MapperRegistry
BindingException异常：Type interface com.niuyun.dao.UserDao is not known to the MapperRegistry.解决了
## Mybatis出现：`org.apache.ibatis.binding.BindingException: Type interface com.niuyun.dao.UserDao is not known to the MapperRegistry.`的错误，如何解决？ #### 错误如 ......
mybatis出现Type interface com.louis.dao.xxxMapper is not known to the MapperRegistry.
原因是资源文件没有读取到，在生成的target中没有对应的文件，解决办法： 1、在pom.xml文件中project中添加如下内容： <build> <resources> <resource> <directory>src/main/resources</directory> <includes> ......