zoukankan      html  css  js  c++  java
  • cookie 操作(转载)

    /**
     * Create a cookie with the given name and value and other optional parameters.
     *
     * @example $.cookie('the_cookie', 'the_value');
     * @desc Set the value of a cookie.
     * @example $.cookie('the_cookie', 'the_value', {expires: 7, path: '/', domain: 'jquery.com', secure: true});
     * @desc Create a cookie with all available options.
     * @example $.cookie('the_cookie', 'the_value');
     * @desc Create a session cookie.
     * @example $.cookie('the_cookie', null);
     * @desc Delete a cookie by passing null as value.
     *
     * @param String name The name of the cookie.
     * @param String value The value of the cookie.
     * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
     * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
     *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
     *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
     *                             when the the browser exits.
     * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
     * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
     * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
     *                        require a secure protocol (like HTTPS).
     * @type undefined
     *
     * @name $.cookie
     * @cat Plugins/Cookie
     * @author Klaus Hartl/klaus.hartl@stilbuero.de
     */
    
    /**
     * Get the value of a cookie with the given name.
     *
     * @example $.cookie('the_cookie');
     * @desc Get the value of a cookie.
     *
     * @param String name The name of the cookie.
     * @return The value of the cookie.
     * @type String
     *
     * @name $.cookie
     * @cat Plugins/Cookie
     * @author Klaus Hartl/klaus.hartl@stilbuero.de
     */
    jQuery.cookie = function(name, value, options) {
        if (typeof value != 'undefined') { // name and value given, set cookie
            options = options || {};
            if (value === null) {
                value = '';
                options.expires = -1;
            }
            var expires = '';
            if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
                var date;
                if (typeof options.expires == 'number') {
                    date = new Date();
                    date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
                } else {
                    date = options.expires;
                }
                expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
            }
            var path = options.path ? '; path=' + options.path : '';
            var domain = options.domain ? '; domain=' + options.domain : '';
            var secure = options.secure ? '; secure' : '';
            document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
        } else { // only name given, get cookie
            var cookieValue = null;
            if (document.cookie && document.cookie != '') {
                var cookies = document.cookie.split(';');
                for (var i = 0; i < cookies.length; i++) {
                    var cookie = jQuery.trim(cookies[i]);
                    // Does this cookie string begin with the name we want?
                    if (cookie.substring(0, name.length + 1) == (name + '=')) {
                        cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                        break;
                    }
                }
            }
            return cookieValue;
        }
    };
  • 相关阅读:
    3D游戏常用技巧Normal Mapping (法线贴图)原理解析——高级篇
    [工作积累] OpenGL ES3.0: glInvalidateFramebuffer
    引擎设计跟踪(九.14.2c) 最近一些小的更新
    引擎设计跟踪(九.14.2b) 骨骼动画基本完成
    最近在玩的游戏
    引擎设计跟踪(九.14.2a) 导出插件问题修复和 Tangent Space 裂缝修复
    [工作积累] Google/Amazon平台的各种坑
    [工作积累] NDK通过Java获取package name 和version
    [工作记录] Android OpenSL ES: references & AAC related
    [工作记录] Android OpenGL ES: non-square texture
  • 原文地址:https://www.cnblogs.com/icelin/p/3626103.html
Copyright © 2011-2022 走看看