批处理 <select id="getAdsByGroupIds" resultMap="adInfoWithGroupId"> SELECT ai.*, gam.group_id FROM group_ad_mapping AS gam LEFT JOIN ad_info AS ai ON gam.creative_id = ai.creative_id WHERE gam.group_id in <foreach collection="list" item="item" index="index" separator=","
<mirror> <id>repo2</id> <mirrorOf>*</mirrorOf> <name>Human Readable Name for this Mirror.</name> <url>http://repo2.maven.org/maven2/</url> </mirror> <mirror> <id>aliyun</id> <mirrorOf>central</mirrorOf> <name>Human Readable Name for this Mirror.</name> <url>http://maven.aliyun.com/nexus/content/groups/public/</url> </mirror> 配置成阿里云的服