Question

asp.net 保存cookies

如何使用asp.net保存cookies?网上找过很多保存cookies的代码 Response.Cookies["userinfo1"]["name"] = "mike"; Response.Cookies["userinfo1"]["last"] = "a"; Response.Cookies["userinfo1"].Expires = DateTime.MaxValue;但问题是一旦关闭这个页面,再打开就读取不到这个cookies了，请问怎么保存cookies过后能即使关闭了浏览器在下次访问的时候(用户没清空cookies的情况下)访问到这个cookies?

Answer 1

//----------写入Cookie
HttpCookie cookie = new HttpCookie("userinfo1");
cookie.Expires = System.DateTime.Now.AddMinutes(2);//设置过期时间
for (int i = 0; i < 20; i++)
{

cookie.Values["Val" +i.ToString()] = i.ToString();
Response.Cookies.Add(cookie);
}

//读取 Cookie 集合
for (int i = 0; i < Request.Cookies.Count; i++)
{
if (Request.Cookies.AllKeys == "userinfo1")
{

HttpCookie cookies = Request.Cookies["userInfo1"];
Response.Write("name=" + cookies.Name + "<br/>");
//Response.Write("name=" + cookies.Value + "<br/>");

if (cookies.HasKeys)//是否有子键
{
System.Collections.Specialized.NameValueCollection NameColl = cookies.Values;
for (int j = 0; j < NameColl.Count; j++)
{
Response.Write("子键名=" + NameColl.AllKeys + "<br/>");
Response.Write("子键值=" + NameColl + "<br/>");
}

}
else
{
Response.Write("value=" + cookies.Value + "<br/>");
}
}

}

Answer 2

我知道 想要答案加分

Answer 3

添加过期时间