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ccdi/doc/信贷客户实体关联维护功能/后端实施方案.md
wkc 1b5d1178f6 feat信贷客户实体关系
2026-02-13 10:15:23 +08:00

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信贷客户实体关联维护功能 - 后端实施方案

一、功能概述

基于员工实体关系维护功能开发信贷客户实体关联维护功能，后端实现逻辑与员工实体关系完全一致，主要差异在于：

  1. 不验证身份证号：导入时不需要验证身份证号是否存在
  2. 无远程搜索接口：没有员工搜索功能
  3. 身份标识默认值不同：is_cust_family = 1

二、数据库设计

2.1 表结构

表名：ccdi_cust_enterprise_relation

CREATE TABLE `ccdi_cust_enterprise_relation` (
  `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT '主键，唯一标识',
  `person_id` VARCHAR(18) NOT NULL COMMENT '身份证号',
  `relation_person_post` VARCHAR(100) DEFAULT NULL COMMENT '关联人在企业的职务：股东、法人、高管、实际控制人等',
  `social_credit_code` VARCHAR(18) NOT NULL COMMENT '统一社会信用代码，关联企业主体信息表的外键',
  `enterprise_name` VARCHAR(200) DEFAULT NULL COMMENT '企业名称（冗余存储，便于快速查询）',
  `status` INT NOT NULL DEFAULT 1 COMMENT '关系是否有效：0 - 无效、1 - 有效（默认有效）',
  `remark` TEXT COMMENT '补充说明',
  `data_source` VARCHAR(50) DEFAULT NULL COMMENT '数据来源',
  `is_employee` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否是员工：0-否 1-是',
  `is_emp_family` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否是员工家庭关联人：0-否 1-是',
  `is_customer` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否是信贷客户：0-否 1-是',
  `is_cust_family` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否是信贷客户关联人：0-否 1-是',
  `created_by` VARCHAR(64) NOT NULL COMMENT '记录创建人',
  `updated_by` VARCHAR(64) DEFAULT NULL COMMENT '记录更新人',
  `create_time` DATETIME NOT NULL COMMENT '记录创建时间',
  `update_time` DATETIME NOT NULL COMMENT '记录更新时间',
  PRIMARY KEY (`id`),
  KEY `idx_person_id` (`person_id`),
  KEY `idx_social_credit_code` (`social_credit_code`),
  UNIQUE KEY `uk_person_enterprise` (`person_id`, `social_credit_code`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='信贷客户实体关联关系表';

2.2 唯一性约束

  • 业务主键：person_id + social_credit_code 组合唯一

三、后端文件清单

3.1 Domain层

文件名 路径 说明
CcdiCustEnterpriseRelation.java domain/ 实体类
CcdiCustEnterpriseRelationVO.java domain/vo/ 视图对象
CcdiCustEnterpriseRelationAddDTO.java domain/dto/ 新增DTO
CcdiCustEnterpriseRelationEditDTO.java domain/dto/ 编辑DTO
CcdiCustEnterpriseRelationQueryDTO.java domain/dto/ 查询DTO
CcdiCustEnterpriseRelationExcel.java domain/excel/ Excel导入导出对象
CustEnterpriseRelationImportFailureVO.java domain/vo/ 导入失败记录VO

3.2 Mapper层

文件名 路径 说明
CcdiCustEnterpriseRelationMapper.java mapper/ Mapper接口
CcdiCustEnterpriseRelationMapper.xml resources/mapper/ccdi/ Mapper XML

3.3 Service层

文件名 路径 说明
ICcdiCustEnterpriseRelationService.java service/ 服务接口
CcdiCustEnterpriseRelationServiceImpl.java service/impl/ 服务实现
ICcdiCustEnterpriseRelationImportService.java service/ 异步导入服务接口
CcdiCustEnterpriseRelationImportServiceImpl.java service/impl/ 异步导入服务实现

3.4 Controller层

文件名 路径 说明
CcdiCustEnterpriseRelationController.java controller/ 控制器

四、核心实现细节

4.1 实体类 CcdiCustEnterpriseRelation.java

package com.ruoyi.ccdi.domain;

import com.baomidou.mybatisplus.annotation.*;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;

import java.io.Serial;
import java.io.Serializable;
import java.util.Date;

/**
 * 信贷客户实体关联信息对象 ccdi_cust_enterprise_relation
 */
@Data
@TableName("ccdi_cust_enterprise_relation")
@Schema(description = "信贷客户实体关联信息")
public class CcdiCustEnterpriseRelation implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    /** 主键ID */
    @TableId(type = IdType.AUTO)
    @Schema(description = "主键ID")
    private Long id;

    /** 身份证号 */
    @Schema(description = "身份证号")
    private String personId;

    /** 关联人在企业的职务 */
    @Schema(description = "关联人在企业的职务")
    private String relationPersonPost;

    /** 统一社会信用代码 */
    @Schema(description = "统一社会信用代码")
    private String socialCreditCode;

    /** 企业名称 */
    @Schema(description = "企业名称")
    private String enterpriseName;

    /** 状态（0-无效 1-有效） */
    @Schema(description = "状态（0-无效 1-有效）")
    private Integer status;

    /** 补充说明 */
    @Schema(description = "补充说明")
    private String remark;

    /** 数据来源 */
    @Schema(description = "数据来源")
    private String dataSource;

    /** 是否为员工（0-否 1-是） */
    @Schema(description = "是否为员工（0-否 1-是）")
    private Integer isEmployee;

    /** 是否为员工家属（0-否 1-是） */
    @Schema(description = "是否为员工家属（0-否 1-是）")
    private Integer isEmpFamily;

    /** 是否为客户（0-否 1-是） */
    @Schema(description = "是否为客户（0-否 1-是）")
    private Integer isCustomer;

    /** 是否为客户家属（0-否 1-是） */
    @Schema(description = "是否为客户家属（0-否 1-是）")
    private Integer isCustFamily;

    /** 创建时间 */
    @TableField(fill = FieldFill.INSERT)
    @Schema(description = "创建时间")
    private Date createTime;

    /** 更新时间 */
    @TableField(fill = FieldFill.INSERT_UPDATE)
    @Schema(description = "更新时间")
    private Date updateTime;

    /** 创建人 */
    @TableField(fill = FieldFill.INSERT)
    @Schema(description = "创建人")
    private String createdBy;

    /** 更新人 */
    @TableField(fill = FieldFill.INSERT_UPDATE)
    @Schema(description = "更新人")
    private String updatedBy;
}

4.2 VO类 CcdiCustEnterpriseRelationVO.java

与员工实体关系VO的差异：

  • 无 personName 字段（因为没有关联员工表查询姓名）
  • 类名和注释不同
package com.ruoyi.ccdi.domain.vo;

import com.fasterxml.jackson.annotation.JsonFormat;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;

import java.io.Serial;
import java.io.Serializable;
import java.util.Date;

/**
 * 信贷客户实体关联信息VO
 */
@Data
@Schema(description = "信贷客户实体关联信息")
public class CcdiCustEnterpriseRelationVO implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    /** 主键ID */
    @Schema(description = "主键ID")
    private Long id;

    /** 身份证号 */
    @Schema(description = "身份证号")
    private String personId;

    /** 关联人在企业的职务 */
    @Schema(description = "关联人在企业的职务")
    private String relationPersonPost;

    /** 统一社会信用代码 */
    @Schema(description = "统一社会信用代码")
    private String socialCreditCode;

    /** 企业名称 */
    @Schema(description = "企业名称")
    private String enterpriseName;

    /** 状态（0-无效 1-有效） */
    @Schema(description = "状态（0-无效 1-有效）")
    private Integer status;

    /** 补充说明 */
    @Schema(description = "补充说明")
    private String remark;

    /** 数据来源 */
    @Schema(description = "数据来源")
    private String dataSource;

    /** 是否为员工（0-否 1-是） */
    @Schema(description = "是否为员工（0-否 1-是）")
    private Integer isEmployee;

    /** 是否为员工家属（0-否 1-是） */
    @Schema(description = "是否为员工家属（0-否 1-是）")
    private Integer isEmpFamily;

    /** 是否为客户（0-否 1-是） */
    @Schema(description = "是否为客户（0-否 1-是）")
    private Integer isCustomer;

    /** 是否为客户家属（0-否 1-是） */
    @Schema(description = "是否为客户家属（0-否 1-是）")
    private Integer isCustFamily;

    /** 创建时间 */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @Schema(description = "创建时间")
    private Date createTime;

    /** 更新时间 */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @Schema(description = "更新时间")
    private Date updateTime;

    /** 创建人 */
    @Schema(description = "创建人")
    private String createdBy;

    /** 更新人 */
    @Schema(description = "更新人")
    private String updatedBy;
}

4.3 新增DTO CcdiCustEnterpriseRelationAddDTO.java

package com.ruoyi.ccdi.domain.dto;

import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;
import lombok.Data;

import java.io.Serial;
import java.io.Serializable;

/**
 * 信贷客户实体关联信息新增DTO
 */
@Data
@Schema(description = "信贷客户实体关联信息新增")
public class CcdiCustEnterpriseRelationAddDTO implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    /** 身份证号 */
    @NotBlank(message = "身份证号不能为空")
    @Pattern(regexp = "^[1-9]\\d{5}(18|19|20)\\d{2}(0[1-9]|1[0-2])(0[1-9]|[12]\\d|3[01])\\d{3}[0-9Xx]$", message = "身份证号格式不正确")
    @Schema(description = "身份证号")
    private String personId;

    /** 关联人在企业的职务 */
    @Size(max = 100, message = "关联人在企业的职务长度不能超过100个字符")
    @Schema(description = "关联人在企业的职务")
    private String relationPersonPost;

    /** 统一社会信用代码 */
    @NotBlank(message = "统一社会信用代码不能为空")
    @Pattern(regexp = "^[0-9A-HJ-NPQRTUWXY]{2}\\d{6}[0-9A-HJ-NPQRTUWXY]{10}$", message = "统一社会信用代码格式不正确")
    @Schema(description = "统一社会信用代码")
    private String socialCreditCode;

    /** 企业名称 */
    @NotBlank(message = "企业名称不能为空")
    @Size(max = 200, message = "企业名称长度不能超过200个字符")
    @Schema(description = "企业名称")
    private String enterpriseName;

    /** 状态（0-无效 1-有效） */
    @Schema(description = "状态（0-无效 1-有效）")
    private Integer status;

    /** 补充说明 */
    @Schema(description = "补充说明")
    private String remark;
}

4.4 编辑DTO CcdiCustEnterpriseRelationEditDTO.java

package com.ruoyi.ccdi.domain.dto;

import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.NotNull;
import jakarta.validation.constraints.Size;
import lombok.Data;

import java.io.Serial;
import java.io.Serializable;

/**
 * 信贷客户实体关联信息编辑DTO
 */
@Data
@Schema(description = "信贷客户实体关联信息编辑")
public class CcdiCustEnterpriseRelationEditDTO implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    /** 主键ID */
    @NotNull(message = "主键ID不能为空")
    @Schema(description = "主键ID")
    private Long id;

    /** 身份证号（不可修改） */
    @Schema(description = "身份证号（不可修改）")
    private String personId;

    /** 关联人在企业的职务 */
    @Size(max = 100, message = "关联人在企业的职务长度不能超过100个字符")
    @Schema(description = "关联人在企业的职务")
    private String relationPersonPost;

    /** 统一社会信用代码（不可修改） */
    @Schema(description = "统一社会信用代码（不可修改）")
    private String socialCreditCode;

    /** 企业名称 */
    @NotBlank(message = "企业名称不能为空")
    @Size(max = 200, message = "企业名称长度不能超过200个字符")
    @Schema(description = "企业名称")
    private String enterpriseName;

    /** 状态（0-无效 1-有效） */
    @Schema(description = "状态（0-无效 1-有效）")
    private Integer status;

    /** 补充说明 */
    @Schema(description = "补充说明")
    private String remark;
}

4.5 查询DTO CcdiCustEnterpriseRelationQueryDTO.java

package com.ruoyi.ccdi.domain.dto;

import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;

import java.io.Serial;
import java.io.Serializable;

/**
 * 信贷客户实体关联信息查询DTO
 */
@Data
@Schema(description = "信贷客户实体关联信息查询条件")
public class CcdiCustEnterpriseRelationQueryDTO implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    /** 身份证号 */
    @Schema(description = "身份证号")
    private String personId;

    /** 统一社会信用代码 */
    @Schema(description = "统一社会信用代码")
    private String socialCreditCode;

    /** 企业名称 */
    @Schema(description = "企业名称")
    private String enterpriseName;

    /** 状态（0-无效 1-有效） */
    @Schema(description = "状态（0-无效 1-有效）")
    private Integer status;
}

4.6 Excel类 CcdiCustEnterpriseRelationExcel.java

package com.ruoyi.ccdi.domain.excel;

import com.alibaba.excel.annotation.ExcelProperty;
import com.alibaba.excel.annotation.write.style.ColumnWidth;
import com.ruoyi.common.annotation.Required;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;

import java.io.Serial;
import java.io.Serializable;

/**
 * 信贷客户实体关联信息Excel导入导出对象
 */
@Data
@Schema(description = "信贷客户实体关联信息Excel导入导出对象")
public class CcdiCustEnterpriseRelationExcel implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    /** 身份证号 */
    @ExcelProperty(value = "身份证号", index = 0)
    @ColumnWidth(20)
    @Required
    @Schema(description = "身份证号")
    private String personId;

    /** 统一社会信用代码 */
    @ExcelProperty(value = "统一社会信用代码", index = 1)
    @ColumnWidth(25)
    @Required
    @Schema(description = "统一社会信用代码")
    private String socialCreditCode;

    /** 企业名称 */
    @ExcelProperty(value = "企业名称", index = 2)
    @ColumnWidth(30)
    @Required
    @Schema(description = "企业名称")
    private String enterpriseName;

    /** 关联人在企业的职务 */
    @ExcelProperty(value = "关联人在企业的职务", index = 3)
    @ColumnWidth(25)
    @Schema(description = "关联人在企业的职务")
    private String relationPersonPost;

    /** 补充说明 */
    @ExcelProperty(value = "补充说明", index = 4)
    @ColumnWidth(40)
    @Schema(description = "补充说明")
    private String remark;
}

4.7 导入失败VO CustEnterpriseRelationImportFailureVO.java

package com.ruoyi.ccdi.domain.vo;

import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;

import java.io.Serial;
import java.io.Serializable;

/**
 * 信贷客户实体关联信息导入失败记录VO
 */
@Data
@Schema(description = "信贷客户实体关联信息导入失败记录")
public class CustEnterpriseRelationImportFailureVO implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    /** 身份证号 */
    @Schema(description = "身份证号")
    private String personId;

    /** 统一社会信用代码 */
    @Schema(description = "统一社会信用代码")
    private String socialCreditCode;

    /** 企业名称 */
    @Schema(description = "企业名称")
    private String enterpriseName;

    /** 错误信息 */
    @Schema(description = "错误信息")
    private String errorMessage;
}

五、Mapper层实现

5.1 Mapper接口 CcdiCustEnterpriseRelationMapper.java

package com.ruoyi.ccdi.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.ccdi.domain.CcdiCustEnterpriseRelation;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationQueryDTO;
import com.ruoyi.ccdi.domain.vo.CcdiCustEnterpriseRelationVO;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

import java.util.List;
import java.util.Set;

/**
 * 信贷客户实体关联信息 数据层
 */
@Mapper
public interface CcdiCustEnterpriseRelationMapper extends BaseMapper<CcdiCustEnterpriseRelation> {

    /**
     * 分页查询信贷客户实体关联列表
     */
    Page<CcdiCustEnterpriseRelationVO> selectRelationPage(@Param("page") Page<CcdiCustEnterpriseRelationVO> page,
                                                          @Param("query") CcdiCustEnterpriseRelationQueryDTO queryDTO);

    /**
     * 查询信贷客户实体关联详情
     */
    CcdiCustEnterpriseRelationVO selectRelationById(@Param("id") Long id);

    /**
     * 判断身份证号和统一社会信用代码的组合是否已存在
     */
    boolean existsByPersonIdAndSocialCreditCode(@Param("personId") String personId,
                                                @Param("socialCreditCode") String socialCreditCode);

    /**
     * 批量查询已存在的person_id + social_credit_code组合
     */
    Set<String> batchExistsByCombinations(@Param("combinations") List<String> combinations);

    /**
     * 批量插入信贷客户实体关联数据
     */
    int insertBatch(@Param("list") List<CcdiCustEnterpriseRelation> list);
}

5.2 Mapper XML CcdiCustEnterpriseRelationMapper.xml

与员工实体关系Mapper XML的关键差异：

  • 无 personName 字段查询
  • 无 JOIN 员工表
  • 表名不同
<?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.ruoyi.ccdi.mapper.CcdiCustEnterpriseRelationMapper">

    <!-- 信贷客户实体关联信息ResultMap -->
    <resultMap type="com.ruoyi.ccdi.domain.vo.CcdiCustEnterpriseRelationVO" id="CcdiCustEnterpriseRelationVOResult">
        <id property="id" column="id"/>
        <result property="personId" column="person_id"/>
        <result property="relationPersonPost" column="relation_person_post"/>
        <result property="socialCreditCode" column="social_credit_code"/>
        <result property="enterpriseName" column="enterprise_name"/>
        <result property="status" column="status"/>
        <result property="remark" column="remark"/>
        <result property="dataSource" column="data_source"/>
        <result property="isEmployee" column="is_employee"/>
        <result property="isEmpFamily" column="is_emp_family"/>
        <result property="isCustomer" column="is_customer"/>
        <result property="isCustFamily" column="is_cust_family"/>
        <result property="createTime" column="create_time"/>
        <result property="updateTime" column="update_time"/>
        <result property="createdBy" column="created_by"/>
        <result property="updatedBy" column="updated_by"/>
    </resultMap>

    <!-- 分页查询信贷客户实体关联列表 -->
    <select id="selectRelationPage" resultMap="CcdiCustEnterpriseRelationVOResult">
        SELECT
            id, person_id, relation_person_post,
            social_credit_code, enterprise_name, status, remark,
            data_source, is_employee, is_emp_family, is_customer,
            is_cust_family, created_by, create_time, updated_by,
            update_time
        FROM ccdi_cust_enterprise_relation
        <where>
            <if test="query.personId != null and query.personId != ''">
                AND person_id LIKE CONCAT('%', #{query.personId}, '%')
            </if>
            <if test="query.socialCreditCode != null and query.socialCreditCode != ''">
                AND social_credit_code LIKE CONCAT('%', #{query.socialCreditCode}, '%')
            </if>
            <if test="query.enterpriseName != null and query.enterpriseName != ''">
                AND enterprise_name LIKE CONCAT('%', #{query.enterpriseName}, '%')
            </if>
            <if test="query.status != null">
                AND status = #{query.status}
            </if>
        </where>
        ORDER BY create_time DESC
    </select>

    <!-- 查询信贷客户实体关联详情 -->
    <select id="selectRelationById" resultMap="CcdiCustEnterpriseRelationVOResult">
        SELECT
            id, person_id, relation_person_post,
            social_credit_code, enterprise_name, status, remark,
            data_source, is_employee, is_emp_family, is_customer,
            is_cust_family, created_by, create_time, updated_by,
            update_time
        FROM ccdi_cust_enterprise_relation
        WHERE id = #{id}
    </select>

    <!-- 判断身份证号和统一社会信用代码的组合是否已存在 -->
    <select id="existsByPersonIdAndSocialCreditCode" resultType="boolean">
        SELECT COUNT(1) > 0
        FROM ccdi_cust_enterprise_relation
        WHERE person_id = #{personId}
          AND social_credit_code = #{socialCreditCode}
    </select>

    <!-- 批量查询已存在的person_id + social_credit_code组合 -->
    <select id="batchExistsByCombinations" resultType="string">
        SELECT CONCAT(person_id, '|', social_credit_code) AS combination
        FROM ccdi_cust_enterprise_relation
        WHERE CONCAT(person_id, '|', social_credit_code) IN
        <foreach collection="combinations" item="combination" open="(" separator="," close=")">
            #{combination}
        </foreach>
    </select>

    <!-- 批量插入信贷客户实体关联数据 -->
    <insert id="insertBatch">
        INSERT INTO ccdi_cust_enterprise_relation
        (person_id, relation_person_post, social_credit_code, enterprise_name,
         status, remark, data_source, is_employee, is_emp_family, is_customer, is_cust_family,
         created_by, create_time, updated_by, update_time)
        VALUES
        <foreach collection="list" item="item" separator=",">
            (#{item.personId}, #{item.relationPersonPost}, #{item.socialCreditCode}, #{item.enterpriseName},
            #{item.status}, #{item.remark}, #{item.dataSource}, #{item.isEmployee}, #{item.isEmpFamily}, #{item.isCustomer}, #{item.isCustFamily},
            #{item.createdBy}, NOW(), #{item.updatedBy}, NOW())
        </foreach>
    </insert>

</mapper>

六、Service层实现

6.1 服务接口 ICcdiCustEnterpriseRelationService.java

package com.ruoyi.ccdi.service;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationAddDTO;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationEditDTO;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationQueryDTO;
import com.ruoyi.ccdi.domain.excel.CcdiCustEnterpriseRelationExcel;
import com.ruoyi.ccdi.domain.vo.CcdiCustEnterpriseRelationVO;

import java.util.List;

/**
 * 信贷客户实体关联信息 服务层
 */
public interface ICcdiCustEnterpriseRelationService {

    /**
     * 查询信贷客户实体关联列表
     */
    List<CcdiCustEnterpriseRelationVO> selectRelationList(CcdiCustEnterpriseRelationQueryDTO queryDTO);

    /**
     * 分页查询信贷客户实体关联列表
     */
    Page<CcdiCustEnterpriseRelationVO> selectRelationPage(Page<CcdiCustEnterpriseRelationVO> page, CcdiCustEnterpriseRelationQueryDTO queryDTO);

    /**
     * 查询信贷客户实体关联列表（用于导出）
     */
    List<CcdiCustEnterpriseRelationExcel> selectRelationListForExport(CcdiCustEnterpriseRelationQueryDTO queryDTO);

    /**
     * 查询信贷客户实体关联详情
     */
    CcdiCustEnterpriseRelationVO selectRelationById(Long id);

    /**
     * 新增信贷客户实体关联
     */
    int insertRelation(CcdiCustEnterpriseRelationAddDTO addDTO);

    /**
     * 修改信贷客户实体关联
     */
    int updateRelation(CcdiCustEnterpriseRelationEditDTO editDTO);

    /**
     * 批量删除信贷客户实体关联
     */
    int deleteRelationByIds(Long[] ids);

    /**
     * 导入信贷客户实体关联数据（异步）
     */
    String importRelation(List<CcdiCustEnterpriseRelationExcel> excelList);
}

6.2 服务接口 ICcdiCustEnterpriseRelationImportService.java

package com.ruoyi.ccdi.service;

import com.ruoyi.ccdi.domain.excel.CcdiCustEnterpriseRelationExcel;
import com.ruoyi.ccdi.domain.vo.CustEnterpriseRelationImportFailureVO;
import com.ruoyi.ccdi.domain.vo.ImportStatusVO;

import java.util.List;

/**
 * 信贷客户实体关联信息异步导入服务层
 */
public interface ICcdiCustEnterpriseRelationImportService {

    /**
     * 异步导入信贷客户实体关联数据
     */
    void importRelationAsync(List<CcdiCustEnterpriseRelationExcel> excelList, String taskId, String userName);

    /**
     * 获取导入失败记录
     */
    List<CustEnterpriseRelationImportFailureVO> getImportFailures(String taskId);

    /**
     * 查询导入状态
     */
    ImportStatusVO getImportStatus(String taskId);
}

6.3 服务实现 CcdiCustEnterpriseRelationServiceImpl.java

关键差异点：

  • 身份标识默认值：is_cust_family = 1（其他为0）
  • 无员工身份证号验证
package com.ruoyi.ccdi.service.impl;

import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.ccdi.domain.CcdiCustEnterpriseRelation;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationAddDTO;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationEditDTO;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationQueryDTO;
import com.ruoyi.ccdi.domain.excel.CcdiCustEnterpriseRelationExcel;
import com.ruoyi.ccdi.domain.vo.CcdiCustEnterpriseRelationVO;
import com.ruoyi.ccdi.mapper.CcdiCustEnterpriseRelationMapper;
import com.ruoyi.ccdi.service.ICcdiCustEnterpriseRelationImportService;
import com.ruoyi.ccdi.service.ICcdiCustEnterpriseRelationService;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import jakarta.annotation.Resource;
import org.springframework.beans.BeanUtils;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

/**
 * 信贷客户实体关联信息 服务层处理
 */
@Service
public class CcdiCustEnterpriseRelationServiceImpl implements ICcdiCustEnterpriseRelationService {

    @Resource
    private CcdiCustEnterpriseRelationMapper relationMapper;

    @Resource
    private ICcdiCustEnterpriseRelationImportService relationImportService;

    @Resource
    private RedisTemplate<String, Object> redisTemplate;

    @Override
    public java.util.List<CcdiCustEnterpriseRelationVO> selectRelationList(CcdiCustEnterpriseRelationQueryDTO queryDTO) {
        Page<CcdiCustEnterpriseRelationVO> page = new Page<>(1, Integer.MAX_VALUE);
        Page<CcdiCustEnterpriseRelationVO> resultPage = relationMapper.selectRelationPage(page, queryDTO);
        return resultPage.getRecords();
    }

    @Override
    public Page<CcdiCustEnterpriseRelationVO> selectRelationPage(Page<CcdiCustEnterpriseRelationVO> page, CcdiCustEnterpriseRelationQueryDTO queryDTO) {
        return relationMapper.selectRelationPage(page, queryDTO);
    }

    @Override
    public java.util.List<CcdiCustEnterpriseRelationExcel> selectRelationListForExport(CcdiCustEnterpriseRelationQueryDTO queryDTO) {
        Page<CcdiCustEnterpriseRelationVO> page = new Page<>(1, Integer.MAX_VALUE);
        Page<CcdiCustEnterpriseRelationVO> resultPage = relationMapper.selectRelationPage(page, queryDTO);

        return resultPage.getRecords().stream().map(vo -> {
            CcdiCustEnterpriseRelationExcel excel = new CcdiCustEnterpriseRelationExcel();
            BeanUtils.copyProperties(vo, excel);
            return excel;
        }).collect(Collectors.toList());
    }

    @Override
    public CcdiCustEnterpriseRelationVO selectRelationById(Long id) {
        return relationMapper.selectRelationById(id);
    }

    @Override
    @Transactional
    public int insertRelation(CcdiCustEnterpriseRelationAddDTO addDTO) {
        // 检查身份证号+统一社会信用代码唯一性
        if (relationMapper.existsByPersonIdAndSocialCreditCode(addDTO.getPersonId(), addDTO.getSocialCreditCode())) {
            throw new RuntimeException("该身份证号和统一社会信用代码组合已存在");
        }

        CcdiCustEnterpriseRelation relation = new CcdiCustEnterpriseRelation();
        BeanUtils.copyProperties(addDTO, relation);

        // 设置默认值
        // 新增时强制设置状态为有效
        relation.setStatus(1);

        // 【关键差异】信贷客户实体关联的身份标识默认值
        if (relation.getIsEmployee() == null) {
            relation.setIsEmployee(0);
        }
        if (relation.getIsEmpFamily() == null) {
            relation.setIsEmpFamily(0);
        }
        if (relation.getIsCustomer() == null) {
            relation.setIsCustomer(0);
        }
        if (relation.getIsCustFamily() == null) {
            relation.setIsCustFamily(1);  // 信贷客户关联人标识为1
        }
        if (StringUtils.isEmpty(relation.getDataSource())) {
            relation.setDataSource("MANUAL");
        }

        int result = relationMapper.insert(relation);

        return result;
    }

    @Override
    @Transactional
    public int updateRelation(CcdiCustEnterpriseRelationEditDTO editDTO) {
        // 使用LambdaUpdateWrapper只更新非null字段，保护系统字段不被覆盖
        LambdaUpdateWrapper<CcdiCustEnterpriseRelation> updateWrapper = new LambdaUpdateWrapper<>();
        updateWrapper.eq(CcdiCustEnterpriseRelation::getId, editDTO.getId());

        // 只更新前端可编辑的字段
        updateWrapper.set(editDTO.getRelationPersonPost() != null, CcdiCustEnterpriseRelation::getRelationPersonPost, editDTO.getRelationPersonPost());
        updateWrapper.set(editDTO.getEnterpriseName() != null, CcdiCustEnterpriseRelation::getEnterpriseName, editDTO.getEnterpriseName());
        updateWrapper.set(editDTO.getStatus() != null, CcdiCustEnterpriseRelation::getStatus, editDTO.getStatus());
        updateWrapper.set(editDTO.getRemark() != null, CcdiCustEnterpriseRelation::getRemark, editDTO.getRemark());

        // 注意：以下字段不可修改
        // - personId（身份证号，业务主键）
        // - socialCreditCode（统一社会信用代码，业务主键）
        // - dataSource（数据来源，系统字段）
        // - isEmployee（是否为员工，系统字段）
        // - isEmpFamily（是否为员工家属，系统字段）
        // - isCustomer（是否为客户，系统字段）
        // - isCustFamily（是否为客户家属，系统字段）

        int result = relationMapper.update(null, updateWrapper);

        return result;
    }

    @Override
    @Transactional
    public int deleteRelationByIds(Long[] ids) {
        return relationMapper.deleteBatchIds(java.util.List.of(ids));
    }

    @Override
    @Transactional
    public String importRelation(java.util.List<CcdiCustEnterpriseRelationExcel> excelList) {
        if (StringUtils.isNull(excelList) || excelList.isEmpty()) {
            throw new RuntimeException("至少需要一条数据");
        }

        // 生成任务ID
        String taskId = UUID.randomUUID().toString();
        long startTime = System.currentTimeMillis();

        // 获取当前用户名
        String userName = SecurityUtils.getUsername();

        // 初始化Redis状态
        String statusKey = "import:custEnterpriseRelation:" + taskId;
        Map<String, Object> statusData = new HashMap<>();
        statusData.put("taskId", taskId);
        statusData.put("status", "PROCESSING");
        statusData.put("totalCount", excelList.size());
        statusData.put("successCount", 0);
        statusData.put("failureCount", 0);
        statusData.put("progress", 0);
        statusData.put("startTime", startTime);
        statusData.put("message", "正在处理...");

        redisTemplate.opsForHash().putAll(statusKey, statusData);
        redisTemplate.expire(statusKey, 7, TimeUnit.DAYS);

        // 调用异步导入服务
        relationImportService.importRelationAsync(excelList, taskId, userName);

        return taskId;
    }
}

6.4 异步导入服务实现 CcdiCustEnterpriseRelationImportServiceImpl.java

【关键实现】异步导入核心逻辑

与员工实体关系导入的关键差异：

  • 不验证身份证号是否存在（移除员工表验证逻辑）
  • 身份标识默认值：is_cust_family = 1
  • Redis key前缀：import:custEnterpriseRelation:
package com.ruoyi.ccdi.service.impl;

import com.alibaba.fastjson2.JSON;
import com.ruoyi.ccdi.domain.CcdiCustEnterpriseRelation;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationAddDTO;
import com.ruoyi.ccdi.domain.excel.CcdiCustEnterpriseRelationExcel;
import com.ruoyi.ccdi.domain.vo.CustEnterpriseRelationImportFailureVO;
import com.ruoyi.ccdi.domain.vo.ImportResult;
import com.ruoyi.ccdi.domain.vo.ImportStatusVO;
import com.ruoyi.ccdi.mapper.CcdiCustEnterpriseRelationMapper;
import com.ruoyi.ccdi.service.ICcdiCustEnterpriseRelationImportService;
import com.ruoyi.ccdi.utils.ImportLogUtils;
import com.ruoyi.common.utils.StringUtils;
import jakarta.annotation.Resource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

/**
 * 信贷客户实体关联信息异步导入服务层处理
 */
@Service
@EnableAsync
public class CcdiCustEnterpriseRelationImportServiceImpl implements ICcdiCustEnterpriseRelationImportService {

    private static final Logger log = LoggerFactory.getLogger(CcdiCustEnterpriseRelationImportServiceImpl.class);

    @Resource
    private CcdiCustEnterpriseRelationMapper relationMapper;

    @Resource
    private RedisTemplate<String, Object> redisTemplate;

    @Override
    @Async
    @Transactional
    public void importRelationAsync(List<CcdiCustEnterpriseRelationExcel> excelList, String taskId, String userName) {
        long startTime = System.currentTimeMillis();

        // 记录导入开始
        ImportLogUtils.logImportStart(log, taskId, "信贷客户实体关联", excelList.size(), userName);

        List<CcdiCustEnterpriseRelation> newRecords = new ArrayList<>();
        List<CustEnterpriseRelationImportFailureVO> failures = new ArrayList<>();

        // 【关键差异】不需要验证身份证号是否存在
        // 员工实体关系导入会验证身份证号是否存在于员工表，信贷客户实体关联不需要此验证

        // 批量查询已存在的person_id + social_credit_code组合
        ImportLogUtils.logBatchQueryStart(log, taskId, "已存在的客户企业关系组合", excelList.size());
        Set<String> existingCombinations = getExistingCombinations(excelList);
        ImportLogUtils.logBatchQueryComplete(log, taskId, "客户企业关系组合", existingCombinations.size());

        // 用于跟踪Excel文件内已处理的组合
        Set<String> processedCombinations = new HashSet<>();

        // 分类数据
        for (int i = 0; i < excelList.size(); i++) {
            CcdiCustEnterpriseRelationExcel excel = excelList.get(i);

            try {
                // 转换为AddDTO进行验证
                CcdiCustEnterpriseRelationAddDTO addDTO = new CcdiCustEnterpriseRelationAddDTO();
                BeanUtils.copyProperties(excel, addDTO);

                // 验证数据（不验证身份证号是否存在）
                validateRelationData(addDTO);

                String combination = excel.getPersonId() + "|" + excel.getSocialCreditCode();

                CcdiCustEnterpriseRelation relation = new CcdiCustEnterpriseRelation();
                BeanUtils.copyProperties(excel, relation);

                if (existingCombinations.contains(combination)) {
                    // 组合已存在，直接报错
                    throw new RuntimeException(String.format("身份证号[%s]和统一社会信用代码[%s]的组合已存在，请勿重复导入",
                            excel.getPersonId(), excel.getSocialCreditCode()));
                } else if (processedCombinations.contains(combination)) {
                    // Excel文件内部重复
                    throw new RuntimeException(String.format("身份证号[%s]和统一社会信用代码[%s]的组合在导入文件中重复,已跳过此条记录",
                            excel.getPersonId(), excel.getSocialCreditCode()));
                } else {
                    relation.setCreatedBy(userName);
                    relation.setUpdatedBy(userName);

                    // 设置默认值
                    relation.setStatus(1);
                    // 【关键差异】信贷客户实体关联的身份标识
                    relation.setIsEmployee(0);
                    relation.setIsEmpFamily(0);
                    relation.setIsCustomer(0);
                    relation.setIsCustFamily(1);  // 信贷客户关联人标识为1
                    relation.setDataSource("IMPORT");

                    newRecords.add(relation);
                    processedCombinations.add(combination); // 标记为已处理
                }

                // 记录进度
                ImportLogUtils.logProgress(log, taskId, i + 1, excelList.size(),
                        newRecords.size(), failures.size());

            } catch (Exception e) {
                CustEnterpriseRelationImportFailureVO failure = new CustEnterpriseRelationImportFailureVO();
                BeanUtils.copyProperties(excel, failure);
                failure.setErrorMessage(e.getMessage());
                failures.add(failure);

                // 记录验证失败日志
                String keyData = String.format("身份证号=%s, 统一社会信用代码=%s, 企业名称=%s",
                        excel.getPersonId(), excel.getSocialCreditCode(), excel.getEnterpriseName());
                ImportLogUtils.logValidationError(log, taskId, i + 1, e.getMessage(), keyData);
            }
        }

        // 批量插入新数据
        if (!newRecords.isEmpty()) {
            ImportLogUtils.logBatchOperationStart(log, taskId, "插入",
                    (newRecords.size() + 499) / 500, 500);
            saveBatch(newRecords, 500);
        }

        // 保存失败记录到Redis
        if (!failures.isEmpty()) {
            try {
                String failuresKey = "import:custEnterpriseRelation:" + taskId + ":failures";
                redisTemplate.opsForValue().set(failuresKey, failures, 7, TimeUnit.DAYS);
                ImportLogUtils.logRedisOperation(log, taskId, "保存失败记录", failures.size());
            } catch (Exception e) {
                ImportLogUtils.logRedisError(log, taskId, "保存失败记录", e);
            }
        }

        ImportResult result = new ImportResult();
        result.setTotalCount(excelList.size());
        result.setSuccessCount(newRecords.size());
        result.setFailureCount(failures.size());

        // 更新最终状态
        String finalStatus = result.getFailureCount() == 0 ? "SUCCESS" : "PARTIAL_SUCCESS";
        updateImportStatus(taskId, finalStatus, result);

        // 记录导入完成
        long duration = System.currentTimeMillis() - startTime;
        ImportLogUtils.logImportComplete(log, taskId, "信贷客户实体关联",
                excelList.size(), result.getSuccessCount(), result.getFailureCount(), duration);
    }

    @Override
    public List<CustEnterpriseRelationImportFailureVO> getImportFailures(String taskId) {
        String key = "import:custEnterpriseRelation:" + taskId + ":failures";
        Object failuresObj = redisTemplate.opsForValue().get(key);

        if (failuresObj == null) {
            return Collections.emptyList();
        }

        return JSON.parseArray(JSON.toJSONString(failuresObj), CustEnterpriseRelationImportFailureVO.class);
    }

    @Override
    public ImportStatusVO getImportStatus(String taskId) {
        String key = "import:custEnterpriseRelation:" + taskId;
        Boolean hasKey = redisTemplate.hasKey(key);

        if (Boolean.FALSE.equals(hasKey)) {
            throw new RuntimeException("任务不存在或已过期");
        }

        Map<Object, Object> statusMap = redisTemplate.opsForHash().entries(key);

        ImportStatusVO statusVO = new ImportStatusVO();
        statusVO.setTaskId((String) statusMap.get("taskId"));
        statusVO.setStatus((String) statusMap.get("status"));
        statusVO.setTotalCount((Integer) statusMap.get("totalCount"));
        statusVO.setSuccessCount((Integer) statusMap.get("successCount"));
        statusVO.setFailureCount((Integer) statusMap.get("failureCount"));
        statusVO.setProgress((Integer) statusMap.get("progress"));
        statusVO.setStartTime((Long) statusMap.get("startTime"));
        statusVO.setEndTime((Long) statusMap.get("endTime"));
        statusVO.setMessage((String) statusMap.get("message"));

        return statusVO;
    }

    /**
     * 更新导入状态
     */
    private void updateImportStatus(String taskId, String status, ImportResult result) {
        String key = "import:custEnterpriseRelation:" + taskId;
        Map<String, Object> statusData = new HashMap<>();
        statusData.put("status", status);
        statusData.put("successCount", result.getSuccessCount());
        statusData.put("failureCount", result.getFailureCount());
        statusData.put("progress", 100);
        statusData.put("endTime", System.currentTimeMillis());

        if ("SUCCESS".equals(status)) {
            statusData.put("message", "全部成功!共导入" + result.getTotalCount() + "条数据");
        } else {
            statusData.put("message", "成功" + result.getSuccessCount() + "条,失败" + result.getFailureCount() + "条");
        }

        redisTemplate.opsForHash().putAll(key, statusData);
    }

    /**
     * 批量查询已存在的person_id + social_credit_code组合
     */
    private Set<String> getExistingCombinations(List<CcdiCustEnterpriseRelationExcel> excelList) {
        List<String> combinations = excelList.stream()
                .map(excel -> excel.getPersonId() + "|" + excel.getSocialCreditCode())
                .filter(Objects::nonNull)
                .distinct()
                .collect(Collectors.toList());

        if (combinations.isEmpty()) {
            return Collections.emptySet();
        }

        return new HashSet<>(relationMapper.batchExistsByCombinations(combinations));
    }

    /**
     * 批量保存
     */
    private void saveBatch(List<CcdiCustEnterpriseRelation> list, int batchSize) {
        for (int i = 0; i < list.size(); i += batchSize) {
            int end = Math.min(i + batchSize, list.size());
            List<CcdiCustEnterpriseRelation> subList = list.subList(i, end);
            relationMapper.insertBatch(subList);
        }
    }

    /**
     * 验证信贷客户实体关联数据
     * 【关键差异】不验证身份证号是否存在于员工表
     */
    private void validateRelationData(CcdiCustEnterpriseRelationAddDTO addDTO) {
        // 验证必填字段
        if (StringUtils.isEmpty(addDTO.getPersonId())) {
            throw new RuntimeException("身份证号不能为空");
        }
        if (StringUtils.isEmpty(addDTO.getSocialCreditCode())) {
            throw new RuntimeException("统一社会信用代码不能为空");
        }
        if (StringUtils.isEmpty(addDTO.getEnterpriseName())) {
            throw new RuntimeException("企业名称不能为空");
        }

        // 验证身份证号格式（18位）
        if (!addDTO.getPersonId().matches("^[1-9]\\d{5}(18|19|20)\\d{2}(0[1-9]|1[0-2])(0[1-9]|[12]\\d|3[01])\\d{3}[0-9Xx]$")) {
            throw new RuntimeException("身份证号格式不正确，必须为18位有效身份证号");
        }

        // 验证统一社会信用代码格式（18位）
        if (!addDTO.getSocialCreditCode().matches("^[0-9A-HJ-NPQRTUWXY]{2}\\d{6}[0-9A-HJ-NPQRTUWXY]{10}$")) {
            throw new RuntimeException("统一社会信用代码格式不正确，必须为18位有效统一社会信用代码");
        }

        // 验证字段长度
        if (StringUtils.isNotEmpty(addDTO.getRelationPersonPost()) && addDTO.getRelationPersonPost().length() > 100) {
            throw new RuntimeException("关联人在企业的职务长度不能超过100个字符");
        }
        if (addDTO.getEnterpriseName().length() > 200) {
            throw new RuntimeException("企业名称长度不能超过200个字符");
        }

        // 【注意】不验证身份证号是否存在于员工表
    }
}

七、Controller层实现

7.1 CcdiCustEnterpriseRelationController.java

package com.ruoyi.ccdi.controller;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationAddDTO;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationEditDTO;
import com.ruoyi.ccdi.domain.dto.CcdiCustEnterpriseRelationQueryDTO;
import com.ruoyi.ccdi.domain.excel.CcdiCustEnterpriseRelationExcel;
import com.ruoyi.ccdi.domain.vo.CcdiCustEnterpriseRelationVO;
import com.ruoyi.ccdi.domain.vo.CustEnterpriseRelationImportFailureVO;
import com.ruoyi.ccdi.domain.vo.ImportResultVO;
import com.ruoyi.ccdi.domain.vo.ImportStatusVO;
import com.ruoyi.ccdi.service.ICcdiCustEnterpriseRelationImportService;
import com.ruoyi.ccdi.service.ICcdiCustEnterpriseRelationService;
import com.ruoyi.ccdi.utils.EasyExcelUtil;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.page.PageDomain;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.core.page.TableSupport;
import com.ruoyi.common.enums.BusinessType;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.util.ArrayList;
import java.util.List;

/**
 * 信贷客户实体关联信息Controller
 */
@Tag(name = "信贷客户实体关联信息管理")
@RestController
@RequestMapping("/ccdi/custEnterpriseRelation")
public class CcdiCustEnterpriseRelationController extends BaseController {

    @Resource
    private ICcdiCustEnterpriseRelationService relationService;

    @Resource
    private ICcdiCustEnterpriseRelationImportService relationImportService;

    /**
     * 查询信贷客户实体关联列表
     */
    @Operation(summary = "查询信贷客户实体关联列表")
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:list')")
    @GetMapping("/list")
    public TableDataInfo list(CcdiCustEnterpriseRelationQueryDTO queryDTO) {
        PageDomain pageDomain = TableSupport.buildPageRequest();
        Page<CcdiCustEnterpriseRelationVO> page = new Page<>(pageDomain.getPageNum(), pageDomain.getPageSize());
        Page<CcdiCustEnterpriseRelationVO> result = relationService.selectRelationPage(page, queryDTO);
        return getDataTable(result.getRecords(), result.getTotal());
    }

    /**
     * 导出信贷客户实体关联列表
     */
    @Operation(summary = "导出信贷客户实体关联列表")
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:export')")
    @Log(title = "信贷客户实体关联信息", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void export(HttpServletResponse response, CcdiCustEnterpriseRelationQueryDTO queryDTO) {
        List<CcdiCustEnterpriseRelationExcel> list = relationService.selectRelationListForExport(queryDTO);
        EasyExcelUtil.exportExcel(response, list, CcdiCustEnterpriseRelationExcel.class, "信贷客户实体关联信息");
    }

    /**
     * 获取信贷客户实体关联详细信息
     */
    @Operation(summary = "获取信贷客户实体关联详细信息")
    @Parameter(name = "id", description = "主键ID", required = true)
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:query')")
    @GetMapping(value = "/{id}")
    public AjaxResult getInfo(@PathVariable Long id) {
        return success(relationService.selectRelationById(id));
    }

    /**
     * 新增信贷客户实体关联
     */
    @Operation(summary = "新增信贷客户实体关联")
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:add')")
    @Log(title = "信贷客户实体关联信息", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody CcdiCustEnterpriseRelationAddDTO addDTO) {
        return toAjax(relationService.insertRelation(addDTO));
    }

    /**
     * 修改信贷客户实体关联
     */
    @Operation(summary = "修改信贷客户实体关联")
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:edit')")
    @Log(title = "信贷客户实体关联信息", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody CcdiCustEnterpriseRelationEditDTO editDTO) {
        return toAjax(relationService.updateRelation(editDTO));
    }

    /**
     * 删除信贷客户实体关联
     */
    @Operation(summary = "删除信贷客户实体关联")
    @Parameter(name = "ids", description = "主键ID数组", required = true)
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:remove')")
    @Log(title = "信贷客户实体关联信息", businessType = BusinessType.DELETE)
    @DeleteMapping("/{ids}")
    public AjaxResult remove(@PathVariable Long[] ids) {
        return toAjax(relationService.deleteRelationByIds(ids));
    }

    /**
     * 下载导入模板
     */
    @Operation(summary = "下载导入模板")
    @PostMapping("/importTemplate")
    public void importTemplate(HttpServletResponse response) {
        EasyExcelUtil.importTemplateWithDictDropdown(response, CcdiCustEnterpriseRelationExcel.class, "信贷客户实体关联信息");
    }

    /**
     * 异步导入信贷客户实体关联
     */
    @Operation(summary = "异步导入信贷客户实体关联")
    @Parameter(name = "file", description = "导入文件", required = true)
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:import')")
    @Log(title = "信贷客户实体关联信息", businessType = BusinessType.IMPORT)
    @PostMapping("/importData")
    public AjaxResult importData(@Parameter(description = "导入文件") MultipartFile file) throws Exception {
        List<CcdiCustEnterpriseRelationExcel> list = EasyExcelUtil.importExcel(file.getInputStream(), CcdiCustEnterpriseRelationExcel.class);

        if (list == null || list.isEmpty()) {
            return error("至少需要一条数据");
        }

        // 提交异步任务
        String taskId = relationService.importRelation(list);

        // 立即返回
        ImportResultVO result = new ImportResultVO();
        result.setTaskId(taskId);
        result.setStatus("PROCESSING");
        result.setMessage("导入任务已提交,正在后台处理");

        return AjaxResult.success("导入任务已提交,正在后台处理", result);
    }

    /**
     * 查询导入状态
     */
    @Operation(summary = "查询导入状态")
    @Parameter(name = "taskId", description = "任务ID", required = true)
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:import')")
    @GetMapping("/importStatus/{taskId}")
    public AjaxResult getImportStatus(@PathVariable String taskId) {
        ImportStatusVO statusVO = relationImportService.getImportStatus(taskId);
        return success(statusVO);
    }

    /**
     * 查询导入失败记录
     */
    @Operation(summary = "查询导入失败记录")
    @Parameter(name = "taskId", description = "任务ID", required = true)
    @Parameter(name = "pageNum", description = "页码", required = false)
    @Parameter(name = "pageSize", description = "每页条数", required = false)
    @PreAuthorize("@ss.hasPermi('ccdi:custEnterpriseRelation:import')")
    @GetMapping("/importFailures/{taskId}")
    public TableDataInfo getImportFailures(
            @PathVariable String taskId,
            @RequestParam(defaultValue = "1") Integer pageNum,
            @RequestParam(defaultValue = "10") Integer pageSize) {

        List<CustEnterpriseRelationImportFailureVO> failures = relationImportService.getImportFailures(taskId);

        // 手动分页
        int fromIndex = (pageNum - 1) * pageSize;
        int toIndex = Math.min(fromIndex + pageSize, failures.size());

        if (fromIndex >= failures.size()) {
            return getDataTable(new ArrayList<>(), failures.size());
        }

        List<CustEnterpriseRelationImportFailureVO> pageData = failures.subList(fromIndex, toIndex);

        return getDataTable(pageData, failures.size());
    }
}

八、与员工实体关系代码对比

8.1 关键差异总结

对比项 员工实体关系 信贷客户实体关联
表名 ccdi_staff_enterprise_relation ccdi_cust_enterprise_relation
VO中是否有personName 有（JOIN员工表） 无（不JOIN）
身份证号验证 验证存在于员工表 不验证
员工搜索功能 有 无
身份标识默认值 is_emp_family=1 is_cust_family=1
Redis key前缀 import:staffEnterpriseRelation: import:custEnterpriseRelation:
权限标识 ccdi:staffEnterpriseRelation:* cdi:custEnterpriseRelation:*
API路径 /ccdi/staffEnterpriseRelation/* /ccdi/custEnterpriseRelation/*

8.2 导入逻辑对比

步骤 员工实体关系 信贷客户实体关联
1. 验证必填字段 相同 相同
2. 验证格式 相同 相同
3. 验证身份证号存在 验证 不验证
4. 检查组合唯一性 相同 相同
5. 设置身份标识 is_emp_family=1 is_cust_family=1
6. 批量插入 相同 相同

九、实施步骤

  1. 执行数据库建表SQL
  2. 创建Domain层文件（Entity、VO、DTO、Excel）
  3. 创建Mapper层文件（Mapper接口、Mapper XML）
  4. 创建Service层文件（Service接口、Service实现）
  5. 创建Controller层文件
  6. 配置菜单权限（需执行菜单SQL）
  7. 编译测试
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