Springboot配置拦截器

public class LoginInterceptor implements HandlerInterceptor {

    private static final Logger log = LoggerFactory.getLogger(LoginInterceptor.class);

    /**
     * 进入controller层之前拦截请求
     *
     * @param httpServletRequest
     * @param httpServletResponse
     * @param o
     * @return
     * @throws Exception
     */
    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
　　　　　　log。info("---------------开始进入地址拦截器-------------------")return true;
    }
    //访问controller之后 访问视图之前被调用
    @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---------------");
    }
    //访问视图之后被调用
    @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");
    }

}

/*
拦截器配置类
 */
@Configuration
public class WebAppConfig extends WebMvcConfigurerAdapter {

    // 多个拦截器组成一个拦截器链
    // addPathPatterns 用于添加拦截规则
    // excludePathPatterns 用户排除拦截

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new LoginInterceptor())//添加拦截器
                .addPathPatterns("/**") //拦截所有请求
                .excludePathPatterns("/UserCon/**", "/Doctor/**", "/SMS/**");//对应的不拦截的请求
    }
}