<dependency>
<!--引用包-->
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.4</version>
<exclusions>
<!--剔除存在包-->
<exclusion>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
</exclusion>
</exclusions>
</dependency>