spring2.5 学习笔记

8/4/2019 spring2.5

1/46

Spring SSH ---wjt276

[2010-05-14]

8/4/2019 spring2.5

2/46

spring2.5 2 46

............................................................................................................................................. 2

.................................................................................................................... 4

Jdom ............................................................................................................... 4

Spring ............................................................................................................... 5

sping ....................................................................................................... 8

.................................................................................................................... 8

spring ............................................................................................................ 8

spring jar ................................................................................................................ 8

.............................................................................................................................. 8

.................................................................................................................... 8

IOC(DI)............................................................................................................ 9

IOCDI....................................................................................................................... 9

xml ...................................................................................................... 9(Injecting dependencies) ......................................................................................... 9

setter Setter Injection ..................................................................................... 10

Constructor Injection ...................................................................................... 10

idname ............................................................................................................................ 11

..................................................................................................................... 12

Bean scope ......................................................................................................... 12

............................................................................................................................... 12

autowire ................................................................................................................ 13

byName ........................................................................................................................ 13

byType .......................................................................................................................... 15

............................................................................................................................... 15

............................................................................................................................... 15

lazy-init/default-lazy-init ............................................................................................... 15

init-method destroy-method prototype ....................................... 15

annotation Spring .................................................................................................. 16

annotation Spring ........................................................................................... 16

@Autowired@Qualifier .................................................................................................... 16

@Autowired .................................................................................................................. 16

@Qualifier .................................................................................................................... 17@Resource() ....................................................................................................... 17

JSR-250 ......................................................................................................................... 17

@Resource ................................................................................................................... 18

@Componet ........................................................................................................................ 18

@Scope@PostConstruct@PreDestroy .......................................................................... 19

jar ................................................................................................................... 19

AOP() ......................................................................................................... 20

AOP .............................................................................................................................. 20

............................................................................................... 20

Spring AOP ...................................................................................................... 22

AOP annotation ..................................................................................................... 22

annotation ............................................................................................... 22

aspectJ ................................................................................................................... 22

8/4/2019 spring2.5

3/46

spring2.5 3 46

AOP annotation .................................................................................................. 22

AspectJ ......................................................................................................... 23

..................................................................................................................... 23

Advice .......................................................................................................................... 24

Pointcut ........................................................................................................................ 26

annotatin AOP ............................................................................................. 26

AOP

xml

................................................................................................................ 27AOP ........................................................................................................... 28

DataSource ................................................................................................................... 28

Sping ............................................................................................................... 28

............................................................................................................................... 29

dbcp.BasicDataSource ........................................................................................................ 29

Spring Hiberante3 .................................................................................................... 30

Spring hibernate3 SessionFactory ............................................................................ 30

xml SessionFactory ............................................................................................. 30

annotation SessionFactory ........................................................................... 30

hibernate jar ............................................................................................. 31 jar .......................................................................................................................... 31

annotation jar .......................................................................................... 31

DDL jar ........................................................................... 31

Spring hibernate3 ................................................................................................. 31

Annotation ................................................................................... 32

Spring ............................................................................................................. 36

XML Spring .................................................................................. 37

HibernateTemplate ............................................................................................................. 38

HibernateTemplate ....................................................................................................... 38

HibernateDaoSupport .................................................................................................. 39

Spring -SSH ......................................................................................................... 40

jar ( jar ) ..................................................................................... 41

Spring + Hibernate .................................................................................. 41

Struts2 ...................................................................................................... 41

struts .................................................................................................................. 43

DTOVO ................................................................................................................... 43

DTO ..................................................................................................................................... 43

VO ....................................................................................................................................... 43

SSH ..................................................................................................... 43Jsp Session Session ............................................................................... 43

openSessionView......................................................................... 44

..................................................................................................................... 44

SSH jar ......................................................................................................... 45

Struts2 ................................................................................................................................ 45

Hibernate3.3.2 .................................................................................................................... 45

Spring ................................................................................................................................. 46

8/4/2019 spring2.5

4/46

spring2.5 4 46

Userpublicclass User {

private String username;

private String password;

public String getUsername() { returnusername; }

publicvoidsetUsername(String username) {this.username = username;}

public String getPassword() {returnpassword; }

publicvoidsetPassword(String password) {

this.password = password;

}}

UserDao

publicinterface UserDao {

publicvoidsave(User u);

}

UserDao UserDaoImpl

publicclass UserDaoImpl implements UserDao {

@Override

publicvoidsave(User u) {

System.out.println("user save...");

}}

User

publicclass UserService {

//newnew

private UserDao userDao = new UserDaoImpl();

public UserDao getUserDao() {returnuserDao;}

publicvoidsetUserDao(UserDao userDao) { this.userDao = userDao; }

publicvoidadd(User u){

userDao.save(u);}//UserDaosave

}

Jdom test.xml

8G

8/4/2019 spring2.5

5/46

spring2.5 5 46

200

1580

10G

500

3000

publicclass Sample1 {

publicstaticvoidmain(String[] args) throws Exception{

SAXBuilder sb=new SAXBuilder();//SAXBuilder

Document doc=

sb.build(Sample1.class.getClassLoader().getResourceAsStream( "test.xml"));

//

Element root=doc.getRootElement(); //

List list=root.getChildren("disk");//disk

for(int i=0;i

8/4/2019 spring2.5

6/46

spring2.5 6 46

private Map beans = new HashMap();

public ClassPathXmlApplicationContext() throws Exception{

SAXBuilder sb=new SAXBuilder();//SAXBuilder

Document

doc=sb.build(ClassPathXmlApplicationContext.class.getClassLoader().getResourceAsStream("b

eans.xml")); //

Element root=doc.getRootElement(); // //System.out.println(root.getName());

List list=root.getChildren("bean");//disk

for(int i=0;i

8/4/2019 spring2.5

7/46

spring2.5 7 46

String clazz = element.getAttributeValue("class");

System.out.println(id + ":" + clazz);

Object o = Class.forName(clazz).newInstance();

beans.put(id, o);

//* forspring()

//beanproperty for (Element propertyElement : (List)element.getChildren("property")){

//property name()

String name = propertyElement.getAttributeValue("name");

//property bean (),beanbean

ID

String bean = propertyElement.getAttributeValue("bean");

//IDbean

Object beanObject = beans.get(bean);

//setset + +

String methodName = "set" + name.substring(0,1).toUpperCase() +

name.substring(1);

System.out.println("methodName = " + methodName);

//beanset()

Method m = o.getClass().getMethod(methodName,

beanObject.getClass().getInterfaces()[0]);

//method

m.invoke(o, beanObject);

}

}

}

public Object getBean(String name){

returnbeans.get(name);

}

}

()

2

publicvoidtestAdd_3() throws Exception {

BeanFactory factory = new ClassPathXmlApplicationContext();

UserService service = (UserService)factory.getBean("userService");

//

//UserDao userDao = (UserDao)factory.getBean("u");

//service.setUserDao(userDao);

User u = new User();

service.add(u);

}

BeanFactory

publicinterface BeanFactory {

8/4/2019 spring2.5

8/46

spring2.5 8 46

public Object getBean(String name);

}

sping

a)

b) bean

spring

spring

spring jar

User Library

spring spring.jar commons-logging.jar


BeanFactory factory = new ClassPathXmlApplicationContext( "beans.xml");



service.add(u);

}

ClassPathXmlApplicationContextBeanFactoryspring

import org.springframework.beans.factory.BeanFactory;

import org.springframework.context.support.ClassPathXmlApplicationContext;

ClassPathXmlApplicationContextApplicationContextApplicationContext

BeanFactoryBeanFactoryApplicationContext

8/4/2019 spring2.5

9/46

spring2.5 9 46

1BeanFactory:Beanbean

2ApplicationContextbean(bean

)

publicvoidtestAdd_3() throws Exception {ApplicationContext factory = new

ClassPathXmlApplicationContext( "beans.xml");



service.add(u);

}

IOC(DI)

IOCDI

IOC:Inversion of Control(UserServiceuserDao)(UserService)(UserService)(Spring)

Spring

springg()

bean

bean()

DI:Dependency Injection (UserServiceuserDao) Spring

.

DIIOC

xml

1 window preferences myeclipse Files and Editing - xml xml catalog

2 add

i. Location:D:\share\0900_Spring\soft\spring-framework-2.5.6\dist\resources\spring-beans-2.5.xsd

ii. URI: file:///D:/share/0900_Spring/soft/spring-framework-2.5.6/dist/resources/spring-

beans-2.5.xsd

iii. Key Type: Schema Location

iv. Key: http://www.springframework.org/schema/beans/spring-beans-2.5.xsd

(Injecting dependencies)

1setter()2()

3 ()

8/4/2019 spring2.5

10/46

spring2.5 10 46

setter Setter Injection

beansetXXX

beansetXXX



public UserDao getUserDao() {

returnuserDao;}

publicvoidsetUserDao(UserDao userDao) {

this.userDao = userDao;

}

publicvoidadd(User u){ userDao.save(u);}

}

spring

Constructor Injection

bean



public UserService(UserDao userDao) {

super();


}


publicvoidsetUserDao(UserDao userDao) { this.userDao = userDao;}


}

spring

8/4/2019 spring2.5

11/46

spring2.5 11 46

newbean

newbean,

-->

bean

publicclass ExampleBean {

privateintyears;

private String ultimateAnswer;

public ExampleBean(int years, String ultimateAnswer) {

this.years = years;

this.ultimateAnswer = ultimateAnswer;

}

}

1

xml

int 7500000, java.lang.String 42,

2

xml

index=0 index=1

setter

idname

xml

idname

idname

8/4/2019 spring2.5

12/46

spring2.5 12 46

bean

bean


privateintdaoId;

private String daoStatus;publicint getDaoId() {returndaoId;}

publicvoidsetDaoId(int daoId) {this.daoId = daoId; }

public String getDaoStatus() { returndaoStatus; }

publicvoidsetDaoStatus(String daoStatus) {this.daoStatus = daoStatus;}

@Override

publicvoidsave(User u) {System.out.println("user save...");}

}

xml

good

value

Bean scope

Springbeanscope

scope

1 singletonbeanbean

2prototypebeanbean

3 request

4 session

5 globalsession

springwebrequest/session/globalsession

scope(strutsscope)

[email protected]

8/4/2019 spring2.5

13/46

spring2.5 13 46

[email protected]

[email protected]

a list element followed by a reference

an entry

just some string

a ref

just some string

autowire

beanbeanspringautowire

autowire

1 autodetect;

2byName:bean

3byTypebean

4 constaractor

5defaultdefault-autowire

6 no(bean)

byNamebean

bean

UserDaoImpl

8/4/2019 spring2.5

14/46

spring2.5 14 46


privateintdaoId;

publicint getDaoId() {returndaoId;}

publicvoidsetDaoId(int daoId) {this.daoId = daoId; }

@Override

public String toString(){

return"daoId=" + this.daoId;}}

UserService



public UserDao getUserDao() {

returnuserDao;

}



}


userDao.save(u);

}}

spring

publicvoidtestAdd_4() throws Exception {ApplicationContext factory = new



System.out.println(service.getUserDao());

}

daoId=1

UserDaoImpl(userDaouserDao2)UserService

userServicebeanautowirebyName

springautowire=byNamebeaniduserService

8/4/2019 spring2.5

15/46

spring2.5 15 46

byType

springuserService

1

2 anntation

3 byType

lazy-init/default-lazy-init

()

bean

lazy-initdefaultdefault-lazy-init

true:contextbean

falsecontextbean

init-method destroy-method prototype

init-methodbean

destroy-method:bean

scpoe=prototype

userService

publicclass UserService {publicvoidinit(){

System.out.println("UserService");

}

8/4/2019 spring2.5

16/46

spring2.5 16 46


public UserDao getUserDao() {returnuserDao; }

publicvoidsetUserDao(UserDao userDao) {this.userDao = userDao;}


publicvoiddestroy(){System.out.println("destory"); }

}


ClassPathXmlApplicationContext factory = new



System.out.println(service.getUserDao());

//webApplacationContextdestorydestory

//ApplicationContextdestorydestory

factory.destroy();

}

annotation Spring

annotation Spring

spring xml

spring

annotation

1AutowiredAnnotationBeanPostProcessor,

2CommonAnnotationBeanPostProcessor,

3PersistenceAnnotationBeanPostProcessor,

4RequiredAnnotationBeanPostProcessor

@Autowired@Qualifier

xml bean

@Autowired

getter setter setter

( byType )

8/4/2019 spring2.5

17/46

spring2.5 17 46

xmp

userService

publicclass UserService {private UserDao userDao = new UserDaoImpl();


//(byType)

//annotationsetter

@Autowired



}


userDao.save(u);

}}

spring(byType)

@Qualifier

@AutowiredbyTypebeanSpring

beanbean

Springbean@Qualifier, @Qualifiervalue

bean



public UserDao getUserDao() {returnuserDao;

}

//(byType)

//bean@Qualifierbean

@Autowired

publicvoidsetUserDao(@Qualifier(value="u") UserDao userDao) {


}


}

@Resource()

xml bean

JSR-250

JCP:Java Community Process J2EE Java

JSR

8/4/2019 spring2.5

18/46

spring2.5 18 46

JSR JSRJSR

@Resource

import javax.annotation.Resource;



public UserDao getUserDao() {returnuserDao;

}

//setter(userDao)

//@ResourceJ2EE(import javax.annotation.Resource)

@Resource



}

publicvoidadd(User u){userDao.save(u);}

}

setter(userDao)

@ResourceJ2EE(import javax.annotation.Resource)

@ResourcebyNamebyTypebeanname

@Resource(name="u2")



}

@Resource@Autowired

annotation xml

@Componet

@Autowired@Resource xml bean annotation

@Component bean bean

@Componet xml bean

@ComponetSpring(org.springframework.stereotype.Component;)

bean @Componet@Service@Repository@Controller bean


import org.springframework.stereotype.Component;

// @Componetbean

// valuebean

@Component(value="userService")

8/4/2019 spring2.5

19/46

spring2.5 19 46




//setter(userDao)


@Resource

publicvoidsetUserDao(UserDao userDao) {this.userDao = userDao;}publicvoidadd(User u){userDao.save(u);}}

@Componetbeanvaluebeanannotation

value

@Componet

Spring

base-package @Componet

Springbean

@Scope@PostConstruct@PreDestroy

@Scopexmlscope

@PostConstructxmlinit-method

@PreDestroyxmldestroy-method

import javax.annotation.PostConstruct;

import javax.annotation.PreDestroy;


import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Component;


@Scope("singleton")


@PostConstruct

publicvoidinit(){System.out.println("UserService");}



@Resource



@PreDestroy

publicvoiddestroy(){System.out.println("destory"); }

jar

1@Autowired org.springframework.beans.factory.annotation.Autowired;

2@Qualifier org.springframework.beans.factory.annotation.Qualifier;3@Componet org.springframework.stereotype.Component;

4@Resource javax.annotation.Resource;

5@Scope org.springframework.context.annotation.Scope;

8/4/2019 spring2.5

20/46

spring2.5 20 46

[email protected];

7@PreDestroy javax.annotation.PreDestroy;

AOP()

AOP

AOPAspect Oriented Programming()

1

2

3()

UserDao

publicinterface UserDao {

publicvoidsave(User u);

publicvoiddelete(User u);

}

UserDaoImpl(UserDao)


@Overridepublicvoidsave(User u) {System.out.println("user save...");}

@Override

publicvoiddelete(User u) {System.out.println("user delete...");}

}

UserService()






publicvoiddelete(User u){userDao.delete(u);}

}

User()

publicclass User {

private String username;

private String password;

public String getUsername() {returnusername; }

publicvoidsetUsername(String username) {this.username = username;}

public String getPassword() {returnpassword; }

publicvoidsetPassword(String password) {this.password = password;}

8/4/2019 spring2.5

21/46

spring2.5 21 46

}

Spring

( InvocationHandler)

InvocationHandler

publicclass LogIntroduction implements InvocationHandler {

private Object tergert;

public LogIntroduction(UserDao userDao) {this.tergert = userDao;}

//feforeMethod

publicvoidbeforeMethod(){System.out.println("beforMethod");}

@Override

public Object invoke(Object arg0, Method m, Object[] arg)

throws Throwable {

this.beforeMethod();

m.invoke(tergert, arg);

returnnull;

}}


ClassPathXmlApplicationContext factory = new ClassPathXmlApplicationContext();


UserDao userDao = (UserDao)factory.getBean("u");

LogIntroduction li = new LogIntroduction(userDao);

UserDao userDaoProxy

=(UserDao)Proxy.newProxyInstance(userDao.getClass().getClassLoader(), new Class[]

{UserDao.class}, li);User u = new User();

service.setUserDao(userDaoProxy);

service.add(u);

service.delete(u);}

beforMethod

user save...

beforMethod

user delete...

JAVA

8/4/2019 spring2.5

22/46

spring2.5 22 46

Spring AOP Spring

1 xml

2annotation ( AspectJ )

AOP annotation

annotation

:@AspectJ

Springaopxsd()

aspectJjar

aspectjweaver.jar

aspectjrt.jar

aspectJ

AspectJ (AOP )

AspectJ

Spring

AOP annotation

save()

1 spring

2 modeldaoservice

3 (LogInterceptor)

import org.aspectj.lang.annotation.Aspect;

import org.aspectj.lang.annotation.Before;


@Aspect

@Component

publicclass LogInterceptor {

@Before("execution(public void
http://www.springframework.org/schema/aop/spring-aop-2.5.xsdhttp://www.springframework.org/schema/aop/spring-aop-2.5.xsd

8/4/2019 spring2.5

23/46

spring2.5 23 46

com.wjt276.dao.impl.UserDaoImpl.save(com.wjt276.model.User))" )

publicvoidbefore(){

System.out.println("method start...");

}

}

public void

com.wjt276.dao.impl.UserDaoImpl.save(com.wjt276.model.User)

1@Aspect

2@ComponetSpring

Spring

3@Befoe(Advice)

4execution:

AspectJ

1JoinPoint

()

2PointCut

@Pointcut("execution(* com.xyz.someapp.service.*.*(..))")

public void businessService() {}

3Aspect

4Advice

@Before

5Target

6Weave

1 com.wjt276.dao.impl.UserDaoImpl.save User

execution(public void com.wjt276.dao.impl.UserDaoImpl.save(com.wjt276.model.User))

2

execution(public * *(..))

3 set

( )

8/4/2019 spring2.5

24/46

spring2.5 24 46

execution(* set*(..))

4 com.xyz.service.AccountService

execution(* com.xyz.service.AccountService.*(..))

5 com.xyz.service

execution(* com.xyz.service.*.*(..))

6 com.xyz.service(..)

execution(* com.xyz.service..*.*(..))

7 void !void( void)

execution(public void com.xyz.service..*.*(..))

execution(public !void com.xyz.service..*.*(..))

AspectJSpring AOP,

within(com.xyz.service.*)

within(com.xyz.service..*)

this(com.xyz.service.AccountService)

target(com.xyz.service.AccountService)

args(java.io.Serializable)

@target(org.springframework.transaction.annotation.Transactional)

@within(org.springframework.transaction.annotation.Transactional)

@annotation(org.springframework.transaction.annotation.Transactional)

@args(com.xyz.security.Classified)

bean(tradeService)

bean(*Service)

Advice

@Before

@Aspect

public class BeforeExample {

@Before("com.xyz.myapp.SystemArchitecture.dataAccessOperation()")

8/4/2019 spring2.5

25/46

spring2.5 25 46

public void doAccessCheck() { // ... }}

@Aspect

public class BeforeExample {

@Before("execution(* com.xyz.myapp.dao.*.*(..))")


@ AfterReturning

@Aspect

public class AfterReturningExample {

@AfterReturning("com.xyz.myapp.SystemArchitecture.dataAccessOperation()")


@Aspect

public class AfterReturningExample {

@AfterReturning(

pointcut="com.xyz.myapp.SystemArchitecture.dataAccessOperation()",

returning="retVal")

public void doAccessCheck(Object retVal) { // ... }}

@ AfterThrowing

@Aspect

public class AfterThrowingExample {@AfterThrowing("com.xyz.myapp.SystemArchitecture.dataAccessOperation()")

public void doRecoveryActions() { // ... }}

@Aspect

public class AfterThrowingExample {

@AfterThrowing(

pointcut="com.xyz.myapp.SystemArchitecture.dataAccessOperation()",

throwing="ex")

public void doRecoveryActions(DataAccessException ex) { // ... }}

@After (finally)

catch( finally )

@Aspect

public class AfterFinallyExample {

@After("com.xyz.myapp.SystemArchitecture.dataAccessOperation()")

public void doReleaseLock() { // ... }}

@ Around

ProceedingJoinPoint Object retVal = pjp.proceed();

return retVal;

8/4/2019 spring2.5

26/46

spring2.5 26 46

@Aspect

public class AroundExample {

@Around("com.xyz.myapp.SystemArchitecture.businessService()")

public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable {

// start stopwatch

Object retVal = pjp.proceed();

// stop stopwatchreturn retVal; }}

Pointcut

Advice

@Aspect

@Component


@Pointcut("execution(public * com.wjt276.dao..*.*(..))")

publicvoidmyMethod(){};

@Before(value="myMethod()")

publicvoidbefore(){


}

@AfterReturning("myMethod()")

publicvoidafterReturning(){

System.out.println("method after returning...");

}}

Pointcut

annotatin AOP

import org.aspectj.lang.ProceedingJoinPoint;

import org.aspectj.lang.annotation.AfterReturning;

import org.aspectj.lang.annotation.Around;

import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Before;

import org.aspectj.lang.annotation.Pointcut;


@Aspect

@Component


@Pointcut("execution(public * com.wjt276.dao..*.*(..))")

publicvoidmyMethod(){};

@Before(value="myMethod()")

publicvoidbefore(){

8/4/2019 spring2.5

27/46

spring2.5 27 46


}

@AfterReturning("myMethod()")

publicvoidafterReturning(){

System.out.println("method after returning...");

}

@Around(value="myMethod()")

publicvoidaround(ProceedingJoinPoint pjp) throws Throwable{

//@aroundProceedingJoinPoint

System.out.println("method around start...");

//Throwable

pjp.proceed();

System.out.println("method around end...");

}

}

AOP xml

xml

annotation annotation xml

xml

xml annotation

8/4/2019 spring2.5

28/46

spring2.5 28 46

AOP

Spring AOP()

1 Spring JDK

2 Spring CGLIB (

JDK) CGLIB

DataSourceDataSource javax.sql.DataSource

DataSource

Sping

Planceholder()

8/4/2019 spring2.5

29/46

spring2.5 29 46

${jdbc.driverClassName}:jdbc.driverClassName

-->

classpath:jdbc.properties

jdbc.properties

jdbc.driverClassName=com.mysql.jdbc.Driver

jdbc.url=jdbc:mysql://localhost:3306/spring

jdbc.username=root

jdbc.password=root

bean (Spring )@Component("userDaoImpl")


private DataSource dataSource;

public DataSource getDataSource() {returndataSource;}

@Resource(name="dataSource")

publicvoidsetDataSource(DataSource dataSource) {

this.dataSource = dataSource;}

@Override


try {

Connection conn = dataSource.getConnection();

conn.createStatement().executeUpdate("insert into user values (null,'wjt276')");

conn.close();

} catch (SQLException e) { e.printStackTrace();}System.out.println("user save...");

}}

dbcp.BasicDataSource

1 #

initialSize=10

2 #

maxIdle=20

3 #

8/4/2019 spring2.5

30/46

spring2.5 30 46

minIdle=5

4 #

maxActive=50

5 #

logAbandoned=true

6 #

removeAbandoned=true

7 #()

removeAbandonedTimeout=180

8 #

maxWait=1000

Spring Hiberante3Spring hibernate3 SessionFactory bean, Spring

Spring hibernate3 SessionFactory xml annotation bean

(xmlmappingResourcesannotationannotatedClasses)

xml SessionFactory

User.hbm.xml

org.hibernate.dialect.MysqlDialect

true

true

annotation SessionFactory

8/4/2019 spring2.5

31/46

spring2.5 31 46

com.wjt276.model.User

org.hibernate.dialect.MySQLDialect true

true

SessionFactory bean dataSource bean

dao dataSource

SessionFactory

annotation SessionFactory

annotatedPackages

com.wjt276.model

annotatedClassess

hibernate jar

jar

1 Hibernate core

2 /lib/required

3 Slf-nop jar

mysql JDBC

annotation jar

4 Hibernate annotation jar

5 Ejb3 persistence jar

6 Hibernate common annotations jar

DDL jar

slf log4j

7 log4j jar (log4j-1.2.14.jar)

8 slf4j LOG4J jar (slf4j-log4j12-1.5.8.jar)

9 log4j (log4j.properties)

log4j.logger.org.hibernate.tool.hbm2ddl=debug

jar

jar,

Spring hibernate3

Spring hiberante(TransactionManager)

8/4/2019 spring2.5

32/46

spring2.5 32 46

Spring hibernate RunTimeExceptionSpring

Annotation

classpath:jdbc.properties

8/4/2019 spring2.5

33/46

spring2.5 33 46

com.wjt276.model.User

com.wjt276.model.Log

org.hibernate.dialect.MySQLDialect

true

true

1 Spring ()

xmlns:tx="http://www.springframework.org/schema/tx"

xsi:schemaLocation=http://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

2 bean Hibernate HibernateTransactionManager

org.springframework.jdbc.datasource.DataSourceTransactionManager,

SessionFactory bean bean

SessionFactory bean

3 Spring Spring (

txManager)

annotation

4 @Transactional

@Transactional


}

Spring

5

Spring

8/4/2019 spring2.5

34/46

spring2.5 34 46

1) Spring

2)

Log

@Entity

@Table(name="t_log")

publicclass Log {

privateintid;private String msg;

}

User

@Entity

publicclass User {

privateintid;

private String name;

}

UserDao

@Component("userDaoImpl")


private SessionFactory sessionFactory;

public SessionFactory getSessionFactory() {returnsessionFactory;}

// sessionFactory AOPAOP

@Resource(name="sessionFactory")

publicvoidsetSessionFactory(SessionFactory sessionFactory) {

this.sessionFactory = sessionFactory;

}

// Spring

//

@Override


Session session = null;

//getCurrentSession()SessionSpring

session = sessionFactory.getCurrentSession();//

session.save(u);


}}

LogDao

@Component("logDaoImpl")

publicclass LogDaoImpl implements LogDao {

private SessionFactory sessionFactory;

public SessionFactory getSessionFactory() {returnsessionFactory;}

// sessionFactory AOPAOP , beanId

sessionFactory

@Resource(name="sessionFactory")

8/4/2019 spring2.5

35/46

spring2.5 35 46

publicvoidsetSessionFactory(SessionFactory sessionFactory) {

this.sessionFactory = sessionFactory;

}

// Spring

//

@Override

publicvoidsave(Log log) {Session session = null;

//getCurrentSession()SessionSpring

session = sessionFactory.getCurrentSession();

session.save(log);

System.out.println("log save...");

}}




private LogDao logDao;

public LogDao getLogDao() {returnlogDao;}

//Spring

@Resource(name="logDaoImpl")

publicvoidsetLogDao(LogDao logDao) { this.logDao = logDao;}

public UserDao getUserDao() { returnuserDao; }


@Resource(name="userDaoImpl")publicvoidsetUserDao(UserDao userDao) { this.userDao = userDao; }

// @Transactional Spring

@Transactional


userDao.save(u);

Log log = new Log();

log.setMsg(u.getName() + " !");

logDao.save(log);

}

}


ApplicationContext factory = new ClassPathXmlApplicationContext("beans.xml");



u.setName("zhangshan" + System.currentTimeMillis());

service.add(u);

}

}

8/4/2019 spring2.5

36/46

spring2.5 36 46

Annotation Spring

@Transactional

Spring

@Transactional

PROPAGATION_REQUIRED

ISOLATION_DEFAULT

/ false

RuntimeException checked Exception

@Transactional

propagation Propagation

isolation Isolation ISOLATION_DEFAULT

readOnly vs.

timeout int

rollbackFor

Class Throwable

checkedexceptions unchecked exceptionsRuntimeException

rollbackForClassname

Class Throwable

noRollbackFor

Class

Throwable

noRollbackForClassname

Class Throwable

Propagation

key

PROPAGATION_REQUIRED--

PROPAGATION_SUPPORTS--

PROPAGATION_MANDATORY--PROPAGATION_REQUIRES_NEW--

PROPAGATION_NOT_SUPPORTED--

PROPAGATION_NEVER--

Isolation Level():

1Serializable

2REPEATABLE READ

3READ COMMITTED:

4Read Uncommitted
http://f/JAVA/spring/spring-framework-2.5.6-with-dependencies/spring-framework-2.5.6/docs/reference/html_single/index.html#tx-propagationhttp://f/JAVA/spring/spring-framework-2.5.6-with-dependencies/spring-framework-2.5.6/docs/reference/html_single/index.html#tx-propagation

8/4/2019 spring2.5

37/46

spring2.5 37 46

3

1 Dirty reads-- A B A

B

2 non-repeatable reads-- A -total-total 100

B total 200 A total 200 A

3 phantom reads-- non-repeatable reads

non-repeatable reads total phantom reads

Select account.id where

account.name="ppgogo*", 6 id b "dd"

"ppgogo1" 7

Dirty reads non-repeatable reads phantom reads

Serializable

REPEATABLE READ

READ COMMITTED

Read Uncommitted

readOnly

readOnly

Object/Relational HibernateTopLinkdirty

checking

Timeout

timeoutJTA J2EE

XML Spring

annotation annotation xml

xml

annotation xml

8/4/2019 spring2.5

38/46

spring2.5 38 46

xmlns:tx="http://www.springframework.org/schema/tx"

xsi:schemaLocation=http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

HibernateTemplate

Template Method()

hibernate


Session session = null;

try {

session = sessionFactory.openSession();

session.beginTransaction();

session.save(u);

//session.update(u);

session.getTransaction().commit();

} catch (HibernateException e) {

session.getTransaction().rollback();

e.printStackTrace();

} finally {

session.close();

}

}

session.update()/ session.delete()

hibernateHibernateTemplate

HibernateTemplate

org.springframework.orm.hibernate3.HibernateTemplate;

HibernateTemplateHiberante SessionFactory

HibernateTemplate setSessionFactory setSessionFactory

HibernateTemplateSession saveupdate

import org.springframework.orm.hibernate3.HibernateTemplate;



private HibernateTemplate hibernateTemplate;

public HibernateTemplate getHibernateTemplate() {returnhibernateTemplate;}

8/4/2019 spring2.5

39/46

spring2.5 39 46

@Resource(name="hibernatTemplate")

publicvoidsetHibernateTemplate(HibernateTemplate hibernateTemplate) {

this.hibernateTemplate = hibernateTemplate;

}

@Override


hibernateTemplate.save(u);//savesessionhibernateTemplate

//HibernateTemplateSessionFactorysession


}}

HibernateTemplateSpring bean sessionFactory

HibernateDaoSupport

HibernateTemplate dao

publicclass LogDaoImpl extends HibernateDaoSupport implements LogDao {

@Override

publicvoidsave(Log log) {

this.getHibernateTemplate().save(log);

//this.save(log);


}

}

dao HibernateDaoSupport sessionFactory hibernateTemplate setXXX

dao setXX final

annotation xml

dao ( ) xml dao

bean bean sessionFactory hibernateTemplate

dao

hibernateDaoSupport hibernateDaoSupport

sessionFactory hibernateTemplate setXXX final

sessionFactoryhibernateTemplate setXXX dao dao

annotation

package com.wjt276.dao.impl;


import org.springframework.orm.hibernate3.HibernateTemplate;

8/4/2019 spring2.5

40/46

spring2.5 40 46

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;


@Component

publicclass SuperDao extends HibernateDaoSupport {

@Resource(name="hibernateTemplate")

publicvoidsetSuperHibernateTemplate(HibernateTemplate hibernateTemplate ){

//

HibernateDaoSuppporthibernateTemplate

sessionFactorysuper.setHibernateTemplate(hibernateTemplate);

}

}

dao

LogDaoImpl

@Component

publicclass LogDaoImpl extends SuperDao implements LogDao {

@Override

publicvoidsave(Log log) {

this.getHibernateTemplate().save(log);

//this.save(log);


}

}

UserDaoImpl


publicclass UserDaoImpl extends SuperDao implements UserDao {

@Override


this.getHibernateTemplate().save(u);

//savesessionhibernateTemplate

//HibernateTemplateSessionFactorysession


}}

Spring -SSH

Struts2.1.6 + Spring2.5.6 + Hibernate3.3.2

8/4/2019 spring2.5

41/46

spring2.5 41 46

jar (jar )

jar antlr-2.7.6.jar hibernate/lib/required HQLaspectjrt spring/lib/aspectj AOPaspectjweaver .. AOPcglib-nodep-2.1_3.jar spring/lib/cglib common-annotations.jar spring/lib/j2ee @Resource

commons-collections-3.1.jar hibernate/lib/required

commons-fileupload-1.2.1.jar

struts/lib struts

commons-io-1.3.2 struts/lib strutscommons-logging-1.1.1

1.0.4(struts/lib)struts

spring

dom4j-1.6.1.jar hibernate/required xmlejb3-persistence hibernate-annotation/lib @Entityfreemarker-2.3.13 struts/lib strutshibernate3.jar hibernatehibernate-annotations hibernate-annotation/hibernate-common-annotations

hibernate-annotation/lib

javassist-3.9.0.GA.jar hiberante/lib/required hibernatejta-1.1.jar .. hibernate transactionjunit4.5mysql-ognl-2.6.11.jar struts/libslf4j-api-1.5.8.jar hibernate/lib/required hibernate-logslf4j-nop-1.5.8.jar hibernate/lib/requiredspring.jar spring/diststruts2-core-2.1.6.jar struts/libxwork-2.1.2.jar struts/lib struts2commons-dbcp spring/lib/jarkata-commonscommons-pool.jar ..struts2-spring-plugin-2.1.6.jar

struts/lib

jar copy

Spring + Hibernate

Struts2

SSH Struts2 Struts2 Spring ActionAction Spring

Spring Struts2 Struts2

1. Struts2 :struts2.xml

2. web.xml struts filter

struts2 org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter

8/4/2019 spring2.5

42/46

spring2.5 42 46

struts2

/*

3. spring listenerwebapp spring

webapp Spring bean webapp Spring bean Spring listener

Struts2 for spring struts2 for spring plugin jar

struts2-spring-plugin-2.1.8.1.jar Struts2-spring-plugin webapp spring

web.xml

org.springframework.web.context.ContextLoaderListener

contextConfigLocation

classpath*:beans.xml

4. struts action jsp

action jsp

5. spring struts Action

SSH action Spring Struts-spring-plugin

Struts2

Action StrutsAction Struts2 ,

Spring Struts2 Action setXXX bean Spring

Action Struts2

Action bean ID Struts2.xml Action name

Spring dao/servceStruts2:Action

8/4/2019 spring2.5

43/46

spring2.5 43 46

6. action

Actionr name Action Struts2

bean name

struts

1. struts-default.xml

2. struts-plugin.xml

3. struts.xml

4. struts.properties

5. web.xml

DTOVO

DTO

Data Transfer Object

()

VO

Value Object

from

SSH

Jsp Session Session

hibernate load SQL ()

JSP load session jsp

SQL session

session JSP

opsession(JSP )

session, OK

Spring web.xml

org.springframework.orm.hibernate3.support.OpenSessionInViewFilter

openSessionInView


8/4/2019 spring2.5

44/46

spring2.5 44 46

class>

openSessionInView

/*

filter Struts2 filter OpenSessionViewFilter SessionFactorybeanbean

sessionFactory sessionFactory filter

openSessionInView


sessionFactoryBeanName

sf

openSessionInView

/*

JSP session

openSessionView

web.xmlopenSessionInViewbeans.xml

spring, openSessionInview

openSessionInView

1 Struts2.1.6 Strunts2 i18n

Spring

filter encoding ()

encodingFilter

org.springframework.web.filter.CharacterEncodingFilter

encoding

GBK

encodingFilter

8/4/2019 spring2.5

45/46

spring2.5 45 46

/*

filter web.xml Struts2 filteropenSessionInView

2 Struts2.1.8 Bug Struts.xml

LazyInitializationException

OpenSessionInViewFilter

struts2 filter

IOC XML ***

IOC Annotation ***

IOC *** * + *

*

* *

* *

AOP ***

AOP *

AOPxml annotation) *** ** +

hibernateTemplate ***

*** *** ++

OpenSessionInView *** **

CharacterEncodingFilter ***

TestContext *

SpringJDBCTemplate

SSH jar

Struts2

1 Struts2 (struts.xml)

2 lib junit spring-test1) xwork-2.1.2.jar

2) freemarker-2.3.13.jar

3) struts2-core-2.1.6.jar

4) ognl-2.6.11.jar

5) commons-io-1.3.2.jar

6) commons-fileupload-1.2.1.jar

7) commons-logging-1.1.jar

1. struts2-spring-plugin-2.1.8.1.jar

Hibernate3.3.21 hibernate3.jar

2 /lib/required

1) javassist-3.9.0.GA.jar

8/4/2019 spring2.5

46/46

spring2.5 46 46

2) commons-collections-3.1.jar

3) antlr-2.7.6.jar

4) dom4j-1.6.1.jar

5) slf4j-api-1.5.8.jar

6) jta-1.1.jar

3 Slf-nop jar

4 mysql JDBC

5 hibernate-annotations.jar

6 ejb3-persistence.jar

7 hibernate-commons-annotations.jar

8 slf log4j

1) log4j jar (log4j-1.2.14.jar)

2) slf4j LOG4J jar (slf4j-log4j12-1.5.8.jar)

3) log4j (log4j.properties)

4) log4j.logger.org.hibernate.tool.hbm2ddl=debug

Spring

1 spring.jar

2 commons-logging.jar

3 aspectjweaver.jar

4 aspectjrt.jar

5 cglib-nodep-2.1.3.jar

6 commons-dbcp.jar

7 commons-pool.jar

Documents

spring2.5 学习笔记