springboot項目解決跨域問題

配置一個配置類

@Configuration//配置解決跨域問題
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("*");
    }
}