springboot1.x 和 springboot2.x 配置攔截器區別就在於註冊攔截器的方式不同，springboot1.x 配置方法是：

public class WebAppConfig extends WebMvcConfigurerAdapter { 

springboot2.x 配置方法是：

public class LoginConfigurer implements WebMvcConfigurer {

下面詳細的介紹使用方法。

一、springboot1.x 配置方法

1、註冊攔截器

public class WebAppConfig extends
 
 WebMvcConfigurerAdapter {  

    @Override  
    public void addInterceptors(InterceptorRegistry registry) {  
        //註冊自定義攔截器，新增攔截路徑和排除攔截路徑  
        registry.addInterceptor(new InterceptorConfig()).addPathPatterns("user/**").excludePathPatterns("admin/login");  
    }  
} 

2、實現 實現HandlerInterceptor介面

public class InterceptorConfig  implements HandlerInterceptor {  

    @Override  
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {  

    }  

    @Override  
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws
 
 Exception {  

    }  

    @Override  
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {  

    }  
}  

二、springboot2.x 配置方法

一、註冊攔截器

@Configuration
public class LoginConfigurer implements WebMvcConfigurer {

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        // 新增一個攔截器，連線以/authorize為字首的url路徑
        registry.addInterceptor(new LoginURLInterceptor()).addPathPatterns("/pageController/authorize/**");
    }
}

2、實現HandlerInterceptor介面

public class LoginURLInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("訪問了/pageController/loginPage路徑。");
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}