配合课件学习jsp的网站例子

				    
				/***************************************************
				 *  
				 *  源文件名:  Config.java
				 *  功    能： 梦想年华新闻系统 - 系统参数设置类
				 *	作者：梦想年华 [DreamTime]
				 *	Email:fanwsp@126.com
				 *  QQ:122142023 
				 * 	CopyRight(c)2005-2006 by DreamTime 
				 *
				 ****************************************************
				*/
				
				package dreamtime.dreamnews;			//指定类所在的包
				
				import java.sql.*;
				import dreamtime.dreamnews.Function;
				import dreamtime.dreamnews.DBConnection;
				
				public class Config
				{
				
				    DBConnection DBConn = new DBConnection();
				    Function Fun = new Function();
				    
				    public Config()
				    {
				    	
				    }  
				    
				    
				     
				    /*********************************************************
					* 函数名：SaveConfig
					* 作  用：保存系统参数设置
					* 参  数：s0:字符串数组,s1，管理员；
					*         s2:IP，b，是否系统参数
					* 返回值：字符串型
					***********************************************************/
				    public String SaveConfig(String [] s,String s1,String s2,boolean b)
				    {	
				    	String NowTime = (new java.util.Date()).toLocaleString();
						String [] sLog = new String[5];
						sLog[0] = s1;
						sLog[2] = NowTime;
						sLog[3] = s2; 
						if(b) sLog[1] = "修改系统配置参数";
						else sLog[1] = "修改网站基本信息参数";
				    	try
				    	{
					    	Connection Conn = DBConn.getConn();
					    	Statement stmt = Conn.createStatement(1004,1007);
							int iMax = s.length;
							String [] sa1 = new String [iMax];
					    	String [] sa2 = new String [iMax];
					    	int [] iArray = new int [iMax];
					    	boolean OK = true;
					    	String sError = "";
					    	String sql = "";
					    	for(int i=0;i					    	{
					    		sa1[i] = Fun.CheckReplace(s[i]);
					    		iArray[i] = Fun.StrToInt(sa1[i]);
					    		sa2[i] = "第 " + (i+1) + " 行输入的数据";
					    	}
					    	
					    	String sOK = Fun.CheckDate(sa1,sa2);
					    	if (!sOK.equals("Yes"))
					    	{
					    		OK = false;
					    		sError = sOK; 
					    	}
					    	
					    	
					    	if(OK && b)
					    	{
					    		for(int i=0;i						    	{
						    		if(iArray[i]999) 
						    		{
						    			sError = "第 " + (i+1) + " 行输入的数据不是[0-999]之间";
						    			OK = false;
						    			break;
						    		}
						    	}
						    }
					    	
					    	
					    	if(OK)
					    	{
					    		if(!b) 
					    		{
					    			sql ="update Config set ";
					    			sql += "DreamNewsTitle='" + s[0] + "',";
									sql += "DreamNewsCopyRight='" + s[1] + "',";
									sql += "DreamNewsEmail='" + s[2] + "'";
								}
					    		else
					    		{
						    		sql = "update Config set ";
									sql += "AdminUserListNum=" + iArray[0] + ",";
									sql += "AdminLogListNum=" + iArray[1] + ",";
									sql += "AdminNewsListNum=" + iArray[2] + ",";
									sql += "HotNewsNum=" + iArray[3] + ",";
									sql += "HeadNewsNum=" + iArray[4] + ",";
									sql += "TopNewsNum=" + iArray[5] + ",";
									sql += "TopImgNum=" + iArray[6] + ",";
									sql += "ClassNewsNum=" + iArray[7] + ",";
									sql += "ClassImgNum=" + iArray[8] + ",";
									sql += "SpecNum=" + iArray[9] + ",";
									sql += "SpecNewsNum=" + iArray[10] + ",";
									sql += "BHotNewsNum=" + iArray[11] + ",";
									sql += "BHeadNewsNum=" + iArray[12] + ",";
									sql += "BTopNewsNum=" + iArray[13] + ",";
									sql += "BTopImgNum=" + iArray[14] + ",";
									sql += "BClassNewsNum=" + iArray[15] + ",";
									sql += "BClassImgNum=" + iArray[16] + ",";
									sql += "BSpecNum=" + iArray[17] + ",";
									sql += "BSpecNewsNum=" + iArray[18] + ",";
									sql += "ListSpecNum=" + iArray[19] + ",";
									sql += "ListNewsNum=" + iArray[20] + ",";
									sql += "SearchNewsNum=" + iArray[21];
					    		}
					    		stmt.executeUpdate(sql);
								stmt.close();
								Conn.close();
							    sLog[4] = "Yes";
							    Fun.AddLog(sLog);
					    		return "Yes";	
					    	}
					    	else return sError;
					    }catch(SQLException e)
				        {
				            e.printStackTrace();
				            sLog[4] = "No";
				            Fun.AddLog(sLog);
				            return "操作失败!";
				        }				
				    }
				    
				    
				    
				   /*********************************************************
					* 函数名：ReadConfig
					* 作  用：得到系统参数设置
					* 参  数：b，是否系统参数
					* 返回值：布尔型。成功返回 Ture，否则返回 False
					***********************************************************/
				    public String [] ReadConfig(boolean b)
				    {	
				    	try
				    	{
					    	Connection Conn = DBConn.getConn();
					    	Statement stmt = Conn.createStatement(1004,1007);
					    	String sql = "select top 1 * from Config";
					    	ResultSet rs = stmt.executeQuery(sql);
					    	int iMax = 3;
					    	if(b) iMax = 22;
					    	String [] sArray = new String [iMax];
					    	int [] iArray = new int[iMax];
					    	rs.next();
					    	if(b)
					    	{
								for(int i=0;i								{
									iArray[i] = rs.getInt(i+2);
									sArray[i] = Integer.toString(iArray[i]);
								}
							}
							else for(int i=0;i				
							stmt.close();
							Conn.close();
					    	return sArray;
					    }catch(SQLException e)
				        {
				            e.printStackTrace();
				            return null;
				        }				
				    }
				    
				    
				    
				    
				    
				    //测试
					public static void main(String[] args)
					{	
						 Config config = new Config();
						 //config.ReadConfig(true);
						 String  [] s1 = config.ReadConfig(true);
						 String [] s2 = new String [22];
						 
						 for(int i=0;i						 {
						 	s1[i] = "10";
						 }
						 System.out.println(config.SaveConfig(s1,"http://ww","172.16.166.50",true));
						 for(int i=0;i						 {
						 	System.out.println(s2[i]);
						 }
					}
				}