Liferay 用PortletSession 实现不同Liferay之间通讯

第一步： 写好PortletSession A

    1.1  这是PortletSession A 的jsp页面代码

<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %>
<%@ page contentType="text/html; charset=utf-8" %>
<portlet:defineObjects />
 
两个Portlet  用   Session 进行通讯 </br>

 这是PortSession A</br>
 
<portlet:actionURL name="sendParamaterAction" var="sendParamater">

</portlet:actionURL>
 
<form action="<%=sendParamater %>" method="post">
    username :  <input type="text" name="username" /> </br>
    <input type="submit" value="submit">
   
</form>

  

对应的页面效果如下：

1.2  PortletSession A 的java代码

package com.test;

import java.io.IOException;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.portlet.PortletSession;
import javax.portlet.ProcessAction;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import com.liferay.util.bridges.mvc.MVCPortlet;

/**
 * Portlet implementation class PorletSession
 */
public class PorletSession extends MVCPortlet {
    @ProcessAction(name="sendParamaterAction")
    public void sendParamate(ActionRequest actionRequest,ActionResponse actionResponse) throws IOException, PortletException{
		 
    	String username = actionRequest.getParameter("username");
    	System.out.println("sendParamaterAction username = " + username);
    	actionRequest.getPortletSession().setAttribute("username", username,PortletSession.APPLICATION_SCOPE);<pre name="code" class="html">PortletSession.APPLICATION_SCOPE

getPortletSession

} }

第二步 写好Portletsession B代码

  2.1 是Portletsession B的jsp页面代码

<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %>
<%@ page contentType="text/html; charset=utf-8" %>
<portlet:defineObjects />

两个Portlet  用   Session 进行通讯 </br>

 这是PortSession B</br>

 从名称为 portletsession的Portlet 传入的username值:${username}

对应的页面效果如下：

2.2  PortletSession B的java代码

package com.test;

import java.io.IOException;

import javax.portlet.PortletException;
import javax.portlet.PortletSession;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import com.liferay.util.bridges.mvc.MVCPortlet;

/**
 * Portlet implementation class PorletSessionB
 */
public class PorletSessionB extends MVCPortlet {
 
	@Override
	public void doView(RenderRequest renderRequest,RenderResponse renderResponse) throws IOException, PortletException {
	  String username =  (String )renderRequest.getPortletSession().getAttribute("username",PortletSession.APPLICATION_SCOPE);
	  System.out.println("PorletSessionB doView username = " + username);
	  renderRequest.setAttribute("username", username);
	  super.doView(renderRequest, renderResponse);
	}
}

  实现的效果如下：

在portletsession A的表单中输入sdfsdf提交后，Portlet session b可以显示出输入的值