SqlSessionFactoryBuilder
配置初始化
getMapper
Mapper
MapperRegistry
invoke
MapperProxy
DefaultSqlSession
return 代理Mapper
build()
Executor
DefaultSqlSessionFactory
MapperProxy.MapperMethodInvoker
返回查询结果
query or update
return session
openSession()
parse()
execute()
返回Configuration
返回 DefaultSqlSessionFactory
运行
XMLConfigBuilder
build(Configuration)