topnews.java

新闻采用在线编辑器

package popten.web;
			/****************************************
			*  news_title  POPTEN			*
			*  @author: 边缘孤客			*
			*  Company: http://www.popten.com	*
			*  Copyright: Copyright (c) 2002-10-1	*
			*  @version 1.0 beta			*
			****************************************/
import popten.db.DBConnect;
import popten.util.*;
import java.io.*;
import java.sql.*;
import java.util.*;
public class TopNews{
private String news_id,news_title;
public String getnews_id() { return news_id;}
public String getnews_title() { return news_title;}
public void setnews_id(String news_id) { this.news_id = news_id; }
public void setnews_title(String news_title) { this.news_title = news_title; }
	public TopNews(){}
		/**********************
		*     添加新资料      *
		**********************/
		public static void addNews(String news_id,String news_title) throws Exception {
			boolean foundErr = false;
			String errMsg="";
			DBConnect dbc = new DBConnect();
			String today=GetDate.getStringDateShort();
			ResultSet rs;
			if(news_title.equals("") || news_title==null){
				errMsg = errMsg + "□ 您没有输入标题！<br>□ 五秒钟后会自动返回上一页。<br><meta HTTP-EQUIV=REFRESH CONTENT='5; URL=javascript:history.go(-1)'>";
				foundErr = true;
			}
			if(news_id.equals("") || news_id==null){
				errMsg = errMsg + "□ 您没有输入序号！<br>□ 五秒钟后会自动返回上一页。<br><meta HTTP-EQUIV=REFRESH CONTENT='5; URL=javascript:history.go(-1)'>";
				foundErr = true;
			}
			try{
			if(!foundErr){
				dbc.prepareStatement("Select * from daytop where WEEK(dat)=(WEEK(NOW())-1)");
				rs=dbc.executeQuery();
				if(!rs.next()){
					dbc.prepareStatement("Select * from daytop where news_id=?");
					dbc.setBytes(1,news_id.getBytes("GBK"));
					rs=dbc.executeQuery();
					if(rs.next()){
						if(today.equals(rs.getString("dat"))){
							dbc.prepareStatement("update daytop set coun_day=coun_day+1,coun_week=coun_week+1 where news_id=?");
							dbc.setBytes(1,news_id.getBytes("GBK"));
							dbc.executeUpdate();
						}
						else{
							dbc.prepareStatement("update daytop set dat=Now(),coun_day='1',coun_week=coun_week+1 where news_id=?");
							dbc.setBytes(1,news_id.getBytes("GBK"));
							dbc.executeUpdate();
						}
					}
					else{
						dbc.prepareStatement("insert into daytop set news_id=?,news_title=?,dat=Now(),coun_day='1',coun_week='1'");
						dbc.setBytes(1,news_id.getBytes("GBK"));
						dbc.setBytes(2,news_title.getBytes("GBK"));
						dbc.executeUpdate();
					}
				}
				else{
					dbc.prepareStatement("delete from daytop WHERE WEEK(dat)=(WEEK(NOW())-1)");
					dbc.executeUpdate();
					dbc.prepareStatement("alter table daytop drop day_id");
					dbc.executeUpdate();
					dbc.prepareStatement("alter table daytop add day_id TINYINT unsigned auto_increment primary key");
					dbc.executeUpdate();
					dbc.prepareStatement("insert into daytop set news_id=?,news_title=?,dat=Now(),coun_day='1',coun_week='1'");
					dbc.setBytes(1,news_id.getBytes("GBK"));
					dbc.setBytes(2,news_title.getBytes("GBK"));
					dbc.executeUpdate();
				}
				}
				}
				catch(Exception e){
				System.err.println(e);
				  }
				finally{
				  try{
					dbc.close();
				  }
				  catch(Exception e){
					e.printStackTrace();
				  }
			 	}
			}

		/************************
		*  读出本周TOP10资料	*
		************************/
		public Vector WeekTop10(){
			DBConnect dbc = null;
			ResultSet rs;
			Vector newsVector = new Vector();
			try{
				dbc  = new DBConnect();
				dbc.prepareStatement("select * from daytop order by coun_week desc limit 10");
				rs = dbc.executeQuery();
				while(rs.next()){
					TopNews news = new TopNews();
					news.setnews_id(rs.getString("news_id"));
					news.setnews_title(rs.getString("news_title"));
					newsVector.add(news);
				}
			  }
			catch(Exception e){
				System.err.println(e);
			  }
			finally{
				try{
					dbc.close();
				}
				catch(Exception e){
					e.printStackTrace();
				}
			  }
			return newsVector;
			}
		/************************
		*  读出今天TOP10资料	*
		************************/
		public Vector DayTop10(){
			DBConnect dbc = null;
			ResultSet rs;
			Vector newsVector = new Vector();
			try{
				dbc  = new DBConnect();
				dbc.prepareStatement("select * from daytop where TO_DAYS(dat)=TO_DAYS(NOW()) order by coun_day desc limit 10");
				rs = dbc.executeQuery();
				while(rs.next()){
					TopNews news = new TopNews();
					news.setnews_id(rs.getString("news_id"));
					news.setnews_title(rs.getString("news_title"));
					newsVector.add(news);
				}
			  }
			catch(Exception e){
				System.err.println(e);
			  }
			finally{
				try{
					dbc.close();
				}
				catch(Exception e){
					e.printStackTrace();
				}
			  }
			return newsVector;
			}

	}