spring boot 2.4.x 跨域配置

spring boot 2.4.x 跨域配置

	@Bean
	public CorsFilter corsFilter() {
		// 1.添加CORS配置信息
		CorsConfiguration config = new CorsConfiguration();
		// 放行哪些原始域
		config.addAllowedOriginPattern("*");
		// 是否发送Cookie信息
		config.setAllowCredentials(true);
		// 放行哪些原始域(请求方式)
		config.addAllowedMethod("*");
		// 放行哪些原始域(头部信息)
		config.addAllowedHeader("*");
		// 暴露哪些头部信息（因为跨域访问默认不能获取全部头部信息）
		config.addExposedHeader(HttpHeaders.LOCATION);
		config.setExposedHeaders(Arrays.asList("JSESSIONID", "SESSION", "token", HttpHeaders.LOCATION,
				HttpHeaders.ACCEPT, HttpHeaders.ACCESS_CONTROL_ALLOW_HEADERS, HttpHeaders.ACCESS_CONTROL_EXPOSE_HEADERS,
				HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN, HttpHeaders.COOKIE, HttpHeaders.SET_COOKIE,
				HttpHeaders.SET_COOKIE2));
		// 2.添加映射路径
		UrlBasedCorsConfigurationSource configSource = new UrlBasedCorsConfigurationSource();
		configSource.registerCorsConfiguration("/**", config);
		log.info("CorsFilter init end。。。。");
		// 3.返回新的CorsFilter.
		return new CorsFilter(configSource);
	}