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docs: explain spring.webflux.base-path influence on Path Route Predicate

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Signed-off-by: 郭付一男 <guofuyinan@gmail.com>
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郭付一男
2025-04-22 22:34:49 +08:00
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docs/modules/ROOT/pages/spring-cloud-gateway/request-predicates-factories.adoc
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@@ -192,6 +192,8 @@ This route matches if the request path was, for example: `/red/1` or `/red/1/` o
If `matchTrailingSlash` is set to `false`, then request path `/red/1/` will not be matched.
If you have set `spring.webflux.base-path` property, this will influence the path matching. The property value will be automatically prepended to the path patterns. For example, with `spring.webflux.base-path=/app` and a path pattern of `/red/{segment}`, the full pattern used for matching would be `/app/red/{segment}`.
This predicate extracts the URI template variables (such as `segment`, defined in the preceding example) as a map of names and values and places it in the `ServerWebExchange.getAttributes()` with a key defined in `ServerWebExchangeUtils.URI_TEMPLATE_VARIABLES_ATTRIBUTE`.
Those values are then available for use by <<gateway-route-filters,`GatewayFilter` factories>>