java-以訪客的Cookie計數

範例

將以下程式拷貝回您的網頁

<script language="JavaScript">
cookie_name = "Counter_Cookie";

function doCookie() {
if(document.cookie) {
index = document.cookie.indexOf(cookie_name);
} else {
index = -1;
}

if (index == -1) {
document.cookie=cookie_name+"=1; expires=Tuesday, 01-Apr-2020 08:00:00 GMT";
} else {
countbegin = (document.cookie.indexOf("=", index) + 1);
countend = document.cookie.indexOf(";", index);
if (countend == -1) {
countend = document.cookie.length;
}
count = eval(document.cookie.substring(countbegin, countend)) + 1;
document.cookie=cookie_name+"="+count+"; expires=Tuesday, 01-Apr-1997 08:00:00 GMT";
}
}

function gettimes() {
if(document.cookie) {
index = document.cookie.indexOf(cookie_name);
if (index != -1) {
countbegin = (document.cookie.indexOf("=", index) + 1);
countend = document.cookie.indexOf(";", index);
if (countend == -1) {
countend = document.cookie.length;
}
count = document.cookie.substring(countbegin, countend);
if (count == 1) {
return (count+" time");
} else {
return (count+" times");
}
}
}
return ("0 times");
}
</script>
</head>

<body onLoad="doCookie()">

<center>
<script>
document.write("<b>這是您第 "+gettimes()+" 幾次來訪此頁.</b>");
</script>
</center>