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标题: .net Cookie的操作 [打印本页]

作者: Adam丶鱼 时间: 2020-6-17 18:10
标题: .net Cookie的操作
using System;
using System.Collections.Generic;
using System.Web;

namespace Zhong.Core
{
/// <summary>
/// Cookie操作类
/// </summary>
public class CookieHelper
{
      private static readonly string CookieName = "Zhong";
      /// <summary>
      /// 设置Cookie
      /// </summary>
      /// <param name="name">名称</param>
      /// <param name="values">键/值对</param>
      /// <param name="expires">过期超时时间(秒)，为0时不设置过期时间</param>
      /// <param name="domain">域名</param>
      /// <param name="path">路径</param>
      public static void SetCookie(string name, Dictionary<string, string> values, int expires, string domain = null, string path = null)
      {
         HttpCookie cookie = HttpContext.Current.Response.Cookies[name];
         if (cookie == null)
         {
            cookie = new HttpCookie(name);
         }
         foreach (KeyValuePair<string, string> kv in values)
         {
            cookie.Values.Add(kv.Key, kv.Value);
         }
         if (domain != null)
         {
            cookie.Domain = domain;
         }
         if (path != null)
         {
            cookie.Path = path;
         }
         if (expires != 0)
         {
            cookie.Expires = DateTime.Now.AddSeconds(expires);  //过期时间
         }
         HttpContext.Current.Response.Cookies.Add(cookie);
      }
      /// <summary>
      /// 设置Cookie
      /// </summary>
      /// <param name="key">键</param>
      /// <param name="value">值</param>
      public static void SetCookie(string key, string value)
      {
         SetCookie(CookieName, new Dictionary<string, string> { { key, value } }, 0);
      }
      /// <summary>
      /// 根据名称与键读取Cookie
      /// </summary>
      /// <param name="name">名称</param>
      /// <param name="key">键</param>
      /// <returns></returns>
      public static string GetCookie(string name, string key)
      {
         string returnVal = null;
         HttpCookie cookie = HttpContext.Current.Request.Cookies[name];
         if (cookie != null)
         {
            returnVal = cookie[key];
         }
         return returnVal;
      }
      /// <summary>
      /// 根据键读取Cookie
      /// </summary>
      /// <param name="key">键</param>
      /// <returns></returns>
      public static string GetCookie(string key)
      {
         return GetCookie(CookieName, key);
      }
      /// <summary>
      /// 根据名称获取Cookie
      /// </summary>
      /// <param name="name">名称</param>
      /// <returns></returns>
      public static string GetCookieByName(string name)
      {
         string returnVal = null;
         HttpCookie cookie = HttpContext.Current.Request.Cookies[name];
         if (cookie!= null)
         {
            returnVal = cookie.Value;
         }
         return returnVal;
      }
      /// <summary>
      /// 删除Cookie
      /// </summary>
      /// <param name="name">名称</param>
      public static void DeleteCookie(string name)
      {
         HttpCookie cookie = HttpContext.Current.Response.Cookies[name];
         if (cookie != null)
         {
            cookie.Expires = DateTime.Now.AddYears(-1);
            cookie.Values.Clear();
         }
         HttpContext.Current.Response.Cookies.Add(cookie);
      }
}
}

作者: Adam丶鱼 时间: 2020-6-17 18:10

作者: fteair 时间: 2020-6-18 09:27

作者: 张兴康 时间: 2020-6-18 14:12

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