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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>cookie</title>
</head>
<body>
<?php
setcookie('php_cookie','php_cookie');
echo isset($_COOKIE['js_cookie'])?$_COOKIE['js_cookie']:'暂无';
//echo $_COOKIE['js_cookie']??'暂无';
?>
<hr>
<script type="text/javascript">
var Cookies = {};
/** 设置Cookies */
Cookies.set = function(name, value){
var argv = arguments;
var argc = arguments.length;
var expires = (argc > 2) ? argv[2] : null;
if(expires != null){
var exp = new Date();
exp.setTime(exp.getTime() + 8*3600 + expires);
}
//alert(exp.toGMTString());
var path = (argc > 3) ? argv[3] : '/';
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + exp.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
};
/** 读取Cookies */
Cookies.get = function(name){
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
var j = 0;
while(i < clen){
j = i + alen;
if (document.cookie.substring(i, j) == arg)
return Cookies.getCookieVal(j);
i = document.cookie.indexOf(" ", i) + 1;
if(i == 0)
break;
}
return null;
};
/** 清除Cookies */
Cookies.clear = function(name) {
if(Cookies.get(name)){
var expdate = new Date();
expdate.setTime(expdate.getTime() - (86400 * 1000 * 1));
Cookies.set(name, "", expdate);
}
};
Cookies.getCookieVal = function(offset){
var endstr = document.cookie.indexOf(";", offset);
if(endstr == -1){
endstr = document.cookie.length;
}
return unescape(document.cookie.substring(offset, endstr));
};
/**-----------------------------------------------*/
Cookies.set('js_cookie','js_cookie');
document.write(Cookies.get('php_cookie'));
</script>
</body>
</html>第一次执行结果：
第二次执行结果：
-------------------------------------------
tips：
js读取php的中文cookie需要 "decodeURIComponent (escape( )) "函数处理
php读取js的中文cookie需要 "unescape( )" 函数处理
----------------------------------------------
如果只是要在js中使用，可以用下面的方法：
1，localStorage.setItem("cookie", 123);//保存cookie
2，localStorage.getItem("cookie");//获取cookie值
3，localStorage.removeItem("cookie");//清除cookie值
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