MyBatis中的resultMap两个association

查询一个类，需要带出来其他两个类

投递简历Vo

@ApiModel(value="投递简历Vo")
public class SendResumeVo implements Serializable {// 省略其他属性@ApiModelProperty(value="招聘信息ID" )private   Long recruitId;@ApiModelProperty(value="招聘信息Vo" )private    RecruitVo recruitVo;//求职者ID@ApiModelProperty(value="求职者ID" )private Long userId;@ApiModelProperty(value="简历ID" )private Long resumeId;@ApiModelProperty(value="简历Vo" )private   ResumeVo resumeVo;
}

投递简历xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.xxx.mapper.SendResumeMapper"><!--投递简历Vo--><resultMap id="resultMap" type="com.xxx.entity.SendResumeVo"><id column="id" property="id"/><result column="company_id" property="companyId"/><result column="recruit_id" property="recruitId"/><result column="user_id" property="userId"/><result column="resume_id" property="resumeId"/><result column="status" property="status"/><result column="create_date" property="createDate"/><!--association column的id是对应查询片段中的变量，recruit_id是当前resultMap中查询的列名--><association property="recruitVo" select="com.xxx.mapper.RecruitMapper.selectOneVo" column="{id=recruit_id}" /><association property="resumeVo" select="com.xxx.mapper.ResumeMapper.selectOneVo" column="{id=resume_id}" /></resultMap><select id="selectPageSendResumeVo" resultMap="resultMap">SELECT省略...,resume_id,recruit_idFROMsend_resume AS sr<where>sr.user_id = #{userId} </where></select>
</mapper>```
#### 其他两个xml的片段
```xml<!--据说被引用的sql片段这里一定要写 parameterType="java.util.Map"，实测不写也ok--><select id="selectOneVo" parameterType="java.util.Map" resultType="com.xxx.entity.RecruitVo">SELECT省略...FROMrecruit AS r<where><if test="id!=null">AND r.id=#{id}</if></where>LIMIT 1</select>
``````xml<!--据说被引用的sql片段这里一定要写 parameterType="java.util.Map"，实测不写也ok--><select id="selectOneVo" parameterType="java.util.Map" resultType="com.xxx.entity.ResumeVo">SELECT省略...FROMresume AS r<where><if test="id!=null">AND r.id=#{id}</if></where>ORDER BY r.update_date DESCLIMIT 1</select>
```#### 查询结果json
```json
{"id": 1,"companyId": 1,"recruitId": 1,"recruitVo": {"id": 1,"companyId": 1,"companyName": "能力有限","companyType": "1","industryId": 0,"industryLabel": "","jobStationId": 2,"jobStationLabel": "印前","jobPosition": null,"jobAreaId": 0,"jobAreaLabel": "","hiringNumber": 0,"gender": "1","genderLabel": "男","educationLevel": "1","educationLevelLabel": "小学","workingYears": "1","workingYearsLabel": "一年及以下","salaryLevel": "3","salaryLevelLabel": "3000-4000元","endDate": "2020-02-02 00:00:00","jobRequirements": null,"jobDuties": null,"createDate": "2020-02-23 18:25:08","updateDate": "2020-02-23 18:40:33","viewCount": 2},"userId": 1,"resumeId": 1,"resumeVo": {"id": 1,"userId": 0,"name": "lzx","gender": "1","genderLabel": "男","birthDate": "2020-02-20 00:00:00","nativePlaceProvinceId": 0,"nativePlaceProvinceLabel": "","phone": "17051018721","photo": null,"img": null,"educationLevel": "1","educationLevelLabel": "小学","workingYears": "1","workingYearsLabel": "一年及以下","livingCityId": 0,"livingCityLabel": "","workingStatus": "1","workingStatusLabel": "在职，看看新计划","industryId": 0,"industryLabel": "","jobStationId": 0,"jobStationLabel": "","jobPosition": "wz","salaryLevel": "1","salaryLevelLabel": "2000元及以下","avatar": "http://aa.jpg","workExperience": "1","experienceDesc": null,"specialSkill": "","selfEvaluation": null,"introduce": "hfsjfsf","jobExpect": "ex","advantage": "1,2,3","advantageLabel": "形象好,气质佳,能出差","viewCount": 0,"inviteCount": 0,"createDate": "2020-02-23 16:53:07"},"status": "1","createDate": "2020-02-25 12:14:24"}```

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MyBatis中的resultMap两个association

投递简历Vo

投递简历xml

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