No qualifying bean of type 'com.icompanybar.programmer.service.AnnounceService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
報這樣的錯一般是因為自己的service沒有注解@Service,所以找不到,這時候查看自己的service層的實現類上面有沒有注解@Service