以下是我刚刚完善的删除cookie的方法
/// <summary>
/// 删除Cookies
/// </summary>
/// <param name="CoName">Cookie的名称</param>
/// <param name="domain">Cookie的domain</param>
/// <returns>布尔类型</returns>
public static void DeleteCookie(string CoName, string domain)
{
if (HttpContext.Current.Request.Browser.Cookies)
{
if (HttpContext.Current.Request.Cookies[CoName] != null)
{
HttpCookie cookie = new HttpCookie(CoName);
cookie.Expires = DateTime.Now.AddYears(-5);
if (!string.IsNullOrEmpty(domain))
{
cookie.Domain = domain;
}
HttpContext.Current.Response.Cookies.Add(cookie);
}
}
//else
//{
// HttpContext.Current.Session[CoName] = "";
//}
}
当前域名为a.mydomain.com,mydomain.com域名下有个cookie名称为total的cookie,a.mydomain.com域名下有cookie名称为count的cookie。
不指定域名的情况下,只能删除当前域名下的cookie
DeleteCookie("total",""); 删除不掉total
DeleteCookie("count",""); 可以删除掉count
指定域名的话,也只能删除指定域名下的cookie
DeleteCookie("total","mydomain.com“); 可以删除掉total
DeleteCookie("count","mydomain.com“); 删除不掉count
两者结合的正确的用法
DeleteCookie("total","mydomain.com“);
DeleteCookie("count","");