29 lines
1.3 KiB
Markdown
29 lines
1.3 KiB
Markdown
<h1 align="center">Fastify</h1>
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## 中间件
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从 3.0.0 版本开始，Fastify 便不再内建地支持中间件了，你需要通过插件例如 [`fastify-express`](https://github.com/fastify/fastify-express) 或 [`middie`](https://github.com/fastify/middie) 来使用它们。
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以下是通过 [`fastify-express`](https://github.com/fastify/fastify-express) 插件，来使用 express 中间件的示例：
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```js
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await fastify.register(require("fastify-express"));
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fastify.use(require("cors")());
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fastify.use(require("dns-prefetch-control")());
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fastify.use(require("frameguard")());
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fastify.use(require("hsts")());
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fastify.use(require("ienoopen")());
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fastify.use(require("x-xss-protection")());
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```
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或者通过 [`middie`](https://github.com/fastify/middie)，它提供了对简单的 express 风格的中间件的支持，但性能更佳：
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```js
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await fastify.register(require("middie"));
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fastify.use(require("cors")());
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```
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### 替代
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Fastify 提供了最常用中间件的替代品，例如：[`fastify-helmet`](https://github.com/fastify/fastify-helmet) 之于 [`helmet`](https://github.com/helmetjs/helmet)，[`fastify-cors`](https://github.com/fastify/fastify-cors) 之于 [`cors`](https://github.com/expressjs/cors)，以及 [`fastify-static`](https://github.com/fastify/fastify-static) 之于 [`serve-static`](https://github.com/expressjs/serve-static)。
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