前言

查询报错

Result Maps collection does not contain value for java.util.HashMap

原因

SQL XML中包含此返回类型

解决

第一个错误是resultMap 应改为resultType

注意:就算你查询其他方法,XML也会因为有此段代码而报错
参考文章:【Result Maps collection does not contain value for java.util.HashMap】解决参考文章:【Mybatis】resultType与resultMap

resultMap="java.util.HashMap"
<select id="queryCertCodeByInfo" resultMap="java.util.HashMap">select fi_cert_code,counteract_cert_codefrom zd_fi_gl.fi_cert_title  where t_year=#{tYear}and company_code=#{companyCode}and fi_cert_code in (<foreach collection="certCodes" item="item" index="index" separator=",">#{item}</foreach>)</select>

使用合适的类型

Result Maps collection does not contain value for java.util.HashMap_java