spring跨域设置

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

/**
* @author gaohailiang
* @date created on 2018/6/7
*/
@Component
public class CorsConfigurerAdapter extends WebMvcConfigurerAdapter {
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/*").allowedOrigins("*");
    }
}