<insert id="insertList" parameterType="java.util.List">

        insert into balance(balance_date,money,fm_id) values

        <!--item就是List里每一项的对象名，要用","分割每一条数据，最后要";"结尾-->

        <foreach collection="list" item="balance" separator="," close=";">

            (#{balance.balanceDate},#{balance.money},#{balance.fmId})

        </foreach>

    </insert>