基於 springboot和mybatis的兩表插入（List集合），如果數據已存在，則不插入

封裝的DTO

@Data
public class MallInfoDTO extends InputObject {
    /**
     * 商家ID
     */
    private Integer mallId;
    /**
     * userID
     */
    private Long userId;
    /**
     * 店鋪名稱
     */
    private String mallName;
    /**
     * 成立日期(開店時間)
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date openTime;
    /**
     * 店鋪簡介
     */
    private String mallIntroduction;
    /**
     * 聯繫人姓名
     */
    private String contactName;

    /**
     * 手機號
     */
    private String telephoneNumber;

    /**
     * 郵箱
     */
    private String email;
    /**
     * 營業執照電子版地址1
     */
    private String businessLicenseUrl1;

    /**
     * 營業執照電子版地址2
     */
    private String businessLicenseUrl2;

    /**
     * 公司名稱
     */
    private String companyName;

    /**
     * 營業執照註冊號
     */
    private String businessLicenseNumber;
    /**
     * 營業執照所在地省份
     */
    private String businessLicenseProvince;

    /**
     * 營業執照所在地 市
     */
    private String businessLicenseCity;

    /**
     * 營業執照所在地 區
     */
    private String businessLicenseDistrict;

    /**
     * 營業執照詳細地址
     */
    private String businessLicenseAddress;
    /**
     * 成立日期
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date dateOfEstablishment;
    /**
     * 營業期限開始時間
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date businessTermBegin;

    /**
     * 營業期限結束時間
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date businessTermEnd;
    /**
     * 註冊資金/0-999999999 單位萬元
     */
    private Integer registeredCapital;
    /**
     * 經營範圍
     */
    private String businessScope;
    /**
     * 法定代表人證件類型/1身份證（mybatis中寫死）
     */
    private Integer legalRepresentativeLicenseType;
    /**
     * 法定代表人證件電子版地址1
     */
    private String legalRepresentativeLicenseUrl1;

    /**
     * 法定代表人證件電子版地址2
     */
    private String legalRepresentativeLicenseUrl2;
    /**
     * 法定代表人姓名
     */
    private String legalRepresentativeName;
    /**
     * 法定代表人證件號碼
     */
    private String legalRepresentativeLicenseNumber;
    /**
     * 法定代表人證件有效期開始時間
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date legalRepresentativeLicenseTermBegin;

    /**
     * 法定代表人證件有效期結束時間/長期默認爲2099-12-31
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date legalRepresentativeLicenseTermEnd;
    /**
     * 銀行開戶許可證電子版地址
     */
    private String bankAccountUrl;
    /**
     * 組織機構代碼證電子版地址
     */
    private String organizingInstitutionBarCodeUrl;

    /**
     * 組織機構代碼
     */
    private String organizingInstitutionBarCode;

    /**
     * 組織機構代碼證有效期開始時間
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date organizingInstitutionBarCodeTermBegin;

    /**
     * 組織機構代碼證有效期結束時間/長期默認爲2099-12-31
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date organizingInstitutionBarCodeTermEnd;
    /**
     * 店鋪logo地址
     */
    private String mallLogoUrl;

    /**
     * 店鋪背景圖地址
     */
    private String mallLogoBackground;


    private List<MallManagementCategoryDTO> mallManagementCategoryDTO;

}

@Data
public class MallManagementCategoryDTO extends InputObject {
    /**
     * 主鍵ID
     */
    private Integer id;
    /**
     * 商家ID
     */
    private Integer mallId;
    /**
     * 一級類目ID
     */
    private Integer firstLevelId;
    /**
     * 一級類目名字
     */
    private String firstLevelName;
    /**
     * 二級類目ID
     */
    private Integer secondLevelId;
    /**
     * 二級類目名字
     */
    private String secondLevelName;
    /**
     * 三級類目ID
     */
    private Integer thirdLevelId;
    /**
     * 三級類目名字
     */
    private String thirdLevelName;
}

MySql數據庫文件

-- ----------------------------
-- Table structure for mall_info
-- ----------------------------
DROP TABLE IF EXISTS `mall_info`;
CREATE TABLE `mall_info` (
  `mall_id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT '商家ID',
  `mall_name` varchar(64) DEFAULT NULL COMMENT '店鋪名稱',
  `mall_introduction` varchar(512) DEFAULT NULL COMMENT '店鋪簡介',
  `contact_name` varchar(64) DEFAULT NULL COMMENT '聯繫人姓名',
  `telephone_number` varchar(32) DEFAULT NULL COMMENT '手機號',
  `email` varchar(64) DEFAULT NULL COMMENT '郵箱',
  `business_license_url1` varchar(255) DEFAULT NULL COMMENT '營業執照電子版地址1',
  `business_license_ur2` varchar(255) DEFAULT NULL COMMENT '營業執照電子版地址2',
  `company_name` varchar(64) NOT NULL COMMENT '公司名稱',
  `business_license_number` varchar(64) NOT NULL COMMENT '營業執照註冊號',
  `business_license_province` varchar(32) NOT NULL COMMENT '營業執照所在地省份',
  `business_license_city` varchar(32) NOT NULL COMMENT '營業執照所在地 市',
  `business_license_district` varchar(32) NOT NULL COMMENT '營業執照所在地 區',
  `business_license_address` varchar(255) NOT NULL COMMENT '營業執照詳細地址',
  `date_of_establishment` date NOT NULL COMMENT '成立日期',
  `business_term_begin` date NOT NULL COMMENT '營業期限開始時間',
  `business_term_end` date NOT NULL COMMENT '營業期限結束時間',
  `registered_capital` int(11) NOT NULL COMMENT '註冊資金/0-999999999 單位萬元',
  `business_scope` text NOT NULL COMMENT '經營範圍',
  `legal_representative_license_type` tinyint(1) NOT NULL COMMENT '法定代表人證件類型/1身份證',
  `legal_representative_license_number` varchar(64) NOT NULL COMMENT '法定代表人證件號碼',
  `legal_representative_license_url1` varchar(255) DEFAULT NULL COMMENT '法定代表人證件電子版地址1',
  `legal_representative_license_url2` varchar(255) DEFAULT NULL COMMENT '法定代表人證件電子版地址2',
  `legal_representative_name` varchar(64) DEFAULT NULL COMMENT '法定代表人姓名',
  `legal_representative_license_term_begin` date NOT NULL COMMENT '法定代表人證件有效期開始時間',
  `legal_representative_license_term_end` date NOT NULL COMMENT '法定代表人證件有效期結束時間/長期默認爲2099-12-31',
  `bank_account_url` varchar(255) DEFAULT NULL COMMENT '銀行開戶許可證電子版地址',
  `organizing_institution_bar_code_url` varchar(255) NOT NULL COMMENT '組織機構代碼證電子版地址',
  `organizing_institution_bar_code` varchar(64) NOT NULL COMMENT '組織機構代碼',
  `organizing_institution_bar_code_term_begin` date NOT NULL COMMENT '組織機構代碼證有效期開始時間',
  `organizing_institution_bar_code_term_end` date NOT NULL COMMENT '組織機構代碼證有效期結束時間/長期默認爲2099-12-31',
  `mall_logo_url` varchar(255) DEFAULT NULL COMMENT '店鋪logo地址',
  `mall_logo_background` varchar(255) DEFAULT NULL COMMENT '店鋪logo地址',
  `online_customerservice_status` char(1) DEFAULT NULL COMMENT '在線客服狀態：0關閉，1開啓',
  `telephone_customerservice_status` char(1) DEFAULT NULL COMMENT '電話客服狀態：0關閉，1開啓',
  `customerservice_telephone1` varchar(20) DEFAULT NULL COMMENT '電話客服號碼1',
  `customerservice_telephone2` varchar(20) DEFAULT NULL COMMENT '電話客服號碼2',
  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '創建時間',
  `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新時間',
  PRIMARY KEY (`mall_id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8 COMMENT='商家基本信息表';

-- ----------------------------
-- Table structure for mall_management_category
-- ----------------------------
DROP TABLE IF EXISTS `mall_management_category`;
CREATE TABLE `mall_management_category` (
  `id` int(10) NOT NULL AUTO_INCREMENT COMMENT '主鍵id',
  `mall_id` int(10) unsigned NOT NULL COMMENT '商家ID',
  `first_level_id` int(10) DEFAULT NULL COMMENT '一級類目ID',
  `first_level_name` varchar(64) DEFAULT NULL COMMENT '一級類目名字',
  `second_level_id` int(10) DEFAULT NULL COMMENT '二級類目ID',
  `second_level_name` varchar(64) DEFAULT NULL COMMENT '二級類目名字',
  `third_level_id` int(10) DEFAULT NULL COMMENT '三級類目ID',
  `third_level_name` varchar(64) DEFAULT NULL COMMENT '三級類目名字',
  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '創建時間',
  `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新時間',
  PRIMARY KEY (`id`),
  KEY `ind_mallmanagementcategory_mallid` (`mall_id`)
) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8 COMMENT='商家經營類目表';

dao層

	/**
     * @Description 向商家基本信息表插入信息
     * @Retuen
     * @Param
     **/
    int saveMallInfo(MallInfoDTO mallInfoDTO);

    /**
     * @Description 向商家經營類目表插入信息
     * @Retuen
     * @Param
     **/
    int saveMallManagementCategory(MallManagementCategoryDTO mallManagementCategoryDTO);

    /**
     * @Description 查詢用戶是否存在
     * @Retuen
     * @Param
     **/
    int selectByUserId(MallInfoDTO mallInfoDTO);

Mapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.dy.mallmanagement.dao.MallInfoMapper">
    <insert id="saveMallInfo" parameterType="com.dy.mallmanagement.pojo.dto.MallInfoDTO" useGeneratedKeys="true"
            keyProperty="mallId">
        INSERT INTO mall_info (
                user_id,
                mall_name,
                open_time,
                mall_introduction,
                contact_name,
                telephone_number,
                email,
                business_license_url1,
                business_license_url2,
                company_name,
                business_license_number,
                business_license_province,
                business_license_city,
                business_license_district,
                business_license_address,
                date_of_establishment,
                business_term_begin,
                business_term_end,
                registered_capital,
                business_scope,
                legal_representative_license_type,
                legal_representative_license_url1,
                legal_representative_license_url2,
                legal_representative_name,
                legal_representative_license_number,
                legal_representative_license_term_begin,
                legal_representative_license_term_end,
                bank_account_url,
                organizing_institution_bar_code_url,
                organizing_institution_bar_code,
                organizing_institution_bar_code_term_begin,
                organizing_institution_bar_code_term_end,
                mall_logo_url,
                mall_logo_background
        ) VALUES
            (
                #{userId},
                #{mallName},
                #{openTime},
                #{mallIntroduction},
                #{contactName},
                #{telephoneNumber},
                #{email},
                #{businessLicenseUrl1},
                #{businessLicenseUrl2},
                #{companyName},
                #{businessLicenseNumber},
                #{businessLicenseProvince},
                #{businessLicenseCity},
                #{businessLicenseDistrict},
                #{businessLicenseAddress},
                #{dateOfEstablishment},
                #{businessTermBegin},
                #{businessTermEnd},
                #{registeredCapital},
                #{businessScope},
                #{legalRepresentativeLicenseType},
                #{legalRepresentativeLicenseUrl1},
                #{legalRepresentativeLicenseUrl2},
                #{legalRepresentativeName},
                #{legalRepresentativeLicenseNumber},
                #{legalRepresentativeLicenseTermBegin},
                #{legalRepresentativeLicenseTermEnd},
                #{bankAccountUrl},
                #{organizingInstitutionBarCodeUrl},
                #{organizingInstitutionBarCode},
                #{organizingInstitutionBarCodeTermBegin},
                #{organizingInstitutionBarCodeTermEnd},
                #{mallLogoUrl},
                #{mallLogoBackground})
    </insert>

    <insert id="saveMallManagementCategory" parameterType="com.dy.mallmanagement.pojo.dto.MallManagementCategoryDTO">
        INSERT INTO mall_management_category (
                mall_id,
                first_level_id,
                first_level_name,
                second_level_id,
                second_level_name,
                third_level_id,
                third_level_name) values
                (
                #{mallId},
                #{firstLevelId},
                #{firstLevelName},
                #{secondLevelId},
                #{secondLevelName},
                #{thirdLevelId},
                #{thirdLevelName})
    </insert>

    <select id="selectByUserId" parameterType="java.lang.Long" resultType="int">
        SELECT
        	COUNT(user_id)
        FROM
        	mall_info
        WHERE
        	user_id = #{userId}
    </select>

</mapper>

Service層

/**
     * @Description 向商家基本信息表插入信息
     * @Retuen
     * @Param
     **/
    OutputObject saveMallInfo(List<MallInfoDTO> mallInfoDTO);

ServiceImpl層

@Service
public class MallInfoServiceImpl implements MallInfoService {

    @Resource
    private MallInfoMapper mallInfoMapper;

    /**
     * @Description 向商家基本信息表插入信息
     * @Retuen
     * @Param
     **/
    @Override
    @Transactional(rollbackFor = Exception.class)
    public OutputObject saveMallInfo(List<MallInfoDTO> mallInfoDTO) {
        try{
            for (MallInfoDTO a : mallInfoDTO){
               int b =mallInfoMapper.selectByUserId(a);
               if (b==1){
                   continue;
               }
                //批量添加商家基本信息表信息
                int i = mallInfoMapper.saveMallInfo(a);
                Integer mallId = a.getMallId();
                if (i > 0){
                for (MallManagementCategoryDTO mallManagementCategoryDTO : a.getMallManagementCategoryDTO()){
                    mallManagementCategoryDTO.setMallId(mallId);
                        mallInfoMapper.saveMallManagementCategory(mallManagementCategoryDTO);
                }
                }else {
                    return new OutputObject(ReturnCode.FAIL,"添加失敗",mallInfoDTO);
                }
            }

        }catch (Exception e){
            // 事務回滾
            TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
            return new OutputObject(ReturnCode.FAIL,"添加失敗",e.getMessage());
        }
        return new OutputObject(ReturnCode.SUCCESS,"添加成功","添加成功");
    }
    }

Controller層

@Controller
@RequestMapping("/api/mallInfo/")
public class MallInfoController {

    private static final Logger LOGGER = LoggerFactory.getLogger(MallInfoController.class);

    @Autowired
    private MallInfoService mallInfoService;

    @RequestMapping("/saveMallInfo")
    @ResponseBody
    public OutputObject saveMallInfo(@RequestBody List<MallInfoDTO> mallInfoDTO){
        LOGGER.info("com.dy.mallmanagement.MallInfoController.saveMallInfo.向商家基本信息表插入信息  mallInfoDTO{}",mallInfoDTO);
        return mallInfoService.saveMallInfo(mallInfoDTO);
    }
    }

postman測試

[
  {
    "userId": 28,
    "mallName": "解憂雜貨鋪",
    "openTime": "2020-01-01 12:12:12",
    "mallIntroduction": "幫你解憂",
    "contactName": "宮崎駿",
    "telephoneNumber": "13838384438",
    "email": "[email protected]",
    "businessLicenseUrl1": "F:/photo/1.jpg",
    "businessLicenseUrl2": "F:/photo/2.jpg",
    "companyName": "解憂集團",
    "businessLicenseNumber": "123456654321",
    "businessLicenseProvince": "河南省",
    "businessLicenseCity": "鄭州市",
    "businessLicenseDistrict": "金水區",
    "businessLicenseAddress": "坑你大廈18樓",
    "dateOfEstablishment": "2020-01-01 12:12:13",
    "businessTermBegin": "2020-01-01 12:12:13",
    "businessTermEnd": "2220-01-01 12:12:13",
    "registeredCapital": 100000000,
    "businessScope": "智慧",
    "legalRepresentativeLicenseType": 1,
    "legalRepresentativeLicenseUrl1": "F:/photo/3.jpg",
    "legalRepresentativeLicenseUrl2": "F:/photo/4.jpg",
    "legalRepresentativeName": "張三丰",
    "legalRepresentativeLicenseNumber": "12345670987654",
    "legalRepresentativeLicenseTermBegin": "2020-01-01 12:12:13",
    "legalRepresentativeLicenseTermEnd": "2220-01-01 12:12:13",
    "bankAccountUrl": "F:/photo/5.jpg",
    "organizingInstitutionBarCodeUrl": "F:/photo/6.jpg",
    "organizingInstitutionBarCode": "123ertyu",
    "organizingInstitutionBarCodeTermBegin": "2020-01-01 12:12:13",
    "organizingInstitutionBarCodeTermEnd": "2220-01-01 12:12:13",
    "mallLogoUrl": "F:/photo/7.jpg",
    "mallLogoBackground": "F:/photo/8.jpg",
    "mallManagementCategoryDTO": [
      {
        "firstLevelId": 1,
        "firstLevelName": "一級分類",
        "secondLevelId": 1,
        "secondLevelName": "二級分類",
        "thirdLevelId": 1,
        "thirdLevelName": "三級分類"
      }
    ]
  },
  {
    "userId": 29,
    "mallName": "解憂雜貨鋪",
    "openTime": "2020-01-01 12:12:12",
    "mallIntroduction": "幫你解憂",
    "contactName": "宮崎駿",
    "telephoneNumber": "13838384438",
    "email": "[email protected]",
    "businessLicenseUrl1": "F:/photo/1.jpg",
    "businessLicenseUrl2": "F:/photo/2.jpg",
    "companyName": "解憂集團",
    "businessLicenseNumber": "123456654321",
    "businessLicenseProvince": "河南省",
    "businessLicenseCity": "鄭州市",
    "businessLicenseDistrict": "金水區",
    "businessLicenseAddress": "坑你大廈18樓",
    "dateOfEstablishment": "2020-01-01 12:12:13",
    "businessTermBegin": "2020-01-01 12:12:13",
    "businessTermEnd": "2220-01-01 12:12:13",
    "registeredCapital": 100000000,
    "businessScope": "智慧",
    "legalRepresentativeLicenseType": 1,
    "legalRepresentativeLicenseUrl1": "F:/photo/3.jpg",
    "legalRepresentativeLicenseUrl2": "F:/photo/4.jpg",
    "legalRepresentativeName": "張三丰",
    "legalRepresentativeLicenseNumber": "12345670987654",
    "legalRepresentativeLicenseTermBegin": "2020-01-01 12:12:13",
    "legalRepresentativeLicenseTermEnd": "2220-01-01 12:12:13",
    "bankAccountUrl": "F:/photo/5.jpg",
    "organizingInstitutionBarCodeUrl": "F:/photo/6.jpg",
    "organizingInstitutionBarCode": "123ertyu",
    "organizingInstitutionBarCodeTermBegin": "2020-01-01 12:12:13",
    "organizingInstitutionBarCodeTermEnd": "2220-01-01 12:12:13",
    "mallLogoUrl": "F:/photo/7.jpg",
    "mallLogoBackground": "F:/photo/8.jpg",
    "mallManagementCategoryDTO": [
      {
        "firstLevelId": 1,
        "firstLevelName": "一級分類",
        "secondLevelId": 1,
        "secondLevelName": "二級分類",
        "thirdLevelId": 1,
        "thirdLevelName": "三級分類"
      }
    ]
  }
]