要在Spring Boot中使用MyBatis的分页功能,可以按照以下步骤进行操作:
在pom.xml文件中添加MyBatis和MyBatis分页插件的依赖:<dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>2.1.4</version></dependency><dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>5.2.1</version></dependency>在application.properties文件中配置MyBatis和分页插件的相关属性:mybatis.mapper-locations=classpath:mapper/*.xmlpagehelper.helperDialect=mysqlpagehelper.reasonable=truepagehelper.supportMethodsArguments=true在MyBatis的Mapper接口中定义查询方法,并在方法参数中添加PageHelper的相关参数:import com.github.pagehelper.Page;import org.apache.ibatis.annotations.Mapper;import java.util.List;@Mapperpublic interface UserMapper { List<User> selectAll(Page<User> page);}在Service层中调用Mapper接口的方法,传入PageHelper的参数:import com.github.pagehelper.Page;import com.github.pagehelper.PageHelper;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;@Servicepublic class UserService { @Autowired private UserMapper userMapper; public List<User> getAllUsers(int pageNum, int pageSize) { Page<User> page = PageHelper.startPage(pageNum, pageSize); return userMapper.selectAll(page); }}在Controller层中接收前端传入的分页参数,并调用Service层的方法:import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.RestController;import java.util.List;@RestControllerpublic class UserController { @Autowired private UserService userService; @GetMapping("/users") public List<User> getUsers(@RequestParam int pageNum, @RequestParam int pageSize) { return userService.getAllUsers(pageNum, pageSize); }}通过以上步骤,就可以在Spring Boot中使用MyBatis的分页功能了。在Controller层中传入pageNum和pageSize参数,调用Service层的方法查询相应页的数据,并返回给前端页面展示。


