Struts2+Spring2.5+Hibernate3.2实例教程(2-7)V0.1

最新推荐文章于 2010-05-24 15:56:00 发布

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最新推荐文章于 2010-05-24 15:56:00 发布

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3）配置文件修改
3.1）删除Bitrac\src\com\albertsong\bitrac\dao\Member.hbm.xml
3.2)建目录Bitrac\src\META-INF，在这个目录下面新建一个文件persistence.xml，内容如下：

<? xml version = " 1.0 " encoding = " UTF-8 " ?>
< persistence xmlns = " http://java.sun.com/xml/ns/persistence "
xmlns:xsi = " http://www.w3.org/2001/XMLSchema-instance "
xsi:schemaLocation = " http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd "
version = " 1.0 " >
< persistence-unit name = " punit " >
</ persistence-unit >
</ persistence >

3．3）修改web.xml文件，添加
<filter>
        <filter-name>OpenEntityManagerInViewFilter</filter-name>
        <filter-class>
            org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter
        </filter-class>
    </filter>

    <filter-mapping>
        <filter-name>OpenEntityManagerInViewFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

3．4）修改applicationContext.xml，修改后内容如下：

<? 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: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-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd " >
< bean
class = " org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor " />
< bean id = " entityManagerFactory "
class = " org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean " >
< property name = " dataSource " ref = " dataSource " />
< property name = " jpaVendorAdapter " >
< bean
class = " org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter " >
< property name = " database " value = " MYSQL " />
< property name = " showSql " value = " true " />
</ bean >
</ property >
</ bean >
< bean id = " dataSource "
class = " org.springframework.jdbc.datasource.DriverManagerDataSource " >
< property name = " driverClassName " value = " com.mysql.jdbc.Driver " />
< property name = " url " value = " jdbc:mysql://localhost:3306/bitrac " />
< property name = " username " value = " root " />
< property name = " password " value = "" />
</ bean >
< bean id = " transactionManager "
class = " org.springframework.orm.jpa.JpaTransactionManager " >
< property name = " entityManagerFactory " ref = " entityManagerFactory " />
</ bean >
< tx:annotation-driven transaction-manager = " transactionManager " />
< bean id = " memberDao " class = " com.albertsong.bitrac.dao.MemberDaoImpl " />
< bean name = " adminAction " class = " com.albertsong.bitrac.action.AdminAction " scope = " prototype " >
< property name = " memberDao " ref = " memberDao " />
</ bean >
</ beans >

4）运行程序
启动Tomcat，浏览http://localhost:8080/bitrac/
正常的话，我们已经完成了一个最简单的Struts2+Spring2.5+JPA(Hibernate)程序了。

源代码这里下载：
Lib 源代码不带jar，这里包括了当前需要的所有jar，解压后放到/WebRoot/WEB-INF/lib下。
http://www.albertsong.com/download/Bitrac/Bitrac_Lib.rar
不使用JPA的工程
http://www.albertsong.com/download/Bitrac/Bitrac_Src_2_1.rar
使用JPA的工程
http://www.albertsong.com/download/Bitrac/Bitrac_Src_2_2.rar

参考链接：
在struts2中集成Spring
http://www.99inf.net/SoftwareDev/Java/55131.htm
登录出错以后不能再登录
http://www.iteye.com/topic/146932
C3P0的详细配置
http://blog.youkuaiyun.com/luhao/archive/2008/05/06/2399946.aspx
JPA批注参考
http://www.cnblogs.com/kentyshang/archive/2008/01/07/1029142.html

后记：
如果仔细的看完这两章，那么对于Java Web开发常用的操作和一般流程应该熟悉了。从第三章开始，将正式开始Bitrac博客程序的开发。