版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/qq_17011423/article/details/83009798
引入包
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>4.1.0</version>
</dependency>
配置:
//配置mybatis的分页插件pageHelper
@Bean
PageHelper pageHelper() {
//分页插件
PageHelper pageHelper = new PageHelper();
Properties properties = new Properties();
properties.setProperty("reasonable", "true");
properties.setProperty("supportMethodsArguments", "true");
properties.setProperty("returnPageInfo", "check");
properties.setProperty("params", "count=countSql");
pageHelper.setProperties(properties);
return pageHelper;
}
使用:
@Override
public Map getAllUnApprovalApplicationPage(int currentPage, int pageSize) {
PageHelper.startPage(currentPage, pageSize);
String approverUid = "33";
//只有紧跟在 PageHelper.startPage 方法后的第一个 MyBatis 的查询(select)方法会被分页。
List list = approvalMapper.getAllUnApprovalApplication(approverUid);
return PageUtility.buildPageResult(new PageInfo(list));
}
要注意:只有紧跟在 PageHelper.startPage 方法后的第一个 MyBatis 的查询(select)方法会被分页。
此时如果分页失败,可能因为你配置了SqlSessionFactory
@Bean(name = "baseSqlSessionFactory")
@Primary
public SqlSessionFactory setSqlSessionFactory(@Qualifier("baseDataSource") DataSource dataSource) throws Exception {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
bean.setDataSource(dataSource);
Interceptor[] plugins = new Interceptor[]{pageHelper()};
bean.setPlugins(plugins);
bean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources("classpath:mapper/base/*.xml"));
return bean.getObject();
}
特别注意这两条:
Interceptor[] plugins = new Interceptor[]{pageHelper()};
bean.setPlugins(plugins);
此时分页应该没问题了。