一、自定义拦截器实现 HandlerInterceptor 接口
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/**
*
* 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;
}
}二、自定义拦截器配置
/**
*
* Created by zhh on 2018/04/20.
*/
@Configuration
public 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);
}
}以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
本文题目：详解SpringBoot解决拦截器注入Service为空问题
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