timer.asp

1。超强文件读写锁定

<%
'---------------------------------------
'用来计算封盘倒计时
set rs=server.createobject("adodb.recordset")
sql="select tray_time,tray_switch from m_config "
rs.open sql,conn,1,1
change=0
If DateDiff("n",rs("tray_time"),Now())>=0 And  DateDiff("n",rs("tray_time"),Now())<=1446 Then
   Set Rs6=Conn.Execute("Update m_config Set tray_switch=0,tray_show=1,tray_show2=1,tray_show3=0")
  End if
if datediff("s",rs("tray_time"),now())>1  or rs("tray_switch")=true then
response.write ""
else
'response.write rs("tray_time")
year1=year(rs("tray_time"))
month1=month(rs("tray_time"))-1
'response.write month1
day1=day(rs("tray_time"))
hour1=hour(rs("tray_time"))
minute1=minute(rs("tray_time"))
second1=second(rs("tray_time"))
  %>
<span class="style1" id=show1></span>&nbsp;<span id="Span"></span>
<script language=javascript>
function fun()
{ var year1=<%=year1%>;
var month1=<%=month1%>;
var day1=<%=day1%>;
var hour1=<%=hour1%>;
var minute1=<%=minute1%>;
var second1=<%=second1%>;
  var Date1 = new Date(year1,month1,day1,hour1,minute1,second1 );
 //var Date1 = new Date(2004,06,21,16,51,12 );
  var time = Date1 - new Date();//这是微秒间隔,一微秒为0.001秒,以新时间减旧时间可得出时间间隔
  if (time/1000<600 )
  {window.document.getElementById("show1").innerText ="即将封盘"
  window.document.getElementById("Span").innerText ="倒数:"+ Math.floor(time / 1000)+"秒"; //转化为秒
//alert(time);
}
if( time ==600844) 
	{
		alert("离封盘只有五分钟了！");
		return false;
	}
	if (time<1000)
		{
	window.document.getElementById("span").innerText="";
	 window.document.getElementById("show1").innerText="现已封盘"; 
	window.parent.frames. mainFrame.location.href="ac3.asp";
	}
}
//fun()
setInterval("fun();",1000);//以0.2秒的间隔更新一次,理论上误差最大是199微秒，即误差不超过0.199秒，但实际上没有这么准。

</script>
<%
end if%>