``` package com.sn511.demo.config; import com.sn511.demo.interceptor.LoginInterceptor; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.InterceptorRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; @Configuration public class MvcConfig implements WebMvcConfigurer { @Bean public LoginInterceptor getLoginInterceptor(){ return new LoginInterceptor(); } /** * 拦截器配置 */ @Override public void addInterceptors(InterceptorRegistry registry) { registry.addInterceptor(getLoginInterceptor()).addPathPatterns("/**"); } } ```