Spring Boot 项目中整合 MyBatis 和 PageHelper的基本步骤

<!-- Spring Boot MyBatis Starter -->
<dependency>
    <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.1.4</version>
</dependency>
<!-- MySQL数据库连接 -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <scope>runtime</scope>
</dependency>
<!-- PageHelper 分页插件 -->
<dependency>
    <groupId>com.github.pagehelper</groupId>
    <artifactId>pagehelper-spring-boot-starter</artifactId>
    <version>1.3.0</version>
</dependency>

# 数据库连接配置
spring.datasource.url=jdbc:mysql://localhost:3306/your_database?serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=your_password
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
# MyBatis 配置
mybatis.type-aliases-package=com.example.demo.model
mybatis.mapper-locations=classpath:mapper/*.xml

# PageHelper 分页插件的配置
pagehelper.helper-dialect=mysql
pagehelper.reasonable=true
pagehelper.support-methods-arguments=true
pagehelper.params=count=countSql

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class UserService {
    @Autowired
    private UserMapper userMapper;
    public PageInfo<User> findUserByPage(int page, int pageSize) {
        // 开启分页
        PageHelper.startPage(page, pageSize);
        // 查询数据
        List<User> users = userMapper.selectAllUsers();
        // 使用PageInfo包装查询结果
        return new PageInfo<>(users);
    }
}

-DServer.port=8080