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class="text" data-v-b2cd6471>IteratorContainer</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b2cd6471><div class="item" data-v-b2cd6471><div class="indicator" data-v-b2cd6471></div><a class="VPLink link link" href="/tmagic-editor/docs/runtime-api/core/flowState.html" data-v-b2cd6471><!--[--><p class="text" data-v-b2cd6471>FlowState</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b2cd6471><div class="item" data-v-b2cd6471><div class="indicator" data-v-b2cd6471></div><a class="VPLink link link" href="/tmagic-editor/docs/runtime-api/core/devtoolApi.html" data-v-b2cd6471><!--[--><p class="text" data-v-b2cd6471>DevtoolApi</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b2cd6471><div class="item" data-v-b2cd6471><div class="indicator" data-v-b2cd6471></div><a class="VPLink link link" href="/tmagic-editor/docs/runtime-api/core/utils.html" data-v-b2cd6471><!--[--><p class="text" data-v-b2cd6471>工具函数</p><!--]--></a><!----></div><!----></div><!--]--></li></ul></section></div><div class="no-transition group" data-v-a3c028c0><section class="VPSidebarItem level-0" data-v-a3c028c0 data-v-b2cd6471><div class="item" role="button" tabindex="0" data-v-b2cd6471><div class="indicator" data-v-b2cd6471></div><h2 class="text" data-v-b2cd6471>@tmagic/data-source</h2><!----></div><ul class="items" data-v-b2cd6471><li data-v-b2cd6471><!--[--><div class="VPSidebarItem level-1 is-link" data-v-b2cd6471><div class="item" data-v-b2cd6471><div class="indicator" data-v-b2cd6471></div><a class="VPLink link link" href="/tmagic-editor/docs/runtime-api/data-source/dataSourceManager.html" data-v-b2cd6471><!--[--><p class="text" data-v-b2cd6471>DataSourceManager</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b2cd6471><div class="item" data-v-b2cd6471><div class="indicator" data-v-b2cd6471></div><a 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class="indicator" data-v-b2cd6471></div><a class="VPLink link link" href="/tmagic-editor/docs/runtime-api/data-source/utils.html" data-v-b2cd6471><!--[--><p class="text" data-v-b2cd6471>工具函数</p><!--]--></a><!----></div><!----></div><!--]--></li></ul></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-60a4fda8 data-v-5cafe042><div class="VPDoc has-sidebar has-aside" data-v-5cafe042 data-v-ecefb870><!--[--><!--]--><div class="container" data-v-ecefb870><div class="aside" data-v-ecefb870><div class="aside-curtain" data-v-ecefb870></div><div class="aside-container" data-v-ecefb870><div class="aside-content" data-v-ecefb870><div class="VPDocAside" data-v-ecefb870 data-v-ccaf1b72><!--[--><!--]--><!--[--><!--]--><nav aria-labelledby="doc-outline-aria-label" class="VPDocAsideOutline" data-v-ccaf1b72 data-v-2b1043b8><div class="content" data-v-2b1043b8><div class="outline-marker" data-v-2b1043b8></div><div aria-level="2" class="outline-title" id="doc-outline-aria-label" role="heading" data-v-2b1043b8>On this page</div><ul class="VPDocOutlineItem root" data-v-2b1043b8 data-v-1b6389b6><!--[--><!--]--></ul></div></nav><!--[--><!--]--><div class="spacer" data-v-ccaf1b72></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-ecefb870><div class="content-container" data-v-ecefb870><!--[--><!--]--><main class="main" data-v-ecefb870><div style="position:relative;" class="vp-doc _tmagic-editor_docs_runtime-api_core_env" data-v-ecefb870><div><h1 id="env" tabindex="-1">Env <a class="header-anchor" href="#env" aria-label="Permalink to “Env”"></a></h1><p><code>Env</code> 是 <code>@tmagic/core</code> 的环境检测类，用于检测当前运行环境的设备和系统信息。</p><h2 id="构造函数" tabindex="-1">构造函数 <a class="header-anchor" href="#构造函数" aria-label="Permalink to “构造函数”"></a></h2><div class="language-typescript"><button title="Copy code" data-copied="Copied" class="copy"></button><span class="lang">typescript</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Env</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(ua</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> string, options</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Record</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"><</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">string, boolean </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">|</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> string</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">></span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span></code></pre></div><h3 id="参数" tabindex="-1">参数 <a class="header-anchor" href="#参数" aria-label="Permalink to “参数”"></a></h3><table tabindex="0"><thead><tr><th>参数</th><th>类型</th><th>说明</th></tr></thead><tbody><tr><td><code>ua</code></td><td><code>string</code></td><td>User Agent 字符串（可选，默认使用 <code>globalThis.navigator?.userAgent</code>）</td></tr><tr><td><code>options</code></td><td><code>Record<string, boolean | string></code></td><td>额外的环境字段（可选）。构造时会通过 <code>Object.entries</code> 写入到实例上，可用于扩展自定义环境标记。<strong>注意</strong>：构造函数在 <code>ua</code> 为空（包括 <code>''</code>、<code>undefined</code> 等 falsy 值）时会<strong>提前返回</strong>，此时 <code>options</code> 同样<strong>不会</strong>被应用</td></tr></tbody></table><h2 id="属性" tabindex="-1">属性 <a class="header-anchor" href="#属性" aria-label="Permalink to “属性”"></a></h2><p>所有属性均为可赋值的公共字段（非只读），默认布尔值为 <code>false</code>：</p><table tabindex="0"><thead><tr><th>属性</th><th>类型</th><th>说明</th></tr></thead><tbody><tr><td><code>isIos</code></td><td><code>boolean</code></td><td>是否为 iOS 系统</td></tr><tr><td><code>isIphone</code></td><td><code>boolean</code></td><td>是否为 iPhone 设备</td></tr><tr><td><code>isIpad</code></td><td><code>boolean</code></td><td>是否为 iPad 设备</td></tr><tr><td><code>isAndroid</code></td><td><code>boolean</code></td><td>是否为 Android 系统</td></tr><tr><td><code>isAndroidPad</code></td><td><code>boolean</code></td><td>是否为 Android 平板</td></tr><tr><td><code>isMac</code></td><td><code>boolean</code></td><td>是否为 Mac 系统</td></tr><tr><td><code>isWin</code></td><td><code>boolean</code></td><td>是否为 Windows 系统</td></tr><tr><td><code>isMqq</code></td><td><code>boolean</code></td><td>是否在手机 QQ 中</td></tr><tr><td><code>isWechat</code></td><td><code>boolean</code></td><td>是否在微信中</td></tr><tr><td><code>isWeb</code></td><td><code>boolean</code></td><td>是否为 Web 环境</td></tr><tr><td><code>isOpenHarmony</code></td><td><code>boolean</code></td><td>是否为鸿蒙系统</td></tr></tbody></table><p><code>Env</code> 上还允许通过索引签名 <code>[x: string]: any</code> 写入自定义字段。</p><h2 id="使用示例" tabindex="-1">使用示例 <a class="header-anchor" href="#使用示例" aria-label="Permalink to “使用示例”"></a></h2><div class="language-typescript"><button title="Copy code" data-copied="Copied" class="copy"></button><span class="lang">typescript</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">import</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { Env } </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> '@tmagic/core'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 使用当前浏览器的 UA</span></span>
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<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> env</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Env</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (env.isIos) {</span></span>
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<span class="line"><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:#032F62;--shiki-dark:#9ECBFF;">'当前是 iOS 设备'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (env.isWechat) {</span></span>
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<span class="line"><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:#032F62;--shiki-dark:#9ECBFF;">'在微信中打开'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 使用自定义 UA</span></span>
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<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> customEnv</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Env</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'Mozilla/5.0 (iPhone; CPU iPhone OS 14_0 like Mac OS X)'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><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;">(customEnv.isIphone); </span><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// true</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 通过 options 注入自定义环境标记</span></span>
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<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> customEnv2</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Env</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(navigator.userAgent, { isMiniProgram: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> });</span></span>
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<span class="line"><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;">(customEnv2.isMiniProgram); </span><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// true</span></span></code></pre></div><h2 id="在-app-中使用" tabindex="-1">在 App 中使用 <a class="header-anchor" href="#在-app-中使用" aria-label="Permalink to “在 App 中使用”"></a></h2><div class="language-typescript"><button title="Copy code" data-copied="Copied" class="copy"></button><span class="lang">typescript</span><pre class="shiki shiki-themes github-light github-dark" style="--shiki-light:#24292e;--shiki-dark:#e1e4e8;--shiki-light-bg:#fff;--shiki-dark-bg:#24292e;" tabindex="0" dir="ltr"><code><span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">import</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> App </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> '@tmagic/core'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> app</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> App</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ua: navigator.userAgent</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">});</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 通过 app.env 访问环境信息</span></span>
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<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (app.env.isAndroid) {</span></span>
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<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;"> // Android 特定逻辑</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div></div></div></main><footer class="VPDocFooter" data-v-ecefb870 data-v-283d6eff><!--[--><!--]--><!----><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-283d6eff><span class="visually-hidden" id="doc-footer-aria-label" data-v-283d6eff>Pager</span><div class="pager" data-v-283d6eff><a class="VPLink link pager-link prev" href="/tmagic-editor/docs/runtime-api/core/eventHelper.html" data-v-283d6eff><!--[--><span class="desc" data-v-283d6eff>Previous page</span><span class="title" data-v-283d6eff>EventHelper</span><!--]--></a></div><div class="pager" data-v-283d6eff><a class="VPLink link pager-link next" href="/tmagic-editor/docs/runtime-api/core/iteratorContainer.html" data-v-283d6eff><!--[--><span class="desc" data-v-283d6eff>Next page</span><span class="title" data-v-283d6eff>IteratorContainer</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-60a4fda8 data-v-5376ca3c><div class="container" data-v-5376ca3c><p class="message" data-v-5376ca3c>Powered by 腾讯视频会员平台技术中心</p><p class="copyright" data-v-5376ca3c>Copyright (C) 2025 Tencent.</p></div></footer><!--[--><!--]--></div></div>
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