mybatis底层还是采用原生jdbc来对数据库进行操作的，只是通过SqlSessionFactory，SqlSessionExecutor,StatementHandler，ParameterHandler,ResultHandler和TypeHandler等几个处理器封装了这些过程执行器：Executor(update,query,flushStatements,commit,rollback,getTransaction,close,isClosed)参数处理器：ParameterHandler(getParameterObject,setParameters)结构处理器ResultSe
