java对象读取mybatis.xml配置文件<br>
<span style="font-size:inherit;">加载核心配置文件：InputStream resourceAsStream = Resources.getResourceAsStream("SqlMapConfig.xml");</span>
获得sqlSession工厂对象：SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(resourceAsStream);<br>
获得sqlSession对象：SqlSession sqlSession = sqlSessionFactory.openSession();<br>
获得MyBatis框架生成的XXXMapper接口的实现类：UserMapper mapper = sqlSession.getMapper(UserMapper.class);<br>
mybatis.xml<br>
加载外部配置文件：properties<br>
配置：settings<br>
别名：typeAliases<br>
单个创建别名：typeAlias<br>
批量创建别名：package<br>
类型处理器：typeHandlers<br>
MyBatis 的拦截器插件：plugins<br>
环境：environments<br>
mappers标签读取mapper.xml文件<br>
XXXMapper.xml
增删改查标签
<select>
<insert>
update
delete
动态 SQL 标签
<if>
<where><br>
<set>
<trim>
<foreach>
<choose>/<when>/<otherwise>
结果映射标签
<resultMap>
association
collection
