Twitter 協助程式與 ASP.NET Web Pages
重要
Twitter 協助程式已過時。 如需 Twitter 網站的最新參與工具，請參閱 Twitter for Websites Overview。
本主題和應用程式示範如何將 Twitter 協助程式新增至您的 WebMatrix 3 專案。 它包含 Twitter 協助程式程式碼，並示範如何呼叫協助程式方法。
Twitter.cshtml 檔案的這個程式碼是由 Microsoft 的一般移動流覽 所開發。
教學課程中使用的軟體版本
- ASP.NET Web Pages (Razor) 3
本教學課程也適用于 ASP.NET Web Pages 2。
簡介
本主題示範如何將 Twitter Helper 新增至您的應用程式，並使用 Razor 語法來呼叫協助程式方法。 Twitter 協助程式可讓您輕鬆地在應用程式中納入 Twitter 按鈕和小工具。 若要使用 Twitter 小工具，例如使用者的時程表或主題標籤的搜尋結果，您必須先 在 Twitter 上建立小工具。 建立小工具之後，您會收到小工具識別碼。呼叫顯示小工具的協助程式方法時，您會將此小工具識別碼當做參數傳遞。
本主題是針對 Twitter API 1.1 版所撰寫。 直接將 Twitter Helper 程式碼新增至您的專案，您可以在 Twitter API 變更時更新協助程式程式碼。
如需安裝 WebMatrix 的資訊，請參閱ASP.NET Web Pages 2 簡介 - 消費者入門。
將 Twitter 協助程式新增至您的專案
若要新增 Twitter 協助程式，請先將名為 App_Code 的資料夾新增至您的專案。 然後，建立名為 Twitter.cshtml 的檔案。
以下列程式碼取代 Twitter.cshtml 中的預設程式碼。
@* This Twitter helper is compatible with version 1.1 of the Twitter API. *@
@using System.Globalization
@* For more about the twitter follow button, please visit
https://dev.twitter.com/docs/follow-button *@
@helper FollowButton(
string userName,
bool showCount = false,
bool showUserName = true,
bool largeButton = false,
bool optOutOfTailoring = false,
string language = "",
bool alignLeft = true)
{
var showCountAttribute = new HtmlString(showCount ? "" : "data-show-count=\"false\"");
var showUserNameAttribute = new HtmlString(showUserName ? "" : "data-show-screen-name=\"false\"");
var largeButtonAttribute = new HtmlString(largeButton ? "data-size=\"large\"" : "");
var optOutOfTailoringAttribute = new HtmlString(optOutOfTailoring ? "data-dnt=\"true\"" : "");
var languageAttribute = new HtmlString(!language.IsEmpty() && !language.Equals("en", StringComparison.OrdinalIgnoreCase) ? String.Format(CultureInfo.InvariantCulture, " data-lang=\"" + HttpUtility.HtmlAttributeEncode(language) + "\"") : "");
var alignAttribute = new HtmlString(alignLeft ? "" : "data-align=\"right\"");
<a href="https://twitter.com/@HttpUtility.UrlEncode(userName)" class="twitter-follow-button" @showCountAttribute @showUserNameAttribute @largeButtonAttribute @optOutOfTailoringAttribute @languageAttribute @alignAttribute>Follow @@@userName)</a>
<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + '://platform.twitter.com/widgets.js'; fjs.parentNode.insertBefore(js, fjs); } }(document, 'script', 'twitter-wjs');</script>
}
@* For more about the tweet button, please visit https://dev.twitter.com/docs/tweet-button *@
@helper TweetButton(string url = "",
string tweetText = "",
bool showCount = true,
string via = "",
string recommend = "",
string hashtag = "",
bool largeButton = false,
bool optOutOfTailoring = false,
string language = "")
{
var urlAttribute = new HtmlString(url.IsEmpty() ? "" : String.Format(CultureInfo.InvariantCulture, " data-url=\"" + HttpUtility.HtmlAttributeEncode(url) + "\""));
var tweetTextAttribute = new HtmlString(tweetText.IsEmpty() ? "" : "data-text=\"" + HttpUtility.HtmlAttributeEncode(tweetText) + "\"");
var showCountAttribute = new HtmlString(showCount ? "" : "data-show-count=\"false\"");
var viaAttribute = new HtmlString(via.IsEmpty() ? "" : "data-via=\"" + HttpUtility.HtmlAttributeEncode(via) + "\"");
var recommendAttribute = new HtmlString(recommend.IsEmpty() ? "" : "data-related=\"" + HttpUtility.HtmlAttributeEncode(recommend) + "\"");
var hashtagAttribute = new HtmlString(hashtag.IsEmpty() ? "" : "data-hashtags=\"" + HttpUtility.HtmlAttributeEncode(hashtag) + "\"");
var largeButtonAttribute = new HtmlString(largeButton ? "data-size=\"large\"" : "");
var optOutOfTailoringAttribute = new HtmlString(optOutOfTailoring ? "data-dnt=\"true\"" : "");
var languageAttribute = new HtmlString(!language.IsEmpty() && !language.Equals("en", StringComparison.OrdinalIgnoreCase) ? String.Format(CultureInfo.InvariantCulture, " data-lang=\"{0}\"", HttpUtility.HtmlAttributeEncode(language)) : "");
<a href="https://twitter.com/share" class="twitter-share-button" @urlAttribute @tweetTextAttribute @showCountAttribute @viaAttribute @recommendAttribute @hashtagAttribute @largeButtonAttribute @optOutOfTailoringAttribute @languageAttribute>Tweet</a>
<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + '://platform.twitter.com/widgets.js'; fjs.parentNode.insertBefore(js, fjs); } }(document, 'script', 'twitter-wjs');</script>
}
@helper TimeLine(string userName,
string widgetId,
string theme = "",
string linkColor = "",
string language = "",
int? tweetLimit = null,
string relatedUsers = "",
string ariaPolite = "",
int? width = null,
int? height = null,
string title = "Tweets")
{
var themeAttribute = new HtmlString(theme.IsEmpty() ? "" : "data-theme=\"" + theme + "\"");
var linkColorAttribute = new HtmlString(linkColor.IsEmpty() ? "" : "data-link-color=\"" + linkColor + "\"");
var languageAttribute = new HtmlString(!language.IsEmpty() && !language.Equals("en", StringComparison.OrdinalIgnoreCase) ? String.Format(CultureInfo.InvariantCulture, " data-lang=\"{0}\"", HttpUtility.HtmlAttributeEncode(language)) : "");
var relatedUsersAttribute = new HtmlString(relatedUsers.IsEmpty() ? "" : "data-related=\"" + relatedUsers + "\"");
var ariaPoliteAttribute = new HtmlString(ariaPolite.IsEmpty() ? "" : "data-aria-polite=\"" + ariaPolite + "\"");
<a class="twitter-timeline" href="https://twitter.com/@userName" width="@width.ToString()" height="@height.ToString()" data-widget-id="@HttpUtility.HtmlEncode(widgetId)" @themeAttribute @linkColorAttribute @languageAttribute data-tweet-limit="@tweetLimit.ToString()" @relatedUsersAttribute @ariaPoliteAttribute>@title</a>
<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + "://platform.twitter.com/widgets.js"; fjs.parentNode.insertBefore(js, fjs); } }(document, "script", "twitter-wjs");</script>
}
@helper Profile(string userName,
string widgetId,
string theme = "",
string linkColor = "",
string language = "",
int? tweetLimit = null,
string relatedUsers = "",
string ariaPolite = "",
int? width = null,
int? height = null)
{
@Twitter.TimeLine(userName, widgetId, theme, linkColor, language, tweetLimit, relatedUsers, ariaPolite, width, height, "Tweets by @" + HttpUtility.HtmlEncode(userName));
}
@helper Faves(string userName,
string widgetId,
string theme = "",
string linkColor = "",
string language = "",
int? tweetLimit = null,
string relatedUsers = "",
string ariaPolite = "",
int? width = null,
int? height = null)
{
@Twitter.TimeLine(userName + "/favorites", widgetId, theme, linkColor, language, tweetLimit, relatedUsers, ariaPolite, width, height, "Favorite Tweets by @" + HttpUtility.HtmlEncode(userName));
}
@helper List(string userName,
string list,
string widgetId,
string theme = "",
string linkColor = "",
string language = "",
int? tweetLimit = null,
string relatedUsers = "",
string ariaPolite = "",
int? width = null,
int? height = null)
{
@Twitter.TimeLine(userName + "/" + list, widgetId, theme, linkColor, language, tweetLimit, relatedUsers, ariaPolite, width, height, "Tweets from @" + HttpUtility.HtmlEncode(userName) + "/" + HttpUtility.HtmlEncode(list));
}
@helper Search(string query,
string widgetId,
string theme = "",
string linkColor = "",
string language = "",
int? tweetLimit = null,
string relatedUsers = "",
string ariaPolite = "",
int? width = null,
int? height = null)
{
@Twitter.TimeLine("search?q=" + HttpUtility.UrlEncode(query), widgetId, theme, linkColor, language, tweetLimit, relatedUsers, ariaPolite, width, height, "Tweets about \"" + HttpUtility.HtmlEncode(query) + "\"");
}
從您的網頁呼叫 Twitter 方法
下列範例示範如何從專案中的頁面使用 Twitter Helper 方法。 在您的專案中，您會想要將參數值取代為與您需求相關的值。 您可以使用提供的 Widget 識別碼來探索方法的運作方式，但您會想要為專案產生自己的小工具。
並非所有如下所示的參數都是必要參數。 選擇性參數可用來自訂按鈕或小工具的顯示方式。 例如，追蹤按鈕只需要遵循使用者名稱，但範例示範如何包含粉絲數目，以及如何指定按鈕和語言的大小。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Show the Twitter Helper</title>
</head>
<body>
<h1>Twitter Buttons and Widgets</h1>
<h2>1. Follow Button</h2>
<p>@Twitter.FollowButton(userName: "aspnet", showCount: true, largeButton: false, language: "es")</p>
<h2>2. Tweet Button</h2>
<p>@Twitter.TweetButton(url: "http://www.asp.net/mvc", largeButton: true, hashtag: "awesome")</p>
<h2>3. User Timeline (Profile)</h2>
<p>@Twitter.Profile("aspnet", "370310677673422848")</p>
<h2>4. Favorites</h2>
<p>@Twitter.Faves("Microsoft", "372486349795753984")</p>
<h2>5. List</h2>
<p>@Twitter.List("MS_Consumer_Bands", "Microsoft", "372485258974748672")</p>
<h2>6. Search</h2>
<p>@Twitter.Search("#asp.net", "370310477957435392")</p>
</body>
</html>
查看結果
上述程式碼會產生下列按鈕和小工具。 這些按鈕和小工具是功能完整的，而不是螢幕擷取畫面。 [追蹤] 按鈕會以西班牙文顯示，因為語言參數設定為 es。
追蹤按鈕
Follow @aspnet)<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + '://platform.twitter.com/widgets.js'; fjs.parentNode.insertBefore(js, fjs); } }(document, 'script', 'twitter-wjs');</script>
推文按鈕
鳴叫<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + '://platform.twitter.com/widgets.js'; fjs.parentNode.insertBefore(js, fjs); } }(document, 'script', 'twitter-wjs');</script>
User Timeline (Profile)
Tweets by @aspnet<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + "://platform.twitter.com/widgets.js"; fjs.parentNode.insertBefore(js, fjs); } }(document, "script", "twitter-wjs");</script>
我的最愛
Favorite Tweets by Microsoft<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + "://platform.twitter.com/widgets.js"; fjs.parentNode.insertBefore(js, fjs); } }(document, "script", "twitter-wjs");</script>
List
Tweets from @Microsoft/MS\_Consumer\_Bands<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + "://platform.twitter.com/widgets.js"; fjs.parentNode.insertBefore(js, fjs); } }(document, "script", "twitter-wjs");</script>
搜尋
關於 「#asp.net」 的推文<script>!function (d, s, id) { var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https'; if (!d.getElementById(id)) { js = d.createElement(s); js.id = id; js.src = p + "://platform.twitter.com/widgets.js"; fjs.parentNode.insertBefore(js, fjs); } }(document, "script", "twitter-wjs");</script>
意見反應
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