问题描述:
查询认购单详情
<select id="adminGetDatail" resultMap="SubscriptionPO" parameterType="com.money56.ifmp.api.module.bm.vo.ProductSubscriptionVO" >
SELECT
c.real_name,c.phone,c.idcard_no
FROM bm_subscription AS a JOIN ms_member AS c
where 1=1
<if test="subscriptionId != null" >
and a.subscription_id = #{subscriptionId,jdbcType=CHAR}
</if>
<if test="memberId != null" >
and c.member_id = #{memberId,jdbcType=CHAR}
</if>
</select>
<resultMap id= "SubscriptionPO" type = "com.money56.ifmp.api.module.bm.po.SubscriptionPO">
<id column="subscription_id" property="subscriptionId" jdbcType="CHAR" />
<result column="phone" property="phone" jdbcType="CHAR" />
<result column="real_name" property="realName" jdbcType="VARCHAR" />
</resultMap>
/**
* admin
* 获取认购单详情
* @param vo
* @return
*/
public String adminGetDatails(ProductSubscriptionVO vo){
if (StringUtils.isBlank(vo.getSubscriptionId())) {
return buildFailResult(SystemStatusEnum.ILLEGAL_PARAMETER, "请传入认购单ID");
}
if (StringUtils.isBlank(vo.getMemberId())) {
return buildFailResult(SystemStatusEnum.ILLEGAL_PARAMETER, "请传入会员ID");
}
SubscriptionPO po = dao.adminGetDatail(vo);
if (po == null) {
return buildFailResult(SystemStatusEnum.NO_DATA);
}
SubscriptionVO subscriptionVO = VoFactory.createByJson(SubscriptionVO.class, po);
return buildSuccessResult(subscriptionVO, false);
}
结果为:
![](https://img-blog.csdn.net/20180307114231639)
从sql语句上看,明明我查了3个字段,姓名、电话、身份证号码。问题是少了身份证号码字段。为什么呢?
问题分析:
myBatis通过xml文件把查询的结果resultMap映射到type实体类中。
我们检查resultMap与type实体类,发现type实体类中有身份证号码字段,但resultMap没有身份证号码字段。造成查询结果无法映射给实体类,所以我们在最终的结果中看不到身份证号码字段。
问题解决:
在resultMap中增加身份证号码字段。
<resultMap id= "SubscriptionPO" type = "com.money56.ifmp.api.module.bm.po.SubscriptionPO">
<id column="subscription_id" property="subscriptionId" jdbcType="CHAR" />
<result column="phone" property="phone" jdbcType="CHAR" />
<result column="real_name" property="realName" jdbcType="VARCHAR" />
<result column="idcard_no" property="idcardNo" jdbcType="VARCHAR" />
</resultMap>
然后运行代码,发现问题已解决。