@Configuration   // 等价于一个spring的xml文件 比如applicationContext.xml

public class WebConfig implements WebMvcConfigurer {

    /**

     * 添加拦截器

     * @param registry

     */

    @Override

    public void addInterceptors(InterceptorRegistry registry) {

        // 拦截器要拦截的路径

        String [] pathPatterns = {

                "/**"

        };

        // 拦截器不拦截的路径

        String [] excluedPathPatterns = {

                "/boot/hello",

                "boot/jsp"

        };

        registry.addInterceptor(new LoginInterceptor()).addPathPatterns(pathPatterns).excludePathPatterns(excluedPathPatterns);

        //如果项目中有多个拦截器,把上面代码在复制一行,修改参数即可

    }

}

registry.addInterceptor(new LoginInterceptor()).addPathPatterns("/boot/**").excludePathPatterns(/boot/login);