聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽鎴戜滑涓涓悓浜嬪嫟瀛︼紝浣嗗鉤鏃跺緢灝戝拰澶у娌熼氾紝鏈夐棶棰樹篃鏄嚜宸遍椃澶磋嚜宸辨悶瀹氥?br />鏄ㄥぉ錛岄偅鍚屼簨紿佺劧闂搗鎴戝叧浜巋ibernate鏂歸潰鐨勯棶棰橈紝澶ф鏄嚜宸卞湪娼滃績鐨勫湪鐮旂┒鍚с?br />鍏跺疄錛屼竴鐩翠互鏉ユ垜閮芥兂甯﹀姩鎴戜滑鍥㈤槦錛屼篃鎶婂闈笘鐣岀殑涓浜涘ソ鐨勫紑婧愰」鐩紩鍏ュ埌欏圭洰
涓潵錛屼笉瑕佽劚紱籎AVA涓栫晫錛屼笉瑕佽鑷繁鍜屽闈㈠悓琛屽樊璺濆お澶э紝鐢變簬鏌愪簺鍘熷洜鎴戞病鏈夌粰
浠栦滑鍋氫竴浜涘惎闂ㄧ殑鍩硅銆傛棭孌墊椂闂達紝鎴戣礋璐ｇ殑涓涓皬欏圭洰灝遍噰鐢ㄤ簡struts+spring+hibernate
鐨勬妧鏈紝欏轟究緇欎粬浠仛涓浜涜瑙ｏ紝璇存槑浠栦滑鐨勫伐浣滃師鐞嗐傜幇鍦ㄦ暣涓」鐩熀鏈畬鎴愶紝鐩鎬俊浠栦滑
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聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽閭ｅ悓浜嬬敱浜庡hibernate涓嶇啛鎮夛紝鎸佷箙鍖栦竴涓璞★紝鏁翠釜榪囩▼娌℃湁鍑虹幇浠諱綍寮傚父錛屼絾灝?br />鏄病鏈夋妸鏁版嵁淇濆瓨鍒版暟鎹簱涓紝榪欏彲鐪熷彨閮侀椃鍛銆傛垜涔熶粠澶村埌灝炬鏌ヤ簡涓閬嶏紝涔熻繍琛屼簡浠ｇ爜錛?br />娌℃湁鍙戠幇浠涔堥棶棰樸傛垜灝濊瘯鎹曡幏鏇村鐨勪俊鎭紝鐒跺悗浠旂粏媯鏌ユ棩蹇椾俊鎭傜矖鐣ョ湅浜嗕竴涓嬫病鏈夊彂鐜?br />寮傚父錛岃繖鍙槸濂囨憖銆傜湅鍒癶ibernate涔熻緭鍑轟簡鎵鎵ц鐨凷Ql璇彞錛屼絾鐪嬫暟鎹簱琛ㄤ腑鍙堟病鏈夋暟鎹?br />蹇冮噷涔熷湪鍢鍜曪紝榪欏彲濂囨紝鎬簨鎯呭憖銆傚張浠庡ご鐪嬩簡涓閬嶆棩蹇楋紝紿佺劧鐪嬪埌hibernate緇戝畾鐨勬暟鎹簱
鏄?master鈥滐紝鏍規湰涓嶆槸紼嬪簭鎵浣跨敤鐨勬暟鎹簱錛屽埌"master"涓療鐪嬶紝鏋滅劧鏈夋暟鎹傞偅闂鍑哄湪閭ｅ憿錛?br />榪欒偗瀹氬嚭鍦ㄨ繛鎺ユ暟鎹簱鐨剈rl涓婁簡錛屾墦寮閰嶇疆鏂囦歡涓鐪嬶紝鍚屼簨鎶?databaseName"灝戝啓鎴愪簡"database"
榪欐牱sql Server涓嶈兘澶熻瘑鍒埌搴曟槸閭ｄ釜鏁版嵁搴擄紝鍙兘鐢ㄩ粯璁ょ殑鏁版嵁搴撲簡銆傝皽鍥㈠氨榪欐牱琚В闄や簡銆傦細錛?br />聽鍏舵錛屽悓浜嬫病鏈変粩緇嗙殑鐪媓ibernate鎸囧崡錛岃搗鐮佺殑澶у皬鍐欑殑闂閮芥病鏈夋敞鎰忥紝鎵浠ョ粡甯稿嚭闂錛?br />闅滅浜嗗涔犺繘搴︺備笉榪囷紝褰撲粬鎺屾彙浜唄ibernate鐨勫師鐞嗭紝涔熷氨鑳借交杞︾啛璺簡銆?br />聽
聽聽聽聽聽聽聽聽聽聽聽聽聽鎴戜滑涓嶈鍋氫漢榪樻槸鍋氫簨瑕佽鐪熺粏蹇冧弗绱э紝浜虹敓鐨勬暣涓繃紼嬮兘瑕佸幓瀹炶返錛屼綋楠岀敓媧匯?/p>
聽
]]>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽http://today.java.net/pub/a/today/2005/10/11/testing-hibernate-mapping.html?page=1
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1. Simple Association (one to one)
2. Simple Reference (many to one)
3. Basic Collection (one to many)
4. Collection (many to many)
5. Collection (raw data)
6. Top-level Collections
7. Map
8. Entity Map
9. Subclasses
10. Joined Subclasses
11. Components
12. Collections of Components
13. Composite Id
14. Composite Index
15. Ternary Associations
]]>
聽public聽int聽deleteBrands(Long[]聽delBrandId){
聽聽聽聽聽聽聽聽Session聽session聽=聽getSession();
聽聽聽聽聽聽聽聽聽Transaction聽tx聽=聽session.beginTransaction();
聽聽聽聽聽聽聽聽StringBuffer聽sql聽=聽new聽StringBuffer();
聽聽聽聽聽聽聽聽sql.append("delete聽Brand聽聽where聽brandId聽聽in聽(聽:brandId)聽");
聽聽聽聽聽聽聽 Query聽query聽=聽session.createQuery(sql.toString());
聽聽聽聽聽聽聽聽query.setParameterList("brandId",delBrandId);
聽聽聽聽聽聽聽聽int聽dels聽=聽query.executeUpdate();
聽聽聽聽聽聽聽聽tx.commit();
聽聽聽聽聽聽聽聽return聽dels;
聽聽聽聽}
聽聽聽聽聽聽聽聽Session聽session聽=聽getSession();
聽聽聽聽聽聽聽聽聽Transaction聽tx聽=聽session.beginTransaction();
聽聽聽聽聽聽聽聽StringBuffer聽sql聽=聽new聽StringBuffer();
聽聽聽聽聽聽聽聽sql.append("delete聽Brand聽聽where聽brandId聽聽in聽(聽:brandId)聽");
聽聽聽聽聽聽聽 Query聽query聽=聽session.createQuery(sql.toString());
聽聽聽聽聽聽聽聽query.setParameterList("brandId",delBrandId);
聽聽聽聽聽聽聽聽int聽dels聽=聽query.executeUpdate();
聽聽聽聽聽聽聽聽tx.commit();
聽聽聽聽聽聽聽聽return聽dels;
聽聽聽聽}
]]>
聽聽聽 1)getter()鏂規硶鍐欓敊浜?娌℃湁鎸夌収javaBean鐨勮鍒欏啓.
聽聽聽 2)*.hmb.xml涓殑灞炴у悕鍜宲ojo涓殑鏄惁涓鑷?娉ㄦ剰:灞炴у悕鏄惁澶氫簡絀烘牸.
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org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect
at org.dom4j.io.SAXReader.read(SAXReader.java:484)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:398)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:608)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:962)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:354)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:223)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:147)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:271)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:312)
at org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:134)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:230)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:156)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:48)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3692)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4127)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:910)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:873)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1118)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:680)
at org.apache.catalina.startup.Catalina.start(Catalina.java:540)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Nested exception:
java.net.ConnectException: Connection timed out: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at java.net.URL.openStream(Unknown Source)
at org.apache.xerces.impl.XMLEntityManager.startEntity(XMLEntityManager.java:807)
at org.apache.xerces.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:767)
at org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(XMLDTDScannerImpl.java:275)
at org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(XMLDocumentScannerImpl.java:841)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:329)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:525)
at org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:581)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1175)
at org.dom4j.io.SAXReader.read(SAXReader.java:465)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:398)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:608)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:962)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:354)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:223)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:147)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:271)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:312)
at org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:134)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:230)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:156)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:48)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3692)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4127)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:910)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:873)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1118)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:680)
at org.apache.catalina.startup.Catalina.start(Catalina.java:540)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
ERROR - ContextLoader.initWebApplicationContext(177) | Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext-hibernate.xml]: Initialization of bean failed; nested exception is org.hibernate.MappingException: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect
org.hibernate.MappingException: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:408)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:608)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:962)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:354)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:223)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:147)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:271)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:312)
at org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:134)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:230)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:156)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:48)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3692)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4127)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:910)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:873)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1118)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:680)
at org.apache.catalina.startup.Catalina.start(Catalina.java:540)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Caused by: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect
at org.dom4j.io.SAXReader.read(SAXReader.java:484)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:398)
... 35 more
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"-//Hibernate/Hibernate Mapping DTD 2.0//EN"
"鍙樹負:
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"鎵嬪伐鎶?.0鏀逛負2.0浜?
榪欐牱鎵嶅緱浠ユ妸闂瑙ｅ喅銆傝繖闂瀹炲湪鏄緢闅炬壘鍛銆?BR>鍦ㄤ互鍚庣殑寮鍙戣繃紼嬩腑錛屾妸鎵鏈夌幆澧冪粺涓璧鋒潵銆傚湪鍒殑鏈哄櫒(涓嶅悓鐜)涓婂嫻嬭瘯銆?BR>榪樻槸瑕佸瀹炶返錛屾妸鐞嗚鐭ヨ瘑涓庡疄璺佃仈緋昏搗鏉ャ?/P>
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鐢變簬鍦ㄦ搷浣滆繃紼嬩腑錛屼慨鏀逛簡鏌愪釜灞炴э紙瀛楁錛夛紝鍙互update鎴愬姛銆備絾鎴戝湪欏甸潰涓殑鍙︿竴涓睘鎬э紙瀹冩湁涓涓洖杞︽搷浣滃幓浠庢暟鎹簱鎷垮彟澶栫殑鏁版嵁鏉ユ洿鏂幫級涓慨鏀癸紝灝變細鍑虹幇娣誨姞涓涓柊鐨勮褰曘俉HY錛?nbsp;
銆銆鎴戜粩緇嗙湅浜嗕竴涓嬫棩蹇楋紝涓や釜涓嶅悓鐨勬搷浣渟ql鐪熶笉涓鏍鳳紝涓涓槸鐢╥nsert,鍙︿竴涓槸鐢╱pdate璇彞銆傚弽榪囨潵鐨勬兂浜嗘兂鏈夊叧pojo鐩哥瓑鐨勬瘮杈冨師鐞嗐?BR>銆銆鎴戜簬鏄湁浜嗗嚑涓兂娉曪紝鏉ユ祴璇曘?BR>銆銆1錛変袱涓璞＄殑姣旇緝錛坋quals錛夎鍒欑殑鍙兘鍑洪敊浜嗐?BR>銆銆銆銆鍦ㄦ垜璁板繂涓紝pojo瀵硅薄榛樿鐨別quals鏂規硶鏄敤涓婚敭鏉ヨ璇嗭紝涓や釜瀵硅薄鏄惁鐩哥瓑銆備互鍓嶆病鏈夐噸鍐檈qulas鏂規硶鍜宧ashCode鏂規硶銆傚浜庝笉鏄緢鐔熸倝hibernate鐨勬垜鏉ヨ錛岃繕鏄喅瀹氶噸鍐欒繖涓や釜鏂規硶銆傜紪璇戝畬錛岄噸鍚痶omcate錛岄棶棰樹緷鏃с?BR> 2) 鏄笉鏄垜鍦ㄦ寔涔呭眰璋冪敤鏂規硶鍑洪敊浜嗗憿錛?BR>銆銆銆浠旂粏鐪嬩簡涓涓媠aveOrUpdate()榪欎釜鏂規硶鐨勬枃妗ｃ俿aveOrUpdate鏂規硶鑳介氳繃鐜頒釜瀵硅薄鐨別quals鏂規硶鏉ュ尯鍒嗭紝鍒板簳鏄insert榪樻槸瑕乽pdate銆傜湅鏉ヨ繖涓簲璇ユ病鏈夐棶棰樸?BR>銆銆3錛夌粡榪囦笂闈袱姝ョ殑鎺ㄧ悊銆傞毦閬撴槸瑕佷慨鏀瑰璞＄殑鍏抽敭瀛楃殑鍊艱婕忔帀浜嗗悧錛?BR>銆銆銆鎴戣拷韙簡涓婚嵉鍊鹼紝鐢變簬涓婚敭鍊煎湪欏甸潰鏄湪涓涓殣钘忓煙銆傚綋鎿嶄綔鍑洪敊灞炴э紙瀹冩湁涓涓洖杞︽搷浣滃幓浠庢暟鎹簱鎷垮彟澶栫殑鏁版嵁鏉ユ洿鏂幫級榪斿洖鏃訛紝鏌ョ湅浜嗛〉闈㈢殑婧愪唬鐮侊紝鏋滅劧錛岄殣钘忓煙鐨勫間負絀恒傚師鏉ュ湪鎴戣繑鍥為〉闈㈡椂錛屽繕璁扮粰瀹冧繚瀛樺師鏉ョ殑鍊間簡銆?BR>銆銆緇忚繃涓鐣姌鑵撅紝緇堜簬鎼炲畾浜嗐傦細錛?BR>銆銆鍦ㄧ紪鐮佽繃紼嬩腑涓瀹氳浠旂粏錛屼弗璋紝騫蟲椂澶氭敞鎰忕悊璁虹煡璇嗙殑縐瘡錛岀悊璁鴻仈緋誨疄璺點?BR>銆銆銆
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銆銆銆[Duplicate key or integrity constraint violation message from server: "Duplicate entry 'rick0@foobar.com' for key 2"]; SQL was [] for task [Hibernate operation]
org.springframework.dao.DataIntegrityViolationException: Hibernate operation: Duplicate key or integrity constraint violation message from server: "Duplicate entry 'rick0@foobar.com' for key 2"; nested exception is java.sql.SQLException: Duplicate key or integrity constraint violation message from server: "Duplicate entry 'rick0@foobar.com' for key 2"
java.sql.SQLException: Duplicate key or integrity constraint violation message from server: "Duplicate entry 'rick0@foobar.com' for key 2"
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1997)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1167)
銆銆榪欎釜闂鎵句簡寰堜箙錛屾檿浜嗗緢涔咃紝緇堜簬鎵懼埌浜嗛棶棰樼殑鎵鍦ㄣ傚洜鎴戝湪瀹氫箟鏁版嵁琛ㄥ瓧孌墊椂鍔犱簡not null unique,鑰屾垜涓嬈℃坊鍔燦鏉¤褰曟椂鐨勫唴瀹逛竴鏍鳳紝涓婚敭鏄嚜鍔ㄧ敓鎴愮殑錛屾墍浠ュ嚭闂浜嗐?/P>
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榪樻湁涓涓被浼煎姛鑳界殑涓滀笢--middlegen.鎴戣寰楄繕鏄痟ibernatesynch濂界敤銆傚洜涓哄畠鏄彲瑙嗗寲鎿嶄綔錛屾柟渚垮揩鎹楓傚綋浣犵啛鎮変簡middlegen涔熶竴鏍瘋交鏉俱?/P>
娉ㄦ剰錛氬綋鍓嶉」鐩垱寤篶fg,mapping銆file鏃訛紝璇烽鍏堟妸鐩稿叧鐨刯ar鏂囦歡寮曞叆鍒版欏圭洰涓潵銆?/P>
import net.sf.hibernate.cfg.Configuration;import net.sf.hibernate.console.Start;import net.sf.hibernate.HibernateException;
public class Loader
{
public static void main(String[] args)throws HibernateException{
Configuration cfg = new Configuration().configure(); Start.startWith(cfg);
}
}]]>
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