| <%@ 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 - I'm 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 we're sure it's 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 ' I'm ignoring collections. They're 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 we're 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 cookie's current status you'll 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 aren't 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> 注意：联系我时，请一定说明是从【S】看到的信息，谢谢。 |
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