解决方案：

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/**
 * 设置跨域请求
 */
@Configuration
public class MyConfiguration {
    @Bean
    public FilterRegistrationBean corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        config.addAllowedOrigin("*");// 1 设置访问源地址
        config.addAllowedHeader("*");// 2 设置访问源请求头
        config.addAllowedMethod("*");// 3 设置访问源请求方法
        source.registerCorsConfiguration("/**", config);
        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
        bean.setOrder(0);
        return bean;
    }
}