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Flex4+Spring3+Hibernate3+BlazeDS整合笔记

2012-02-23 00:53 344 查看
普通Java Web工程流行使用ssh框架,而当前台使用Flex制作的时候,后台就不需要用Struts了,通过使用BlazeDS远程方法调用即可。

首先,新建Java Web工程,然后添加Flex项目,详情见通过J2EE Web工程添加Flex项目,进行BlazeDS开发 。

随后,导入Jar包,flex相关的jar包在添加Flex项目的时候已经导入,这里主要是导入Spring和Hibernate相关的jar包以及spring和flex集成的jar包,我用的是spring 3.0.3和hibernate 3.2.1。 下面是lib列表:



antlr-2.7.6.jar

asm-2.2.3.jar
asm-commons-2.2.3.jar
asm-util-2.2.3.jar
aspectjlib.jar
aspectjrt.jar
aspectjweaver.jar
backport-util-concurrent.jar
c3p0-0.9.1.jar
cfgatewayadapter.jar
cglib-nodep-2.1_3.jar
com.springsource.edu.emory.mathcs.backport-3.0.0.jar
com.springsource.net.sf.cglib-2.2.0.jar
com.springsource.org.aopalliance-1.0.0.jar
commons-codec-1.3.jar
commons-collections-3.1.jar
commons-httpclient-3.0.1.jar
commons-io-1.4.jar
commons-lang-2.3.jar
commons-logging.jar
dom4j-1.6.1.jar
ehcache-1.2.3.jar
flex-messaging-common.jar
flex-messaging-core.jar
flex-messaging-opt.jar
flex-messaging-proxy.jar
flex-messaging-remoting.jar
flex-rds-server.jar
freemarker-2.3.15.jar
hibernate-commons-annotations-3.2.0.Final.jar
hibernate-core-3.5.4-Final.jar
hibernate-jpa-2.0-api-1.0.0.Final.jar
jackson-lgpl-0.9.5.jar
javassist.jar
jta-1.1.jar
log4j-1.2.15.jar
mysql-connector-java-5.1.13-bin.jar
org.springframework.aop-3.0.3.RELEASE.jar
org.springframework.asm-3.0.3.RELEASE.jar
org.springframework.aspects-3.0.3.RELEASE.jar
org.springframework.beans-3.0.3.RELEASE.jar
org.springframework.context-3.0.3.RELEASE.jar
org.springframework.context.support-3.0.3.RELEASE.jar
org.springframework.core-3.0.3.RELEASE.jar
org.springframework.expression-3.0.3.RELEASE.jar
org.springframework.flex-1.0.3.RELEASE.jar
org.springframework.instrument-3.0.3.RELEASE.jar
org.springframework.instrument.tomcat-3.0.3.RELEASE.jar
org.springframework.jdbc-3.0.3.RELEASE.jar
org.springframework.jms-3.0.3.RELEASE.jar
org.springframework.orm-3.0.3.RELEASE.jar
org.springframework.oxm-3.0.3.RELEASE.jar
org.springframework.test-3.0.3.RELEASE.jar
org.springframework.transaction-3.0.3.RELEASE.jar
org.springframework.web-3.0.3.RELEASE.jar
org.springframework.web.portlet-3.0.3.RELEASE.jar
org.springframework.web.servlet-3.0.3.RELEASE.jar
org.springframework.web.struts-3.0.3.RELEASE.jar
slf4j-api-1.5.8.jar
slf4j-log4j12-1.5.8.jar
xalan.jar


修改配置文件,web.xml,其中最重要的是修改原先MessegeBroker Servlet,改为由Spring web应用前端控制器处理所有请求。






代码

<!-- MessageBroker Servlet 单独为Flex配置xml-->

<servlet>

<servlet-name>flex</servlet-name>

<servlet-class>

org.springframework.web.servlet.DispatcherServlet

</servlet-class>

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>

/WEB-INF/config/flex-application-config.xml

</param-value>

</init-param>

<load-on-startup>1</load-on-startup>

</servlet>

<!--

Map all /messagbroker requests to the DispatcherServlet for handling

-->

<servlet-mapping>

<servlet-name>flex</servlet-name>

<url-pattern>/messagebroker/*</url-pattern>

</servlet-mapping>






配置 flex-application-config.xml,注意增加的几个命名空间,需要包org.springframework.flex-1.0.3.RELEASE.jar,同时在这个文件里定义了bean,在mxml里面会引用到:






flex-application-config.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

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

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 http://www.springframework.org/schema/flex http://www.springframework.org/schema/flex/spring-flex-1.0.xsd">
<!-- Bootstraps and exposes the BlazeDS MessageBroker simplest form -->

<flex:message-broker/>

<bean id="test" class="sample.Test">

<property name="userDAO">

<ref bean="userDAO" />

</property>

<flex:remoting-destination />

</bean>

</beans>







hibernate的配置,用到c0p0.jar,




daoContext.xml

<?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:p="http://www.springframework.org/schema/p"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<!-- 使用c3p0定义数据源Bean -->

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">

<property name="driverClass" value="com.mysql.jdbc.Driver"/>

<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/db"/>

<property name="user" value="user"/>

<property name="password" value="pass"/>

</bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<property name="dataSource" ref="dataSource"></property>

<property name="hibernateProperties">

<props>

<prop key="hibernate.dialect">

org.hibernate.dialect.MySQLDialect

</prop>

<prop key="hibernate.show_sql">

true

</prop>

<prop key="hibernate.format_sql">

true

</prop>

<prop key="hibernate.show_statistics">

false

</prop>

</props>

</property>

<property name="mappingResources">

<list>

<value>sample/dao/User.hbm.xml</value>

</list>

</property>

</bean>

<bean id="userDAO" class="sample.dao.UserDAO">

<property name="sessionFactory">

<ref bean="sessionFactory" />

</property>

</bean>

</beans>



test.mxml,这里主要是定义和调用远程对象,远程对象的bean在上面的flex-application-config.xml里面有定义,调用类sample.Test.java中的createUser方法。



<?xml version="1.0" encoding="utf-8"?>

<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"

xmlns:s="library://ns.adobe.com/flex/spark"

xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">

<fx:Script>

<![CDATA[

import mx.rpc.events.FaultEvent;

import mx.rpc.events.ResultEvent;

protected function button_clickHandler(event:MouseEvent):void

{

// TODO Auto-generated method stub

test.createUser("name","pass");

}

protected function resulth(event:ResultEvent):void

{

label.text="Succeed!";

}

protected function faulth(event:FaultEvent):void

{

label.text="failed!";

}

]]>

</fx:Script>

<fx:Declarations>

<!-- 将非可视元素(例如服务、值对象)放在此处 -->

<mx:RemoteObject id="ro" destination="test" result="resulth(event);" fault="faulth(event);" />

</fx:Declarations>

<s:Button x="165" y="96" label="点一下" width="414" height="110" fontSize="26" id="button" click="button_clickHandler(event)"/>

<s:Label x="287" y="290" text="远程调用测试" width="202" height="50" verticalAlign="middle" textAlign="center" fontSize="22" id="label"/>

</s:Application>



总结:这篇笔记不大全,只是大概展现了整合这些框架的要点,其中,主要是Flex4,spring3和BlazeDS4之间的整合。尤其需要注意的是jar包的导入。

这里有一个个人觉得还蛮不错的Flex教程:Flex系列教程BY蒲公英
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