<select id="getSubCreditLogBySubCreditId" parameterType="long"
resultType="com.credit.model.SubcreditStatusLog">
SELECT
sl.status,
ui.realName as loginName,
sl.checkReason,
sl.creditScore,
sl.reserveAmountRate,
sl.addTime
FROM
subcredit_statuslog sl
LEFT JOIN
user_info ui on
ui.userId=sl.userId
WHERE sl.subCreditId = #{subCreditId} and sl.status > 2
</select>
ui.realName as loginName,
ui.realName 是 user_info 对应的model的属性 realName
loginName 是subcredit_statuslog 对应的model属性 如果不加 as subcredit_statuslog 对应的model 的属性也应该叫 realName