mybatis update 语句

  <update id="updateStatus" parameterClass="java.util.Map">
        update t_meter_info
        <dynamic prepend="set" >
            <isNotNull prepend="," property="zyBureauNo" >
            ZY_BUREAU_NO = #zyBureauNo:VARCHAR#
          </isNotNull>
          <isNotNull prepend="," property="zyBureauName" >
            ZY_BUREAU_NAME = #zyBureauName:VARCHAR#
          </isNotNull>
      </dynamic>
      where meter_household_no in
        <iterate close=")" conjunction="," property="list"  open="(">#list[]#</iterate> 
  </update>
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原文地址：https://www.cnblogs.com/congyu/p/8084596.html