Struts 2 + Spring + Hibernate 整合实例图文并茂.docx

Struts 2 + Spring + Hibernate 整合实例图文并茂.docx

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Struts2+Spring+Hibernate整合实例图文并茂

Struts2+Spring+Hibernate整合实例

Seethesummaryofintegrationsteps:

1.Getallthedependencylibraries（alot）.

2.RegisterSpring’sContextLoaderListenertointegrateStruts2andSpring.

3.UseSpring’sLocalSessionFactoryBeantointegrateSpringandHibernate.

4.Done,allconnected.

Seetherelationship:

Struts2<--（ContextLoaderListener）-->Spring<--（LocalSessionFactoryBean）-->Hibernate

Thiswillbeaverylongtutorialwithlittleexplanation,makesureyouchecktheabove3articlesfordetailsexplanation.

TutorialsStart…

Itwillgoingtocreateacustomerpage,withaddcustomerandlistcustomerfunction.FrontendisusingStruts2todisplay,Springasthedependencyinjectionengine,andHibernatetodoingthedatabaseoperation.Letstart…

1.Projectstructure

Projectfolderstructure.

2.MySQLtablescript

Customer’stablescript.

DROPTABLEIFEXISTS`mkyong`.`customer`;

CREATETABLE`mkyong`.`customer`（

`CUSTOMER_ID`BIGINT（20）UNSIGNEDNOTNULLAUTO_INCREMENT,

`NAME`VARCHAR（45）NOTNULL,

`ADDRESS`VARCHAR（255）NOTNULL,

`CREATED_DATE`datetimeNOTNULL,

PRIMARYKEY（`CUSTOMER_ID`）

）ENGINE=InnoDBAUTO_INCREMENT=17DEFAULTCHARSET=utf8;

3.Dependencylibraries

Thistutorialsrequestmanydependencylibraries.

Struts2…

--Struts2-->

org.apache.struts

struts2-core

2.1.8

--Struts2+Springplugins-->

org.apache.struts

struts2-spring-plugin

2.1.8

MySQL…

--MySQLdatabasedriver-->

mysql

mysql-connector-java

5.1.9

Spring…

--Springframework-->

org.springframework

spring

2.5.6

org.springframework

spring-web

2.5.6

Hibernate…

--Hibernatecore-->

org.hibernate

hibernate

3.2.7.ga

--Hibernatecorelibrarydependencystart-->

dom4j

dom4j

1.6.1

commons-logging

commons-logging

1.1.1

commons-collections

commons-collections

3.2.1

cglib

cglib

2.2

--Hibernatecorelibrarydependencyend-->

--Hibernatequerylibrarydependencystart-->

antlr

antlr

2.7.7

--Hibernatequerylibrarydependencyend-->

4.Hibernate…

Onlythemodelandmappingfilesarerequired,becauseSpringwillhandletheHibernateconfiguration.

Customer.java–Createaclassforcustomertable.

packagecom.mkyong.customer.model;

importjava.util.Date;

publicclassCustomerimplementsjava.io.Serializable{

privateLongcustomerId;

privateStringname;

privateStringaddress;

privateDatecreatedDate;

//getterandsettermethods

}

Customer.hbm.xml–Hibernatemappingfileforcustomer.

xmlversion="1.0"?

>

DOCTYPEhibernate-mappingPUBLIC"-//Hibernate/HibernateMappingDTD3.0//EN"

"

--Generated20Julai201011:

40:

18AMbyHibernateTools3.2.5.Beta-->

table="customer"catalog="mkyong">

5.Struts2…

ImplementstheBoandDAOdesignpattern.AlltheBoandDAOwillbeDIbySpringintheSpringbeanconfigurationfile.IntheDAO,makeitextendsSpring’sHibernateDaoSupporttointegrateSpringandHibernateintegration.

CustomerBo.java

packagecom.mkyong.customer.bo;

importjava.util.List;

importcom.mkyong.customer.model.Customer;

publicinterfaceCustomerBo{

voidaddCustomer（Customercustomer）;

ListlistCustomer（）;

}

CustomerBoImpl.java

packagecom.mkyong.customer.bo.impl;

importjava.util.List;

importcom.mkyong.customer.bo.CustomerBo;

importcom.mkyong.customer.dao.CustomerDAO;

importcom.mkyong.customer.model.Customer;

publicclassCustomerBoImplimplementsCustomerBo{

CustomerDAOcustomerDAO;

//DIviaSpring

publicvoidsetCustomerDAO（CustomerDAOcustomerDAO）{

this.customerDAO=customerDAO;

}

//callDAOtosavecustomer

publicvoidaddCustomer（Customercustomer）{

customerDAO.addCustomer（customer）;

}

//callDAOtoreturncustomers

publicListlistCustomer（）{

returncustomerDAO.listCustomer（）;

}

}

CustomerDAO.java

packagecom.mkyong.customer.dao;

importjava.util.List;

importcom.mkyong.customer.model.Customer;

publicinterfaceCustomerDAO{

voidaddCustomer（Customercustomer）;

ListlistCustomer（）;

}

CustomerDAOImpl.java

packagecom.mkyong.customer.dao.impl;

importjava.util.List;

importorg.springframework.orm.hibernate3.support.HibernateDaoSupport;

importcom.mkyong.customer.dao.CustomerDAO;

importcom.mkyong.customer.model.Customer;

publicclassCustomerDAOImplextendsHibernateDaoSupport

implementsCustomerDAO{

//addthecustomer

publicvoidaddCustomer（Customercustomer）{

getHibernateTemplate（）.save（customer）;

}

//returnallthecustomersinlist

publicListlistCustomer（）{

returngetHibernateTemplate（）.find（"fromCustomer"）;

}

}

CustomerAction.java–TheStruts2actionisnolongerneedtoextendstheActionSupport,Springwillhandleit.

packagecom.mkyong.customer.action;

importjava.util.ArrayList;

importjava.util.Date;

importjava.util.List;

importcom.mkyong.customer.bo.CustomerBo;

importcom.mkyong.customer.model.Customer;

importcom.opensymphony.xwork2.ModelDriven;

publicclassCustomerActionimplementsModelDriven{

Customercustomer=newCustomer（）;

ListcustomerList=newArrayList（）;

CustomerBocustomerBo;

//DIviaSpring

publicvoidsetCustomerBo（CustomerBocustomerBo）{

this.customerBo=customerBo;

}

publicObjectgetModel（）{

returncustomer;

}

publicListgetCustomerList（）{

returncustomerList;

}

publicvoidsetCustomerList（ListcustomerList）{

this.customerList=customerList;

}

//savecustomer

publicStringaddCustomer（）throwsException{

//saveit

customer.setCreatedDate（newDate（））;

customerBo.addCustomer（customer）;

//reloadthecustomerlist

customerList=null;

customerList=customerBo.listCustomer（）;

return"success";

}

//listallcustomers

publicStringlistCustomer（）throwsException{

customerList=customerBo.listCustomer（）;

return"success";

}

}

6.Spring…

Almostalltheconfigurationisdonehere,atall,Springisspecializedinintegrationwork:

）.

CustomerBean.xml–DeclaretheSpring’sbeans:

Action,BOandDAO.

xmlversion="1.0"encoding="UTF-8"?

>

//www.springframework.org/schema/beans"

xmlns:

xsi="http:

//www.w3.org/2001/XMLSchema-instance"

xsi:

schemaLocation="http:

//www.springframework.org/schema/beans

http:

//www.springframework.org/schema/beans/spring-beans-2.5.xsd">

database.properties–Declarethedatabasedetails.

jdbc.driverClassName=com.mysql.jdbc.Driver

jdbc.url=jdbc:

mysql:

//localhost:

3306/mkyong

jdbc.username=root

jdbc.password=password

DataSource.xml–Createadatasourcebean.

//www.springframework.org/schema/beans"

xmlns:

xsi="http:

//www.w3.org/2001/XMLSchema-instance"

xsi:

schemaLocation="http:

//www.springframework.org/schema/beans

http:

//www.springframework.org/schema/beans/spring-beans-2.5.xsd">

class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

WEB-INF/classes/config/database/properties/database.properties

class="org.springframework.jdbc.datasource.DriverManagerDataSource">

HibernateSessionFactory.xml–CreateasessionFactorybeantointegrateSpringandHibernate.

xmlversion="1.0"encoding="UTF-8"?

>