Spring Boot: 在配置中定义类型为 'com.xxx.xxx.xxx.Dao' 的Bean的解决方案

    Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
    2021-03-18 19:25:49.862 ERROR 247756 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 
    
    ***************************
    APPLICATION FAILED TO START
    ***************************
    
    Description:
    
    Field userDao in com.xxx.xxx.xxx.Controller required a bean of type 'com.xxx.xxx.xxx.Dao' that could not be found.
    
    The injection point has the following annotations:
    	- @org.springframework.beans.factory.annotation