SpringBoot跨域设置问题-JoyCode 编程小战

跨域如下设置报错：

@Configuration
public class CorsConfig extends WebMvcConfigurerAdapter {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowedMethods("POST", "GET", "PUT", "OPTIONS", "DELETE")
                .maxAge(3600)
                .allowCredentials(true);
    }
}

When allowCredentials is true, allowedOrigins cannot contain thespecial 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.

出现该问题是跨域问题，当allowCredentials为true时，allowingOrigins不能包含特殊值“ *”，因为无法在“ Access-Control-Allow-Origin”响应标头上设置，将方法中的addAllowedOrigin("*")替换成addAllowedOriginPattern("*")：

@Configuration
public class CorsConfig extends WebMvcConfigurerAdapter {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOriginPatterns("*")
                .allowedMethods("POST", "GET", "PUT", "OPTIONS", "DELETE")
                .maxAge(3600)
                .allowCredentials(true);
    }
}

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