详解SpringBoot 解决拦截器注入Service为空问题

/** *  * Created by zhh on 2018/04/20. */public class MyInterceptor implements HandlerInterceptor { @Autowired private NetworkProxyInfoService networkProxyInfoService;  @Override public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)   throws Exception {  // TODO Auto-generated method stub } @Override public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)   throws Exception {  networkProxyInfoService.getAllNetworkProxyInfoByIsValid(GobalConstant.ProxyValid.VALID); } @Override public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2) throws Exception {  // TODO Auto-generated method stub  return true; }}

/** *  * Created by zhh on 2018/04/20. */@Configurationpublic class MyWebMvcConfig extends WebMvcConfigurerAdapter {  /**  * 将自定义拦截器作为Bean写入配置  * @return  */ @Bean public MyInterceptor myInterceptor() {  return new MyInterceptor(); } @Override public void addInterceptors(InterceptorRegistry registry) {  /**   * 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   */  registry.addInterceptor(myInterceptor()).addPathPatterns("/**");  super.addInterceptors(registry); } }