apisix/docs/zh/latest/architecture-design/router.md
2021-04-01 09:49:44 +08:00

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---
title: Router
---
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APISIX 区别于其他 API 网关的一大特点是允许用户选择不同 Router 来更好匹配自由业务,在性能、自由之间做最适合选择。
在本地配置 `conf/config.yaml` 中设置最符合自身业务需求的路由。
- `apisix.router.http`: HTTP 请求路由。
- `radixtree_uri`: (默认)只使用 `uri` 作为主索引。基于 `radixtree` 引擎,支持全量和深前缀匹配,更多见 [如何使用 router-radixtree](../../../en/latest/router-radixtree.md)
- `绝对匹配`:完整匹配给定的 `uri` ,比如 `/foo/bar``/foo/glo`。
- `前缀匹配`:末尾使用 `*` 代表给定的 `uri` 是前缀匹配。比如 `/foo*`,则允许匹配 `/foo/`、`/foo/a`和`/foo/b`等。
- `匹配优先级`:优先尝试绝对匹配,若无法命中绝对匹配,再尝试前缀匹配。
- `任意过滤属性`:允许指定任何 Nginx 内置变量作为过滤条件,比如 URL 请求参数、请求头、cookie 等。
- `radixtree_uri_with_parameter`: 同 `radixtree_uri` 但额外有参数匹配的功能。
- `radixtree_host_uri`: 使用 `host + uri` 作为主索引(基于 `radixtree` 引擎),对当前请求会同时匹配 host 和 uri支持的匹配条件与 `radixtree_uri` 基本一致。
- `apisix.router.ssl`: SSL 加载匹配路由。
- `radixtree_sni`: (默认)使用 `SNI` (Server Name Indication) 作为主索引(基于 radixtree 引擎)。