MapperScan

用@MapperScan可以替换每个dao前加这个@Mapper注解

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APPLICATION FAILED TO START
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Description:

A component required a bean of type 'com.opencloud.zhfz.dzzhyj.server.dao.DzAlertDao'      

。。。
@MapperScan({"com.opencloud.zhfz.dzzhyj.server.dao"})
public class DzzhyjServerApplication extends SpringBootServletInitializer {