loadtopicaction.java

Italk吧简易论坛 基于struts+extjs+hibernate+spring+mysql开发。 /catch目录为系统截图 安装步骤： 1：安装MYSQL

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.italk.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.dom4j.Document;
import org.dom4j.io.XMLWriter;

/**
 * MyEclipse Struts Creation date: 11-14-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action validate="true"
 */
public class LoadTopicAction extends BaseAction {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// TODO Auto-generated method stub
		String start = request.getParameter("start");
		log.debug("start:" + start);
		String limit = request.getParameter("limit");
		log.debug("limit:" + limit);
		String type = request.getParameter("type");
		log.debug("type:" + type);

		Document document=null;
		if(type.equals("all")) {
			document=topicService.getMainTopicByPage(Integer.parseInt(start), Integer
				.parseInt(limit));
		} else if(type.equals("prime")) {
			document=topicService.getPrimeTopicByPage(Integer.parseInt(start), Integer
					.parseInt(limit));
		} else if(type.equals("top")) {
			document=topicService.getTopTopicByPage(Integer.parseInt(start), Integer
					.parseInt(limit));
		}
		log.info("load topic type:"+type);
		
		response.setContentType("text/xml");
		response.setCharacterEncoding("utf-8");
		try {
			XMLWriter out=new XMLWriter(response.getOutputStream());
			out.write(document);
			out.flush();
			out.close();
		} catch(Exception e) {
			log.error("load topic error",e);
		}
		return null;
	}
}