结合使用 Twitter API v1.1 和 OAuth:检索用户时间线指南
由于 Twitter API v1 已弃用,因此过渡到 API v1.1 对于继续访问 Twitter 服务至关重要。本教程演示如何使用 OAuth 进行身份验证并通过 HttpWebRequest
.
OAuth 身份验证:步骤和过程
Basic {Base64-Encoded(ConsumerKey:ConsumerSecret)}
.https://api.twitter.com/oauth2/token
。 请求必须包含身份验证标头和带有 grant_type=client_credentials
.检索用户时间线:分步方法
https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name={ScreenName}&include_rts=1&exclude_replies=1&count=5
.HttpWebRequest
对象。HttpWebRequest
对象执行 HTTP GET 请求。代码示例
以下代码说明了身份验证和时间线检索过程:
<code class="language-csharp">string oAuthConsumerKey = "superSecretKey"; string oAuthConsumerSecret = "superSecretSecret"; string oAuthUrl = "https://api.twitter.com/oauth2/token"; string screenName = "aScreenName"; // ... // OAuth Authentication string authHeaderFormat = "Basic {0}"; string authHeader = string.Format(authHeaderFormat, Convert.ToBase64String(Encoding.UTF8.GetBytes(Uri.EscapeDataString(oAuthConsumerKey) + ":" + Uri.EscapeDataString(oAuthConsumerSecret)))); string postBody = "grant_type=client_credentials"; HttpWebRequest authRequest = (HttpWebRequest)WebRequest.Create(oAuthUrl); authRequest.Headers.Add("Authorization", authHeader); authRequest.Method = "POST"; authRequest.ContentType = "application/x-www-form-urlencoded;charset=UTF-8"; authRequest.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate; // ... (Send POST request and handle response as before) ... // Retrieve User Timeline string timelineFormat = "https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name={0}&include_rts=1&exclude_replies=1&count=5"; string timelineUrl = string.Format(timelineFormat, screenName); HttpWebRequest timelineRequest = (HttpWebRequest)WebRequest.Create(timelineUrl); string timelineHeaderFormat = "{0} {1}"; timelineRequest.Headers.Add("Authorization", string.Format(timelineHeaderFormat, twitAuthResponse.token_type, twitAuthResponse.access_token)); timelineRequest.Method = "GET"; // ... (Send GET request and handle response as before) ... // ... (TwitAuthenticateResponse class remains the same) ...</code>
这份综合指南使您能够使用 OAuth 将 Twitter API v1.1 无缝集成到您的应用程序中,以实现安全高效的数据检索。
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