springboot项目解决跨域问题

配置一个配置类

@Configuration//配置解决跨域问题
public class CrosConfig implements WebMvcConfigurer {

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