feat: 路由限流配置

src/main/java/com/inspur/smsb/gateway/config/RateLimiterConfiguration.java

@@ -0,0 +1,28 @@
+package com.inspur.smsb.gateway.config;
+
+import org.springframework.cloud.gateway.filter.ratelimit.KeyResolver;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import reactor.core.publisher.Mono;
+
+import java.util.Objects;
+
+/**
+ * 路由限流配置
+ *
+ * @author liangke
+ */
+@Configuration(proxyBeanMethods = false)
+public class RateLimiterConfiguration {
+    /**
+     * Remote address key resolver.
+     *
+     * @link {https://docs.spring.io/spring-cloud-gateway/docs/current/reference/html/#the-requestratelimiter-gatewayfilter-factory}
+     */
+    @Bean
+    public KeyResolver remoteAddrKeyResolver() {
+        return exchange -> Mono
+            .just(Objects.requireNonNull(Objects.requireNonNull(exchange.getRequest().getRemoteAddress()))
+                .getAddress().getHostAddress());
+    }
+}