解决跨域问题

springmvc自带解决跨域问题的方法，需要在springboot中配置就可以解决跨域问题

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 LeyouCorsConfiguration {

    @Bean
    public CorsFilter corsFilter(){
        //初始化cors配置对象
        CorsConfiguration configuration=new CorsConfiguration();
        //允许跨域的域名
        configuration.addAllowedOrigin("http://manage.leyou.com");
        configuration.setAllowCredentials(true);//允许携带cookie
        configuration.addAllowedMethod("*");//代表所有的请求方法都支持，post、get、put、delete
        configuration.addAllowedHeader("*");//允许携带任何头部信息

        UrlBasedCorsConfigurationSource configurationSource=new UrlBasedCorsConfigurationSource();
        configurationSource.registerCorsConfiguration("/**",configuration);
        //返回corsFilter实例，参数：cors配置源对象
        return new CorsFilter(configurationSource);
    }
}