keywordsuggestaction.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.URLDecoder;
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;

//搜索提示
public class KeywordSuggestAction extends Action {
	
	private Daily daily = null;
	
    private DailyLoadDao dailyLoadDao;
    
	private static final Logger logger;
	
	static 
    {
        logger = Logger.getLogger(com.booksearch.ajax.KeywordSuggestAction.class);
    }
	
	public void setDailyLoadDao(DailyLoadDao dailyLoadDao) {
		this.dailyLoadDao = dailyLoadDao;
	}
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){

		// 取得查询的参数
		String keyword = null;
		try {
			keyword = URLDecoder.decode(request.getParameter("keyword"),"UTF-8");
		} catch (UnsupportedEncodingException e) {
			//e.printStackTrace();
			logger.error(e);
		}

		//request.setCharacterEncoding("utf-8");
		//response.setCharacterEncoding("utf-8");
		// 设置返回数据类型为xml
		// response.setContentType("text/xml");
		java.io.PrintWriter out = null;
		try {
			out = response.getWriter();
		} catch (IOException e) {
			//e.printStackTrace();
			logger.error(e);
		}
		ArrayList<Daily> dailyList = this.dailyLoadDao.loadDailySuggest(keyword);
		Iterator it = dailyList.iterator();
		out.println("<ul>");
			
		int i = -1;
		while(it.hasNext()){
				i++;
				if(i<10){
					daily = (Daily)it.next();
					if(null != daily && daily.getKeyword().indexOf("null")==-1&&daily.getRecordNum()>0)
					out.println("<li value="+i+" onclick=\"form_submit()\" onmouseover=\"mo(this.value)\">"+daily.getKeyword()+"<span>&nbsp;&nbsp;&nbsp;&nbsp;约"+daily.getRecordNum()+"结果</span></li>");
				}
		}
			
		out.println("</ul>");	
		return null;
	}

}