<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"

"http://mybatis.org/dtd/mybatis-3-config.dtd">

<configuration>

<!-- 配置mybatis的缓存，延迟加载等等一系列属性 -->

<settings>

<!-- 全局映射器启用缓存 -->

<setting name="cacheEnabled" value="true" />

<!-- 查询时，关闭关联对象即时加载以提高性能 -->

<setting name="lazyLoadingEnabled" value="true" />

<!-- 设置关联对象加载的形态，此处为按需加载字段(加载字段由SQL指 定)，不会加载关联表的所有字段，以提高性能 -->

<setting name="aggressiveLazyLoading" value="false" />

<!-- 对于未知的SQL查询，允许返回不同的结果集以达到通用的效果 -->

<setting name="multipleResultSetsEnabled" value="true" />

<!-- 允许使用列标签代替列名 -->

<setting name="useColumnLabel" value="true" />

<!-- 允许使用自定义的主键值(比如由程序生成的UUID 32位编码作为键值)，数据表的PK生成策略将被覆盖 -->

<!-- <setting name="useGeneratedKeys" value="true" /> -->

<!-- 给予被嵌套的resultMap以字段-属性的映射支持 -->

<setting name="autoMappingBehavior" value="FULL" />

<!-- 对于批量更新操作缓存SQL以提高性能 -->

<setting name="defaultExecutorType" value="BATCH" />

<!-- 数据库超过25000秒仍未响应则超时 -->

<setting name="defaultStatementTimeout" value="25000" />

</settings>

<typeAliases>

<typeAlias alias="Message" type="com.aixuexiao.model.Message" />

<typeAlias alias="Reply" type="com.aixuexiao.model.Reply" />

<typeAlias alias="Article" type="com.aixuexiao.model.Article" />

<typeAlias alias="Student" type="com.aixuexiao.model.Student" />

<typeAlias alias="Classes" type="com.aixuexiao.model.Classes" />

<typeAlias alias="Exam" type="com.aixuexiao.model.Exam" />

<typeAlias alias="ExamMark" type="com.aixuexiao.model.ExamMark" />

<typeAlias alias="StudentMessage" type="com.aixuexiao.model.StudentMessage" />

<typeAlias alias="ClassesNews" type="com.aixuexiao.model.ClassesNews" />

</typeAliases>

<mappers>

<mapper resource="com/aixuexiao/dao/sqlmap/ReplyMapper.xml"/>

<mapper resource="com/aixuexiao/dao/sqlmap/MessageMapper.xml"/>

<mapper resource="com/aixuexiao/dao/sqlmap/StudentMapper.xml"/>

<mapper resource="com/aixuexiao/dao/sqlmap/ExamMapper.xml"/>

<mapper resource="com/aixuexiao/dao/sqlmap/StudentMessageMapper.xml"/>

<mapper resource="com/aixuexiao/dao/sqlmap/ClassesNewsMapper.xml"/>

<mapper resource="com/aixuexiao/dao/sqlmap/ClassesMapper.xml"/>

</mappers>

</configuration>