ajax - 更新中 text in JavaServer Faces 2 + PrimeFaces 3.3.1</h1> <div id="body"><p>Is it possible to periodically update the text of the <code><title></code> of a page? For example with <code><p:poll></code&</a></h1> </div> <div class="d-flex fw-wrap pb8 mb16 bb bc-black-075" style="font-size:14px;margin-top:10px;"> <div class="flex--item ws-nowrap mr16 mb8" title="2022-04-17 15:46:40Z" > <span class="fc-light mr2">翻译自：<a href="https://stackoverflow.com/questions/11153010" style="margin-right:20px;text-decoration:underline;" rel="nofollow">https://stackoverflow.com/questions/11153010</a></span> <time itemprop="dateCreated" datetime="2012-06-22T08:52:34.413">2012-06-22T08:52:34.413</time> </div> <div class="flex--item ws-nowrap mb8" title="Viewed 6 times"> <span class="fc-light mr2"></span> 570 次 </div> </div> <div id="mainbar" role="main" aria-label="question and answers"> <div class="question" data-questionid="4" data-position-on-page="0" data-score="763" id="question"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container d-flex jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="4"> <button 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width="19" height="18" viewBox="0 0 19 18"><path d="M3 9a8 8 0 1 1 3.73 6.77L8.2 14.3A6 6 0 1 0 5 9l3.01-.01-4 4-4-4h3L3 9Zm7-4h1.01L11 9.36l3.22 2.1-.6.93L10 10V5Z"></path></svg></a><div id="--stacks-s-tooltip-abwmy15k" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">Show activity on this post.<div class="s-popover--arrow"></div></div> </div> </div> <div class="postcell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"> </div> <div class="mt24 mb12"> <div class="post-taglist d-flex gs4 gsy fd-column"> <div class="d-flex ps-relative fw-wrap"> <a href="/tags/ajax" class="post-tag js-gps-track" title="show questions tagged 'ajax'" rel="tag">ajax</a><a href="/tags/jsf" class="post-tag js-gps-track" title="show questions tagged 'jsf'" rel="tag">jsf</a><a href="/tags/primefaces" class="post-tag js-gps-track" title="show questions tagged 'primefaces'" rel="tag">primefaces</a> </div> </div> </div> </div> <span class="d-none" itemprop="commentCount">4</span> </div> </div> <div class="js-zone-container zone-container-responsive"> <div id="dfp-isb" class="everyonelovesstackoverflow everyoneloves__inline-sidebar mx-auto" style="min-height: auto; height: auto; display: none;"></div> <div class="js-report-ad-button-container mx-auto" style="width: 300px"></div> </div> <div id="answers"> <a name="tab-top"></a> <div id="answers-header"> <div class="answers-subheader d-flex ai-center mb8"> <div class="flex--item fl1"> <h2 class="mb0" data-answercount=""> 1 に答える <span style="display:none;" itemprop="answerCount">1</span> </h2> </div> </div> </div> <a name="7"></a> <div id="answer-7" class="answer js-answer accepted-answer" data-answerid="7" data-parentid="4" data-score="506" data-position-on-page="1" data-highest-scored="1" data-question-has-accepted-highest-score="1" itemprop="suggestedAnswer" itemscope="" itemtype="https://schema.org/Answer"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container d-flex jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="7"> <button class="js-vote-up-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Up vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-dgvag2l3"> <svg aria-hidden="true" class="svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 25h32L18 9 2 25Z"></path></svg> </button><div id="--stacks-s-tooltip-dgvag2l3" class="s-popover s-popover__tooltip pe-none" aria-hidden="true" role="tooltip">This answer is useful<div class="s-popover--arrow"></div></div> <div class="js-vote-count flex--item d-flex fd-column ai-center fc-black-500 fs-title" itemprop="upvoteCount" data-value="0"> 0 </div> <button class="js-vote-down-btn flex--item s-btn s-btn__unset c-pointer " data-controller="s-tooltip" data-s-tooltip-placement="right" aria-pressed="false" aria-label="Down vote" data-selected-classes="fc-theme-primary" data-unselected-classes="" aria-describedby="--stacks-s-tooltip-gn8ppsfv"> <svg aria-hidden="true" class="svg-icon iconArrowDownLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 11h32L18 27 2 11Z"></path></svg> </button> </div> </div> <div class="answercell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"> <p>PrimeFaces の<a href="http://www.primefaces.org/showcase/ui/requestContext.jsf" rel="nofollow noreferrer">RequestContext</a>を使用して解決しました:</p> <pre><code>RequestContext context = RequestContext.getCurrentInstance(); context.execute("document.title='Number: " + number + "'"); </code></pre> <p>このコードをバッキング Bean のメソッドに追加しました。このメソッドは、 の効果として定期的に実行され<code><p:poll></code>ます。</p> <p>指示をありがとう<a href="https://stackoverflow.com/users/620338/matt-handy">マット・ハンディ</a>!</p> </div> <div class="mt24"> <div class="user-action-time" style="color:#999;text-align:right;">于 2012-06-22T09:55:10.420 に答える</div> </div> </div> </div> </div></div> </div> <div id="sidebar" class="show-votes" role="complementary" aria-label="sidebar"> <div class="module sidebar-related"> <h4 id="h-related">Related</h4> <div class="related js-gps-related-questions" data-tracker="rq=1"> <div class="spacer"> <a href="/questions/17422115" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">2</div> </a> <a href="/questions/17422115" class="question-hyperlink">java - このメッセージング システムを Java で実装するには、どの API またはフレームワークを使用すればよいですか?</a> </div><div class="spacer"> <a href="/questions/17422117" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">1</div> </a> <a href="/questions/17422117" class="question-hyperlink">c# - ASPxGridView の editForm テンプレート内の ASPxComboBox</a> </div><div class="spacer"> <a href="/questions/17422119" title="Question score (upvotes - downvotes)"> <div class="answer-votes large">3</div> </a> <a href="/questions/17422119" 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