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GuLi商城-商品服务-API-三级分类-网关统一配置跨域

news 2025/8/4 8:35:09

参考文档：

https://tangzhi.blog.csdn.net/article/details/126754515

https://github.com/OYCodeSite/gulimall-learning/blob/master/docs/%E8%B0%B7%E7%B2%92%E5%95%86%E5%9F%8E%E2%80%94%E5%88%86%E5%B8%83%E5%BC%8F%E5%9F%BA%E7%A1%80.md

谷粒商城-day04-完成递归查询分类和gateway转发实战_谷粒商城中递归算法代码-CSDN博客

谷粒商城: 学习使我快乐---谷粒商城

谷粒商城笔记 + 完整代码 + 课件资料（基础篇）（学习记录）_谷粒商城资料-CSDN博客

在网关服务中配置允许跨域：

package com.nanjing.gulimall.gateway.config;import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;/*** @author zhou* @version 1.0* @date 2024/3/19 9:56 下午*/
@Configuration
public class GulimallCorsConfiguration {@Beanpublic CorsWebFilter corsWebFilter(){UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();CorsConfiguration corsConfiguration = new CorsConfiguration();//1.配置跨域corsConfiguration.addAllowedHeader("*");corsConfiguration.addAllowedMethod("*");corsConfiguration.addAllowedOrigin("*");//corsConfiguration.addAllowedOriginPattern("*");corsConfiguration.setAllowCredentials(true);source.registerCorsConfiguration("/**", corsConfiguration);return new CorsWebFilter(source);}}

注掉人人项目中已经有的跨域设置

启动网关等服务和人人后端项目、前端项目

启动前端项目，报错 

java.lang.IllegalArgumentException: When allowCredentials is true, allowedOrigins cannot contain the special value "*" since that cannot be set on the "Access-Control-Allow-Origin" response header. To allow credentials to a set of origins, list them explicitly or consider using "allowedOriginPatterns" instead.at org.springframework.web.cors.CorsConfiguration.validateAllowCredentials(CorsConfiguration.java:473) ~[spring-web-5.3.18.jar:5.3.18]Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
Error has been observed at the following site(s):*__checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain]*__checkpoint ⇢ HTTP OPTIONS "/api/sys/menu/nav?t=1711184769371" [ExceptionHandlingWebHandler]
Original Stack Trace:at org.springframework.web.cors.CorsConfiguration.validateAllowCredentials(CorsConfiguration.java:473) ~[spring-web-5.3.18.jar:5.3.18]at org.springframework.web.cors.CorsConfiguration.checkOrigin(CorsConfiguration.java:577) ~[spring-web-5.3.18.jar:5.3.18]at org.springframework.web.cors.reactive.DefaultCorsProcessor.checkOrigin(DefaultCorsProcessor.java:172) ~[spring-web-5.3.18.jar:5.3.18]at org.springframework.web.cors.reactive.DefaultCorsProcessor.handleInternal(DefaultCorsProcessor.java:117) ~[spring-web-5.3.18.jar:5.3.18]at org.springframework.web.cors.reactive.DefaultCorsProcessor.process(DefaultCorsProcessor.java:96) ~[spring-web-5.3.18.jar:5.3.18]at org.springframework.web.cors.reactive.CorsWebFilter.filter(CorsWebFilter.java:79) ~[spring-web-5.3.18.jar:5.3.18]at org.springframework.web.server.handler.DefaultWebFilterChain.invokeFilter(DefaultWebFilterChain.java:127) ~[spring-web-5.3.18.jar:5.3.18]at org.springframework.web.server.handler.DefaultWebFilterChain.lambda$filter$0(DefaultWebFilterChain.java:121) ~[spring-web-5.3.18.jar:5.3.18]at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:44) [reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:64) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52) [reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.Mono.subscribe(Mono.java:4400) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.MonoIgnoreThen$ThenIgnoreMain.subscribeNext(MonoIgnoreThen.java:263) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.MonoIgnoreThen.subscribe(MonoIgnoreThen.java:51) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:64) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.MonoDeferContextual.subscribe(MonoDeferContextual.java:55) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.netty.http.server.HttpServer$HttpServerHandle.onStateChange(HttpServer.java:967) ~[reactor-netty-http-1.0.17.jar:1.0.17]at reactor.netty.ReactorNetty$CompositeConnectionObserver.onStateChange(ReactorNetty.java:677) ~[reactor-netty-core-1.0.17.jar:1.0.17]at reactor.netty.transport.ServerTransport$ChildObserver.onStateChange(ServerTransport.java:478) ~[reactor-netty-core-1.0.17.jar:1.0.17]at reactor.netty.http.server.HttpServerOperations.onInboundNext(HttpServerOperations.java:570) ~[reactor-netty-http-1.0.17.jar:1.0.17]at reactor.netty.channel.ChannelOperationsHandler.channelRead(ChannelOperationsHandler.java:93) ~[reactor-netty-core-1.0.17.jar:1.0.17]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at reactor.netty.http.server.HttpTrafficHandler.channelRead(HttpTrafficHandler.java:222) ~[reactor-netty-http-1.0.17.jar:1.0.17]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:327) ~[netty-codec-4.1.75.Final.jar:4.1.75.Final]at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:299) ~[netty-codec-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:722) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) ~[netty-transport-4.1.75.Final.jar:4.1.75.Final]at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) ~[netty-common-4.1.75.Final.jar:4.1.75.Final]at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.75.Final.jar:4.1.75.Final]at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.75.Final.jar:4.1.75.Final]at java.lang.Thread.run(Thread.java:750) ~[na:1.8.0_345]2024-03-23 17:06:09.685 ERROR 25324 --- [oundedElastic-1] i.n.r.d.DnsServerAddressStreamProviders  : Unable to load io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider, fallback to system defaults. This may result in incorrect DNS resolutions on MacOS.java.lang.reflect.InvocationTargetException: nullat sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_345]at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_345]at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_345]at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_345]at io.netty.resolver.dns.DnsServerAddressStreamProviders.<clinit>(DnsServerAddressStreamProviders.java:64) ~[netty-resolver-dns-4.1.75.Final.jar:4.1.75.Final]at io.netty.resolver.dns.DnsNameResolverBuilder.<init>(DnsNameResolverBuilder.java:60) [netty-resolver-dns-4.1.75.Final.jar:4.1.75.Final]at reactor.netty.transport.NameResolverProvider.newNameResolverGroup(NameResolverProvider.java:479) [reactor-netty-core-1.0.17.jar:1.0.17]at reactor.netty.tcp.TcpResources.getOrCreateDefaultResolver(TcpResources.java:315) [reactor-netty-core-1.0.17.jar:1.0.17]at reactor.netty.http.HttpResources.getOrCreateDefaultResolver(HttpResources.java:152) [reactor-netty-http-1.0.17.jar:1.0.17]at reactor.netty.http.client.HttpClientConfig.defaultAddressResolverGroup(HttpClientConfig.java:383) [reactor-netty-http-1.0.17.jar:1.0.17]at reactor.netty.transport.ClientTransportConfig.resolverInternal(ClientTransportConfig.java:224) [reactor-netty-core-1.0.17.jar:1.0.17]at reactor.netty.http.client.HttpClientConfig.resolverInternal(HttpClientConfig.java:437) [reactor-netty-http-1.0.17.jar:1.0.17]at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect.lambda$subscribe$0(HttpClientConnect.java:264) [reactor-netty-http-1.0.17.jar:1.0.17]at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:57) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.FluxRetryWhen.subscribe(FluxRetryWhen.java:77) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.MonoRetryWhen.subscribeOrReturn(MonoRetryWhen.java:46) ~[reactor-core-3.4.16.jar:3.4.16]at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:57) ~[reactor-core-3.4.16.jar:3.4.16]

查询资料：

https://www.cnblogs.com/zym-k/p/15862181.html

解决办法：修改配置

重新测试OK：

http://www.lryc.cn/news/324211.html

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