mysql+mybatis 外連接拼接字段--gxy

<select id="queryInfo" resultMap="BaseCustomerResultMap">

        select t.*, c.num,c.communicateTime from t_baseimportcustom t
        LEFT JOIN (
            SELECT
                tt.baseId,
                COUNT(tt.id) num,
                tt.communicateTime
            FROM
                t_commurecord tt
            GROUP BY
                tt.baseId,
                tt.communicateTime
            ORDER BY
                tt.communicateTime
            LIMIT 1
        ) c ON c.baseId = t.id
        where t.factoryId = #{factoryId}
        <if test="customername != null">
            and t.customerName like #{customername}
            or t.phoneName like #{customername}
            or t.jobLevel like #{customername}
            or t.belongCompany like #{customername}
            or t.belongMarket like #{customername}
        </if>
      </select>

使用外連接新生成的非數據庫字段組合。

<resultMap id="BaseCustomerResultMap" type="com.fan.springboot.entity.BaseCustomerMessage" >
    <id column="id" property="id" jdbcType="INTEGER" />
     <result column="customerName" property="customername" jdbcType="VARCHAR" />
    <result column="phoneName" property="phonename" jdbcType="VARCHAR" />
    <result column="jobLevel" property="joblevel" jdbcType="VARCHAR" />
    <result column="hobby" property="hobby" jdbcType="VARCHAR" />
    <result column="belongMarket" property="belongmarket" jdbcType="VARCHAR" />
    <result column="belongCompany" property="belongcompany" jdbcType="VARCHAR" />
    <result column="birthday" property="birthday" jdbcType="VARCHAR" />
    <result column="borthdayHabit" property="borthdayhabit" jdbcType="VARCHAR" />
    <result column="homeMate" property="homemate" jdbcType="VARCHAR" />
    <result column="selfTaboo" property="selftaboo" jdbcType="VARCHAR" />
    <result column="createUserId" property="createuserid" jdbcType="VARCHAR" />
    <result column="createUserName" property="createusername" jdbcType="VARCHAR" />
    <result column="factoryId" property="factoryid" jdbcType="VARCHAR" />
    <result column="createDate" property="createdate" jdbcType="TIMESTAMP" />
    <result column="updateDate" property="updatedate" jdbcType="TIMESTAMP" />
    <result column="communicateTime" property="lastRedTime" />
    <result column="num" property="num" />
  </resultMap>

java

package com.fan.springboot.entity;

import java.util.Date;

/**
 * 重要客戶之基礎信息
 * @author GJY
 *
 * @version 創建時間：2017年12月11日 上午10:11:30 
 *
 */
public class BaseCustomerMessage {
    private Long id;

    private String customername;

    private String phonename;

    private String joblevel;

    private String hobby;

    private String belongmarket;

    private String belongcompany;

    private String birthday;

    private String borthdayhabit;

    private String homemate;

    private String selftaboo;

    private String createuserid;

    private String createusername;

    private String factoryid;

    private Date createdate;

    private Date updatedate;

    /**附加字段**/
    private Integer num;

    private Date lastRedTime;

    public Integer getNum() {
        return num;
    }

    public void setNum(Integer num) {
        this.num = num;
    }

    public Date getLastRedTime() {
        return lastRedTime;
    }

    public void setLastRedTime(Date lastRedTime) {
        this.lastRedTime = lastRedTime;
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getCustomername() {
        return customername;
    }

    public void setCustomername(String customername) {
        this.customername = customername == null ? null : customername.trim();
    }

    public String getPhonename() {
        return phonename;
    }

    public void setPhonename(String phonename) {
        this.phonename = phonename == null ? null : phonename.trim();
    }

    public String getJoblevel() {
        return joblevel;
    }

    public void setJoblevel(String joblevel) {
        this.joblevel = joblevel == null ? null : joblevel.trim();
    }

    public String getHobby() {
        return hobby;
    }

    public void setHobby(String hobby) {
        this.hobby = hobby == null ? null : hobby.trim();
    }

    public String getBelongmarket() {
        return belongmarket;
    }

    public void setBelongmarket(String belongmarket) {
        this.belongmarket = belongmarket == null ? null : belongmarket.trim();
    }

    public String getBelongcompany() {
        return belongcompany;
    }

    public void setBelongcompany(String belongcompany) {
        this.belongcompany = belongcompany == null ? null : belongcompany.trim();
    }

    public String getBirthday() {
        return birthday;
    }

    public void setBirthday(String birthday) {
        this.birthday = birthday == null ? null : birthday.trim();
    }

    public String getBorthdayhabit() {
        return borthdayhabit;
    }

    public void setBorthdayhabit(String borthdayhabit) {
        this.borthdayhabit = borthdayhabit == null ? null : borthdayhabit.trim();
    }

    public String getHomemate() {
        return homemate;
    }

    public void setHomemate(String homemate) {
        this.homemate = homemate == null ? null : homemate.trim();
    }

    public String getSelftaboo() {
        return selftaboo;
    }

    public void setSelftaboo(String selftaboo) {
        this.selftaboo = selftaboo == null ? null : selftaboo.trim();
    }

    public String getCreateuserid() {
        return createuserid;
    }

    public void setCreateuserid(String createuserid) {
        this.createuserid = createuserid == null ? null : createuserid.trim();
    }

    public String getCreateusername() {
        return createusername;
    }

    public void setCreateusername(String createusername) {
        this.createusername = createusername == null ? null : createusername.trim();
    }

    public String getFactoryid() {
        return factoryid;
    }

    public void setFactoryid(String factoryid) {
        this.factoryid = factoryid == null ? null : factoryid.trim();
    }

    public Date getCreatedate() {
        return createdate;
    }

    public void setCreatedate(Date createdate) {
        this.createdate = createdate;
    }

    public Date getUpdatedate() {
        return updatedate;
    }

    public void setUpdatedate(Date updatedate) {
        this.updatedate = updatedate;
    }

    @Override
    public String toString() {
        return "BaseCustomerMessage [id=" + id + ", customername=" + customername + ", phonename=" + phonename
                + ", joblevel=" + joblevel + ", hobby=" + hobby + ", belongmarket=" + belongmarket + ", belongcompany="
                + belongcompany + ", birthday=" + birthday + ", borthdayhabit=" + borthdayhabit + ", homemate="
                + homemate + ", selftaboo=" + selftaboo + ", createuserid=" + createuserid + ", createusername="
                + createusername + ", factoryid=" + factoryid + ", createdate=" + createdate + ", updatedate="
                + updatedate + "]";
    }



}