QHSE/qhse-common/src/main/resources/mybatis/system/QhseDrugManageDetailDao.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.rongwei.bscommon.system.dao.QhseDrugManageDetailDao">

   <update id="updateWarningState">
       <foreach collection="ids" item="id" separator=";">
           update qhse_drug_manage_detail a
           <set>
               a.WARNINGSTATE=(
               CASE
                   WHEN DATEDIFF(DAY,NOW(),a.EXPIRATIONDATE)>=180 THEN '0'
                   WHEN DATEDIFF(DAY,NOW(),a.EXPIRATIONDATE)>=90 THEN '1'
                   WHEN DATEDIFF(DAY,NOW(),a.EXPIRATIONDATE)>=30 THEN '2'
                   WHEN DATEDIFF(DAY,NOW(),a.EXPIRATIONDATE) <![CDATA[ <= ]]>0 THEN '4'
               ELSE '3' END
               )
           </set>
           <where>
               a.ID=#{id}
           </where>

       </foreach>
   </update>
</mapper>