67,513
社区成员
发帖
与我相关
我的任务
分享
public int countFindByItem(@Param("likeUser")String userName);
<select id="countFindByItem" resultType="java.lang.Integer" >
select count(user_name) as num from t_user where 1=1
<if test="#{likeUser} != null and #{likeUser} != ''">
and user_name like '%${userName}%'
</if>
</select>
Error querying database. Cause: java.lang.IllegalArgumentException:
invalid comparison: java.util.LinkedHashMap and java.lang.String