Error creating bean with name 'deptController': Unsatisfied dependency expressed through field 'departmentMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentMapper' defined in file [D:demo16targetclassescomexampledemomapperDepartmentMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception; nested exception is java.io.FileNotFoundException: class path resource [mybatis/mybaties-config.xml] cannot be opened because it does not exist
出错情况分析：
1.映射xml文件中的namespace和resultType全类名注意引用正确；
2.yml文件中mybatis的config和mapper地址注意，最好直接引用，不手打。
