1.初始化版本，2.引入thirdpart模块，引入canteen模块，初始化菜品分类，spu

pjcloud-gateway/src/main/java/com/bsd/pjcloud/gateway/PjcloudGatewayApplication.java

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+/*
+ *
+ *      Copyright (c) 2018-2025, pjcloud All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ *  this list of conditions and the following disclaimer.
+ *  Redistributions in binary form must reproduce the above copyright
+ *  notice, this list of conditions and the following disclaimer in the
+ *  documentation and/or other materials provided with the distribution.
+ *  Neither the name of the pig4cloud.com developer nor the names of its
+ *  contributors may be used to endorse or promote products derived from
+ *  this software without specific prior written permission.
+ *  Author: pjcloud
+ *
+ */
+
+package com.bsd.pjcloud.gateway;
+
+import com.bsd.pjcloud.common.gateway.annotation.EnablePjcloudDynamicRoute;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+
+/**
+ * @author pjcloud
+ * @date 2018年06月21日 网关应用
+ */
+@EnablePjcloudDynamicRoute
+@EnableDiscoveryClient
+@SpringBootApplication
+public class PjcloudGatewayApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(PjcloudGatewayApplication.class, args);
+	}
+
+}

pjcloud-gateway/src/main/java/com/bsd/pjcloud/gateway/config/RateLimiterConfiguration.java

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+/*
+ *
+ *      Copyright (c) 2018-2025, pjcloud All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ *  this list of conditions and the following disclaimer.
+ *  Redistributions in binary form must reproduce the above copyright
+ *  notice, this list of conditions and the following disclaimer in the
+ *  documentation and/or other materials provided with the distribution.
+ *  Neither the name of the pig4cloud.com developer nor the names of its
+ *  contributors may be used to endorse or promote products derived from
+ *  this software without specific prior written permission.
+ *  Author: pjcloud
+ *
+ */
+
+package com.bsd.pjcloud.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;
+
+/**
+ * @author pjcloud
+ * @date 2018/7/1 路由限流配置
+ */
+@Configuration
+public class RateLimiterConfiguration {
+
+	@Bean(value = "remoteAddrKeyResolver")
+	public KeyResolver remoteAddrKeyResolver() {
+		return exchange -> Mono.just(exchange.getRequest().getRemoteAddress().getAddress().getHostAddress());
+	}
+
+}

pjcloud-gateway/src/main/java/com/bsd/pjcloud/gateway/config/SpringDocConfiguration.java

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+package com.bsd.pjcloud.gateway.config;
+
+import com.alibaba.nacos.client.naming.event.InstancesChangeEvent;
+import com.alibaba.nacos.common.notify.Event;
+import com.alibaba.nacos.common.notify.NotifyCenter;
+import com.alibaba.nacos.common.notify.listener.Subscriber;
+import com.alibaba.nacos.common.utils.StringUtils;
+import lombok.RequiredArgsConstructor;
+import org.springdoc.core.properties.AbstractSwaggerUiConfigProperties;
+import org.springdoc.core.properties.SwaggerUiConfigProperties;
+import org.springdoc.webflux.ui.SwaggerResourceResolver;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.cloud.client.discovery.DiscoveryClient;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.core.io.Resource;
+import org.springframework.web.reactive.resource.ResourceResolverChain;
+import org.springframework.web.server.ServerWebExchange;
+import reactor.core.publisher.Mono;
+
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * @author pjcloud
+ * @date 2022/3/26
+ * <p>
+ * swagger 3.0 展示
+ */
+@RequiredArgsConstructor
+@Configuration(proxyBeanMethods = false)
+@ConditionalOnProperty(value = "springdoc.api-docs.enabled", matchIfMissing = true)
+public class SpringDocConfiguration implements InitializingBean {
+
+	private final SwaggerUiConfigProperties swaggerUiConfigProperties;
+
+	private final DiscoveryClient discoveryClient;
+
+	/**
+	 * 在初始化后调用的方法，用于注册SwaggerDocRegister订阅器
+	 */
+	@Override
+	public void afterPropertiesSet() {
+		SwaggerDocRegister swaggerDocRegister = new SwaggerDocRegister(swaggerUiConfigProperties, discoveryClient);
+		// 手动调用一次，避免监听事件掉线问题
+		swaggerDocRegister.onEvent(null);
+		NotifyCenter.registerSubscriber(swaggerDocRegister);
+	}
+
+	/**
+	 * Swagger resource resolver swagger resource resolver.
+	 * @param swaggerUiConfigProperties the swagger ui config properties
+	 * @return the swagger resource resolver
+	 */
+	@Bean
+	@Lazy(false)
+	SwaggerResourceResolver swaggerResourceResolver(SwaggerUiConfigProperties swaggerUiConfigProperties) {
+		return new SwaggerResourceResolverPlus(swaggerUiConfigProperties);
+	}
+
+}
+
+/**
+ * 扩展的 SwaggerResourceResolver 类
+ */
+class SwaggerResourceResolverPlus extends SwaggerResourceResolver {
+
+	/**
+	 * 构造方法
+	 * @param swaggerUiConfigProperties Swagger UI 配置属性
+	 */
+	public SwaggerResourceResolverPlus(SwaggerUiConfigProperties swaggerUiConfigProperties) {
+		super(swaggerUiConfigProperties);
+	}
+
+	/**
+	 * 解析资源
+	 * @param exchange ServerWebExchange 对象
+	 * @param requestPath 请求路径
+	 * @param locations 资源位置列表
+	 * @param chain ResourceResolverChain 对象
+	 * @return 解析后的 Mono<Resource> 对象
+	 */
+	@Override
+	public Mono<Resource> resolveResource(ServerWebExchange exchange, String requestPath,
+			List<? extends Resource> locations, ResourceResolverChain chain) {
+		Mono<Resource> resolved = chain.resolveResource(exchange, requestPath, locations);
+		if (!Mono.empty().equals(resolved) && requestPath.startsWith("swagger-ui")) {
+			String webJarResourcePath = findWebJarResourcePath(requestPath);
+			if (webJarResourcePath != null)
+				return chain.resolveResource(exchange, webJarResourcePath, locations);
+		}
+		return resolved;
+	}
+
+}
+
+/**
+ * Swagger文档注册器，继承自Subscriber<InstancesChangeEvent>
+ */
+@RequiredArgsConstructor
+class SwaggerDocRegister extends Subscriber<InstancesChangeEvent> {
+
+	private final SwaggerUiConfigProperties swaggerUiConfigProperties;
+
+	private final DiscoveryClient discoveryClient;
+
+	/**
+	 * 事件回调方法，处理InstancesChangeEvent事件
+	 * @param event 事件对象
+	 */
+	@Override
+	public void onEvent(InstancesChangeEvent event) {
+		Set<AbstractSwaggerUiConfigProperties.SwaggerUrl> swaggerUrlSet = discoveryClient.getServices()
+			.stream()
+			.flatMap(serviceId -> discoveryClient.getInstances(serviceId).stream())
+			.filter(instance -> StringUtils.isNotBlank(instance.getMetadata().get("spring-doc")))
+			.map(instance -> {
+				AbstractSwaggerUiConfigProperties.SwaggerUrl swaggerUrl = new AbstractSwaggerUiConfigProperties.SwaggerUrl();
+				swaggerUrl.setName(instance.getServiceId());
+				swaggerUrl.setUrl(String.format("/%s/v3/api-docs", instance.getMetadata().get("spring-doc")));
+				return swaggerUrl;
+			})
+			.collect(Collectors.toSet());
+
+		swaggerUiConfigProperties.setUrls(swaggerUrlSet);
+	}
+
+	/**
+	 * 订阅类型方法，返回订阅的事件类型
+	 * @return 订阅的事件类型
+	 */
+	@Override
+	public Class<? extends Event> subscribeType() {
+		return InstancesChangeEvent.class;
+	}
+
+}

pjcloud-gateway/src/main/java/com/bsd/pjcloud/gateway/filter/HttpBasicGatewayFilter.java

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+/*
+ *    Copyright (c) 2018-2025, pjcloud All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * Neither the name of the pig4cloud.com developer nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * Author: pjcloud
+ */
+
+package com.bsd.pjcloud.gateway.filter;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.cloud.gateway.filter.GatewayFilter;
+import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.server.reactive.ServerHttpRequest;
+import org.springframework.http.server.reactive.ServerHttpResponse;
+import org.springframework.stereotype.Component;
+import org.springframework.web.server.ServerWebExchange;
+
+/**
+ * @author pjcloud
+ * @date 2018/10/30
+ * <p>
+ * 自定义basic认证，针对特殊场景使用
+ */
+@Slf4j
+@Component
+public class HttpBasicGatewayFilter extends AbstractGatewayFilterFactory {
+
+	@Override
+	public GatewayFilter apply(Object config) {
+		return (exchange, chain) -> {
+			if (hasAuth(exchange)) {
+				return chain.filter(exchange);
+			}
+			else {
+				ServerHttpResponse response = exchange.getResponse();
+				response.setStatusCode(HttpStatus.UNAUTHORIZED);
+				response.getHeaders().add(HttpHeaders.WWW_AUTHENTICATE, "Basic Realm=\"pjcloud\"");
+				return response.setComplete();
+			}
+		};
+	}
+
+	/**
+	 * 简单的basic认证
+	 * @param exchange 上下文
+	 * @return 是否有权限
+	 */
+	private boolean hasAuth(ServerWebExchange exchange) {
+		ServerHttpRequest request = exchange.getRequest();
+		String auth = request.getHeaders().getFirst(HttpHeaders.AUTHORIZATION);
+		log.info("Basic认证信息为：{}", auth);
+		return true;
+	}
+
+}

pjcloud-gateway/src/main/java/com/bsd/pjcloud/gateway/filter/PjcloudRequestGlobalFilter.java

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+/*
+ *    Copyright (c) 2018-2025, pjcloud All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * Neither the name of the pig4cloud.com developer nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * Author: pjcloud
+ */
+
+package com.bsd.pjcloud.gateway.filter;
+
+import com.bsd.pjcloud.common.core.constant.CommonConstants;
+import com.bsd.pjcloud.common.core.constant.SecurityConstants;
+import org.springframework.cloud.gateway.filter.GatewayFilterChain;
+import org.springframework.cloud.gateway.filter.GlobalFilter;
+import org.springframework.core.Ordered;
+import org.springframework.http.server.reactive.ServerHttpRequest;
+import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
+import org.springframework.web.server.ServerWebExchange;
+import reactor.core.publisher.Mono;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.stream.Collectors;
+
+import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.GATEWAY_REQUEST_URL_ATTR;
+import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.addOriginalRequestUrl;
+
+/**
+ * @author pjcloud
+ * @date 2018/10/8
+ * <p>
+ * 全局拦截器，作用所有的微服务
+ * <p>
+ * 1. 对请求头中参数进行处理 from 参数进行清洗 2. 重写StripPrefix = 1,支持全局
+ * <p>
+ * 支持swagger添加X-Forwarded-Prefix header （F SR2 已经支持，不需要自己维护）
+ */
+@Component
+public class PjcloudRequestGlobalFilter implements GlobalFilter, Ordered {
+
+	/**
+	 * Process the Web request and (optionally) delegate to the next {@code WebFilter}
+	 * through the given {@link GatewayFilterChain}.
+	 * @param exchange the current server exchange
+	 * @param chain provides a way to delegate to the next filter
+	 * @return {@code Mono<Void>} to indicate when request processing is complete
+	 */
+	@Override
+	public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
+		// 1. 清洗请求头中from 参数
+		ServerHttpRequest request = exchange.getRequest().mutate().headers(httpHeaders -> {
+			httpHeaders.remove(SecurityConstants.FROM);
+			// 设置请求时间
+			httpHeaders.put(CommonConstants.REQUEST_START_TIME,
+					Collections.singletonList(String.valueOf(System.currentTimeMillis())));
+		}).build();
+
+		// 2. 重写StripPrefix
+		addOriginalRequestUrl(exchange, request.getURI());
+		String rawPath = request.getURI().getRawPath();
+		String newPath = "/" + Arrays.stream(StringUtils.tokenizeToStringArray(rawPath, "/"))
+			.skip(1L)
+			.collect(Collectors.joining("/"));
+		ServerHttpRequest newRequest = request.mutate().path(newPath).build();
+		exchange.getAttributes().put(GATEWAY_REQUEST_URL_ATTR, newRequest.getURI());
+
+		return chain.filter(exchange.mutate().request(newRequest.mutate().build()).build());
+	}
+
+	@Override
+	public int getOrder() {
+		return 10;
+	}
+
+}

pjcloud-gateway/src/main/java/com/bsd/pjcloud/gateway/filter/PreviewGatewayFilter.java

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+/*
+ *    Copyright (c) 2018-2025, pjcloud All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * Neither the name of the pig4cloud.com developer nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * Author: pjcloud
+ */
+
+package com.bsd.pjcloud.gateway.filter;
+
+import cn.hutool.core.util.StrUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.cloud.gateway.filter.GatewayFilter;
+import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.server.reactive.ServerHttpRequest;
+import org.springframework.http.server.reactive.ServerHttpResponse;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author pjcloud
+ * @date 2018/8/21 演示环境过滤处理
+ */
+@Slf4j
+@Component
+public class PreviewGatewayFilter extends AbstractGatewayFilterFactory {
+
+	private static final String TOKEN = "token";
+
+	@Override
+	public GatewayFilter apply(Object config) {
+		return (exchange, chain) -> {
+			ServerHttpRequest request = exchange.getRequest();
+
+			// GET，直接向下执行
+			if (StrUtil.equalsIgnoreCase(request.getMethod().name(), HttpMethod.GET.name())
+					|| StrUtil.containsIgnoreCase(request.getURI().getPath(), TOKEN)) {
+				return chain.filter(exchange);
+			}
+
+			log.warn("演示环境不能操作-> {},{}", request.getMethod().name(), request.getURI().getPath());
+			ServerHttpResponse response = exchange.getResponse();
+			response.setStatusCode(HttpStatus.LOCKED);
+			return response.setComplete();
+		};
+	}
+
+}