SpringBoot 整合Mybatis-Plus并输出SQL日志示例详解

    <dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>com.baomidou</groupId>
        <artifactId>mybatis-plus-boot-starter</artifactId>
    </dependency>
    <!-- 根据需要修改数据库 -->
    <dependency>
        <groupId>com.h2database</groupId>
        <artifactId>h2</artifactId>
    </dependency>
</dependencies>

debug: true
logging:
  level:
    root: debug
spring:
  datasource:
    driver-class-name: org.h2.Driver
    url: jdbc:h2:tcp://localhost/D:/ProgramFiles/h2database/data/test;MODE=MYSQL;
    username:
    password:
mybatis-plus:
  # 所有实体类所在包路径
  type-aliases-package: com.wen3.**.po
  # mapper.xmml文件路径，多个使用逗号分隔
  mapper-locations: classpath*:resources/mapper/*.xml
  configuration:
    log-impl: org.apache.ibatis.logging.slf4j.Slf4jImpl

package com.wen3.demo.mybatisplus.po;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Getter;
import lombok.Setter;
import lombok.experimental.Accessors;
/**
 * <p>
 * 
 * </p>
 *
 * @author tangheng
 * @since 2023-05-21
 */
@Getter
@Setter
@Accessors(chain = true)
@TableName("USER")
public class UserPo {
    /**
     * 用户id
     */
    @TableId(value = "USER_ID", type = IdType.AUTO)
    private String userId;
    /**
     * 用户姓名
     */
    @TableField("USER_NAME")
    private String userName;
    /**
     * 用户性别
     */
    @TableField("USER_SEX")
    private String userSex;
    /**
     * 用户邮箱
     */
    @TableField("USER_EMAIL")
    private String userEmail;
    /**
     * 用户账号
     */
    @TableField("USER_ACCOUNT")
    private String userAccount;
    /**
     * 用户地址
     */
    @TableField("USER_ADDRESS")
    private String userAddress;
    /**
     * 用户密码
     */
    @TableField("USER_PASSWORD")
    private String userPassword;
    /**
     * 用户城市
     */
    @TableField("USER_CITY")
    private String userCity;
    /**
     * 用户状态
     */
    @TableField("USER_STATUS")
    private Integer userStatus;
    /**
     * 用户区县
     */
    @TableField("USER_SEAT")
    private String userSeat;
}

package com.wen3.demo.mybatisplus.dao;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.wen3.demo.mybatisplus.po.UserPo;
import java.util.Map;
public interface UserMapper extends BaseMapper<UserPo> {
}

package com.wen3.demo.mybatisplus.service;
import com.wen3.demo.mybatisplus.po.UserPo;
import java.util.Map;
public interface UserService {
    UserPo getById(String userId);
}

package com.wen3.demo.mybatisplus.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.wen3.demo.mybatisplus.po.UserPo;
import com.wen3.demo.mybatisplus.dao.UserMapper;
import com.wen3.demo.mybatisplus.service.UserService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.stereotype.Service;
import java.util.Map;
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, UserPo> implements UserService {
    @Override
    public UserPo getById(String userId) {
        LambdaQueryWrapper<UserPo> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(UserPo::getUserId, userId);
        return baseMapper.selectOne(queryWrapper);
    }
}

package com.wen3.demo.mybatisplus.service;
import com.wen3.demo.mybatisplus.MybatisPlusSpringbootTestBase;
import com.wen3.demo.mybatisplus.po.UserPo;
import jakarta.annotation.Resource;
import org.junit.jupiter.api.Test;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.*;
class UserServiceTest extends MybatisPlusSpringbootTestBase {
    @Resource
    private UserService userService;
    @Test
    void getById() {
        String userId = "U11902a8436094248a45dd3821b07e82a1651108484889";
        UserPo testResult = userService.getById(userId);
        log.info("testResult: {}", testResult);
    }
}

mybatis-plus:
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

mybatis-plus:
  configuration:
    log-impl: org.apache.ibatis.logging.slf4j.Slf4jImpl