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34 lines
575 B
34 lines
575 B
---
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title: 插件
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description: 插件 - PluginFinder
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---
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## available(pluginName)
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```js
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pluginFinder.available(pluginName)
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```
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### 描述
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判断一个插件是否可用，会同时判断插件是否安装和启用。
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### 参数
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1. `pluginName:string` - 插件的唯一标识 `metadata.name`。
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### 返回值
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`boolean` - 插件是否可用
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### 示例
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```html
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<!-- https://github.com/halo-sigs/plugin-search-widget -->
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<li th:if="${pluginFinder.available('PluginSearchWidget')}">
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<a href="javascript:SearchWidget.open()" title="搜索">
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搜索
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</a>
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</li>
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```
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