Mybatis mapper.xml 配置

<!-- xml的标准格式 -->
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<!-- mapper的根节点 -->
<mapper namespace="com.mayi.service.mobile.suburbtrip.db.dao.mapper.CouponActivityInfoMapper" >
  <!--
 标签cache
  -->
  <cache
  eviction="FIFO"
  flushInterval="60000"
  size="512"
  readOnly="true"/>
  <!--
 标签cache-ref
  -->
  <cache-ref namespace="com.someone.application.data.SomeMapper"/>
  <!-- parameterMap -->
  <!-- resultMap -->
  <!--
 标签sql
 sql代码段，使用时，利用标签<include ref>
 delete from Author where id = #{id}
  </delete>
 
</mapper>