?实现批量修改的sql语句，用List集合传值
<update id="studentBatchUpdate" parameterType="java.util.List"><foreach item="item" index="index" collection="list" open="" separator=";" close=""> update student <set> vps云服务器 studentNo = #{item.studentNo}, studentName = #{item.studentName}, studentAge = #{item.studentAge} </set> where id =#{item.id}</foreach></update>?
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