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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_data-source_observedData" data-v-ecefb870><div><h1 id="观察者数据类" tabindex="-1">观察者数据类 <a class="header-anchor" href="#观察者数据类" aria-label="Permalink to “观察者数据类”"></a></h1><p><code>@tmagic/data-source</code> 提供了三种观察者数据类，用于实现数据的响应式监听。</p><h2 id="observeddata-抽象类" tabindex="-1">ObservedData（抽象类） <a class="header-anchor" href="#observeddata-抽象类" aria-label="Permalink to “ObservedData（抽象类）”"></a></h2><p>所有观察者数据类的抽象基类，定义了统一的接口。</p><h3 id="抽象方法" tabindex="-1">抽象方法 <a class="header-anchor" href="#抽象方法" aria-label="Permalink to “抽象方法”"></a></h3><table tabindex="0"><thead><tr><th>方法</th><th>参数</th><th>返回值</th><th>说明</th></tr></thead><tbody><tr><td><code>update</code></td><td><code>(data: any, path?: string)</code></td><td><code>void</code></td><td>更新数据</td></tr><tr><td><code>on</code></td><td><code>(path: string, callback: (payload: any) => void, options?: { immediate?: boolean })</code></td><td><code>void</code></td><td>监听数据变化。<code>payload</code> 的形态取决于具体实现：<code>SimpleObservedData</code> 路径回调收到 <code>{ updateData, path }</code>（仅 <code>immediate</code> 分支为「当前值」），<code>DeepObservedData</code> 更接近「值」语义</td></tr><tr><td><code>off</code></td><td><code>(path: string, callback: (payload: any) => void)</code></td><td><code>void</code></td><td>取消监听</td></tr><tr><td><code>getData</code></td><td><code>(path: string)</code></td><td><code>any</code></td><td>获取指定路径的数据</td></tr><tr><td><code>destroy</code></td><td><code>()</code></td><td><code>void</code></td><td>销毁</td></tr></tbody></table><h2 id="simpleobserveddata" tabindex="-1">SimpleObservedData <a class="header-anchor" href="#simpleobserveddata" aria-label="Permalink to “SimpleObservedData”"></a></h2><p>基于 EventEmitter 的简单观察者实现，只支持单层路径监听。</p><h3 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></h3><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;"> { SimpleObservedData } </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> '@tmagic/data-source'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</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;"> observed</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;"> SimpleObservedData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({ name: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'test'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> });</span></span>
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<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 监听数据变化（SimpleObservedData 路径监听收到的是 { updateData, path }）</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</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;">'name'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, (</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">payload</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">=></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;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'name 变更，payload:'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, payload, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'当前值:'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'name'</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:#62687b;--shiki-dark:#818e99;">// 更新数据</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">update</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({ name: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'new name'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> });</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 更新特定路径</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">update</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'another name'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'name'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 获取数据</span></span>
|
||
<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> name</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'name'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 取消监听</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">off</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'name'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, callback);</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 销毁</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">destroy</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span></code></pre></div><h3 id="特点" tabindex="-1">特点 <a class="header-anchor" href="#特点" aria-label="Permalink to “特点”"></a></h3><ul><li>轻量级实现</li><li>只支持单层路径监听（如 <code>'name'</code>，不支持 <code>'user.name'</code>）</li><li>适用于简单数据结构</li></ul><h2 id="deepobserveddata" tabindex="-1">DeepObservedData <a class="header-anchor" href="#deepobserveddata" aria-label="Permalink to “DeepObservedData”"></a></h2><p>基于 <code>deep-state-observer</code> 的深度观察者实现，支持深层路径监听。</p><h3 id="使用示例-1" tabindex="-1">使用示例 <a class="header-anchor" href="#使用示例-1" aria-label="Permalink to “使用示例”"></a></h3><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;"> { DeepObservedData } </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> '@tmagic/data-source'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> observed</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;"> DeepObservedData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> user: {</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> name: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'test'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> profile: {</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> avatar: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'url'</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>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 监听深层路径</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</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;">'user.profile.avatar'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, (</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">newVal</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">=></span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<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;">'头像变更为:'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, newVal);</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:#62687b;--shiki-dark:#818e99;">// 监听整个对象</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</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;">'user'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, (</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">newVal</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">=></span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<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;">'user 对象变更:'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, newVal);</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:#62687b;--shiki-dark:#818e99;">// 立即执行回调</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</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;">'user.name'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, callback, { immediate: </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:#62687b;--shiki-dark:#818e99;">// 更新深层数据</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">update</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'new avatar'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'user.profile.avatar'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 获取深层数据</span></span>
|
||
<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> avatar</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> observed.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'user.profile.avatar'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><h3 id="特点-1" tabindex="-1">特点 <a class="header-anchor" href="#特点-1" aria-label="Permalink to “特点”"></a></h3><ul><li>支持深层路径监听（如 <code>'user.profile.avatar'</code>）</li><li>支持 <code>immediate</code> 选项立即执行回调</li><li>适用于复杂嵌套数据结构</li><li>性能更优，只在相关路径变化时触发回调</li></ul><h2 id="在-datasourcemanager-中注册" tabindex="-1">在 DataSourceManager 中注册 <a class="header-anchor" href="#在-datasourcemanager-中注册" aria-label="Permalink to “在 DataSourceManager 中注册”"></a></h2><p>可以通过静态方法注册自定义的观察者数据类：</p><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;"> { DataSourceManager, DeepObservedData } </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> '@tmagic/data-source'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;">// 注册深度观察者类</span></span>
|
||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">DataSourceManager.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">registerObservedData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(DeepObservedData);</span></span></code></pre></div><h2 id="自定义观察者类" tabindex="-1">自定义观察者类 <a class="header-anchor" href="#自定义观察者类" aria-label="Permalink to “自定义观察者类”"></a></h2><p>可以继承 <code>ObservedData</code> 实现自定义的观察者类：</p><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;"> { ObservedData } </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> '@tmagic/data-source'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> CustomObservedData</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ObservedData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> private</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;"> data</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="--shiki-light:#c62739;--shiki-dark:#F97583;"> constructor</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> this</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.data </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> data;</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:#6F42C1;--shiki-dark:#B392F0;"> update</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">data</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">path</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;"> // 自定义更新逻辑</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:#6F42C1;--shiki-dark:#B392F0;"> on</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">path</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">callback</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">payload</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">=></span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">options</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">immediate</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> })</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;"> // 自定义监听逻辑</span></span>
|
||
<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:#6F42C1;--shiki-dark:#B392F0;"> off</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">path</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">callback</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">payload</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">=></span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;"> // 自定义取消监听逻辑</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:#6F42C1;--shiki-dark:#B392F0;"> getData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#c13617;--shiki-dark:#FFAB70;">path</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;"> // 自定义获取数据逻辑</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:#6F42C1;--shiki-dark:#B392F0;"> destroy</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span><span style="--shiki-light:#c62739;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||
<span class="line"><span style="--shiki-light:#62687b;--shiki-dark:#818e99;"> // 自定义销毁逻辑</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></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/data-source/httpDataSource.html" data-v-283d6eff><!--[--><span class="desc" data-v-283d6eff>Previous page</span><span class="title" data-v-283d6eff>HttpDataSource</span><!--]--></a></div><div class="pager" data-v-283d6eff><a class="VPLink link pager-link next" href="/tmagic-editor/docs/runtime-api/data-source/utils.html" data-v-283d6eff><!--[--><span class="desc" data-v-283d6eff>Next page</span><span class="title" data-v-283d6eff>工具函数</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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