怎样解决springcloud alibaba gateway跨域问题

怎样解决springcloud alibaba gateway跨域问题，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

1.写个配置类CorsConfig (如果不行，可以不写此类，和springcloud的版本有关)

package net.youqu.micro.service.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;import org.springframework.web.util.pattern.PathPatternParser;/** * description: * java项目www.fhadmin.org */@Configurationpublic class CorsConfig {@Beanpublic CorsWebFilter corsFilter() {        CorsConfiguration config = new CorsConfiguration();        config.addAllowedMethod("*");        config.addAllowedOrigin("*");        config.addAllowedHeader("*");        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource(new PathPatternParser());        source.registerCorsConfiguration("/**", config);return new CorsWebFilter(source);    }}

2. 配置 application.properties 方式

#--------gateway配置--------#跨域配置spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowedOrigins=*spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowedHeaders=*spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowedMethods=*spring.cloud.gateway.globalcors.corsConfigurations.[/**].allowCredentials=true

yaml 方式

spring:  cloud:gateway:      globalcors:corsConfigurations:          '[/**]':allowCredentials: trueallowedHeaders: '*'allowedMethods: '*'allowedOrigins: '*'

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