springboot允许跨域配置

springboot允许跨域配置"/>

springboot允许跨域配置

CROS

CORS 全称为 Cross Origin Resource Sharing（跨域资源共享），服务端只需添加相关响应头信息，即可实现客户端发出 AJAX 跨域请求。

允许跨域配置：

springboot 2.0以上的方式

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {@Overridepublic void addCorsMappings(CorsRegistry registry) {registry.addMapping("/**").allowedHeaders("Content-Type","X-Requested-With","accept,Origin","Access-Control-Request-Method","Access-Control-Request-Headers","token").allowedMethods("*").allowedOrigins("*").allowCredentials(true);}/*** 支持PUT、DELETE请求*/@Beanpublic FormContentFilter httpPutFormContentFilter() {return new FormContentFilter();}}

 springboot 2.0以下的方式

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;@Configuration
public class CorsConfig {private CorsConfiguration buildConfig() {CorsConfiguration corsConfiguration = new CorsConfiguration();corsConfiguration.addAllowedOrigin("*"); //允许任何域名corsConfiguration.addAllowedHeader("*"); //允许任何头corsConfiguration.addAllowedMethod("*"); //允许任何方法return corsConfiguration;}@Beanpublic CorsFilter corsFilter() {UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();source.registerCorsConfiguration("/**", buildConfig()); //注册return new CorsFilter(source);}
}