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---
title: i18n
slug: Mozilla/Add-ons/WebExtensions/API/i18n
translation_of: Mozilla/Add-ons/WebExtensions/API/i18n
---
<div>{{AddonSidebar}}</div>
<p>国际化扩展的函数。您可以使用这些 api 从与扩展打包在一起的本地化文件中获取本地化字符串,查找浏览器的当前语言,并查找其 <a href="/zh-CN/docs/Web/HTTP/Content_negotiation#The_Accept-Language_header">Accept-Language header</a>头的值。</p>
<p id="See_also">有关对扩展使用 i18n 的详细信息,请参阅:</p>
<ul>
<li><a href="/zh-CN/docs/Mozilla/Add-ons/WebExtensions/Internationalization">Internationalization</a>国际化: 使用 WebExtension i18n 系统的指南</li>
<li><a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/API/i18n/Locale-Specific_Message_reference">Locale-Specific Message reference</a>: 扩展在 <code>messages.json</code>文件中提供特定于语言环境的字符串。 <font>此网页介绍</font><code>messages.json</code></li>
</ul>
<h2 id="类型">类型</h2>
<dl>
<dt>{{WebExtAPIRef("i18n.LanguageCode")}}</dt>
<dd>一个<a href="https://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.10">语言标记</a> 例如 <code>"en-US"</code> 或者 "<code>fr</code>".</dd>
</dl>
<h2 id="方法">方法</h2>
<dl>
<dt>{{WebExtAPIRef("i18n.getAcceptLanguages()")}}</dt>
<dd>得到浏览器 <a href="/en-US/docs/Web/HTTP/Content_negotiation#The_Accept-Language_header">支持的语言</a> 。这与浏览器使用的区域设置不同。要获得区域设置,请使用{{WebExtAPIRef('i18n.getUILanguage')}}.</dd>
<dt>{{WebExtAPIRef("i18n.getMessage()")}}</dt>
<dd>获取指定消息的本地化字符串。</dd>
<dt>{{WebExtAPIRef("i18n.getUILanguage()")}}</dt>
<dd>获取浏览器的用户界面语言。 这与返回首选的用户语言 {{WebExtAPIRef('i18n.getAcceptLanguages')}} 不同。</dd>
<dt>{{WebExtAPIRef("i18n.detectLanguage()")}}</dt>
<dd>使用 <a href="https://github.com/CLD2Owners/cld2">Compact Language Detector</a>属性检测所提供文本的语言。</dd>
</dl>
<dl>
</dl>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("webextensions.api.i18n")}}</p>
<p>{{WebExtExamples("h2")}}</p>
<dl>
</dl>
<div class="note"><strong>Acknowledgements</strong>
<p>这个 API 是基于 Chromium 的 <a href="https://developer.chrome.com/extensions/i18n"><code>chrome.i18n</code></a> API,这个文档源自 Chromium 代码中的 <a href="https://chromium.googlesource.com/chromium/src/+/master/chrome/common/extensions/api/i18n.json"><code>history.json</code></a> 。</p>
<p>微软 Edge 的兼容性数据由微软公司提供,并在这里收录在《知识共享3.0美国许可证》中。</p>
</div>
<div class="hidden">
<pre class="notranslate">// Copyright 2015 The Chromium Authors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</pre>
</div>
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