运行springboot项目报错：Field userMapper in XX required a bean of type 'xx' that could not be found.，运行springboot

运行springboot项目报错：Field userMapper in XX required a bean of type 'xx' that could not be found.，运行springboot

运行springboot项目报错：

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APPLICATION FAILED TO START

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Description:

Field userMapper in com.whohim.springboot.service.impl.UserServiceImpl required a bean of type 'com.whohim.springboot.dao.UserMapper' that could not be found.

Action:

Consider defining a bean of type 'com.whohim.springboot.dao.UserMapper' in your configuration.

Process finished with exit code 0

在项目启动类加上下面注解即可（扫描对应的mapper包）