使用@Component注解时 @Autowired注入为null

参考：​​Springboot @Component下@Autowired的注入为null【转】​​ 1.private static 当前component
2.PostConstruct实例化
3.调用
例：

@Component
public class GrayScaleSubscribeListener extends BasicSubscribeListener {


    @Autowired
    private IWebhookService webhookService;
    @Autowired
    private IWebhookSettingsService webhookSettingsService;

    private static GrayScaleSubscribeListener grayScaleListener;

    @PostConstruct
    public void initGrayScale() {
        grayScaleListener = this;
        grayScaleListener.webhookService = this.webhookService;
        grayScaleListener.webhookSettingsService = this.webhookSettingsService;
    }

具体调用

grayScaleListener.webhookSettingsService.getOne(queryWrapper);