Mybatis 中的insertOrUpdate操作

<insert id="insertOrUpdate"> insert into base_person       (pname, idcard, gender, nation, source_flag, create_time)    values    <foreach collection="list" item="p" index="index" separator=",">        (#{p.pname},        #{p.idcard},        #{p.gender},        #{p.nation},        #{p.sourceFlag},        #{p.createTime})    </foreach>    ON DUPLICATE KEY UPDATE        pname=values(pname),        idcard=values(idcard),        gender=values(gender),        nation=values(nation)</insert>