~~~ package com.kimgao.bootlauch.config; import lombok.extern.slf4j.Slf4j; import org.springframework.web.servlet.HandlerInterceptor; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @Slf4j public class CustomHandlerInterceptor implements HandlerInterceptor { @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { log.info("preHandle:请求前调用"); //返回 false 则请求中断 return true; } @Override public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception { log.info("postHandle:请求后调用"); } @Override public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception { log.info("afterCompletion:请求调用完成后回调方法，即在视图渲染完成后回调"); } } ~~~