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防止网站内容被小偷采集的js代码原创

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1^# 大中小发表于 2006-9-25 22:59

防止网站内容被小偷采集的ASP代码http://www.jb51.net/html/200609/1203.htm
看了一下asp的，因为我的站是静态的所以就凑手写了个静态的javascript版的。
具体就不详细说明了：
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代码:

<script language="JavaScript"> 

function setCookie(name, value, expires, path, domain, secure) { 

        var curCookie = name + "=" + escape(value) + 

                ((expires) ? "; expires=" + expires.toGMTString() : "") + 

                ((path) ? "; path=" + path : "/") + 

                ((domain) ? "; domain=" + domain : "") + 

                ((secure) ? "; secure" : "") 

document.cookie=curCookie; 

        } 

function getCookie(name) { 

        var prefix = name + "=" 

        var cookieStartIndex = document.cookie.indexOf(prefix) 

        if (cookieStartIndex == -1) 

                return null 

        var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length) 

        if (cookieEndIndex == -1) 

                cookieEndIndex = document.cookie.length 

        return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex)) 

} 

var now = new Date() 

now.setTime(now.getTime() + 6*1000) 

var jb51num=10; 

var visits = getCookie("jb51") 

if (!visits) 

        visits = 1 

else 

        visits = parseInt(visits) + 1 

if (visits>parseInt(jb51num)){ 

alert('没有内容'); 

location.href='http://www.jb51.net'; 

} 

setCookie("jb51", visits, now) 

</script>

<HTML> 
<HEAD> 
<META http-equiv='Content-Type' content='text/html; charset=gb2312'> 
<TITLE>客户端简单防采集</TITLE> 
</HEAD> 
<BODY ><script language="JavaScript"> 
function setCookie(name, value, expires, path, domain, secure) { 
        var curCookie = name + "=" + escape(value) + 
                ((expires) ? "; expires=" + expires.toGMTString() : "") + 
                ((path) ? "; path=" + path : "/") + 
                ((domain) ? "; domain=" + domain : "") + 
                ((secure) ? "; secure" : "") 
document.cookie=curCookie; 
        } 
function getCookie(name) { 
        var prefix = name + "=" 
        var cookieStartIndex = document.cookie.indexOf(prefix) 
        if (cookieStartIndex == -1) 
                return null 
        var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length) 
        if (cookieEndIndex == -1) 
                cookieEndIndex = document.cookie.length 
        return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex)) 
} 
var now = new Date() 
now.setTime(now.getTime() + 6*1000) 
var jb51num=10; 
var visits = getCookie("jb51") 
if (!visits) 
        visits = 1 
else 
        visits = parseInt(visits) + 1 
if (visits>parseInt(jb51num)){ 
alert('没有内容'); 
location.href='http://www.jb51.net'; 
} 
setCookie("jb51", visits, now) 
</script> 
</body></html>

提示：您可以先修改部分代码再运行

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