配置Spring Boot 跨域后PUT,DELETE方法出现403Forbidden

配置

@Configuration
public class CorsConfiguration {
    @Bean
    public WebMvcConfigurer corsConfigurer() {
        return new WebMvcConfigurer() {
            @Override
            public void addCorsMappings(CorsRegistry registry) {
                registry.addMapping("/**");
            }
        };
    }
}

前端请求

配置Spring Boot 跨域后PUT,DELETE方法出现403Forbidden

错误原因:SpringBoot默认跨域方法只支持HEAD,GET,POST

配置类修改后

@Configuration
public class CorsConfiguration {
    @Bean
    public WebMvcConfigurer corsConfigurer() {
        return new WebMvcConfigurer() {
            @Override
            public void addCorsMappings(CorsRegistry registry) {
                registry.addMapping("/**")
                        .allowedOrigins("*")
                        .allowCredentials(true)
                        .allowedMethods("GET", "POST", "PUT", "DELETE");
            }
        };
    }
}

附相关SpringBoot部分源码

//package org.springframework.web.cors.CorsConfiguration

/** Wildcard representing <em>all</em> origins, methods, or headers. */
    public static final String ALL = "*";

    private static final List<HttpMethod> DEFAULT_METHODS = Collections.unmodifiableList(
            Arrays.asList(HttpMethod.GET, HttpMethod.HEAD));

    private static final List<String> DEFAULT_PERMIT_METHODS = Collections.unmodifiableList(
            Arrays.asList(HttpMethod.GET.name(), HttpMethod.HEAD.name(), HttpMethod.POST.name()));

    private static final List<String> DEFAULT_PERMIT_ALL = Collections.unmodifiableList(
            Collections.singletonList(ALL));


public CorsConfiguration applyPermitDefaultValues() {
        if (this.allowedOrigins == null) {
            this.allowedOrigins = DEFAULT_PERMIT_ALL;
        }
        if (this.allowedMethods == null) {
            this.allowedMethods = DEFAULT_PERMIT_METHODS;
            this.resolvedMethods = DEFAULT_PERMIT_METHODS
                    .stream().map(HttpMethod::resolve).collect(Collectors.toList());
        }
        if (this.allowedHeaders == null) {
            this.allowedHeaders = DEFAULT_PERMIT_ALL;
        }
        if (this.maxAge == null) {
            this.maxAge = 1800L;
        }
        return this;
    }

原文 

http://www.cnblogs.com/hashset/p/11810412.html

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