js中的cookie操作！_var bikky = document.cookie;-优快云博客

本文链接：https://blog.youkuaiyun.com/dxnn520/article/details/9499403

本文深入解析JavaScript中的Cookie操作，包括写入、读取和删除Cookie的方法，并提供了实例演示。

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    <script type="text/javascript">

        function clickee() {
            var name = getCookie("res_name");
            alert(name);
        }
        function getCookie(name) {
            //获得cookie
            var bikky = document.cookie;
            alert(bikky);
            name += "=";
            var i = 0;
            //如果cookie 不为空则 循环截取出 相应 名称 的cookie值
            while (i < bikky.length) {
                var offset = i + name.length;
                if (bikky.substring(i, offset) == name) {
                    var endstr = bikky.indexOf(";", offset);
                    if (endstr == -1) endstr = bikky.length;
                    return unescape(bikky.substring(offset, endstr));
                }
                i = bikky.indexOf(" ", i) + 1;
                if (i == 0) break;
            }
            return null;
        }





    </script>

js中的cookie写入操作！

    <script type="text/javascript">
        $(function () {
            $("#listbox1").ligerListBox({
                isShowCheckBox: true, isMultiSelect: false,
                data: [
                    { text: '张三', id: '1' },
                    { text: '李四', id: '2' },
                    { text: '赵武2', id: '3' },
                    { text: '赵武3', id: '4' },
                    { text: '赵武4', id: '5' },
                    { text: '赵武5', id: '6' },
                    { text: '赵武6', id: '7' },
                    { text: '赵武7', id: '8' }
                ], valueFieldID: 'test3'
            });
        });
        function clickee() {
            var name = getCookie("res_name");
            alert(name);
        }
        function setValue() {
            var name = $("#test3").val();
            addCookie("res_name", name, 0);
            alert("添加cookie成功");
        }
        function setOther() {
            top.f_addTab(null, '查看cookie', '../cookie_view.aspx')
        }


        function addCookie(objName, objValue, objHours) {

           //判断是否已存在相同名称的cookie 存在则删除
            //if (chkcookies(objName)) {

            //    var date = new Date();
            //    date.setTime(date.getTime() - 10000);
            //    document.cookie = objName + "=" + objValue + "; expires=" + date.toGMTString();
            //}


         




            var str = objName + "=" + escape(objValue);


            //path=/";      (path是非必须的，但如果没有path=/，则在根目录下无法读取子目录下的cookies。
            //str+="; path="+"/";

             //为0时不设定过期时间,浏览器关闭时Cookie自动消失
            if (objHours > 0) {
                var date = new Date();
                var ms = objHours * 3600 * 1000;
                date.setTime(date.getTime() + ms);
                str += "; expires=" + date.toGMTString();
            }
            //添加cookie 
            document.cookie = str;
            alert("添加Cookie成功10101");
            //alert(getCookie(objName) + "------------------");
            //alert("添加Cookie成功");

        }
        function getCookie(name) {
            //获得cookie
            var bikky = document.cookie;
            name += "=";
            var i = 0;
            //如果cookie 不为空则 循环截取出 相应 名称 的cookie值
            while (i < bikky.length) {
                var offset = i + name.length;
                if (bikky.substring(i, offset) == name) {
                    var endstr = bikky.indexOf(";", offset);
                    if (endstr == -1) endstr = bikky.length;
                    return unescape(bikky.substring(offset, endstr));
                }
                i = bikky.indexOf(" ", i) + 1;
                if (i == 0) break;
            }
            return null;
        }



    </script>