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Description:
A component required a bean of type ‘com.gxy.dao.UserDao’ that could not be found.
Action:
Consider defining a bean of type ‘com.gxy.dao.UserDao’ in your configuration.
1、Dao层中添加@mapper
2、.xml文件selece属性值
3、mapper-locations: classpath:mapper/*.xml #指定mapper的配置文件的路径是mapper文件夹下的所有 xml文件。
4、@SpringBootApplication
@MapperScan(“com.gxy.dao.UserDao”)
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