Springboot配置攔截器

 

 

public class LoginInterceptor implements HandlerInterceptor {

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

    /**
     * 進入controller層之前攔截請求
     *
     * @param httpServletRequest
     * @param httpServletResponse
     * @param o
     * @return
     * @throws Exception
     */
    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
　　　　　　log。info("---------------開始進入地址攔截器-------------------")return true;
    }
    //訪問controller之后 訪問視圖之前被調用
    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
        log.info("--------------處理請求完成后視圖渲染之前的處理操作---------------");
    }
    //訪問視圖之后被調用
    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
        log.info("---------------視圖渲染之后的操作-------------------------0");
    }

}

 

/*
攔截器配置類
 */
@Configuration
public class WebAppConfig extends WebMvcConfigurerAdapter {

    // 多個攔截器組成一個攔截器鏈
    // addPathPatterns 用於添加攔截規則
    // excludePathPatterns 用戶排除攔截

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new LoginInterceptor())//添加攔截器
                .addPathPatterns("/**") //攔截所有請求
                .excludePathPatterns("/UserCon/**", "/Doctor/**", "/SMS/**");//對應的不攔截的請求
    }
}