springboot拦截器_springboot拦截器完整列子-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_44714808/article/details/94335576

本文详细介绍SpringBoot中实现请求拦截的步骤，通过创建LoginInterceptor类并实现HandlerInterceptor接口，配合WebAppConfig类进行全局路径拦截配置，展示了如何在请求前、后及视图渲染后进行日志记录。

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springboot的拦截器只需要配置两个类即可

public class LoginInterceptor implements HandlerInterceptor {

    private static final Logger log = LoggerFactory.getLogger(LoginInterceptor.class);
    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {

        log.info("---------------------开始进入请求地址拦截----------------------------");
        return true;

    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
        log.info("--------------处理请求完成后视图渲染之前的处理操作---------------");
    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
        log.info("---------------视图渲染之后的操作-------------------------0");
    }

}

@Configuration
public class WebAppConfig extends WebMvcConfigurerAdapter{
    @Override
    public void addInterceptors(InterceptorRegistry registry){
        registry.addInterceptor(new LoginInterceptor()).addPathPatterns("/**");
    }
}

要拦截的请求可以在addPathPatterns("/**")中修改