onlinecount.asp

一套很早的多用户电子商务程序

<%@ Language=JavaScript %> 
<% 
  var strCountData="1234567890"; 
  var theTime=new Date(); 
  if (typeof(Application("GuestOnline"))=="undefined") 
        Application("GuestOnline")="0"; 
  function CheckGuest() 
  { 
    //Check Me 
    if (typeof(Session("UserName"))=="undefined") 
        Session("UserName")="guest"; 
    var strUserName=String(Session("UserName")); 
    var strGuestOnline=String(Application("GuestOnline")); 
    var GuestArray=strGuestOnline.split("\n"); 
    var i; 
    var iGuestNum; 
    if (typeof(Session("GuestNum"))=="undefined")    
    { 
       for (i=0;i<GuestArray.length;i++) 
       { 
          if (GuestArray[i]=="0") break; 
       } 
       Session("GuestNum")=i; 
    } 
    
    iGuestNum=Session("GuestNum")*1;   
    if (iGuestNum>10000)iGuestNum=10000;        
  
    var strFormatTime=theTime.getTime(); 
    strFormatTime="0000000000000000000"+strFormatTime; 
    strFormatTime=strFormatTime.substr(strFormatTime.length-16,16); 
    
    GuestArray[iGuestNum]=strFormatTime+strUserName; 
    
    strGuestOnline=GuestArray.join("\n"); 
    Application("GuestOnline")=strGuestOnline; 
    
    return 1;    
  } 
  function GetNumber() 
  {    
    //Count Guests on line     
    var strFormatTime=theTime.getTime()-5*60*1000; 
    strFormatTime="0000000000000000000"+strFormatTime; 
    strFormatTime=strFormatTime.substr(strFormatTime.length-16,16); 
  
    var strGuestOnline=String(Application("GuestOnline")); 
    var GuestArray=strGuestOnline.split("\n");     
    
    var iGuestCounter=0; 
    var i;    
    for (i=0;i<GuestArray.length;i++) 
    { 
        if (GuestArray[i].substr(0,16)> strFormatTime) 
            iGuestCounter++; 
        else if (GuestArray[i].length>0) 
            GuestArray[i]="0";    
    }   
    strGuestOnline=GuestArray.join("\n"); 
    Application("GuestOnline")=strGuestOnline; 
   return iGuestCounter; 
  } 
   
   CheckGuest(); 
   //Output 
   strCountData=GetNumber(); 
   
   var i;    
   strCountData="0"+strCountData;   
         
var strDigits= new Array( 
         "0", "0x3c","0x66","0x66","0x66","0x66","0x66","0x66","0x66","0x66","0x3c", //0 
         "1","0x30","0x38","0x30","0x30","0x30","0x30","0x30","0x30","0x30","0x30",  //1 
         "2","0x3c","0x66","0x60","0x60","0x30","0x18","0x0c","0x06","0x06","0x7e",  //2 
         "3","0x3c","0x66","0x60","0x60","0x38","0x60","0x60","0x60","0x66","0x3c",  //3 
         "4","0x30","0x30","0x38","0x38","0x34","0x34","0x32","0x7e","0x30","0x78",  //4 
         "5","0x7e","0x06","0x06","0x06","0x3e","0x60","0x60","0x60","0x66","0x3c",  //5 
         "6","0x38","0x0c","0x06","0x06","0x3e","0x66","0x66","0x66","0x66","0x3c",  //6 
         "7","0x7e","0x66","0x60","0x60","0x30","0x30","0x18","0x18","0x0c","0x0c",  //7 
         "8","0x3c","0x66","0x66","0x66","0x3c","0x66","0x66","0x66","0x66","0x3c",  //8 
         "9","0x3c","0x66","0x66","0x66","0x66","0x7c","0x60","0x60","0x30","0x1c"); //9 

var iCharCount=strCountData.length; 
var iCharWidth=8; 
var iCharHeight=10*1; 
var theBit; 
var theNum; 
Response.ContentType ="image/x-xbitmap"; 
Response.Expires =0; 

Response.Write ("#define counter_width "+ iCharWidth*iCharCount+"\r\n");  //图形宽 
Response.Write ("#define counter_height "+ iCharHeight+"\r\n");   //图形高 
Response.Write ("static unsigned char counter_bits[]={\r\n"); 

for (iRow=0;iRow<iCharHeight;iRow++) 
for (i=0;i<iCharCount;i++) 
{ 
  theBit=strCountData.charAt(i); 
  for (k=0;k<strDigits.length;k+=(iCharHeight+1)) 
  { 
   if (strDigits[k]==theBit)break; 
  } 
  if (k>=strDigits.length)k=0; 
  theOffset=k+1; 
  
  Response.Write (strDigits[theOffset+iRow]); 
  Response.Write (","); 
} 

Response.Write ("};\r\n"); 
%>