.cms.mapper.es.EsJobDocumentMapper;
import com.ruoyi.cms.mapper.JobMapper;
import com.ruoyi.cms.mapper.JobTitleMapper;
import com.ruoyi.cms.service.IESJobSearchService;
import com.ruoyi.common.core.domain.entity.JobTitle;
import com.ruoyi.cms.util.ListUtil;
import com.ruoyi.cms.util.StringUtil;
import com.ruoyi.common.core.domain.entity.Company;
import com.ruoyi.common.core.domain.entity.UserWorkExperiences;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.utils.DateUtils;
@@ -62,6 +61,12 @@ public class ESJobSearchImpl implements IESJobSearchService
private RedisCache redisCache;
@Autowired
private AppUserBlockCompanyMapper appUserBlockCompanyMapper;
@Autowired
private JobApplyMapper jobApplyMapper;
@Autowired
private JobCollectionMapper jobCollectionMapper;
@Autowired
private UserWorkExperiencesMapper userWorkExperiencesMapper;
// 锁的key（唯一标识ES索引初始化）
private static final String ES_INIT_LOCK_KEY = "es:job_document:init:lock";
@@ -245,15 +250,12 @@ public class ESJobSearchImpl implements IESJobSearchService
//查询
if(SiteSecurityUtils.isLogin()){
AppUser appUser = appUserService.selectAppUserByUserId(SiteSecurityUtils.getUserId());
List<Long> jobs=appUserBlockCompanyMapper.selectBlockCompanyIdsByUserIdJobs(appUser.getUserId());
if (jobs != null) {
jobIds.addAll(jobs.stream().distinct().collect(Collectors.toList()));
}
if (!StringUtil.isEmptyOrNull(esJobSearch.getCode())) {
newSearch.setCode(esJobSearch.getCode());
}
//求职者
if (!isCompanyUser) {
setJobSeekerParams(appUser, esJobSearch, newSearch);
setJobSeekerParams(appUser, esJobSearch, newSearch,jobIds);
}
}
@@ -327,7 +329,7 @@ public class ESJobSearchImpl implements IESJobSearchService
* @param esJobSearch
* @param newSearch
*/
private void setJobSeekerParams(AppUser appUser, ESJobSearch esJobSearch, ESJobSearch newSearch) {
private void setJobSeekerParams(AppUser appUser, ESJobSearch esJobSearch, ESJobSearch newSearch,List<Long> jobIds) {
if(!ListUtil.isEmptyOrNull(appUser.getJobTitle())){
List<String> jobTitle = appUser.getJobTitle();
newSearch.setJobTitle(String.join(",", jobTitle));
@@ -348,9 +350,10 @@ public class ESJobSearchImpl implements IESJobSearchService
if(!StringUtil.isEmptyOrNull(esJobSearch.getArea())){
newSearch.setArea(esJobSearch.getArea());
}
if(!StringUtil.isEmptyOrNull(appUser.getWorkExperience())){
newSearch.setExperience(appUser.getWorkExperience());
}
//影响后面按照经验打分,先注释
// if(!StringUtil.isEmptyOrNull(appUser.getWorkExperience())){
// newSearch.setExperience(appUser.getWorkExperience());
// }
if(!StringUtil.isEmptyOrNull(esJobSearch.getExperience())){
newSearch.setExperience(esJobSearch.getExperience());
}
@@ -379,6 +382,22 @@ public class ESJobSearchImpl implements IESJobSearchService
if(!StringUtil.isEmptyOrNull(esJobSearch.getCompanyNature())){
newSearch.setCompanyNature(esJobSearch.getCompanyNature());
}
//屏蔽企业集合
List<Long> jobs=appUserBlockCompanyMapper.selectBlockCompanyIdsByUserIdJobs(appUser.getUserId());
if (jobs != null) {
jobIds.addAll(jobs.stream().distinct().collect(Collectors.toList()));
}
//查询投递集合
List<String> applyNames=jobApplyMapper.queryApplyNames(appUser.getUserId());
newSearch.setApplyNames(applyNames);
//查询收藏集合
List<String> collectNames=jobCollectionMapper.queryCollectNames(appUser.getUserId());
newSearch.setCollectNames(collectNames);
//工作经历集合
UserWorkExperiences expQuery = new UserWorkExperiences();
expQuery.setUserId(appUser.getUserId());
List<UserWorkExperiences> userWorkExperiences=userWorkExperiencesMapper.getWorkExperiencesList(expQuery);
newSearch.setUserWorkExperiences(userWorkExperiences);
}
/**
@@ -644,6 +663,13 @@ public class ESJobSearchImpl implements IESJobSearchService
if(!StringUtil.isEmptyOrNull(esJobSearch.getCompanyName())){
wrapper.and(x->x.like(ESJobDocument::getCompanyName,esJobSearch.getCompanyName()));
}
// 1.简历工作经历（最高权重）
JobRecommendUtil.appendWorkExpMatch(wrapper, esJobSearch.getUserWorkExperiences());
//投递记录
JobRecommendUtil.appendJobTitleMatch(wrapper, esJobSearch.getApplyNames(), JobRecommendUtil.APPLY_TITLE_BOOST);
//收藏记录
JobRecommendUtil.appendJobTitleMatch(wrapper, esJobSearch.getCollectNames(), JobRecommendUtil.COLLECT_TITLE_BOOST);
//按时间段来查询数据
Date startDate = esJobSearch.getStartDate();
Date endDate = esJobSearch.getEndDate();
@@ -1030,6 +1056,17 @@ public class ESJobSearchImpl implements IESJobSearchService
if(!StringUtil.isEmptyOrNull(appUser.getSalaryMin())){
newSearch.setMinSalary(Long.valueOf(appUser.getSalaryMin()));
}
//查询投递集合
List<String> applyNames=jobApplyMapper.queryApplyNames(appUser.getUserId());
newSearch.setApplyNames(applyNames);
//查询收藏集合
List<String> collectNames=jobCollectionMapper.queryCollectNames(appUser.getUserId());
newSearch.setCollectNames(collectNames);
//工作经历集合
UserWorkExperiences expQuery = new UserWorkExperiences();
expQuery.setUserId(appUser.getUserId());
List<UserWorkExperiences> userWorkExperiences=userWorkExperiencesMapper.getWorkExperiencesList(expQuery);
newSearch.setUserWorkExperiences(userWorkExperiences);
}
// 请求参数始终优先于用户资料偏好
@@ -1263,4 +1300,19 @@ public class ESJobSearchImpl implements IESJobSearchService
return -1;
}
}
/**
* 岗位名称推荐
* @param wrapper
* @param nameList
* @param boost
*/
/*private void appendJobTitleMatch(LambdaEsQueryWrapper<ESJobDocument> wrapper, List<String> nameList, Float boost) {
if (CollUtil.isEmpty(nameList)) {
return;
}
for (String title : nameList) {
wrapper.should(w -> w.match(ESJobDocument::getJobTitle, title, boost));
}
}*/
}

177
ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/remommend/JobRecommendUtil.java Normal file
View File

@@ -0,0 +1,177 @@
package com.ruoyi.cms.util.remommend;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.ruoyi.cms.domain.ESJobDocument;
import com.ruoyi.common.core.domain.entity.UserWorkExperiences;
import org.dromara.easyes.core.conditions.select.LambdaEsQueryWrapper;
import java.time.LocalDate;
import java.time.Period;
import java.util.*;
/**
* 岗位推荐查询条件工具类
* 权重规则：
* 简历岗位名称（4/6/7） > 投递名称(3) > 收藏名称(2)
* 经验区间字典：
* 0=经验不限,1=实习生,2=应届毕业生,3=1年以下,4=1-3年,5=3-5年,6=5-10年,7=10年以上
*/
public class JobRecommendUtil {
// =====================权重常量，集中调参=====================
/** 工作经历岗位名称：任职不足1年 */
public static final Float POS_BOOST_SHORT = 4F;
/** 工作经历岗位名称：1~3年 */
public static final Float POS_BOOST_MID = 6F;
/** 工作经历岗位名称：>=3年 */
public static final Float POS_BOOST_LONG = 7F;
/** 投递岗位名称权重 */
public static final Float APPLY_TITLE_BOOST = 3F;
/** 收藏岗位名称权重 */
public static final Float COLLECT_TITLE_BOOST = 2F;
/** 经验区间匹配权重 */
public static final Float EXP_MATCH_SELF = 3F;
public static final Float EXP_MATCH_LOW1 = 2F;
public static final Float EXP_MATCH_LOWER = 1F;
// =====================基础计算方法=====================
/**
* 计算单条工作经历时长（月）
* @param startDateStr 开始年月 yyyy-MM
* @param endDateStr 结束年月 yyyy-MM；null代表至今在职
*/
public static int calcWorkMonth(String startDateStr, String endDateStr) {
if (StrUtil.isBlank(startDateStr)) {
return 0;
}
LocalDate start = LocalDate.parse(startDateStr + "-01");
LocalDate end;
if (StrUtil.isBlank(endDateStr)) {
end = LocalDate.now();
} else {
end = LocalDate.parse(endDateStr + "-01");
}
Period period = Period.between(start, end);
return period.getYears() * 12 + period.getMonths();
}
/**
* 计算全部工作经历总月数（简单累加，不处理时间重叠）
*/
public static int calcTotalWorkMonth(List<UserWorkExperiences> expList) {
if (CollUtil.isEmpty(expList)) {
return 0;
}
return expList.stream()
.mapToInt(exp -> calcWorkMonth(exp.getStartDate(), exp.getEndDate()))
.sum();
}
/**
* 总工作月数 → 转换经验编码
*/
public static Integer convertMonthToExpCode(int totalMonth) {
if (totalMonth <= 0) {
// 无工作经历：应届生
return 2;
}
double year = totalMonth / 12.0;
if (year < 1) {
return 3;
} else if (year <= 3) {
return 4;
} else if (year <= 5) {
return 5;
} else if (year <= 10) {
return 6;
} else {
return 7;
}
}
/**
* 追加简历工作经历匹配条件
* 1.岗位名称匹配
* 2.经验等级匹配
*/
public static <T> void appendWorkExpMatch(LambdaEsQueryWrapper<T> wrapper, List<UserWorkExperiences> expList) {
if (CollUtil.isEmpty(expList)) {
return;
}
Map<String, Float> posBoostMap = new HashMap<>();
for (UserWorkExperiences exp : expList) {
String position = exp.getPosition();
if (StrUtil.isBlank(position)) {
continue;
}
int month = calcWorkMonth(exp.getStartDate(), exp.getEndDate());
Float boost;
if (month >= 36) {
boost = POS_BOOST_LONG;
} else if (month >= 12) {
boost = POS_BOOST_MID;
} else {
boost = POS_BOOST_SHORT;
}
posBoostMap.compute(position, (k, old) -> old == null ? boost : Math.max(old, boost));
}
// 名称拼接，带上对应权重
for (Map.Entry<String, Float> entry : posBoostMap.entrySet()) {
String title = entry.getKey();
Float boost = entry.getValue();
wrapper.should(w -> w.match("jobTitle", title, boost));
}
// 经验区间梯度加权
int totalMonth = calcTotalWorkMonth(expList);
Integer userExpCode = convertMonthToExpCode(totalMonth);
appendExpCodeMatch(wrapper, userExpCode);
}
/**
* 根据用户经验编码，追加经验等级should条件
*/
private static <T> void appendExpCodeMatch(LambdaEsQueryWrapper<T> wrapper, Integer userExpCode) {
// 应届生 / 实习生
if (userExpCode <= 2) {
wrapper.should(w -> w.match("experience_int", 0, EXP_MATCH_SELF));
wrapper.should(w -> w.match("experience_int", 1, EXP_MATCH_SELF));
wrapper.should(w -> w.match("experience_int", 2, EXP_MATCH_SELF));
return;
}
int selfCode = userExpCode;
int lower1 = selfCode - 1;
List<Integer> lowerAll = new ArrayList<>();
for (int i = 0; i < lower1; i++) {
lowerAll.add(i);
}
// 完全匹配自身经验区间，最高权重
wrapper.should(w -> w.match("experience_int", selfCode, EXP_MATCH_SELF));
// 低一档经验，次权重
wrapper.should(w -> w.match("experience_int", lower1, EXP_MATCH_LOW1));
// 低两档及经验不限，最低权重
for (Integer code : lowerAll) {
wrapper.should(w -> w.match("experience_int", code, EXP_MATCH_LOWER));
}
}
/**
* 批量追加岗位名称match（投递/收藏通用）
* @param nameList 岗位名称集合
* @param boost 权重
*/
public static void appendJobTitleMatch(LambdaEsQueryWrapper<ESJobDocument> wrapper, List<String> nameList, Float boost) {
if (CollUtil.isEmpty(nameList)) {
return;
}
for (String title : nameList) {
wrapper.should(w -> w.match(ESJobDocument::getJobTitle, title, boost));
}
}
}

6
ruoyi-bussiness/src/main/resources/mapper/app/JobApplyMapper.xml
View File

@@ -200,4 +200,10 @@
<select id="selectByJobIdAndUserId" resultMap="JobApplyResult">
select * from job_apply where del_flag='0' and job_id=#{jobId} and user_id=#{userId}
</select>
<select id="queryApplyNames" resultType="java.lang.String">
select distinct j.job_title from job_apply ja inner join job j on ja.job_id=j.job_id
where ja.del_flag='0' and j.del_flag='0' and ja.user_id=#{userId}
and ja.create_time >= now() - interval '6' month
</select>
</mapper>

7
ruoyi-bussiness/src/main/resources/mapper/app/JobCollectionMapper.xml
View File

@@ -44,4 +44,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
<if test="userId != null "> and a.user_id = #{userId}</if>
</where>
</select>
<select id="queryCollectNames" resultType="java.lang.String">
select distinct j.job_title
from job_collection jc inner join job j on jc.job_id = j.job_id
where jc.del_flag = '0' and j.del_flag = '0' and jc.user_id = #{userId}
and jc.create_time >= now() - interval '6' month
</select>
</mapper>