在 ASP.NET Core 2.2 Web API 中,我希望能够CookieContainer从命名访问HttpClient,但不确定如何配置它。
在 Startup.cs 中:
services
.AddHttpClient("MyClient")
.ConfigurePrimaryHttpMessageHandler(() => new HttpClientHandler
{
UseProxy = false,
//CookieContainer = ???
});
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在控制器中:
public MyController(IOptions<IHttpClientFactory httpClientFactory)
{
_httpClientFactory = httpClientFactory;
}
public async Task<ObjectResult> Get<T>(string endpoint)
{
var httpClient = _httpClientFactory.CreateClient("MyClient");
var response = await httpClient.GetAsync($"{Settings.Url}/{endpoint}");
//httpClient.CookieContainer ???
}
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仅使用 的实例HttpClient并将 aCookieContainer与其相关联时,这是非常直接的MessageHandler,例如:
var cookieContainer = new CookieContainer();
var handler = new HttpClientHandler() { CookieContainer = cookieContainer };
var client = new HttpClient(handler) { BaseAddress = "http://foo.com/api"}
var result = await client.PostAsync("", content);
//read response cookies
var cookies = cookieContainer.GetCookies(new Uri("http://foo.com/api"));
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想知道如何读取响应 cookie 但通过HttpClient使用IHttpClientFactory.
这不是CookieContainer实例,但您可以在响应标头中访问原始 cookie:
var cookies = response.Headers.GetValues("Set-Cookie");
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您可以尝试使用打开的Mozilla 开发工具在浏览器中调用您的请求,看看它是否确实存在。
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