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Spring 妗嗘灦鏄竴涓垎灞傛灦鏋勶紝鐢?7 涓畾涔夎壇濂界殑妯″潡緇勬垚銆係pring 妯″潡鏋勫緩鍦ㄦ牳蹇冨鍣ㄤ箣涓婏紝鏍稿績瀹瑰櫒瀹氫箟浜嗗垱寤恒侀厤緗拰綆＄悊 bean 鐨勬柟寮忥紝濡傚浘 1 鎵紺恒?/p>
鍥?1. Spring 妗嗘灦鐨?7 涓ā鍧?/b>
|聽聽 Spring 闈㈠悜鏂歸潰緙栫▼錛圓OP錛夊拰鎺у埗鍙嶈漿 錛圛OC錛?瀹瑰櫒
緇勬垚 Spring 妗嗘灦鐨勬瘡涓ā鍧楋紙鎴栫粍浠訛級閮藉彲浠ュ崟鐙瓨鍦紝鎴栬呬笌鍏朵粬涓涓垨澶氫釜妯″潡鑱斿悎瀹炵幇銆傛瘡涓ā鍧楃殑鍔熻兘濡備笅錛?
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鏍稿績瀹瑰櫒錛氭牳蹇冨鍣ㄦ彁渚?Spring 妗嗘灦鐨勫熀鏈姛鑳姐傛牳蹇冨鍣ㄧ殑涓昏緇勪歡鏄?
BeanFactory錛屽畠鏄伐鍘傛ā寮忕殑瀹炵幇銆?font color="#0000ff">BeanFactory浣跨敤鎺у埗鍙嶈漿 錛圛OC錛?妯″紡灝嗗簲鐢ㄧ▼搴忕殑閰嶇疆鍜屼緷璧栨ц鑼冧笌瀹為檯鐨勫簲鐢ㄧ▼搴忎唬鐮佸垎寮銆? - Spring 涓婁笅鏂?/b>錛?font color="#ff0066">Spring 涓婁笅鏂囨槸涓涓厤緗枃浠訛紝鍚?Spring 妗嗘灦鎻愪緵涓婁笅鏂囦俊鎭係pring 涓婁笅鏂囧寘鎷紒涓氭湇鍔★紝渚嬪 JNDI銆丒JB銆佺數瀛愰偖浠躲佸浗闄呭寲銆佹牎楠屽拰璋冨害鍔熻兘銆?/strong>
- Spring AOP錛氶氳繃閰嶇疆綆＄悊鐗規э紝Spring AOP 妯″潡鐩存帴灝嗛潰鍚戞柟闈㈢殑緙栫▼鍔熻兘闆嗘垚鍒頒簡 Spring 妗嗘灦涓傛墍浠ワ紝鍙互寰堝鏄撳湴浣?Spring 妗嗘灦綆＄悊鐨勪換浣曞璞℃敮鎸?AOP銆係pring AOP 妯″潡涓哄熀浜?Spring 鐨勫簲鐢ㄧ▼搴忎腑鐨勫璞℃彁渚涗簡浜嬪姟綆＄悊鏈嶅姟銆傞氳繃浣跨敤 Spring AOP錛屼笉鐢ㄤ緷璧?EJB 緇勪歡錛屽氨鍙互灝嗗０鏄庢т簨鍔＄鐞嗛泦鎴愬埌搴旂敤紼嬪簭涓?
- Spring DAO錛欽DBC DAO 鎶借薄灞傛彁渚涗簡鏈夋剰涔夌殑寮傚父灞傛緇撴瀯錛屽彲鐢ㄨ緇撴瀯鏉ョ鐞嗗紓甯稿鐞嗗拰涓嶅悓鏁版嵁搴撲緵搴斿晢鎶涘嚭鐨勯敊璇秷鎭傚紓甯稿眰嬈＄粨鏋勭畝鍖栦簡閿欒澶勭悊錛屽茍涓旀瀬澶у湴闄嶄綆浜嗛渶瑕佺紪鍐欑殑寮傚父浠ｇ爜鏁伴噺錛堜緥濡傛墦寮鍜屽叧闂繛鎺ワ級銆係pring DAO 鐨勯潰鍚?JDBC 鐨勫紓甯擱伒浠庨氱敤鐨?DAO 寮傚父灞傛緇撴瀯銆?
- Spring ORM錛歋pring 妗嗘灦鎻掑叆浜嗚嫢騫蹭釜 ORM 妗嗘灦錛屼粠鑰屾彁渚涗簡 ORM 鐨勫璞″叧緋誨伐鍏鳳紝鍏朵腑鍖呮嫭 JDO銆丠ibernate 鍜?iBatis SQL Map銆傛墍鏈夎繖浜涢兘閬典粠 Spring 鐨勯氱敤浜嬪姟鍜?DAO 寮傚父灞傛緇撴瀯銆?
- Spring Web 妯″潡錛歐eb 涓婁笅鏂囨ā鍧楀緩绔嬪湪搴旂敤紼嬪簭涓婁笅鏂囨ā鍧椾箣涓婏紝涓哄熀浜?Web 鐨勫簲鐢ㄧ▼搴忔彁渚涗簡涓婁笅鏂囥傛墍浠ワ紝Spring 妗嗘灦鏀寔涓?Jakarta Struts 鐨勯泦鎴愩俉eb 妯″潡榪樼畝鍖栦簡澶勭悊澶氶儴鍒嗚姹備互鍙婂皢璇鋒眰鍙傛暟緇戝畾鍒板煙瀵硅薄鐨勫伐浣溿?
- Spring MVC 妗嗘灦錛歁VC 妗嗘灦鏄竴涓叏鍔熻兘鐨勬瀯寤?Web 搴旂敤紼嬪簭鐨?MVC 瀹炵幇銆傞氳繃絳栫暐鎺ュ彛錛孧VC 妗嗘灦鍙樻垚涓洪珮搴﹀彲閰嶇疆鐨勶紝MVC 瀹圭撼浜嗗ぇ閲忚鍥炬妧鏈紝鍏朵腑鍖呮嫭 JSP銆乂elocity銆乀iles銆乮Text 鍜?POI銆?
Spring 妗嗘灦鐨勫姛鑳藉彲浠ョ敤鍦ㄤ換浣?J2EE 鏈嶅姟鍣ㄤ腑錛屽ぇ澶氭暟鍔熻兘涔熼傜敤浜庝笉鍙楃鐞嗙殑鐜銆係pring 鐨勬牳蹇冭鐐規槸錛氭敮鎸佷笉緇戝畾鍒扮壒瀹?J2EE 鏈嶅姟鐨勫彲閲嶇敤涓氬姟鍜屾暟鎹闂璞°傛鏃犵枒闂紝榪欐牱鐨勫璞″彲浠ュ湪涓嶅悓 J2EE 鐜 錛圵eb 鎴?EJB錛夈佺嫭绔嬪簲鐢ㄧ▼搴忋佹祴璇曠幆澧冧箣闂撮噸鐢ㄣ?
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銆浠ｇ⒓:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING/DTD BEAN/EN""http://www.springframework.org/dtd/spring-beans.dtd"> <beans> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName"> <value>com.mysql.jdbc.Driver</value> </property> <property name="url"> <value>jdbc:mysql://localhost:3306/TestDB</value> </property> <property name="username"> <value>caterpillar</value> </property> <property name="password"> <value>123456</value> </property> </bean> <bean id="sessionFactory" class="org.springframework.orm.hibernate.LocalSessionFactoryBean" destroy-method="close"> <property name="dataSource"> <ref bean="dataSource"/> </property> <property name="mappingResources"> <list> <value>User.hbm.xml</value> </list> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect"> net.sf.hibernate.dialect.MySQLDialect </prop> <prop key="hibernate.show_sql"> true </prop> </props> </property> </bean> <bean id="userDAO" class="onlyfun.caterpillar.UserDAO"> <property name="sessionFactory"> <ref bean="sessionFactory"/> </property> </bean> </beans>
銆銆鍦ㄩ欓倞UserDAO灝囩辜鎵胯嚜HibernateDaoSupport欏炲垾錛岄欏彲浠ュ公鎴戝戠渷鍘諱竴浜涚鐞唖essionFactory銆乭ibernateTemplate璩囨簮鐨勫伐浣滐紝鎴戝戝彧瑕佹敞鍏essionFactory灝卞ソ浜嗭紝鎴戝戠殑DAO璦▓濡備笅錛?
銆浠ｇ⒓:
UserDAO.java
package onlyfun.caterpillar; import net.sf.hibernate.*; import org.springframework.orm.hibernate.*; import org.springframework.orm.hibernate.support.*; public class UserDAO extends HibernateDaoSupport { public void insertUser(final User user) { getHibernateTemplate().execute(new HibernateCallback() { publicObject doInHibernate(Session session) throws HibernateException { session.saveOrUpdate(user); returnnull; } }); } }
銆銆鍙娉ㄥ叆sessionFactory錛屼箣寰岃鐢╣etHibernateTemplate()灝卞彲浠ュ彇寰桯ibernateTemplate鐨勫渚嬶紝鎴戝戝埄鐢╟allback鏂規硶錛屽浣淗ibernateCallback浠嬮潰錛屽湪doInHibernate()涓茶瀛樺劜鎿嶄綔銆?
銆銆灝嶆柤綈″柈鐨勫瓨鍎叉搷浣滐紝鎴戝戠敋鑷沖彲浠ョ洿鎺ヤ嬌鐢℉ibernateTemplate鎵鎻愪緵鐨刦ind()銆乴oad()銆乻aveOrUpdate()銆乨elete()絳夋柟娉曪紝鑰屼笉鐢ㄤ嬌鐢╟allback錛屼緥濡傦細
銆浠ｇ⒓:
UserDAO.java
package onlyfun.caterpillar; import org.springframework.orm.hibernate.support.*; public class UserDAO extends HibernateDaoSupport { public void insertUser(User user) { getHibernateTemplate().saveOrUpdate(user); } }
銆銆涓嶇敤鎳風枒錛岀▼寮忓氨鏄姝ょ啊鍠紝鎵鏈夌殑绱扮瘈閮借灝佽璧蜂締浜嗐?
銆銆HibernateTemplate涓彧鑳戒笩鍑簎nckecked渚嬪錛屽鏋滈渶瑕佽檿鐞哻hecked渚嬪錛屽墖鎮ㄥ彲浠ヤ嬌鐢ˋOP Interceptor渚嗗彇浠ibernateTemplate錛屽緸鑰屽彇浠allback鏂規硶錛屽湪鍙冭冩墜鍐婁腑鏈変粙绱瑰浣曢厤緗紝閫欓倞瑜囪＝閬庝締浠ヤ究鍙冭冿細
銆浠ｇ⒓:
....
<bean id="myHibernateInterceptor"
class="org.springframework.orm.hibernate.HibernateInterceptor">
<property name="sessionFactory">
<ref bean="mySessionFactory"/>
</property>
</bean>
<bean id="myProductDaoTarget" class="product.ProductDaoImpl">
<property name="sessionFactory">
<ref bean="mySessionFactory"/>
</property>
</bean>
<bean id="myProductDao" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="proxyInterfaces">
<value>product.ProductDao</value>
</property>
<property name="interceptorNames">
<list>
<value>myHibernateInterceptor</value>
<value>myProductDaoTarget</value>
</list>
</property>
</bean>
....銆浠ｇ⒓:
ProductDaoImpl.java
public class ProductDaoImpl extends HibernateDaoSupport implements ProductDao { public List loadProductsByCategory(finalString category) throws MyException { Session session = SessionFactoryUtils.getSession(getSessionFactory(), false); try { List result = session.find( "from test.Product product where product.category=?", category, Hibernate.STRING); if (result == null) { thrownew MyException("invalid search result"); } return result; } catch (HibernateException ex) { throw SessionFactoryUtils.convertHibernateAccessException(ex); } } }
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