在mybatis中，SqlSessionTemplate实现了SqlSession接口
如下面的源代码所示，这里使用名为bhdzxc的内部类，publicclassqlsessiontemplateimplementsqlsession { privatefinalzrdhb； 私人财务zgdjr； 私有服务质量评估服务质量评估代理； privatefinalpersistenceexceptiontranslatorexceptiontranslator；/dtdpkqdtdpkqdtdpkqconstructsaspringmanagedsqlsessionwiththe { @ codesqlsessionfactory } ddpkqprovidedasanargument.dtdpkqdtdpkq @ paramsqlsessionfactorydtdpkq/publicsqlsessiontemplate (Zr dhb ) this ) sqlsessssionsion //dtdpkqdtdpkqdtdpkqconstructsaspringmanagedsqlsessionwiththe { @ codesqlsessionfactory } ddpkqprovidedasanargumentandthegivivitory dtdpkq { @ codeexecutortype } cannotbechangedoncethe { @ codesqlsssion ddpkqisconstructed.dtdpkqdtdpkq @ paramsqlsessionfactonfacton publicsqlsessiontemplate (Zr dhb zdjr (this (sqlsessionfactory，执行程序类型， newmybatisexceptiontranslator ) sqlsessionfactory.get configuration ).get configuration }/dtdpkqdtdpkqdtdtdpkqconstructststsasaspratspration withthegivendtdpkq { @ codesqlsessionfactory } and { @ code.dtdpkqacustom { @ codesqlexceptiontranslator } canbeprovidedasandtdpkqargumentsoany { @ codepersistenceexception } thrownbymybatisdtdpkqcanbecustomtranslatedtoa { @ coderuntion dtdpkqthe { @ codesqlexceptiontranslator } canalsobenullandthusnodtdpkqexceptiontranslationwillbedoneandmybatisexceptionswillbedtdpkqthrowndtdpkqdtdtdpkq @ paramsqlsqlsesesionesionioned utortypedtdpkq @ paramexceptiontranslatordtdpkq/publicsqlsessiontemplate (Zr dhb，zgdjr， 持久性扩展转换器(null ) sqlsessionfactory，' property ' sqlsessionfactory ' isrequirer nactory this.sqlsessionfactory=sqlsessionfactory； this.executorType=executorType； this.exception translator=exception translator； this.sqlsessionproxy=(SQL session ) newproxyinstance (sqlsessionfactory.class.getclass loader )，newclass[]{SQL} }
privateclassbhdzxcimplementsinvocationhandler { publicobjectinvoke (对象代理，方法方法， object [ ] args (throws throwable (sqlsessionsqlsession=getsql session ) sqlsessiontemplate.this.sqlsessionfactory，SQL if (！ issqlsessiontransactional (SQL session、sqlsessiontemplate.this.sqlsessionfactory ) (/forcecommitevenonnon-dirtysesession } catch (可移植t )可移植的取消wrapped=取消wrap可移植) t； if (sqlsessiontemplate.this.exception translator！=nullunwrappedinstanceofpersistenceexception (//releasetheconnectiontoavoidadeadlockifthetranslatorisnoloaded.see 22 SQL会话=null； throwable translated=sqlsessiontemplate.this.exception translator.translateexceptionifpossible (if )！=null}{unwrapped=translated； } } throw unwrapped； }finally{if(SQLsession！=null ) {closesqlsession(SQLsession，sqlsessiontemplate.this.sqlsessionfactory )； } }复制代码