API网关是一种将多个微服务的请求进行统一管理和路由的解决方案。以下是一些API网关最佳实践以及包含代码示例的解决方法:
@Configuration
public class GatewayConfig {
@Bean
public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {
return builder.routes()
.route("service1", r -> r.path("/service1/**")
.filters(f -> f.stripPrefix(1))
.uri("lb://service1"))
.route("service2", r -> r.path("/service2/**")
.filters(f -> f.stripPrefix(1))
.uri("lb://service2"))
.build();
}
}
@Configuration
@EnableWebFluxSecurity
public class SecurityConfig {
@Bean
public SecurityWebFilterChain securityWebFilterChain(ServerHttpSecurity http) {
return http
.authorizeExchange()
.pathMatchers("/admin/**").hasRole("ADMIN")
.anyExchange().authenticated()
.and()
.csrf().disable()
.build();
}
@Bean
public MapReactiveUserDetailsService userDetailsService() {
UserDetails user = User.withDefaultPasswordEncoder()
.username("user")
.password("password")
.roles("USER")
.build();
UserDetails admin = User.withDefaultPasswordEncoder()
.username("admin")
.password("password")
.roles("ADMIN")
.build();
return new MapReactiveUserDetailsService(user, admin);
}
}
@Configuration
public class GatewayConfig {
@Bean
public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {
return builder.routes()
.route("service1", r -> r.path("/service1/**")
.filters(f -> f.stripPrefix(1)
.modifyResponseBody(String.class, MyResponse.class, (exchange, body) -> {
// 转换响应格式
MyResponse response = new MyResponse();
response.setMessage(body);
return Mono.just(response);
}))
.uri("lb://service1"))
.build();
}
}
这些示例仅为参考,实际的API网关实现可能会根据具体的需求和技术栈有所不同。