diff --git a/spring/webflux/spring webflux.md b/spring/webflux/spring webflux.md index fd139bd..1b9e3cd 100644 --- a/spring/webflux/spring webflux.md +++ b/spring/webflux/spring webflux.md @@ -178,5 +178,101 @@ server.start(); ### WebHandler API `org.springframework.web.server` package基于`HttpHandler`构建，提供了通用的Web API。Web Api由多个`WebException`, 多个`WebFilter`, 一个`WebHandler`组件构成，组成了一个chain。 +相比于`HttpHandler`仅仅是对不同http server的抽象，`WebHandler`提供了一个更加通用、更加广泛的功能集合： +- user sessions attributes +- request attributes +- resolved `Locale` or `Principal` for request +- abstractions for multipart data +#### bean types for WebHttpHandlerBuilder auto-detect +在spring上下文中，`WebHttpHandlerBuilder`可以自动探测到如下类型的components: + ++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Bean nameBean typeCountDescription

<any>

WebExceptionHandler

0..N

Provide handling for exceptions from the chain of WebFilter instances and the target + WebHandler. For more details, see Exceptions.

<any>

WebFilter

0..N

Apply interception style logic to before and after the rest of the filter chain and + the target WebHandler. For more details, see Filters.

webHandler

WebHandler

1

The handler for the request.

webSessionManager

WebSessionManager

0..1

The manager for WebSession instances exposed through a method on ServerWebExchange. + DefaultWebSessionManager by default.

serverCodecConfigurer

ServerCodecConfigurer

0..1

For access to HttpMessageReader instances for parsing form data and multipart data that is then + exposed through methods on ServerWebExchange. ServerCodecConfigurer.create() by default.

localeContextResolver

LocaleContextResolver

0..1

The resolver for LocaleContext exposed through a method on ServerWebExchange. + AcceptHeaderLocaleContextResolver by default.

forwardedHeaderTransformer

ForwardedHeaderTransformer

0..1

For processing forwarded type headers, either by extracting and removing them or by removing them only. + Not used by default.

+#### Form Data +`ServerWebExchange`将会向外暴露如下方法，用于访问form data： +```java +Mono> getFormData(); +``` +`DefaultServerWebExchange`使用`HttpMessageReader`来对form data（application/x-www-form-urlencoded）进行parse操作，将formdata转化为`MultiValueMap`。 + +#### Multipart Data +`ServerWebExchange`向外暴露如下方法，用于访问multipart data。 + +```java +Mono> getMultipartData(); +``` + +`DefaultServerWebExchange`将会使用`HttpMessageReader>`来对`multipart/form-data`，`multipart/mixed`，`multipart/related`数据进行转换，数据将会被转化为`MultiValueMap`类型。 + +#### Filter +在`WebHandler API`中，可以使用`WebFilter`来实现拦截式的逻辑，当使用`Webflux Config`时，`WebFilter`的注可以通过将其注册为bean来实现。 + +对于`WebFilter`的优先级，欸可以通过使用`@Order`注解或实现`Ordered`接口来实现。 + +#### CORS +spring webflux支持通过@CORSLAI1 \ No newline at end of file