?? filelastmod.htm
字號:
<html>
<head>
<title>
獲得文件的最后修改時間
</title>
<script language="JavaScript">
//獲得文件的格式化最后修改時間
function DocDate()
{
StrofLastMod = document.lastModified;
//獲得文件的最后修改時間，它是一個string類型的變量。
//它的格式如下：07/29/2002 18:28:55
Millisec = Date.parse(StrofLastMod);//把字符串類型轉化成int類型，代表從1970年到現在的毫秒數。
if(Millisec == 0 || Millisec == null) //Opera3.2
dateStr = "Unknown";
else
{
LastModDate = new Date();//得到Date類型的實例
LastModDate.setTime(Millisec);//給LastModDate賦值，得到最后修改時間的Date類型值。
months = new Array("January","February","March","April","May","June","July","August",
"September","October","November","December"); //月份名變量，供轉換。
days = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");//星期名變量，供轉換
var c = ":"; //用來分隔時，分，秒。
miliSec = LastModDate.getMilliseconds();
seconds = LastModDate.getSeconds();
minutes = LastModDate.getMinutes();
hours = LastModDate.getHours();
dayofWeek = LastModDate.getDay();
day = days[dayofWeek];
date = LastModDate.getDate();
monthNo = LastModDate.getMonth();
month = months[monthNo];
year = LastModDate.getYear();
if(year < 2000)//獲得年的值，year<2000時，由于是參照1900來計數的，所以要加上1900。
year = year + 1900;
dateStr = year+" "+month+" "+date+" "+day+" "+hours+c+minutes+c+seconds+"."+miliSec; //獲得格式化的文件最后修改時間。
}
return dateStr;
}
</script>
</head>
<body>
<script language="JavaScript">
document.writeln("<center> This File is last updated at: </center>");
document.writeln("<center> <font color= ff00ff>",DocDate(),"</font></center>");
document.writeln("<center> <font color= ff00ff>",document.lastModified,"</font></center>");
</script>
</body>
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