错误异常>前端开发
解决方案,如果后台是java来写的,只需要配置一下class即可
@Configuration public class CorsConfig implements WebMvcConfigurer { @Override public void addCorsMappings(CorsRegistry registry) { registry.addMapping("/**") .allowedOrigins("*") .allowCredentials(true) .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS") .maxAge(3600); } }