本博文使用struts2，hibernate，spring技术整合Web项目，同时分层封装代码，包含model层，DAO层，Service层，Action层。
在整合hibernate时使用annotation注释进行数据库的映射，整合spring时使用annotation进行IOC注入。
最后在DAO层中继承HibernateDaoSupport来编写代码。
首先看一下项目的目录：
需要的类库：
以person为例：
model层：
package com.hwadee.tradeUnion.model; import java.util.Date;
import java.util.HashSet;
import java.util.Set; import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne; /**
* Person entity. @author MyEclipse Persistence Tools
*/
@Entity
public class Person implements java.io.Serializable { /**
*
*/
private static final long serialVersionUID = 1L;
// Fields private int id;
private String name;
private String sex;
private String nationality;
private String area;
private Date birthday;
private String education;
private String polity;
private String company;
private String idCard;
private String phone; //------------------------------------------
private Set<PersonApply> personApplys = new HashSet<PersonApply>();
private Set<Honour> Honours = new HashSet<Honour>();
private Death death; // Property accessors
@Id
@GeneratedValue
public int getId() {
return this.id;
} public void setId(int id) {
this.id = id;
} //-------------------------------------------------
@OneToMany(fetch=FetchType.EAGER,cascade={CascadeType.ALL})
@JoinColumn(name="personId")
public Set<PersonApply> getPersonApplys() {
return personApplys;
} public void setPersonApplys(Set<PersonApply> personApplys) {
this.personApplys = personApplys;
} @OneToMany(fetch=FetchType.EAGER,cascade={CascadeType.ALL})
@JoinColumn(name="personId")
public Set<Honour> getHonours() {
return Honours;
} public void setHonours(Set<Honour> honours) {
Honours = honours;
} @OneToOne
@JoinColumn(name="deathId")
public Death getDeath() {
return death;
} public void setDeath(Death death) {
this.death = death;
} //------------------------------------------------------ @Column(length = 30)
public String getName() {
return this.name;
} public void setName(String name) {
this.name = name;
} @Column(length = 10)
public String getSex() {
return this.sex;
} public void setSex(String sex) {
this.sex = sex;
} @Column( length = 10)
public String getNationality() {
return this.nationality;
} public void setNationality(String nationality) {
this.nationality = nationality;
} @Column( length = 50)
public String getArea() {
return this.area;
} public void setArea(String area) {
this.area = area;
} public Date getBirthday() {
return this.birthday;
} public void setBirthday(Date birthday) {
this.birthday = birthday;
} @Column( length = 10)
public String getEducation() {
return this.education;
} public void setEducation(String education) {
this.education = education;
} @Column(length = 10)
public String getPolity() {
return this.polity;
} public void setPolity(String polity) {
this.polity = polity;
} @Column( length = 30)
public String getCompany() {
return this.company;
} public void setCompany(String company) {
this.company = company;
} @Column(length = 18)
public String getIdCard() {
return this.idCard;
} public void setIdCard(String idCard) {
this.idCard = idCard;
} @Column(length = 11)
public String getPhone() {
return this.phone;
} public void setPhone(String phone) {
this.phone = phone;
} }
DAO层：
package com.hwadee.tradeUnion.dao; import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.stereotype.Component; import com.hwadee.tradeUnion.model.Person; @Component
public class PersonDAO extends HibernateDaoSupport {
private static final Logger log = LoggerFactory.getLogger(PersonDAO.class);
// property constants
public static final String NAME = "name";
public static final String SEX = "sex";
public static final String NATIONALITY = "nationality";
public static final String AREA = "area";
public static final String EDUCATION = "education";
public static final String POLITY = "polity";
public static final String COMPANY = "company";
public static final String ID_CARD = "idCard";
public static final String PHONE = "phone"; protected void initDao() {
// do nothing
} //--------注入spring配置的sessionFactory
@Autowired
public void setMySessionFactory(SessionFactory sessionFactory){
super.setSessionFactory(sessionFactory);
} public void save(Person transientInstance) {
log.debug("saving Person instance");
try {
getHibernateTemplate().save(transientInstance);
log.debug("save successful");
} catch (RuntimeException re) {
log.error("save failed", re);
throw re;
}
} public void delete(Person persistentInstance) {
log.debug("deleting Person instance");
try {
getHibernateTemplate().delete(persistentInstance);
log.debug("delete successful");
} catch (RuntimeException re) {
log.error("delete failed", re);
throw re;
}
} public void deleteById(int id){ Person temp=this.findById(id);
this.delete(temp); } public void update(Person temp){ getHibernateTemplate().update(temp); } public Person findById(int id) {
log.debug("getting Person instance with id: " + id);
try {
Person instance = (Person) getHibernateTemplate().get(
Person.class, id);
return instance;
} catch (RuntimeException re) {
log.error("get failed", re);
throw re;
}
} public List findByExample(Person instance) {
log.debug("finding Person instance by example");
try {
List results = getHibernateTemplate().findByExample(instance);
log.debug("find by example successful, result size: "
+ results.size());
return results;
} catch (RuntimeException re) {
log.error("find by example failed", re);
throw re;
}
} public List findByProperty(String propertyName, Object value) {
log.debug("finding Person instance with property: " + propertyName
+ ", value: " + value);
try {
String queryString = "from Person as model where model."
+ propertyName + "= ?";
return getHibernateTemplate().find(queryString, value);
} catch (RuntimeException re) {
log.error("find by property name failed", re);
throw re;
}
} public List findByName(Object name) {
return findByProperty(NAME, name);
} public List findBySex(Object sex) {
return findByProperty(SEX, sex);
} public List findByNationality(Object nationality) {
return findByProperty(NATIONALITY, nationality);
} public List findByArea(Object area) {
return findByProperty(AREA, area);
} public List findByEducation(Object education) {
return findByProperty(EDUCATION, education);
} public List findByPolity(Object polity) {
return findByProperty(POLITY, polity);
} public List findByCompany(Object company) {
return findByProperty(COMPANY, company);
} public List findByIdCard(Object idCard) {
return findByProperty(ID_CARD, idCard);
} public List findByPhone(Object phone) {
return findByProperty(PHONE, phone);
} public List findAll() {
log.debug("finding all Person instances");
try {
String queryString = "from Person";
return getHibernateTemplate().find(queryString);
} catch (RuntimeException re) {
log.error("find all failed", re);
throw re;
}
} public Person merge(Person detachedInstance) {
log.debug("merging Person instance");
try {
Person result = (Person) getHibernateTemplate().merge(
detachedInstance);
log.debug("merge successful");
return result;
} catch (RuntimeException re) {
log.error("merge failed", re);
throw re;
}
} public void attachDirty(Person instance) {
log.debug("attaching dirty Person instance");
try {
getHibernateTemplate().saveOrUpdate(instance);
log.debug("attach successful");
} catch (RuntimeException re) {
log.error("attach failed", re);
throw re;
}
} public void attachClean(Person instance) {
log.debug("attaching clean Person instance");
try {
getHibernateTemplate().lock(instance, LockMode.NONE);
log.debug("attach successful");
} catch (RuntimeException re) {
log.error("attach failed", re);
throw re;
}
} public static PersonDAO getFromApplicationContext(ApplicationContext ctx) {
return (PersonDAO) ctx.getBean("PersonDAO");
}
//输入Hql查询函数
public List findByHql( String hql) {
log.debug("finding Admin By Hql");
try {
String queryString = hql;
return getHibernateTemplate().find(queryString);
} catch (RuntimeException re) {
log.error("find all failed", re);
throw re;
}
}
}
Service层：
package com.hwadee.tradeUnion.service; import java.util.List; import javax.annotation.Resource; import org.springframework.stereotype.Component; import com.hwadee.tradeUnion.dao.PersonDAO; import com.hwadee.tradeUnion.model.Person; @Component
public class PersonService { private PersonDAO personDAO; public PersonDAO getPersonDAO() {
return personDAO;
} @Resource
public void setPersonDAO(PersonDAO personDAO) {
this.personDAO = personDAO;
} public void add(Person kxw) { personDAO.save(kxw); } public void delete(Person kxw) { personDAO.delete(kxw);
} public void deleteById(int id) { personDAO.deleteById(id);
} public List<Person> list() { return personDAO.findAll(); } public Person loadById(int id) { return personDAO.findById(id);
} public void update(Person kxw) { personDAO.update(kxw); }
Action层：
package com.hwadee.tradeUnion.action; import java.util.List; import javax.annotation.Resource; import org.springframework.stereotype.Component; import com.hwadee.tradeUnion.model.Person;
import com.hwadee.tradeUnion.service.PersonService;
import com.opensymphony.xwork2.ActionSupport; @Component("PersonAction")
public class PersonAction extends ActionSupport { /**
*
*/
private static final long serialVersionUID = 1L; private List<Person> personList; private PersonService personService;
private Person person;
private int id; public PersonService getPersonService() {
return personService;
} @Resource
public void setPersonService(PersonService personService) {
this.personService = personService;
} public String list() {
personList = personService.list(); return SUCCESS;
} public String add() {
personService.add(person); return SUCCESS;
}
public String update() {
personService.update(person);
return SUCCESS;
}
public String delete() { personService.deleteById(id);
return SUCCESS;
}
public String addInput() { return INPUT;
}
public String updateInput() {
this.person = this.personService.loadById(id);
return INPUT;
} public String load(){ this.person=this.personService.loadById(id); return SUCCESS;
} public List<Person> getPersonList() {
return personList;
} public void setPersonList(List<Person> personList) {
this.personList = personList;
} public Person getPerson() {
return person;
} public void setPerson(Person person) {
this.person = person;
} public int getId() {
return id;
} public void setId(int id) {
this.id = id;
} }
applicationContext.xml文件：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.2.xsd"> <context:annotation-config />
<context:component-scan base-package="com.hwadee" />
<!--
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close"> <property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/spring" />
<property name="username" value="root" />
<property name="password" value="bjsxt" />
</bean>
--> <bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<value>classpath:jdbc.properties</value>
</property>
</bean> <bean id="dataSource" destroy-method="close"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean> <bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!--
<property name="annotatedClasses">
<list>
<value>com.bjsxt.model.User</value>
<value>com.bjsxt.model.Log</value>
</list>
</property>
-->
<property name="packagesToScan">
<list>
<value>com.hwadee.tradeUnion.model</value> </list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
</bean> <!-- <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>--> <bean id="txManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean> <aop:config>
<aop:pointcut id="bussinessService"
expression="execution(public * com.hwadee.tradeUnion.service.*.*(..))" />
<aop:advisor pointcut-ref="bussinessService"
advice-ref="txAdvice" />
</aop:config> <tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<!--<tx:method name="exists" read-only="true" /> -->
<tx:method name="list" read-only="true" />
<tx:method name="add*" propagation="REQUIRED"/>
<tx:method name="loadById*" read-only="true"/>
<tx:method name="delete*" propagation="REQUIRED"/>
<tx:method name="deleteById*" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED"/>
</tx:attributes>
</tx:advice> </beans>
web.xml文件：
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>Struts Blank</display-name> <welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list> <!--如果不定义webAppRootKey参数，那么webAppRootKey就是缺省的"webapp.root"--> <!-- <context-param> <param-name>webAppRootKey</param-name> <param-value>ssh.root</param-value> </context-param>--> <context-param> <param-name>log4jConfigLocation</param-name> <param-value>classpath:log4j.properties</param-value> </context-param> <context-param> <param-name>log4jRefreshInterval</param-name> <param-value>60000</param-value> </context-param>
<!--配置log4j --> <listener> <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class> </listener> <listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
<!-- default: /WEB-INF/applicationContext.xml -->
</listener> <context-param>
<param-name>contextConfigLocation</param-name>
<!-- <param-value>/WEB-INF/applicationContext-*.xml,classpath*:applicationContext-*.xml</param-value> -->
<param-value>classpath:applicationContext.xml</param-value>
</context-param> <filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>GBK</param-value>
</init-param>
</filter> <filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <filter>
<filter-name>openSessionInView</filter-name>
<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>sessionFactoryBeanName</param-name>
<param-value>sessionFactory</param-value>
</init-param>
</filter> <filter-mapping>
<filter-name>openSessionInView</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter> <filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> </web-app>
jdbc.properties：
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3300/TradeUnion
jdbc.username=root
jdbc.password=123456
struts.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
"http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="default" namespace="/" extends="struts-default">
<action name="hello">
<result>
/hello.jsp
</result>
</action>
<action name="*Login" class="{1}LoginAction">
<result name="success">/{1}/{1}-Manage.jsp</result>
<result name="fail">fail.jsp</result>
</action>
<action name="*-*-*" class="{2}Action" method="{3}">
<result name="success">/{1}/{2}-{3}.jsp</result>
<result name="input">/{1}/{2}-{3}.jsp</result>
<result name="fail">/{1}/{2}-{3}-fail.jsp</result>
</action>
</package>
<!-- Add packages here -->
</struts>