存入cookie

if (Request.Cookies.AllKeys.Contains(loginInfo))

{

//如果cookie存在，更新cookie信息

HttpCookie hc = Request.Cookies[loginInfo];

hc.Value = Base64Helper.ToBase64Str(JsonConvert.SerializeObject(admin));

hc.Expires = DateTime.Now.AddDays(30);

Response.Cookies.Add(hc);

}

else

{

//如果cookie不存在，创建新的cookie信息

HttpCookie hc = new HttpCookie(loginInfo, Base64Helper.ToBase64Str(JsonConvert.SerializeObject(admin)));

hc.Expires = DateTime.Now.AddDays(30);

Response.Cookies.Add(hc);

}

清除登录cookie

/// <summary>

/// 清除登陆cookie信息

/// </summary>

public void ClearLoginCookie()

{

Session.Clear();

foreach (var item in Request.Cookies.AllKeys)

{

if (item == loginInfo)

{

HttpCookie hc = Response.Cookies[item];

hc.Expires = DateTime.Now.AddYears(-30);

Response.Cookies.Add(hc);

}

}

}

#region 清除所有cookie信息

/// <summary>

/// 清除所有cookie信息

/// </summary>

public void ClearAllCookie()

{

Session.Clear();

foreach (var item in Request.Cookies.AllKeys)

{

Response.Cookies[item].Expires.AddYears(-30);

}

}

#endregion