C#写的一个简单论坛原代码。 比较简单

				using System;
				using System.Collections;
				using System.ComponentModel;
				using System.Data;
				using System.Drawing;
				using System.Web;
				using System.Web.SessionState;
				using System.Web.UI;
				using System.Web.UI.WebControls;
				using System.Web.UI.HtmlControls;
				using System.Data.OleDb;
				using System.Text;
				using System.Configuration;
				using System.Web.Security;
				using System.Security.Cryptography;
				using System.IO;
				
				namespace yezhuforum
				{
					/// 
					/// add_articleto 的摘要说明。
					/// 
					public class add_articleto : System.Web.UI.Page
					{
						protected int intRunTime;
						protected DateTime dtStartTime = DateTime.Now;
						protected System.Data.OleDb.OleDbCommand cmd;
						protected System.Data.OleDb.OleDbCommand cmd4;
						protected System.Data.OleDb.OleDbCommand cmd5;
						protected System.Data.OleDb.OleDbConnection conn;	
						protected string OleDbSqlforum;
						protected string OleDbuser;
						public    DataSet dsPending;
						public    DataSet dsPending3;
						public string sql;	
						public string sql3;
				        protected int lastid;
						public int userjudge2;	
						public int userjudge3;
						public int sum1;
						public int sum2;
						public int sum3;
						public int sum4;
						public int sum5;
						private void Page_Load(object sender, System.EventArgs e)
						{
							if (Request.Cookies["jusername"]==null)
							{
								Response.Redirect("logine.aspx");
							}
							string str=""+Request.Form["subject"]+"";
							string str1=""+Request.Form["content"]+"";
							userjudge2=System.Text.Encoding.Default.GetByteCount(str);
							userjudge3=System.Text.Encoding.Default.GetByteCount(str1);
							if  (userjudge2>50||userjudge2==0||userjudge3>16240||userjudge3==0)
							{
								Response.Redirect("announcerror.aspx");
							}
							OleDbConnection con;
							string OleDbsql;
							OleDbCommand cmd;
							StringBuilder sb=new StringBuilder();
							ArrayList values=new ArrayList();
				
							sb.Append("INSERT INTO [forum_3](f3_motif,f3_content,f3_face,f3_name,f3_uip,f3_sy,f3_html)  values('{0}','{1}','{2}','{3}','{4}','{5}','{6}')"); 
				            
							values.Add(Request.Form["subject"]);
							values.Add(Request.Form["content"]); 
							values.Add(Request.Form["f3_face"]);			
							values.Add(Request.Form["f3_name"]);
							values.Add(Request.UserHostAddress);
							values.Add(Convert.ToInt32(Request.Form["f3_sy"]));			
				
							if(Request.Form["f3_html"]!="")
								values.Add(0);
							else
								values.Add(1);	
							
							OleDbsql=String.Format(sb.ToString(),values.ToArray());
				
							
							con=new OleDbConnection(ConfigurationSettings.AppSettings["cnFriends.ConnectionString"]);
							cmd=new OleDbCommand(OleDbsql,con);
				
							sql="SELECT top 1 f3_id from forum_3  order by f3_id desc";
							dsPending=new DataSet();
							OleDbDataAdapter adWord=new OleDbDataAdapter(sql,con);
							adWord.Fill(dsPending,"forum_3");
				
							lastid=(Convert.ToInt32(dsPending.Tables[0].Rows[0]["f3_id"])+1);
							
				
							OleDbSqlforum="update [forum_2] set f2_topicnum=f2_topicnum+1,f2_lastpostuser='"+Request.Cookies["jusername"].Value+"',f2_lastposttime='"+DateTime.Now+"',f2_lasttopic='"+Request.Form["subject"]+"',f2_lastrootid="+lastid+" where f2_id="+Request.Form["f3_sy"]+""; 		        
							cmd4=new OleDbCommand(OleDbSqlforum,con);
				
							OleDbuser="update [userinfo]  SET u_post=u_post+1,u_money=u_money+2,u_fenshu=u_fenshu+2 where u_user='"+Request.Form["f3_name"]+"'"; 		        
							cmd5=new OleDbCommand(OleDbuser,con);
				
							con.Open();
							bool doredirect=true;
				
							try
							{
								cmd.ExecuteNonQuery();
								cmd4.ExecuteNonQuery();
								cmd5.ExecuteNonQuery();
							}
							catch
							{
								doredirect=false;			
							}
							finally
							{
								con.Close();
							}
							if(doredirect)
							{			
								
							}
							else
							{
								Response.Redirect("index.aspx");
							}
							//定义发帖统计
							sql3="SELECT sum(f2_topicnum) as  sum1,sum(f2_replynum) as sum2,sum(f2_todaynum) as sum3,sum(f2_yestoday) as sum4  FROM forum_2";
							dsPending3=new DataSet();
							OleDbDataAdapter adWord3=new OleDbDataAdapter(sql3,con);
							adWord3.Fill(dsPending3,"forum_2");
							Page.DataBind();
							sum1=Convert.ToInt32(dsPending3.Tables[0].Rows[0]["sum1"]);
							sum2=Convert.ToInt32(dsPending3.Tables[0].Rows[0]["sum2"]);
							sum3=Convert.ToInt32(dsPending3.Tables[0].Rows[0]["sum3"])+1;
							sum4=Convert.ToInt32(dsPending3.Tables[0].Rows[0]["sum4"]);
							sum5=sum1+sum2;
							//结束
							//写文件
							using (StreamWriter sw = new StreamWriter(Server.MapPath("Writerfile1.aspx"),false,System.Text.Encoding.GetEncoding("gb2312")))
							{
								// Add some text to the file.
								sw.Write("");
								sw.WriteLine(" ");
								sw.WriteLine("今日发贴："+sum3+" 篇");
								sw.Write("主题总数："+sum1+" 篇 ");
								sw.Write("");
								sw.Write("");
								sw.Write("昨日发贴："+sum4+" 篇 ");
								sw.Write("帖子总数："+sum5+" 篇 ");				 
								sw.Write("");
								sw.Write("");				
								sw.Close();
							}
							//结束
							con.Close();
						}
				
						#region Web 窗体设计器生成的代码
						override protected void OnInit(EventArgs e)
						{
							//
							// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
							//
							InitializeComponent();
							base.OnInit(e);
						}
						
						/// 
						/// 设计器支持所需的方法 - 不要使用代码编辑器修改
						/// 此方法的内容。
						/// 
						private void InitializeComponent()
						{    
							this.Load += new System.EventHandler(this.Page_Load);
				
						}
						#endregion
					}
				}