FrontNewsdAction.java

package com.sp2p.action.front;


import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.shove.Convert;
import com.shove.data.DataException;
import com.shove.vo.PageBean;
import com.shove.web.Cache;
import com.shove.web.CacheManager;
import com.shove.web.Request;
import com.shove.web.action.BasePageAction;
import com.shove.web.util.JSONUtils;
import com.sp2p.constants.IConstants;
import com.sp2p.service.NewsAndMediaReportService;


/**
 * 前台下载专区
 * @author Administrator
 *
 */
public class FrontNewsdAction extends BasePageAction {
	private static final long serialVersionUID = 1L;
	public static Log log = LogFactory.getLog(FrontNewsdAction.class);
	private NewsAndMediaReportService newsService;
	
	private Map<String, String> previousDate;  //上一条
	private Map<String,String> lastDate;  //下一条

	
	public String initNews()throws SQLException,DataException{
		return SUCCESS;
	}
	
	/**
	 * 查询网站公告列表(每次显示五条)
	 * @return String
	 * @throws SQLException
	 * @throws DataException
	 * @throws UnsupportedEncodingException
	 */
	@SuppressWarnings("unchecked")
	public String frontQueryNewsList() throws SQLException, DataException{
		Integer id=Convert.strToInt(request("id"), -1);
		List<Map<String,Object>> newsList = new ArrayList<Map<String,Object>>();
		pageBean.setPageSize(5);
		newsService.frontQueryNewsPage(pageBean);
		newsList = pageBean.getPage();
		request().setAttribute("newsList", newsList);
		if(id==2){
			return "ganggao";
		}else{
			return SUCCESS;
		}
		
	}
	
	/**
	 * 分页显示网站公告列表
	 * @return
	 * @throws SQLException
	 * @throws DataException
	 */
	public String frontQueryNewsListPage()throws SQLException,DataException{
		try {
			newsService.queryNewsPage(pageBean);
		} catch (SQLException e) {
			log.error(e);
			e.printStackTrace();
			throw e;
		} catch (DataException e) {
			log.error(e);
			e.printStackTrace();
			throw e;
		}
		return SUCCESS;
	}
	
	/**
	 * 根据Id获取网站公告详情
	 * @return
	 * @throws SQLException
	 * @throws DataException
	 */
	public String frontQueryNewsById()throws SQLException,DataException{
		Long id=Convert.strToLong(request("id"),-1);
		try {
			paramMap=newsService.getNewsById(id);
			if(paramMap != null ){
				//上一条
				previousDate=newsService.getNewsById(id-1);
				//下一条
				lastDate=newsService.getNewsById(id+1);
				paramMap=newsService.getNewsById(id);
				
				//浏览次数增加
				newsService.updateNews(id, null, null, null, null,
						Convert.strToInt(paramMap.get("visits"),-1)+1, null);
				
				//添加缓存后，浏览次数会改变
				paramMap.put ("visits", Convert.strToLong(paramMap.get("visits"),-1)+1+"");
			}
		} catch (SQLException e) {
			log.error(e);
			e.printStackTrace();
		}catch(DataException e){
			log.error(e);
			e.printStackTrace();
		}
		return SUCCESS ;
	}
	
	public NewsAndMediaReportService getNewsService() {
		return newsService;
	}

	public void setNewsService(NewsAndMediaReportService newsService) {
		this.newsService = newsService;
	}

	public Map<String, String> getPreviousDate() {
		return previousDate;
	}

	public void setPreviousDate(Map<String, String> previousDate) {
		this.previousDate = previousDate;
	}

	public Map<String, String> getLastDate() {
		return lastDate;
	}

	public void setLastDate(Map<String, String> lastDate) {
		this.lastDate = lastDate;
	}

	
}