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.csdn.net/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。
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