日期:2014-05-19 浏览次数:20756 次
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts> <package name="Type" extends="struts-default"> <!-- 得到指定类型的所有新闻 --> <action name="GetNewsList" class="Action.NewsAction" method="GetNewsList"> <result name="success">/index.jsp</result> </action> </package> </struts>
package Action; import java.util.ArrayList; import java.util.Map; import Service.NewsService; import Vo.News; import com.opensymphony.xwork2.ActionContext; public class NewsAction { private ArrayList<News> list = new ArrayList<News>(); private int typeId; public ArrayList<News> getNewsList(){ return this.list; } public void setNewsList(ArrayList<News> temp){ this.list = temp; } public void setTypeId(int typeId){ this.typeId = typeId; } public int getTypeId(){ return this.typeId; } public String GetNewsList(){ NewsService service = new NewsService(); //System.out.println("类型号"+getTypeId()); list = service.GetNewsList(getTypeId()); //System.out.println(list.size()); // 打印出来可以看到list中已经有内容了 Map request = (Map) ActionContext.getContext().get("request"); request.put("newsList", list); return "success"; } }
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%> <%@ taglib uri="/struts-tags" prefix="s"%> <html> <head></head> <body> <s:action name="GetNewsList" > <s:param name="typeId">1</s:param> </s:action> <s:iterator value="#request.newsList" id="list"> <li> <em><s:property value="#list.date"/></em> <a href="ShowNews.jsp?id=<s:property value='#list.id'/>" target="_blank"><s:property value="#list.title"/></a> </li> </s:iterator> </body> </html> 麻烦大家指点下,我之前用类似的方法显示另一个list正常啊。不知道为什么这次怎么就显示不出来了。谢谢大家了