1 创建拦截器配置类

@Configurationpublic class WebMvcConfigurer extends WebMvcConfigurerAdapter{		//拦截器1	@Autowired	ApiIntercepter apiIntercepter;		//拦截器2	@Autowired	ApiIntercepter2 apiIntercepter2;		@Override	public void addInterceptors(InterceptorRegistry registry) {		//添加拦截器，并且拦截哪个路径下的所有接口，*代表任意的分类名，**是任意的接口名		registry.addInterceptor(apiIntercepter2).addPathPatterns("/login/**");		registry.addInterceptor(apiIntercepter).addPathPatterns("/login/**");		super.addInterceptors(registry);	}}复制代码

2 添加拦截器

@Componentpublic class ApiIntercepter implements HandlerInterceptor {	@Override	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)			throws Exception {		System.out.println("拦截到了,放行");				//这里return ture就会放行，如果false就终止往下传，直接在这边处理		return true;		// return HandlerInterceptor.super.preHandle(request, response, handler);	}}复制代码