ASP.NET Core/Razor Pages Cookie 同意，“上下文”在当前上下文中不存在-解网

问：

我有一个托管在 Azure 上的 ASP.Net Razor 网站。使用此链接设置 Cookie 同意策略：https://learn.microsoft.com/en-us/aspnet/core/security/gdpr?view=aspnetcore-7.0。

但是，我在这里收到一个错误：

 var consentFeature = Context.Features.Get<ITrackingConsentFeature>();

名称“Context”在当前上下文中不存在。我读到的任何地方都暗示它应该在我的项目中可用，我的页面在共享文件夹中，我正在运行 ASP.Net Core 7.0。我的完整代码如下：

@page
@model MYCompany.Pages.IndexPortalModel
@{
}

@using Microsoft.AspNetCore.Http.Features

@{
    var consentFeature = Context.Features.Get<ITrackingConsentFeature>();
    var showBanner = !consentFeature?.CanTrack ?? false;
    var cookieString = consentFeature?.CreateConsentCookie();
}

@if (showBanner)
{
    <div id="cookieConsent" class="alert alert-info alert-dismissible fade show" role="alert">
        Use this space to summarize your privacy and cookie use policy. <a asp-page="/Privacy">Learn More</a>.
        <button type="button" class="accept-policy close" data-bs-dismiss="alert" aria-label="Close" data-cookie-string="@cookieString">
            <span aria-hidden="true">Accept</span>
        </button>
    </div>
    <script>
        (function () {
            var button = document.querySelector("#cookieConsent button[data-cookie-string]");
            button.addEventListener("click", function (event) {
                document.cookie = button.dataset.cookieString;
            }, false);
        })();
    </script>
}

我尝试用 HttpContext 替换它，它摆脱了错误，但在页面加载时为 null。我检查了所有文章和 ChatGPT，一切都表明 Context 应该可用。我完全按照文章进行了操作，添加了程序.CS，布局等，请帮助并谢谢。

asp.net asp.net-core cookie razor cookieconsent

@page
@model WebAppRazor.Pages.Clients.IndexModel
@using Microsoft.AspNetCore.Http.Features

@{
    var consentFeature = HttpContext.Features.Get<ITrackingConsentFeature>();
    // var consentFeature = Context.Features.Get<ITrackingConsentFeature>();
    var showBanner = !consentFeature?.CanTrack ?? false;
    var cookieString = consentFeature?.CreateConsentCookie();
}

<div>
    @if (showBanner)
    {
        <div>@consentFeature.CanTrack</div>
        <div>@consentFeature.HasConsent</div>
        <div id="cookieConsent" class="alert alert-info alert-dismissible fade show" role="alert">
            Use this space to summarize your privacy and cookie use policy. <a asp-page="/Privacy">Learn More</a>.
            <button type="button" class="accept-policy close" data-bs-dismiss="alert" aria-label="Close" data-cookie-string="@cookieString">
                <span aria-hidden="true">Accept</span>
            </button>
        </div>
        <script>
            (function () {
                var button = document.querySelector("#cookieConsent button[data-cookie-string]");
                button.addEventListener("click", function (event) {
                    document.cookie = button.dataset.cookieString;
                }, false);
            })();
        </script>
    }
</div>

ASP.NET Core/Razor Pages Cookie 同意，“上下文”在当前上下文中不存在

ASP.NET Core/Razor Pages Cookie Consent, 'Context' Does not exist in current context

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