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56 lines
1.8 KiB
56 lines
1.8 KiB
2 years ago
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---
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title: 静态资源
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description: 本文档介绍主题的静态资源的引用方法。
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---
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通过 [目录结构](./structure.md) 的讲解我们可以知道，目前主题的静态资源统一托管在 `/templates/assets/` 目录下，下面讲解一下如何在模板中使用，大致会分为两种引入方式。
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## 模板标签引用
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```html
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<link rel="stylesheet" th:href="@{/assets/dist/style.css}" />
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<script th:src="@{/assets/dist/main.iife.js}"></script>
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<img th:src="@{/assets/images/logo.png}" />
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```
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其中 `@{/assets/dist/style.css}` 表示引用 `/templates/assets/dist/style.css` 文件。最终会被渲染为：
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```html
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<link rel="stylesheet" href="/themes/my-theme/assets/dist/style.css" />
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```
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## API 引用
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以上方式仅支持在 HTML 标签中使用，且必须使用 `@{}` 包裹才能渲染为正确的路径。如果需要在非 HTML 标签中得到正确的路径，我们提供了 `#theme.assets()` API。
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:::info 注意
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需要注意的是，调用 `#theme.assets()` 的时候，资源地址不需要添加 `/assets/`。
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:::
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比如我们需要在 JavaScript 中异步获取一些资源：
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```html {3}
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<script th:inline="javascript">
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loadScript('[(${#theme.assets("/dist/main.iife.js")})]');
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// loadScript('/themes/my-theme/assets/dist/main.iife.js');
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function loadScript(url) {
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return new Promise(function (resolve, reject) {
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = url;
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script.onload = resolve;
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script.onerror = reject;
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document.head.appendChild(script);
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});
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}
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</script>
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```
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:::info 提示
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关于在 JavaScript 中使用 Thymeleaf 语法可以参考 Thymeleaf 官方文档：[JavaScript inlining](https://www.thymeleaf.org/doc/tutorials/3.1/usingthymeleaf.html#javascript-inlining)
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:::
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