JS写Cookie


        function writeCookie() {
            var today = new Date();
            today.setDate(today.getDate() + 1);
            document.cookie = 'userName=商商;Expires=' + today.toGMTString();//js进行设置过期时间时,只支持这种日期转码
        }

        function readyCookie() {


            var cookie = document.cookie;
            alert(cookie);
            var array = cookie.split(';');
            for (var item in array)
            {
                var array1 = array[item].split('=');
                for (var item1 in array1)
                {
                    if (array1[item1] = 'userName')
                    {
                      // alert(array1[item1]);
                       alert(array1[0]);
                      //return;
                    }
                }
            }
        }

    </script>

</head>
<body>
    <input id="Button1" type="button" value="写入Cookie" onclick="writeCookie()" />
    <input id="Button2" type="button" value="读出Cookie" onclick="readyCookie()" />
</body>
</html>

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原文地址：https://www.cnblogs.com/xinyuyuanm/p/3024942.html