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在ASP+中使用Cookie

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<%@ page language="vb" %>

<script language="vb" runat="server">

const cookie_name as string = "test-cookie-name"

const cookie_value as string = "test-cookie-value"

declare our cookie object

dim objcookieobject as httpcookie

sub btnsetcookie_onclick(sender as object, e as eventargs)

create a cookie object – im passing name and value,

but you can also pass in a name and set the value later.

ie. objcookieobject = new httpcookie(cookie_name)

objcookieobject = new httpcookie(cookie_name, cookie_value)

we already set these above!

objcookieobject.name = cookie_name

objcookieobject.value = cookie_value

additional cookie properties:

objcookieobject.expires = new datetime(2001, 12, 31, 23, 59, 59)

normally you can leave these alone.

the defaults will work fine for most uses.

objcookieobject.domain = "www.domain.com"

objcookieobject.path = "/path/"

objcookieobject.secure = true

response.appendcookie(objcookieobject)

end sub

sub btnremovecookie_onclick(sender as object, e as eventargs)

objcookieobject = new httpcookie(cookie_name)

expire it on the day i was born just so were sure its a date in the past.

objcookieobject.expires = new datetime(1974, 11, 12)

response.appendcookie(objcookieobject)

end sub

sub btngetcookie_onclick(sender as object, e as eventargs)

objcookieobject = request.cookies(cookie_name)

if not(objcookieobject = null) then

lblcookiedetails.text = objcookieobject.name

lblcookiedetailsname.text = objcookieobject.name

lblcookiedetailsvalue.text = objcookieobject.value

lblcookiedetailsexpires.text = objcookieobject.expires.tostring

lblcookiedetailsdomain.text = objcookieobject.domain

lblcookiedetailspath.text = objcookieobject.path

lblcookiedetailssecure.text = objcookieobject.secure.tostring

lblcookiedetailshaskeys.text = objcookieobject.haskeys.tostring

else

lblcookiedetails.text = "cookie not set!"

lblcookiedetailsname.text = ""

lblcookiedetailsvalue.text = ""

lblcookiedetailsexpires.text = ""

lblcookiedetailsdomain.text = ""

lblcookiedetailspath.text = ""

lblcookiedetailssecure.text = ""

lblcookiedetailshaskeys.text = ""

end if

im ignoring collections. theyre outside the realm of this basic sample.

fyi: additional properties related to cookie collections: values, item

end sub

</script>

<html>

<body>

<h4>the cookie name were using for this sample is: <em><%= cookie_name %></em></h4>

<form action="cookies.aspx" method="post" runat="server">

<asp:button type="submit" id="btnsetcookie" text="set cookie" onclick="btnsetcookie_onclick"

runat="server" />

<asp:button type="submit" id="btnremovecookie" text="remove cookie"

onclick="btnremovecookie_onclick" runat="server" />

<p>

to see the cookies current status youll need to click below. this is because the response

which adds or deletes the cookie happens after the request is already done. as such, those changes arent

available from the request collection until the next request.

</p>

<asp:button type="submit" id="btngetcookie" text="get cookie details"

onclick="btngetcookie_onclick" runat="server" />

</form>

<p>

<strong>details of:</strong> <asp:label id="lblcookiedetails" runat="server" />

</p>

<table border="1">

<thead>

<tr>

<th>property</th>

<th>value</th>

</tr>

</thead>

<tbody>

<tr>

<td>name</td>

<td><asp:label id="lblcookiedetailsname" runat="server" /></td>

</tr>

<tr>

<td>value</td>

<td><asp:label id="lblcookiedetailsvalue" runat="server" /></td>

</tr>

<tr>

<td>expires</td>

<td><asp:label id="lblcookiedetailsexpires" runat="server" /></td>

</tr>

<tr>

<td>domain</td>

<td><asp:label id="lblcookiedetailsdomain" runat="server" /></td>

</tr>

<tr>

<td>path</td>

<td><asp:label id="lblcookiedetailspath" runat="server" /></td>

</tr>

<tr>

<td>secure</td>

<td><asp:label id="lblcookiedetailssecure" runat="server" /></td>

</tr>

<tr>

<td>has keys</td>

<td><asp:label id="lblcookiedetailshaskeys" runat="server" /></td>

</tr>

</tbody>

</table>

</body>

</html>

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