自定义的 springboot 过滤器要注册到 spring boot中， 首先先添加一个过滤器，然后在spring boot 进行注册即可。

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import com.reapal.openapi.web.filter.XSSFilter;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Title: 注册自定义过滤器
 * Description:
 *
 * @author liu kai
 * @date 2018/6/26 16:06.
 */
@Configuration
public class XssFilterConfig {

    @Bean
    public FilterRegistrationBean someFilterRegistration() {
        FilterRegistrationBean registration = new FilterRegistrationBean();
        registration.setFilter(new XSSFilter());
        registration.addUrlPatterns("/*");
        registration.setName("xssFilter");
        registration.setOrder(Integer.MAX_VALUE);
        return registration;
    }
}