作者smallkach (small ka)
看板Ajax
标题[问题] 用js写计数器
时间Tue Jun 3 00:09:21 2008
请问如何写才可以使它别重复灌水
我程式超弱...
==========================================================
<%@ page contentType="text/html; charset=big5" language="java"
import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="
http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=big5" />
<title>无标题文件</title>
</head>
<body>
<script language="javascript">
<!--
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) {
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) + 1;
if (i == 0)
break;
}
return null;
}
function SetCookie (name, value) {
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : 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) {
var exp = new Date();
FixCookieDate (exp); // Correct for Mac bug
exp.setTime (exp.getTime() - 1); // This cookie is history
var cval = GetCookie (name);
(cval != null)
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var expdate = new Date();
var num_visits;
expdate.setTime(expdate.getTime() + (365*24*60*60*1000));
if (!(num_visits = GetCookie("num_visits")))
num_visits = 0;
num_visits++;
SetCookie("num_visits",num_visits,expdate);
document.write("您是第 "+num_visits+" 位客人喔～");
-->
</script>
</body>
</html>
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 220.134.89.10
1F：推 grassboy2:把 num_visits++;换成 num_visits--;就不会被灌水了(逃) 06/03 00:54
2F：推 ClareQ:用cookie只有存资料在client端，你确定是你要的吗？ 06/03 19:46
3F：推 rabbithenry:纯JS你要把计数资料放在哪... 06/05 21:24
4F：推 cwlin0416:个人化的计数器吗? XD 06/08 23:37
5F：推 cwlin0416:你的资料应该要放在所有人能共同存取的地方, ex: db.. 06/08 23:40