javascript - ASP.NET Core CookieConsent 设置未定义

Question

我正在使用内置的 ASP.NET Core CookieConsent 功能，无需修改:

public void ConfigureServices(IServiceCollection services)
{
    services.Configure<CookiePolicyOptions>(options =>
    {
        // This lambda determines whether user consent for non-essential cookies is needed for a given request.
        options.CheckConsentNeeded = context => true;
        options.MinimumSameSitePolicy = SameSiteMode.None;
    });

    services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
}

使用客户端 JavaScript:

 <script>
        (function () {
            document.querySelector("#cookieConsent button[data-cookie-string]").addEventListener("click", function (el) {
                document.cookie = el.target.dataset.cookieString;
                document.querySelector("#cookieConsent").classList.add("hidden");
            }, false);
        })();
  </script>

当部署到生产环境时，行为随机:有时 cookie 获得正确的名称，有时 cookie 获得未定义。经过一些调查，data-cookie-string=".AspNet.Consent=yes;expires=Sat, 10 Oct 2020 09:56:49 GMT; path=/; secure; samesite=lax">始终相同(更改日期除外)，问题似乎与 document.cookie 命令有关。

浏览器(Google Chrome 最新版本)存储空名称和未定义值的 cookie。

有人经历过这样的行为吗？谢谢

Answer 1

expires= 日期格式似乎有问题。本次测试解决了问题:

<script>
    (function () {
        document.querySelector("#cookieConsent button[data-cookie-string]").addEventListener("click", function (el) {

            var now = new Date();
            var expires = (new Date(now.getFullYear() + 1, 12, 31).toUTCString());

            document.cookie = '.AspNet.Consent=yes;expires=' + expires  + ';path=/;';                  
            document.querySelector("#cookieConsent").classList.add("hidden");
        }, false);
    })();
</script>