hisshowaction.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 HisShowAction extends Action {
	
	Daily daily = null;
    private DailyLoadDao dailyLoadDao;
    
    private SessionBean sessionBean;
    
	private static final Logger logger;
	
	static 
    {
        logger = Logger.getLogger(com.booksearch.ajax.HisShowAction.class);
    }
	
	public void setDailyLoadDao(DailyLoadDao dailyLoadDao) {
		this.dailyLoadDao = dailyLoadDao;
	}
	public void setSessionBean(SessionBean sessionBean) {
		this.sessionBean = sessionBean;
	}
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response){
		
		java.io.PrintWriter out = null;
		try {
			out = response.getWriter();
		} catch (IOException e) {		
			//e.printStackTrace();
			logger.error(e);
			
		}		
		String remoteAddr = request.getRemoteAddr();		
		ArrayList<Daily> dailyList = this.dailyLoadDao.loadDailyHis(remoteAddr);
		//request.setCharacterEncoding("UTF-8");
		//response.setCharacterEncoding("UTF-8");
		String keyword = "";
		if(this.sessionBean.getKeyword().indexOf("/")!=-1){
			keyword = this.sessionBean.getKeyword().substring(0, this.sessionBean.getKeyword().indexOf("/"));
		}else{
			keyword = this.sessionBean.getKeyword();
		}

		Iterator it = dailyList.iterator();		
		//out.println("<br>&nbsp;欢迎访问本网站！<br>&nbsp;您的访问IP为：<br>&nbsp;" + request.getRemoteHost() + "<br>&nbsp;搜索历史为：<br>");
		if(!it.hasNext()){
			out.println("暂无相关记录");	

		}else{
		    while (it.hasNext()){
			    daily = (Daily)it.next();
			    if(daily.getKeyword().indexOf("null")== -1 && !daily.getKeyword().equals(keyword) && daily.getRecordNum()>0)
					try {
						out.println("&nbsp;<a href=Search.do?keyword=" + URLEncoder.encode(daily.getKeyword(), "UTF-8") 
								+ "&searchkind=" + daily.getSearchKind() 
								+ "><font color='red'>" + daily.getKeyword() + "</a>");
					} catch (UnsupportedEncodingException e) {
						//e.printStackTrace();
						logger.error(e);
					}
		    }
		}
		return null;
	}

}