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import{_ as a,o as n,c as l,ak as i,j as e}from"./chunks/framework.xxfEszSJ.js";const g=JSON.parse('{"title":"Iframe 通信工具","description":"","frontmatter":{},"headers":[],"relativePath":"tool/iframe.md","filePath":"tool/iframe.md","lastUpdated":1789501778000}'),t={name:"tool/iframe.md"};function p(h,s,k,r,E,d){return n(),l("div",null,s[0]||(s[0]=[i(`<h1 id="iframe-通信工具" tabindex="-1">Iframe 通信工具 <a class="header-anchor" href="#iframe-通信工具" aria-label="Permalink to &quot;Iframe 通信工具&quot;">​</a></h1><p><a href="./../en/tool/iframe.html">English</a></p><p>在父页面控制 iframe 内的播放器，并把子页面事件传回父页面。它是独立构造器，不是放进 ArtPlayer plugins 数组的插件。本页描述当前未发布分支；父子页面都需要自行部署。</p><h2 id="安装与双端接入" tabindex="-1">安装与双端接入 <a class="header-anchor" href="#安装与双端接入" aria-label="Permalink to &quot;安装与双端接入&quot;">​</a></h2><div class="language-sh vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">sh</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">yarn</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> add</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> artplayer-tool-iframe</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br></div></div><p>父页面使用默认导入 <code>import ArtplayerToolIframe from &#39;artplayer-tool-iframe&#39;</code>。script 使用 <code>dist/artplayer-tool-iframe.js</code>，全局名为 <code>ArtplayerToolIframe</code>。</p><p>子页面也必须加载此工具并主动调用 inject；如果需要创建播放器，还要在子页面加载 ArtPlayer 和提供容器。例如仓库的 <code>/iframe.html</code> 使用：</p><div class="language-html vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">html</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">div</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> class</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;artplayer-app&quot;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> style</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;width:100%;height:100%&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">div</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> src</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;./uncompiled/artplayer/index.js&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> src</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;./uncompiled/artplayer-tool-iframe/index.js&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;ArtplayerToolIframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">inject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>以上路径属于本站开发输出，部署应用时替换成实际构建路径。下面保留<a href="https://artplayer.org/?libs=./uncompiled/artplayer-tool-iframe/index.js&amp;example=iframe" target="_blank" rel="noreferrer">父页面原始示例</a>，它创建 iframe 并指向 <code>/iframe.html</code>：</p>`,9),e("div",{className:"run-code","data-libs":"./uncompiled/artplayer-tool-iframe/index.js"},"▶ Run Code",-1),i(`<div class="language-js vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">js</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// npm i artplayer-tool-iframe</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// import ArtplayerToolIframe from &#39;artplayer-tool-iframe&#39;;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $iframe</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> document.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">createElement</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;iframe&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$iframe.allowFullscreen </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$iframe.width </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;100%&#39;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$iframe.height </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;100%&#39;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $container</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> document.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">querySelector</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;.artplayer-app&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$container.innerHTML </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;&#39;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$container.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">appendChild</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">($iframe)</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> iframe</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ArtplayerToolIframe</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> iframe: $iframe,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> url: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;/iframe.html&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">})</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">window.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">addEventListener</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;artplayer:example:cleanup&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, () </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> iframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">destroy</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $iframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">remove</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}, { once: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">iframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">message</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(({ </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> switch</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (type) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;fullscreenWeb&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (data) {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $iframe.classList.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">add</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;fullscreenWeb&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $iframe.classList.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">remove</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;fullscreenWeb&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> default</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">})</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">iframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">commit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> art</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Artplayer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> container: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;.artplayer-app&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> url: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;/assets/sample/video.mp4&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> fullscreen: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> fullscreenWeb: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> art.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">on</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;fullscreenWeb&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, (</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">state</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ArtplayerToolIframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">postMessage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> type: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;fullscreenWeb&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> data: state,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> })</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> })</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}).</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">catch</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">((</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">error</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">iframe.destroyed)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> console.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">error</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(error)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">})</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br><span class="line-number">52</span><br><span class="line-number">53</span><br><span class="line-number">54</span><br><span class="line-number">55</span><br></div></div><h2 id="父页面实例" tabindex="-1">父页面实例 <a class="header-anchor" href="#父页面实例" aria-label="Permalink to &quot;父页面实例&quot;">​</a></h2><p>构造参数为 <code>{ iframe: HTMLIFrameElement, url: string }</code>，两项必填。构造时设置 iframe.src 并注册消息监听器；不会自动安装子页面脚本。iframe 元素由调用方创建和移除。</p><table tabindex="0"><thead><tr><th>成员</th><th>行为</th></tr></thead><tbody><tr><td><code>commit(callback)</code></td><td>提取函数体字符串，在子页面执行；返回响应 Promise</td></tr><tr><td><code>postMessage({ type, data, id? })</code></td><td>向子页面发送请求并等待响应；发送时分配自己的数值 id，忽略传入 id</td></tr><tr><td><code>message(callback)</code></td><td>设置一个消息通知回调，后一次覆盖前一次；同步返回 void</td></tr><tr><td><code>onMessage(event)</code></td><td>父页面接收器；通常由工具监听原生 message 事件</td></tr><tr><td><code>destroy()</code></td><td>同步、幂等；移除本实例监听和导航观察，拒绝已发送及等待中的请求</td></tr><tr><td><code>url</code> / <code>$iframe</code></td><td>初始配置地址及 iframe 元素；修改 url 字段本身不等于导航</td></tr><tr><td><code>injected</code> / <code>destroyed</code></td><td>注入及销毁状态</td></tr><tr><td><code>promises</code></td><td>待处理请求对象；历史回调字段拼写为 <code>resove</code> 和 <code>reject</code></td></tr><tr><td><code>messageCallback</code></td><td>当前通知回调；默认函数，运行时也可为 null</td></tr></tbody></table><p>通知只接收 <code>{ type, data }</code>，this 为该工具实例，不带 id 或私有文档标记。匹配请求 id 的非 error 消息会正常结算；error 响应转换为 Error 拒绝。自定义消息类型仍可使用，但子页面需实现对应响应；未响应的请求没有默认超时。</p><p>注入前请求每 200ms 检查一次，不在 inject 事件里同步清空队列。数值 id 是关联编号，不保证等于 Date.now。销毁时未完成请求以 <code>The instance has been destroyed</code> 拒绝；调用方应处理 Promise 失败。</p><h2 id="commit-的执行方式" tabindex="-1">commit 的执行方式 <a class="header-anchor" href="#commit-的执行方式" aria-label="Permalink to &quot;commit 的执行方式&quot;">​</a></h2><p>普通函数体可 return 可结构化克隆的结果。异步结果使用历史的字面量 <code>resolve(...)</code> 约定：</p><div class="language-js vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">js</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> title</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> await</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> iframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">commit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> document.title; </span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// 在子页面读取</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">});</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> answer</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> await</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> iframe.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">commit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">((</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">resolve</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> setTimeout</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> resolve</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">42</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">), </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">100</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">});</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>函数体通过字符串截取和 new Function 执行，不传递闭包、父页面局部变量、函数参数或 import。保留花括号；不要使用表达式箭头函数、async 函数体、顶层 await，或重命名异步 resolve 参数。该约定使用文本匹配，并非完整 JavaScript 语法分析。返回值需适合 postMessage，Promise 对象本身不能当作普通返回值发送。执行错误会发送 error 响应，子页面接收器也会拒绝。</p><h2 id="子页面静态方法与信任边界" tabindex="-1">子页面静态方法与信任边界 <a class="header-anchor" href="#子页面静态方法与信任边界" aria-label="Permalink to &quot;子页面静态方法与信任边界&quot;">​</a></h2><table tabindex="0"><thead><tr><th>成员</th><th>行为</th></tr></thead><tbody><tr><td><code>ArtplayerToolIframe.iframe</code></td><td>只读运行时 getter：当前页面是否位于 iframe 内</td></tr><tr><td><code>inject()</code></td><td>发送注入通知并安装子页面接收器；重复调用保留单份监听</td></tr><tr><td><code>postMessage({ type, data, id? })</code></td><td>向 parent 发送通知/响应，默认 id 为 0，返回 void</td></tr><tr><td><code>onMessage(event)</code></td><td>实际为 async 接收器；处理 commit，普通自定义类型需应用处理</td></tr></tbody></table><p>后三项只能在 iframe 中使用；顶层调用抛错或拒绝。两端检查所选窗口与基本消息形状，继续使用 wildcard targetOrigin，未将初始 URL 的 origin 固定为白名单。父子页面内容必须可信；commit 会执行代码，需要允许对应执行方式的 CSP，它不是隔离沙箱或消息数据验证器。</p><h2 id="导航、清理和兼容类型" tabindex="-1">导航、清理和兼容类型 <a class="header-anchor" href="#导航、清理和兼容类型" aria-label="Permalink to &quot;导航、清理和兼容类型&quot;">​</a></h2><p>双方升级后会协商文档标记，用于拒绝旧文档响应和取消确认离开页面的请求；标记不是认证凭证。替换 src 暂停发送，确认跨文档离开后取消旧请求；匹配的同文档 hash 变化保留请求。新页面排队请求与旧页面请求区分处理。旧子页面缺少文档标记时，同地址 reload 或内部导航的识别有局限，不能视为已验证 BFCache 恢复。</p><p>destroy 不移除 iframe、不销毁其播放器，也不新增静态子页面 destroy API。父页面可在释放工具后自行移除 iframe。独立页面的播放器事件、全屏权限及设备行为需要实际集成测试。</p><p>根和 <code>/legacy</code> 保留旧类声明，包括必填 Message.data、只读实例字段、同步静态 onMessage 和 <code>commit</code> 的 ReturnType 推导。准确运行时视图从同一入口按类型导入；没有 <code>/runtime</code> 子路径：</p><div class="language-ts vp-adaptive-theme line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">import</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Iframe </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;artplayer-tool-iframe&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">import</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { ResolverInstance, RuntimeConstructor } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;artplayer-tool-iframe&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">function</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> connectFrame</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">element</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> HTMLIFrameElement</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> Runtime</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Iframe </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">as</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RuntimeConstructor</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> tool</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Runtime</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({ iframe: element, url: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;/iframe.html&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">as</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ResolverInstance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> tool.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">message</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">function</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">message</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { console.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">log</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">this</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.url, message.type, message.data); });</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> answer</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> tool.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">commit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">number</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;((</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">resolve</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">resolve</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">42</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); });</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { tool, answer };</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>公开类型包括 Option、Message、Callbacks、Notification、MessageCallback、OutboundMessage、ProtocolMessage、Resolve、ResolverCallback、RuntimeInstance、ResolverInstance、RuntimeConstructor。类型视图不验证响应数据，也不改变执行协议。现代 CommonJS TS 可用 <code>import Iframe = require(&#39;artplayer-tool-iframe&#39;)</code>；ESM 使用默认导入。构造器没有 <code>.default</code> 自引用。旧 <code>artplayer-plugin-iframe</code> 的包名、命名空间和独立 helper 不等同于本工具，不能仅换依赖名就认为所有入口兼容。</p>`,19)]))}const y=a(t,[["render",p]]);export{g as __pageData,y as default};
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