Spring boot 应用可以添加依赖spring-boot-starter-webflux
来构建响应式 Web 应用程序。
内置响应式服务器
Spring Boot WebFlux 内置 Reactor Netty、Tomcat、Jetty 和 Undertow。默认端口是 8080。
WebFlux 的 CRUD 示例
Springboot WebFlux 将路由配置与请求的实际处理流程分开,如下示例。
@Configuration public class UserFluxController { @Bean public RouterFunction<ServerResponse> monoRouterFunction(UserFluxController userHandler) { return RouterFunctions .route(GET("/flux/list").and(accept(APPLICATION_JSON)), userHandler::findAll) .andRoute(GET("/flux/{id}").and(accept(APPLICATION_JSON)), userHandler::findOne) .andRoute(POST("/flux").and(accept(APPLICATION_JSON)), userHandler::save) .andRoute(PUT("/flux/{id}").and(accept(APPLICATION_JSON)), userHandler::update) .andRoute(DELETE("/flux/{id}").and(accept(APPLICATION_JSON)), userHandler::delete); } private UserService service; @Autowired public UserFluxController(UserService service) { this.service = service; } /** * 查找列表. 成功返回200. */ Mono<ServerResponse> findAll(ServerRequest request) { Object currentPage = request.attribute("currentPage").orElse(1); Object pageSize = request.attribute("pageSize").orElse(10); Page page = new Page((Integer) currentPage, (Integer) pageSize); return ok().body(fromObject(service.findAll(page))); } /** * 查找详情. 成功返回200. */ Mono<ServerResponse> findOne(ServerRequest request) { return ok().body(fromObject(service.findOne(request.pathVariable("id")))); } /** * 新建. 成功返回201. */ Mono<ServerResponse> save(ServerRequest request) { return request.bodyToMono(UserVo.class).flatMap(user -> created(URI.create("")).body(fromObject(service.save(user)))); } /** * 更新. 成功返回201. */ Mono<ServerResponse> update(ServerRequest request) { String id = request.pathVariable("id"); return request.bodyToMono(UserVo.class).flatMap(user -> { user.setId(id); return created(URI.create("")).body(fromObject(service.update(user))); }); } /** * 删除. 成功返回204. */ Mono<ServerResponse> delete(ServerRequest request) { service.delete(request.pathVariable("id")); return noContent().build(); } }