1.报错：
警告: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [spring/spring-dao.xml]: Cannot create inner bean ‘com.github.pagehelper.PageInterceptor#569cfc36’ of type [com.github.pagehelper.PageInterceptor] while setting bean property ‘plugins’ with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘com.github.pagehelper.PageInterceptor#569cfc36’ defined in class path resource [spring/spring-dao.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are:
PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property ‘properties’ threw exception; nested exception is com.github.pagehelper.PageException: java.lang.ClassNotFoundException: mysql

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [spring/spring-dao.xml]: Cannot create inner bean ‘com.github.pagehelper.PageInterceptor#569cfc36’ of type [com.github.pagehelper.PageInterceptor] while setting bean property ‘plugins’ with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘com.github.pagehelper.PageInterceptor#569cfc36’ defined in class path resource [spring/spring-dao.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are:
PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property ‘properties’ threw exception; nested exception is com.github.pagehelper.PageException: java.lang.ClassNotFoundException: mysql *

• 这是原本的代码在spring-mybatis.xml
  
  错误原因：
  1.pom.xml中版本超过5.0，要写成== PageInterceptor ==
  2.diatiec有问题，删掉，在上面加上== value=“mysql” ==
  
  修改后代码：