需要注意HttpOnly,Path等屬性。完整的測試代碼：
ASPX 代碼<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server">
PRotected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { HttpCookie Cookie = new HttpCookie("user"); Cookie.Values.Add("name", "mxh"); Cookie.Values.Add("id", "net_lover"); Cookie.Expires = DateTime.Now.AddDays(1); Cookie.HttpOnly = false; Cookie.Path = "/"; Response.Cookies.Add(Cookie); } }
protected void Button1_Click(object sender, EventArgs e) { if (Request.Cookies["user"] == null) { Response.Write("已經(jīng)刪除"); } else { Response.Write("Cookie值： " + Request.Cookies["user"]["name"]); }
}</script><html xmlns="http://www.w3.org/1999/xhtml"><head> <title>dotnet.aspx.cc Cookie 測試</title> <script type="text/Javascript"> function deleteCookie() { var expires = new Date(); expires.setUTCFullYear(expires.getUTCFullYear() - 1); document.cookie = "user=name=&id=; expires=" + expires.toUTCString() + "; path=/"; } </script></head><body> <form id="form1" runat="server"> <input type="button" value="刪除" onclick="deleteCookie()" /> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="查看Cookie" /> </form></body></html>
作者：孟憲會(huì)
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