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詳解SpringBoot開(kāi)發(fā)使用@ImportResource注解影響攔截器

更新時(shí)間：2018年11月26日 14:28:26 作者：袁老板

這篇文章主要介紹了詳解SpringBoot開(kāi)發(fā)使用@ImportResource注解影響攔截器，小編覺(jué)得挺不錯(cuò)的，現(xiàn)在分享給大家，也給大家做個(gè)參考。一起跟隨小編過(guò)來(lái)看看吧

問(wèn)題描述

今天在給SpringBoot項(xiàng)目配置攔截器的時(shí)候發(fā)現(xiàn)怎么都進(jìn)不到攔截器的方法里面，在搜索引擎上看了無(wú)數(shù)篇關(guān)于配置攔截器的文章都沒(méi)有找到解決方案。

就在我準(zhǔn)備放棄的時(shí)候，在 CSDN 上發(fā)現(xiàn)了一篇文章，說(shuō)的是SpringBoot 用了@ImportResource 配置的攔截器就不起作用了。于是我就趕緊到Application啟動(dòng)類(lèi)看了一眼，果然項(xiàng)目中使用了@ImportResource 注解用于配置系統(tǒng)的參數(shù)。

代碼如下：

啟動(dòng)類(lèi)配置

package com.xx.xxx;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.boot.web.support.SpringBootServletInitializer;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;


@EnableDiscoveryClient
@EnableAutoConfiguration(exclude = {DataSourceAutoConfiguration.class,
    ThymeleafAutoConfiguration.class})
@SpringBootApplication
// 注意這里 ?。。?！
@ImportResource(locations={"classpath:config/application-*.xml"})
@EnableHystrix
public class Application extends SpringBootServletInitializer {
  
  public static void main(String[] args) {
   SpringApplication.run(Application.class, args);
  }
}

攔截器配置

package com.xx.xxx.config;

import com.example.springbootdemo.Interceptor.LoginInterceptor;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportResource;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;


@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {

  /**
   * 攔截器(用戶(hù)登錄驗(yàn)證)
   * @param registry
   */
  @Override
  public void addInterceptors(InterceptorRegistry registry) {
    // addPathPatterns 用于添加攔截規(guī)則
    // excludePathPatterns 用戶(hù)排除攔截
    registry.addInterceptor(new LoginInterceptor()).addPathPatterns("/**").excludePathPatterns("/user","/login");
    super.addInterceptors(registry);
  }
}

攔截器實(shí)現(xiàn)

package com.xx.xxx.interceptor;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor implements HandlerInterceptor {
  
  private final static Logger LOGGER = LoggerFactory.getLogger(LoginInterceptor.class);
  
  @Override
  public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
    LOGGER.info("******進(jìn)來(lái)了******");
    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 {
  }
}

具體為什么使用@ImportResource注解會(huì)影響攔截器的配置，如果有機(jī)會(huì)研究一下源碼或許能夠找到答案。

PS : SpringBoot 版本 1.5.2

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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