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Cookie只能点赞一次,获取IP地址

2016-06-11 13:40 363 查看

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Cookie只能点赞一次,获取IP地址</title>
<script type="text/javascript" src="http://www.coding123.net/getip.ashx?js=1"></script>
<script type="text/javascript">
//设置cookie
function setCookie(key, value) {
document.cookie = key + "=" + escape(value);
}
//获取cookie的值
function getCookie(key) {
if (document.cookie.length) {
var cookies = ' ' + document.cookie;
var start = cookies.indexOf(' ' + key + '=');
if (start == -1) { return null; }
var end = cookies.indexOf(";", start);
if (end == -1) { end = cookies.length; }
end -= start;
var cookie = cookies.substr(start,end);
return unescape(cookie.substr(cookie.indexOf('=') + 1, cookie.length - cookie.indexOf('=') + 1));
}
else { return null; }
}
//根据点击传进来的id
function comment(id){
if(getCookie(id)==null){
setCookie(id,"传的网址");
// setCookie(id,"http://act.13322.com");   setCookie(id,"http://act.13322.com/euro/index.html");
alert("设置cookie成功");
}else{
if(getCookie(id)=="传的网址"){
//if(getCookie(id)=="http://act.13322.com" ||  getCookie(id)=="http://act.13322.com/euro/index.html")
alert("您已经点评过了");
return;
}
}
//这里是你自己的逻辑 通过ajax保存到数据库的数值
}

alert(ip)
</script>

</head>

<body>
<button onclick="comment('传的网址')">点赞</button>
</body>
</html>

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