Batch deletion function - background mapper layer SQL statement parsing

sql:

delete from tbl_activity where id in(xxx,xxx,xxx)

To the above sql Our main problem is to splice images (xxx,xxx,xxx) One of these sql sentence

And here we pass foreach Label de splicing

<delete id="deleteActivityByIds" parameterType="String">
    delete from tbl_activity where id in
    <foreach collection="array" item="id" separator="," open="(" close=")">
      #{id}
    </foreach>
  </delete>

notes ： Like delete , to update , Adding and other operations affect the number of entries. You do not need to use resultType etc. ,mybatis The number of affected records will be returned automatically