stream-query

<!-- 已包含mybatis-plus、stream-core、不用重复引入 -->
<!-- https://mvnrepository.com/artifact/org.dromara.stream-query/stream-plugin-mybatis-plus -->
<dependency>
   <groupId>org.dromara.stream-query</groupId>
   <artifactId>stream-plugin-mybatis-plus</artifactId>
   <version>2.1.0</version>
</dependency>
<!-- 可单独引入 -->
<!-- https://mvnrepository.com/artifact/org.dromara/stream-core -->
<dependency>
  <groupId>org.dromara.stream-query</groupId>
  <artifactId>stream-core</artifactId>
  <version>2.1.0</version>
</dependency>

implementation group: 'org.dromara.stream-query', name: 'stream-plugin-mybatis-plus', version: 'x.x.x'
implementation group: 'org.dromara.stream-query', name: 'stream-core', version: 'x.x.x'

@Bean
public DynamicMapperHandler dynamicMapperHandler(SqlSessionFactory sqlSessionFactory) throws Exception {
    // 使用ClassHelper的scanClasses方法扫描对应路径下的po生成Class文件集合放入第二个参数就可以了
    final List<Class<?>>entityClassList=ClassHelper.scanClasses("com.ruben.pojo.po");
    return new DynamicMapperHandler(sqlSessionFactory,entityClassList);
}

Database.saveBatch(userList);

// 批量保存
Database.saveBatch(userList);
// 使用userIds进行in查询，得到map key为id，value为entity对象
Map<Long, UserInfo> idUserMap=OneToOne.of(UserInfo::getId).in(userIds).query();