relshowaction.java

本系统实现了从五个网站上搜索的图书进行整合后

package com.booksearch.ajax;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Iterator;

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

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;


import com.booksearch.dao.DailyLoadDao;


import com.booksearch.orm.Daily;
import com.booksearch.util.SessionBean;

public class RelShowAction extends Action {

    private SessionBean sessionBean;
  
    private DailyLoadDao dailyLoadDao;
    
	private static final Logger logger;
	
	static 
    {
        logger = Logger.getLogger(com.booksearch.ajax.RelShowAction.class);
    }
    
	public void setSessionBean(SessionBean sessionBean) {
		this.sessionBean = sessionBean;
	}

	public void setDailyLoadDao(DailyLoadDao dailyLoadDao) {
		this.dailyLoadDao = dailyLoadDao;
	}
    public ActionForward execute(ActionMapping mapping, ActionForm form,
		HttpServletRequest request, HttpServletResponse response){
	    Daily daily = null;
	   
	    java.io.PrintWriter out = null;
		try {
			out = response.getWriter();
		} catch (IOException e) {

			//e.printStackTrace();
			logger.error(e);
		}
		String keyword = "";
		if(this.sessionBean.getKeyword().indexOf("/")!=-1){
			keyword = this.sessionBean.getKeyword().substring(0, this.sessionBean.getKeyword().indexOf("/"));
		}else{
			keyword = this.sessionBean.getKeyword();
		}
	    /*取得当前页数参数*/
	    ArrayList<Daily> dailyList = this.dailyLoadDao.loadDaily(keyword);
        Iterator it = dailyList.iterator();
	    if(!it.hasNext()){
			out.println("暂无相关记录");	
		}
		else{
			while(it.hasNext()){
				daily = (Daily)it.next();
                if(!daily.getKeyword().equals(keyword)&&daily.getRecordNum()>0
                	&&daily.getKeyword().indexOf("null") == -1&&daily.getKeyword().indexOf("+") == -1){
                	try {
						out.println("<a href=Search.do?keyword=" + URLEncoder.encode(daily.getKeyword(),"utf-8")
							   	  + "&searchkind=" + daily.getSearchKind() 
								  + "><font color='red'>" + daily.getKeyword() + "</a>&nbsp;");
					} catch (UnsupportedEncodingException e) {
						//e.printStackTrace();
						logger.error(e);
					}
                }
				
			}
		}

	    return null;
    }
}