跨域处理设置

import org.springframework.boot.web.servlet.FilterRegistrationBean;
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 CrossOriginsConfig {
	
	public CrossOriginsConfig(){
		System.out.println("*************** CrossOriginsConfig*********");
	}

	@Bean
	public CorsFilter corsFilter() {

		CorsConfiguration config =new CorsConfiguration();

		config.addAllowedOrigin("*");

		config.setAllowCredentials(true);

		config.addAllowedMethod("*");

		config.addAllowedHeader("*");

		UrlBasedCorsConfigurationSource configSource =new UrlBasedCorsConfigurationSource();

		configSource.registerCorsConfiguration("/**", config);

		return new CorsFilter(configSource);

	}

	@Bean
	public FilterRegistrationBean registrationBean() {
		FilterRegistrationBean bean = new FilterRegistrationBean(corsFilter());
		bean.setOrder(0);
		return bean;
	}
	
}