这是我的代码,我在Java类中自动装配它

  private InfoModel infoModel;

  @Autowired
  public void setInfoModel(InfoModel infoModel) {
    this.infoModel= infoModel;
  }

我错过了什么.我怀疑我应该创建一个InfoModel接口才能使其自动装配？

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [com.model.InfoModel] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}
    at org.springframework.beans.factory.support.DefaultListablebeanfactory.raiseNoSuchBeanDefinitionException(DefaultListablebeanfactory.java:920)
    at org.springframework.beans.factory.support.DefaultListablebeanfactory.doResolveDependency(DefaultListablebeanfactory.java:789)
    at org.springframework.beans.factory.support.DefaultListablebeanfactory.resolveDependency(DefaultListablebeanfactory.java:703)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:547)