jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true
2 .在delete节点中添加多条语句:
ex:
<delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" > delete from music_favorite where id = #{id,jdbcType=INTEGER}; delete from music_favorite_song where f_id = #{id,jdbcType=INTEGER}; </delete>
这可以用在mybatis的级联关系删除上,删除主表记录前,先删除关联表的记录,两条一起执行
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