<delete id="deleteByStandardIds"> 
delete from t_standard_catalog where standard_id in 
<foreach collection="array" item="standardId" open="(" close=")" separator=","> 
#{standardId,jdbcType=INTEGER} 
</foreach></delete>或者 <delete id="deleteByStandardIds" parameterType="java.util.List"> 
delete from t_standard_catalog where standard_id in 
<foreach collection="list" item="standardId" open="(" close=")" separator=","> 
#{standardId,jdbcType=INTEGER} 
</foreach>
</delete>