spring boot和mybatis集成分页插件

<dependency>
 <groupId>com.github.pagehelper</groupId>
 <artifactId>pagehelper</artifactId>
 <version>4.1.0</version>
</dependency>

package com.example.mybatis;

import java.util.Properties;

import javax.sql.DataSource;

import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;

import com.github.pagehelper.PageHelper;

@Configuration
//加上这个注解，使得支持事务
@EnableTransactionManagement
public class MyBatisConfig implements TransactionManagementConfigurer {
 @Autowired
 private DataSource dataSource;
 
 @Override
 public PlatformTransactionManager annotationDrivenTransactionManager() {
  return new DataSourceTransactionManager(dataSource);
 }
 
 @Bean(name = "sqlSessionFactory")
 public SqlSessionFactory sqlSessionFactoryBean(PageHelper pageHelper) {
  SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
  bean.setDataSource(dataSource);

　　　//自定义数据库配置的时候，需要将pageHelper的bean注入到Plugins中，如果采用系统默认的数据库配置，则只需要定义pageHelper的bean，会自动注入。  

　　　bean.setPlugins(new Interceptor[] { pageHelper });
  try {
   return bean.getObject();
  } catch (Exception e) {
   e.printStackTrace();
   throw new RuntimeException(e);
  }
 }

 @Bean
 public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory) {
  return new SqlSessionTemplate(sqlSessionFactory);
 }
 
 @Bean
 public PageHelper pageHelper() {
  PageHelper pageHelper = new PageHelper();
  Properties p = new Properties();
  p.setProperty("offsetAsPageNum", "true");
  p.setProperty("rowBoundsWithCount", "true");
  p.setProperty("reasonable", "true");
  p.setProperty("dialect", "mysql");
  pageHelper.setProperties(p);
  return pageHelper;
 }
}

 @RequestMapping("/likename")
 public List<Student> likeName(@RequestParam String name){
  PageHelper.startPage(1, 1);
  return stuMapper.likeName(name);
 }