📄 11-3.htm
字号:
<html>
<head>
<title>§11.3 统计用户来访次数</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<script language="JavaScript">
<!-- Begin
var expDays = 30;
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function Who(info) //存取用户姓名
{
var VisitorName = GetCookie('VisitorName')
if (VisitorName == null)
{
VisitorName = prompt("您的尊姓大名：");
SetCookie ('VisitorName', VisitorName, exp);
}
return VisitorName;
}
function When(info) //存取用户上次访问时间
{
var rightNow = new Date()
var WWHTime = 0;
WWHTime = GetCookie('WWhenH')
WWHTime = WWHTime * 1
var lastHereFormatting = new Date(WWHTime);
var intLastVisit = (lastHereFormatting.getYear() * 10000)+(lastHereFormatting.getMonth() * 100) + lastHereFormatting.getDate()
var lastHereInDateFormat = "" + lastHereFormatting;
var dayOfWeek = lastHereInDateFormat.substring(0,3)
var dateMonth = lastHereInDateFormat.substring(4,11)
var timeOfDay = lastHereInDateFormat.substring(11,16)
var year = lastHereInDateFormat.substring(23,25)
var WWHText = dayOfWeek + ", " + dateMonth + " at " + timeOfDay
SetCookie ("WWhenH", rightNow.getTime(), exp)
return WWHText
}
function Count(info) //统计用户访问次数
{
var WWHCount = GetCookie('WWHCount')
if (WWHCount == null)
{
WWHCount = 0;
}
else
{
WWHCount++;
}
SetCookie ('WWHCount', WWHCount, exp);
return WWHCount;
}
function getCookieVal (offset)
{
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) //读取指定名称的cookie值函数
{// alert(document.cookie)
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen)
{
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(";", i);
if (i == -1) break;
i+=2;
}
return null;
}
function SetCookie (name,value,x_expires,x_path,x_domain,x_secure) //设置一个Cookie值函数
{
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? x_expires : null;
var path = (argc > 3) ? x_path : null;
var domain = (argc > 4) ? x_domain : null;
var secure = (argc > 5) ? x_secure : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function DeleteCookie (name) //删除Cookie值函数
{
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
// End -->
</script>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<script language="JavaScript">
function delcookie() //删除cookie
{
DeleteCookie("VisitorName");
DeleteCookie("WWHenH");
DeleteCookie("WWHCount");
alert("删除成功!");
}
cou=Count()
if (cou==0)
{
document.write("您好!" + Who() + ". 您首次来这儿,请多提宝贵意见.");
}
else
{
temp="您好!" +Who()
temp += "您已来这儿" + cou + "次了，最后一次在 " + When() +"."
document.write(temp);
temp="<a href=\"#\" onclick=\"delcookie()\">删除COOKIE值</a>"
document.write(temp);
}
</script>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -