C# CookieContainer 可以像Cookie那样设置存储时长吗

麻辣麻辣香锅QAQ 2019-01-08 02:39:39

用C#编写的程序模拟登录网站后台，想让这个程序关了之后再次开启时还能保持登录状态；我的Cookie 是用CookieContainer类型；像求教下大佬们能不能实现，或者能提供一个小demo；小生万分感谢！！

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左耳边的期盼 2019-01-29

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十分感谢，领教了！

吹风的兔子 2019-01-23

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引用 4 楼左耳边的期盼的回复:

@吹风的兔子我也遇到这个问题了在进行遍历反序列化的时候出现错误可以吧你的大致代码贴出来吗？大家互相学习下可以吗？或者发我QQ：1639624564 感谢啦！

代码在楼上，请查收。

吹风的兔子 2019-01-23

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    /// <summary>
    /// .Net 内置 Cookie 不支持序列化, 所以需要一个 可序列化的 Cookie 实例
    /// </summary>
    [Serializable]
    internal class HttpCookieInfo
    {
        private string m_Name = string.Empty;
        private string m_Value = string.Empty;
        private string m_Path = string.Empty;
        private string m_Domain = string.Empty;
        private DateTime m_Expires = DateTime.MinValue;

        public string Name
        {
            get { return m_Name; }
            set { m_Name = (value ?? string.Empty).Trim(); }
        }
        public string Value
        {
            get { return m_Value; }
            set { m_Value = (value ?? string.Empty).Trim(); }
        }
        public string Path
        {
            get { return m_Path; }
            set { m_Path = (value ?? string.Empty).Trim(); }
        }
        public string Domain
        {
            get { return m_Domain; }
            set { m_Domain = (value ?? string.Empty).Trim(); }
        }
        public DateTime Expires
        {
            get { return m_Expires; }
            set { m_Expires = value; }
        }


        public override string ToString()
        {
            return string.Format("{0}={1}", this.Name, this.Value);
        }
        public static string JoinCookie(List<HttpCookieInfo> listCookie)
        {
            if (listCookie == null || listCookie.Count <= 0) return string.Empty;

            HttpSimpDict<string, HttpCookieInfo> hashTemp = new HttpSimpDict<string, HttpCookieInfo>();
            foreach (HttpCookieInfo cookieInfo in listCookie)
                if (cookieInfo != null) hashTemp[cookieInfo.Name] = cookieInfo;

            List<HttpCookieInfo> listTemp = new List<HttpCookieInfo>(hashTemp.Values);
            //string result = string.Join("; ", listTemp.Select(x => x.Express)); //N40String.Join("; ", N40IList.Select(listTemp, (x => x.Express)));
            string result = string.Join("; ", listTemp.Select(x => string.Format("{0}={1}", x.Name, x.Value))); //N40String.Join("; ", N40IList.Select(listTemp, (x => string.Format("{0}={1}",x.Name,x.Value))));
            return result;
        }
    }


        private static object FileDeserialize(string path, bool withZip)
        {
            if (!System.IO.File.Exists(path)) return null;

            try
            {
                BinaryFormatter myBf = new BinaryFormatter();
                using (FileStream myFs = new FileStream(path, FileMode.Open, FileAccess.Read))
                {
                    Stream stream = withZip ? (Stream)new GZipStream(myFs, CompressionMode.Decompress) : (Stream)myFs;

                    object record = null;
                    try { record = myBf.Deserialize(stream); }
                    finally { stream.Close(); stream.Dispose(); }
                    return record;
                }
            }
            catch (Exception exp)
            {
                //throw new Exception(string.Format("读取磁盘序列化失败: {0}", exp.Message));
                return null;
            }
        }
        private static bool FileSerialize(string path, object record, bool withZip)
        {
            //if (!System.IO.File.Exists(path)) return false;

            try
            {
                System.IO.Directory.CreateDirectory(path);
                BinaryFormatter myBf = new BinaryFormatter();
                using (FileStream myFs = new FileStream(path, FileMode.Create, FileAccess.ReadWrite))
                {
                    Stream stream = withZip ? (Stream)new GZipStream(myFs, CompressionMode.Compress) : (Stream)myFs;

                    try { myBf.Serialize(stream, record); }
                    finally { stream.Close(); stream.Dispose(); }
                }
                return true;
            }
            catch (Exception exp)
            {
                //throw new Exception(string.Format("写入磁盘序列化失败: {0}", exp.Message));
                return false;
            }
        }




                //如果 设置了 CookieContainer 就不能用 Headers 设置Cookie
               //将 磁盘文件 反序列化 成 Cookie对象集合
                List<HttpCookieInfo> listCookie = (List<HttpCookieInfo>)FileDeserialize(@"D:\AAAA.cookie");

                //string joinCookie = HttpCookieInfo.JoinCookie(listCookie);
                //if (!String.IsNullOrWhiteSpace(joinCookie))
                //    request.Headers[HttpRequestHeader.Cookie] = joinCookie;

                //将 Cookie对象集合 添加到 HttpWebRequest 请求中
                if (listCookie != null && listCookie.Count >= 1)
                {
                    foreach (HttpCookieInfo cookieInfo in listCookie)
                    {
                        Cookie cookie = new Cookie(cookieInfo.Name, cookieInfo.Value, cookieInfo.Path, cookieInfo.Domain);
                        cookie.Expires = cookieInfo.Expires;
                        request.CookieContainer.Add(cookie);
                    }
                }

左耳边的期盼 2019-01-13