foreach属性-动态-mybatis中使用map类型参数，其中key为列名，value为列值

 

http://www.cnblogs.com/anruy/p/5942044.html

Integer updateA(@Param("A") Map A);

UPDATE TA 
SET status =

CASE WHEN debt - (#{A[${key}]})=0 then 1 else 3 end
else 3 end
WHERE
no = #{key}

转载于:https://www.cnblogs.com/jcz1206/p/6208482.html