手把手教你使用flex eclipse整合spring

来源：本站原创|时间：2020-01-11|栏目：Flex|点击：次

最先下载FlashBuilder_4_7_LS10_win64.exe试了几个eclipse安装插件都没成功，包括myeclipse8.5、spring sts2.9.2、eclipse3.5、j2eeeclipse版本4.2.0，后来搞了一个FlashBuilder_4_LS10.exe安装完找不到插件安装文件原来这个是单独版，必须插件版才行，最后下载FlashBuilder_4_Plugin_LS10.exe终于配置成功了，myeclipse8.5不行，spring sts可以了。

spring sts部署应用跟myeclipse不一样，比较类似eclipse。

用sts整合flex和java有几个步骤：

1：新建动态web工程flexweb，创建web.xml

2： blazeds-turnkey-4.0.0.14931.zip解压，复制blazed两个文件夹flex和lib到WEB-INF下，里面是blaze的jar包和flex配置文件，然后修改web.xml加入blaze支持

<listener>
  <listener-class>flex.messaging.HttpFlexSession</listener-class>
 </listener>

 
 <!-- MessageBroker Servlet -->
 <servlet>
  <servlet-name>MessageBrokerServlet</servlet-name>
  <servlet-class>flex.messaging.MessageBrokerServlet</servlet-class>
  <init-param>
   <param-name>services.configuration.file</param-name>
   <param-value>/WEB-INF/flex/services-config.xml</param-value>
  </init-param>
  <load-on-startup>1</load-on-startup>
 </servlet>
 <servlet-mapping>
  <servlet-name>MessageBrokerServlet</servlet-name>
  <url-pattern>/messagebroker/*</url-pattern>
 </servlet-mapping>

3：项目右键，添加/更改项目类型>添加flex类型项目，第一步，应用程序类型选择J2EE，下方选择BlazeDS，第二部根文件夹填入项目在workspase的路径加一个WebContent，如E:\workspaces\sts\flexweb\WebContent，根URL填http://localhost:8080/flexweb，上下文根目录/flexweb，输出文件夹使用默认E:\workspaces\sts\flexweb\WebContent\flexweb-debug，点击finish
4：转换完成后，目录有些变化，右键项目>properties>flex构建路径，主源文件夹改为flex_src，然后把自动生成的src目录下的flexweb.mxml移动到flex_src下，环境搭建就算完成了

HelloWorld

flexweb.mxml：

<?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.controls.Alert;  
   import mx.rpc.events.ResultEvent;  
   
   protected function myFlex_resultHandler(event:ResultEvent):void{  
    var name:String=event.result as String;  
    Alert.show(name);  
   }  
   protected function button1_clickHandler(event:MouseEvent):void  
   {   
    myFlex.sayHello(txtName.text);  
   }  
  ]]>  
 </fx:Script>  
 
 <fx:Declarations>  
  <!-- 将非可视元素（例如服务、值对象）放在此处 -->  
  <s:RemoteObject id="myFlex" destination="mytest" result="myFlex_resultHandler(event)"/>  
 </fx:Declarations>  
 <s:Button x="209" y="135" label="按钮" click="button1_clickHandler(event)"/>  
 <s:TextInput x="166" y="81" id="txtName"/>  
 <s:Label x="10" y="81" text="请输入内容：" fontSize="15" fontWeight="bold" fontFamily="中易黑体"/>  
</s:Application>

其中

<s:RemoteObject id="myFlex" destination="mytest" result="myFlex_resultHandler(event)"/>

指定了一个调用Java的类Hello，mytest对应到remoting-config.xml

在WEB-INFO/flex目录下remoting-config.xml加入

<destination id="mytest">
    <properties>
      <source>com.hongbo.Hello</source>
    </properties>
  </destination>

result对应的是java方法调用的回调函数
建一个普通java类

package com.hongbo;

public class Hello {

 public String sayHello(String name){
  System.out.println("------------------------------------");
  return "Hello First Demo " + name;
 }
}

这样就OK了

访问路径是http://localhost:8080/flexweb/flexweb-debug/flexweb.html

第一次会报404，problems提示无法创建html包装器，右键点击重新创建模板

添加Spring支持

1：web.xml加入

<context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>/WEB-INF/classes/applicationContext.xml </param-value>
 </context-param>
 <listener>
  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
 </listener>

2：src下创建applicationContext.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: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-2.0.xsd
 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
 http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">

 <bean id="hello" class="com.hongbo.Hello">
  <property name="testSpring">
   <ref bean="testSpring"/>
  </property>
 </bean>
 <bean id="testSpring" class="com.hongbo.test.impl.TestSpringImpl"/>
</beans>

3：WEB-INF/flex/service-config.xml加入

<factories>
   <factory id="spring" class="com.hongbo.SpringFactory" /> 
 </factories>

添加java类

package com.hongbo;


import org.springframework.beans.BeansException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import flex.messaging.FactoryInstance;
import flex.messaging.FlexFactory;
import flex.messaging.config.ConfigMap;
import flex.messaging.services.ServiceException;
public class SpringFactory implements FlexFactory {
 private static final String SOURCE = "source";

 public void initialize(String id, ConfigMap configMap) {
 }

 public FactoryInstance createFactoryInstance(String id, ConfigMap properties) {
  SpringFactoryInstance instance = new SpringFactoryInstance(this, id,
    properties);
  instance.setSource(properties.getPropertyAsString(SOURCE, instance
    .getId()));
  return instance;
 } // end method createFactoryInstance()  

 public Object lookup(FactoryInstance inst) {
  SpringFactoryInstance factoryInstance = (SpringFactoryInstance) inst;
  return factoryInstance.lookup();
 }

 static class SpringFactoryInstance extends FactoryInstance {
  SpringFactoryInstance(SpringFactory factory, String id,
    ConfigMap properties) {
   super(factory, id, properties);
  }

  public String toString() {
   return "SpringFactory instance for id=" + getId() + " source="
     + getSource() + " scope=" + getScope();
  }

  public Object lookup() {
   ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(flex.messaging.FlexContext.getServletConfig().getServletContext());
   String beanName = getSource();

   try {
    return appContext.getBean(beanName);
   } catch (NoSuchBeanDefinitionException nexc) {
    ServiceException e = new ServiceException();
    String msg = "Spring service named '" + beanName
      + "' does not exist.";
    e.setMessage(msg);
    e.setRootCause(nexc);
    e.setDetails(msg);
    e.setCode("Server.Processing");
    throw e;
   } catch (BeansException bexc) {
    ServiceException e = new ServiceException();
    String msg = "Unable to create Spring service named '"
      + beanName + "' ";
    e.setMessage(msg);
    e.setRootCause(bexc);
    e.setDetails(msg);
    e.setCode("Server.Processing");
    throw e;
   }
  }

 }

}

4：修改remoting-config.xml

<destination id="mytest">
    <properties>
     <factory>spring</factory>
      <source>hello</source>
    </properties>
  </destination>

5：修改相应的Java类

package com.hongbo;

import com.hongbo.test.TestSpring;

public class Hello {

 private TestSpring testSpring;
 
 public void setTestSpring(TestSpring testSpring) {
  this.testSpring = testSpring;
 }
 
 public String sayHello(String name){
  return testSpring.testSpring(name);
 }
}

package com.hongbo.test;

public interface TestSpring {

 String testSpring(String name);
}

package com.hongbo.test.impl;

import com.hongbo.test.TestSpring;

public class TestSpringImpl implements TestSpring{

 public String testSpring(String name){
  System.out.println("test spring-------------------------------------"+name);
  return "test spring "+name;
 }
}

最后，flex打印语句trace不会打印到控制台，要先卸载flashplayer再安装一个debuger版的flashplayer，下载flashplayer_uninstall.zip，卸载，下载flashplayer10r12_36_winax_debug.exe，安装，卸载安装后好像谷歌浏览器没影响，然后eclipse修改默认浏览器为IE，window>preferences>General>Web browser，选择Internet Explorer，最后还有，启动tomcat后，必须在mxml上面右键debug运行，打开的IE才会打印trace，直接访问网址是不行的。
如有遗漏请指出

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