在SpringBoot中实现自定义拦截器
-
创建类实现SpringMVC框架的HandlerInterceptor接口
public interface HandlerInterceptor { default boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { return true; } default void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable ModelAndView modelAndView) throws Exception { } default void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable Exception ex) throws Exception { } }
-
SpringBoot中注册拦截器:
@Configuration public class MyAppConfig implements WebMvcConfigurer { //添加拦截器对象, 注入到容器中 @Override public void addInterceptors(InterceptorRegistry registry) { //创建拦截器对象 HandlerInterceptor interceptor = new LoginInterceptor(); //指定拦截的请求uri地址 String path []= {"/user/**"}; //指定不拦截的地址 String excludePath [] = {"/user/login"}; registry.addInterceptor(interceptor) .addPathPatterns(path) .excludePathPatterns(excludePath); } }