跨域配置类

importorg.springframework.context.annotation.Bean;
importorg.springframework.context.annotation.Configuration;
importorg.springframework.web.cors.CorsConfiguration;
importorg.springframework.web.cors.UrlBasedCorsConfigurationSource;
importorg.springframework.web.filter.CorsFilter;
@ConfigurationpublicclassCorsConfig {
// 当前跨域请求最大有效时长。这里默认1天privatestaticfinallongMAX_AGE=24*60*60;
@BeanpublicCorsFiltercorsFilter() {
UrlBasedCorsConfigurationSourcesource=newUrlBasedCorsConfigurationSource();
CorsConfigurationcorsConfiguration=newCorsConfiguration();
corsConfiguration.addAllowedOrigin("*"); // 1 设置访问源地址corsConfiguration.addAllowedHeader("*"); // 2 设置访问源请求头corsConfiguration.addAllowedMethod("*"); // 3 设置访问源请求方法corsConfiguration.setMaxAge(MAX_AGE);
source.registerCorsConfiguration("/**", corsConfiguration); // 4 对接口配置跨域设置returnnewCorsFilter(source);
    }
}