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完善 Excel 导入模版下拉选择生成实现

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puhui999 2024-02-24 11:40:58 +08:00
parent e53a0ca884
commit 5dc1dbb3b2
8 changed files with 102 additions and 85 deletions
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25
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/enums/ExcelColumn.java Normal file
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@ -0,0 +1,25 @@
package cn.iocoder.yudao.framework.excel.core.enums;
import lombok.AllArgsConstructor;
import lombok.Getter;
/**
* Excel 列名枚举
* 默认枚举 26 列列名如果有需求更多的列名请自行补充
*
* @author HUIHUI
*/
@Getter
@AllArgsConstructor
public enum ExcelColumn {
A(0), B(1), C(2), D(3), E(4), F(5), G(6), H(7), I(8),
J(9), K(10), L(11), M(12), N(13), O(14), P(15), Q(16),
R(17), S(18), T(19), U(20), V(21), W(22), X(23), Y(24),
Z(25);
/**
* 列索引
*/
private final int colNum;
}

84
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/handler/SelectSheetWriteHandler.java
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@ -1,7 +1,9 @@
package cn.iocoder.yudao.framework.excel.core.handler;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Assert;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import cn.iocoder.yudao.framework.excel.core.enums.ExcelColumn;
import com.alibaba.excel.write.handler.SheetWriteHandler;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
@ -11,6 +13,8 @@ import org.apache.poi.ss.util.CellRangeAddressList;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* 基于固定 sheet 实现下拉框
@ -20,18 +24,20 @@ import java.util.List;
public class SelectSheetWriteHandler implements SheetWriteHandler {
private static final String DICT_SHEET_NAME = "字典sheet";
public static final int FIRST_ROW = 1; // 数据起始行从 0 开始，本项目第一行有标题所以从 1 开始如果您的 Excel 有多行标题请自行更改
public static final int LAST_ROW = 2000; // 下拉列需要创建下拉框的行数，默认两千行如需更多请自行调整
private final List<KeyValue<ExcelColumn, List<String>>> selectMap;
// TODO @puhui999：key 不使用 int 值么？感觉不是很优雅哈。
private final List<KeyValue<Integer, List<String>>> selectMap;
private static final char[] ALPHABET = new char[]{'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};
public SelectSheetWriteHandler(List<KeyValue<Integer, List<String>>> selectMap) {
public SelectSheetWriteHandler(List<KeyValue<ExcelColumn, List<String>>> selectMap) {
if (CollUtil.isEmpty(selectMap)) {
this.selectMap = null;
return;
}
// 校验一下 key 是否唯一
Map<String, Long> nameCounts = selectMap.stream()
.collect(Collectors.groupingBy(item -> item.getKey().name(), Collectors.counting()));
Assert.isFalse(nameCounts.entrySet().stream().allMatch(entry -> entry.getValue() > 1), "下拉数据 key 重复请排查！！！");
selectMap.sort(Comparator.comparing(item -> item.getValue().size())); // 升序不然创建下拉会报错
this.selectMap = selectMap;
}
@ -41,16 +47,14 @@ public class SelectSheetWriteHandler implements SheetWriteHandler {
if (CollUtil.isEmpty(selectMap)) {
return;
}
// 需要设置下拉框的 sheet 页
Sheet currentSheet = writeSheetHolder.getSheet();
DataValidationHelper helper = currentSheet.getDataValidationHelper();
Workbook workbook = writeWorkbookHolder.getWorkbook();
// 数据字典的 sheet 页
// 1.1 获取相应操作对象
DataValidationHelper helper = writeSheetHolder.getSheet().getDataValidationHelper(); // 需要设置下拉框的 sheet 页的数据验证助手
Workbook workbook = writeWorkbookHolder.getWorkbook(); // 获得工作簿
// 1.2 创建数据字典的 sheet 页
Sheet dictSheet = workbook.createSheet(DICT_SHEET_NAME);
for (KeyValue<Integer, List<String>> keyValue : selectMap) {
// 设置下拉单元格的首行、末行、首列、末列
CellRangeAddressList rangeAddressList = new CellRangeAddressList(1, 65533, keyValue.getKey(), keyValue.getKey());
for (KeyValue<ExcelColumn, List<String>> keyValue : selectMap) {
int rowLen = keyValue.getValue().size();
// 设置字典 sheet 页的值 每一列一个字典项
for (int i = 0; i < rowLen; i++) {
@ -58,20 +62,30 @@ public class SelectSheetWriteHandler implements SheetWriteHandler {
if (row == null) {
row = dictSheet.createRow(i);
}
row.createCell(keyValue.getKey()).setCellValue(keyValue.getValue().get(i));
row.createCell(keyValue.getKey().getColNum()).setCellValue(keyValue.getValue().get(i));
}
// 1.3 设置单元格下拉选择
setColSelect(writeSheetHolder, workbook, helper, keyValue);
}
}
// TODO @puhui999：下面 1. 2.1 2.2 2.3 我是按照已经理解的，调整了下格式；这样可读性更好；在 52 到 62 行，你可以看看，是不是也弄下序号；
// 1. 创建可被其他单元格引用的名称
/**
* 设置单元格下拉选择
*/
private static void setColSelect(WriteSheetHolder writeSheetHolder, Workbook workbook, DataValidationHelper helper,
KeyValue<ExcelColumn, List<String>> keyValue) {
// 1.1 创建可被其他单元格引用的名称
Name name = workbook.createName();
// TODO @puhui999：下面的 excelColumn 和 refers 两行，是不是可以封装成一个方法，替代 getExcelColumn；
String excelColumn = getExcelColumn(keyValue.getKey());
String refers = DICT_SHEET_NAME + "!$" + excelColumn + "$1:$" + excelColumn + "$" + rowLen; // 下拉框数据来源 eg:字典sheet!$B1:$B2
String excelColumn = keyValue.getKey().name();
// 1.2 下拉框数据来源 eg:字典sheet!$B1:$B2
String refers = DICT_SHEET_NAME + "!$" + excelColumn + "$1:$" + excelColumn + "$" + keyValue.getValue().size();
name.setNameName("dict" + keyValue.getKey()); // 设置名称的名字
name.setRefersToFormula(refers); // 设置公式
// 2.1 设置约束
DataValidationConstraint constraint = helper.createFormulaListConstraint("dict" + keyValue.getKey()); // 设置引用约束
// 设置下拉单元格的首行、末行、首列、末列
CellRangeAddressList rangeAddressList = new CellRangeAddressList(FIRST_ROW, LAST_ROW,
keyValue.getKey().getColNum(), keyValue.getKey().getColNum());
DataValidation validation = helper.createValidation(constraint, rangeAddressList);
if (validation instanceof HSSFDataValidation) {
validation.setSuppressDropDownArrow(false);
@ -85,31 +99,5 @@ public class SelectSheetWriteHandler implements SheetWriteHandler {
// 2.3 添加下拉框约束
writeSheetHolder.getSheet().addValidationData(validation);
}
}
/**
* 将数字列转化成为字母列
*
* @param num 数字
* @return 字母
*/
// TODO @puhui999：这个是必须字母列哇？还是数字其实也可以哈？主要想看看，怎么能把这个逻辑，进一步简化
private String getExcelColumn(int num) {
String column;
int len = ALPHABET.length - 1;
int first = num / len;
int second = num % len;
if (num <= len) {
column = ALPHABET[num] + "";
} else {
column = ALPHABET[first - 1] + "";
if (second == 0) {
column = column + ALPHABET[len];
} else {
column = column + ALPHABET[second - 1];
}
}
return column;
}
}

5
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java
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@ -1,6 +1,7 @@
package cn.iocoder.yudao.framework.excel.core.util;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import cn.iocoder.yudao.framework.excel.core.enums.ExcelColumn;
import cn.iocoder.yudao.framework.excel.core.handler.SelectSheetWriteHandler;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.converters.longconverter.LongStringConverter;
@ -44,11 +45,11 @@ public class ExcelUtils {
* @param sheetName Excel sheet 名
* @param head Excel head 头
* @param data 数据列表哦
* @param selectMap 下拉选择数据 Map
* @param selectMap 下拉选择数据 Map<下拉所对应的列表名，下拉数据>
* @throws IOException 写入失败的情况
*/
public static <T> void write(HttpServletResponse response, String filename, String sheetName,
Class<T> head, List<T> data, List<KeyValue<Integer, List<String>>> selectMap) throws IOException {
Class<T> head, List<T> data, List<KeyValue<ExcelColumn, List<String>>> selectMap) throws IOException {
// 输出 Excel
EasyExcel.write(response.getOutputStream(), head)
.autoCloseStream(false) // 不要自动关闭，交给 Servlet 自己处理

13
yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/controller/admin/customer/CrmCustomerController.java
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@ -10,6 +10,7 @@ import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
import cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils;
import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.framework.excel.core.enums.ExcelColumn;
import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
import cn.iocoder.yudao.framework.ip.core.Area;
import cn.iocoder.yudao.framework.ip.core.utils.AreaUtils;
@ -268,21 +269,21 @@ public class CrmCustomerController {
ExcelUtils.write(response, "客户导入模板.xls", "客户列表", CrmCustomerImportExcelVO.class, list, builderSelectMap());
}
private List<KeyValue<Integer, List<String>>> builderSelectMap() {
List<KeyValue<Integer, List<String>>> selectMap = new ArrayList<>();
private List<KeyValue<ExcelColumn, List<String>>> builderSelectMap() {
List<KeyValue<ExcelColumn, List<String>>> selectMap = new ArrayList<>();
// 获取地区下拉数据
// TODO @puhui999：嘿嘿，这里改成省份、城市、区域，三个选项，难度大么？
Area area = AreaUtils.parseArea(Area.ID_CHINA);
selectMap.add(new KeyValue<>(6, AreaUtils.getAreaNodePathList(area.getChildren())));
selectMap.add(new KeyValue<>(ExcelColumn.G, AreaUtils.getAreaNodePathList(area.getChildren())));
// 获取客户所属行业
List<String> customerIndustries = dictDataApi.getDictDataLabelList(CRM_CUSTOMER_INDUSTRY);
selectMap.add(new KeyValue<>(8, customerIndustries));
selectMap.add(new KeyValue<>(ExcelColumn.I, customerIndustries));
// 获取客户等级
List<String> customerLevels = dictDataApi.getDictDataLabelList(CRM_CUSTOMER_LEVEL);
selectMap.add(new KeyValue<>(9, customerLevels));
selectMap.add(new KeyValue<>(ExcelColumn.J, customerLevels));
// 获取客户来源
List<String> customerSources = dictDataApi.getDictDataLabelList(CRM_CUSTOMER_SOURCE);
selectMap.add(new KeyValue<>(10, customerSources));
selectMap.add(new KeyValue<>(ExcelColumn.K, customerSources));
return selectMap;
}

3
yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/customer/CrmCustomerServiceImpl.java
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@ -41,6 +41,7 @@ import java.time.LocalDateTime;
import java.util.*;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
import static cn.iocoder.yudao.module.crm.enums.ErrorCodeConstants.*;
import static cn.iocoder.yudao.module.crm.enums.LogRecordConstants.*;
import static cn.iocoder.yudao.module.crm.enums.customer.CrmCustomerLimitConfigTypeEnum.CUSTOMER_LOCK_LIMIT;
@ -260,6 +261,8 @@ public class CrmCustomerServiceImpl implements CrmCustomerService {
if (CollUtil.isEmpty(importCustomers)) {
throw exception(CUSTOMER_IMPORT_LIST_IS_EMPTY);
}
// 因为有下拉所以需要过滤掉空行
importCustomers = filterList(importCustomers, item -> Objects.nonNull(item.getName()));
CrmCustomerImportRespVO respVO = CrmCustomerImportRespVO.builder().createCustomerNames(new ArrayList<>())
.updateCustomerNames(new ArrayList<>()).failureCustomerNames(new LinkedHashMap<>()).build();
importCustomers.forEach(importCustomer -> {

5
yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivablePlanServiceImpl.java
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@ -70,11 +70,10 @@ public class CrmReceivablePlanServiceImpl implements CrmReceivablePlanService {
validateRelationDataExists(createReqVO);
// 1.2 查验关联合同回款数量
Long count = receivableService.getReceivableCountByContractId(createReqVO.getContractId());
int period = (int) (count + 1);
createReqVO.setPeriod(createReqVO.getPeriod() != period ? period : createReqVO.getPeriod()); // 如果期数不对则纠正
// 2. 插入还款计划
CrmReceivablePlanDO receivablePlan = BeanUtils.toBean(createReqVO, CrmReceivablePlanDO.class).setId(null).setFinishStatus(false);
CrmReceivablePlanDO receivablePlan = BeanUtils.toBean(createReqVO, CrmReceivablePlanDO.class).setId(null)
.setPeriod((int) (count + 1)).setFinishStatus(false);
receivablePlanMapper.insert(receivablePlan);
// 3. 创建数据权限

2
yudao-module-crm/yudao-module-crm-biz/src/main/java/cn/iocoder/yudao/module/crm/service/receivable/CrmReceivableServiceImpl.java
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@ -67,7 +67,7 @@ public class CrmReceivableServiceImpl implements CrmReceivableService {
private CrmContractService contractService;
@Resource
private CrmCustomerService customerService;
// @Resource
@Resource
@Lazy // 延迟加载，避免循环依赖
private CrmReceivablePlanService receivablePlanService;
@Resource

26
yudao-module-infra/yudao-module-infra-api/src/main/java/cn/iocoder/yudao/module/infra/enums/ErrorCodeConstants.java
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@ -33,19 +33,19 @@ public interface ErrorCodeConstants {
ErrorCode FILE_IS_EMPTY = new ErrorCode(1_001_003_002, "文件为空");
// ========== 代码生成器 1-001-004-000 ==========
ErrorCode CODEGEN_TABLE_EXISTS = new ErrorCode(1_003_001_000, "表定义已经存在");
ErrorCode CODEGEN_IMPORT_TABLE_NULL = new ErrorCode(1_003_001_001, "导入的表不存在");
ErrorCode CODEGEN_IMPORT_COLUMNS_NULL = new ErrorCode(1_003_001_002, "导入的字段不存在");
ErrorCode CODEGEN_TABLE_NOT_EXISTS = new ErrorCode(1_003_001_004, "表定义不存在");
ErrorCode CODEGEN_COLUMN_NOT_EXISTS = new ErrorCode(1_003_001_005, "字段义不存在");
ErrorCode CODEGEN_SYNC_COLUMNS_NULL = new ErrorCode(1_003_001_006, "同步的字段不存在");
ErrorCode CODEGEN_SYNC_NONE_CHANGE = new ErrorCode(1_003_001_007, "同步失败，不存在改变");
ErrorCode CODEGEN_TABLE_INFO_TABLE_COMMENT_IS_NULL = new ErrorCode(1_003_001_008, "数据库的表注释未填写");
ErrorCode CODEGEN_TABLE_INFO_COLUMN_COMMENT_IS_NULL = new ErrorCode(1_003_001_009, "数据库的表字段({})注释未填写");
ErrorCode CODEGEN_MASTER_TABLE_NOT_EXISTS = new ErrorCode(1_003_001_010, "主表(id={})定义不存在，请检查");
ErrorCode CODEGEN_SUB_COLUMN_NOT_EXISTS = new ErrorCode(1_003_001_011, "子表的字段(id={})不存在，请检查");
ErrorCode CODEGEN_MASTER_GENERATION_FAIL_NO_SUB_TABLE = new ErrorCode(1_003_001_012, "主表生成代码失败，原因：它没有子表");
ErrorCode CODEGEN_MASTER_GENERATION_FAIL_NO_SUB_COLUMN = new ErrorCode(1_003_001_013, "主表生成代码失败，原因：它的子表({})没有字段");
ErrorCode CODEGEN_TABLE_EXISTS = new ErrorCode(1_001_004_002, "表定义已经存在");
ErrorCode CODEGEN_IMPORT_TABLE_NULL = new ErrorCode(1_001_004_001, "导入的表不存在");
ErrorCode CODEGEN_IMPORT_COLUMNS_NULL = new ErrorCode(1_001_004_002, "导入的字段不存在");
ErrorCode CODEGEN_TABLE_NOT_EXISTS = new ErrorCode(1_001_004_004, "表定义不存在");
ErrorCode CODEGEN_COLUMN_NOT_EXISTS = new ErrorCode(1_001_004_005, "字段义不存在");
ErrorCode CODEGEN_SYNC_COLUMNS_NULL = new ErrorCode(1_001_004_006, "同步的字段不存在");
ErrorCode CODEGEN_SYNC_NONE_CHANGE = new ErrorCode(1_001_004_007, "同步失败，不存在改变");
ErrorCode CODEGEN_TABLE_INFO_TABLE_COMMENT_IS_NULL = new ErrorCode(1_001_004_008, "数据库的表注释未填写");
ErrorCode CODEGEN_TABLE_INFO_COLUMN_COMMENT_IS_NULL = new ErrorCode(1_001_004_009, "数据库的表字段({})注释未填写");
ErrorCode CODEGEN_MASTER_TABLE_NOT_EXISTS = new ErrorCode(1_001_004_010, "主表(id={})定义不存在，请检查");
ErrorCode CODEGEN_SUB_COLUMN_NOT_EXISTS = new ErrorCode(1_001_004_011, "子表的字段(id={})不存在，请检查");
ErrorCode CODEGEN_MASTER_GENERATION_FAIL_NO_SUB_TABLE = new ErrorCode(1_001_004_012, "主表生成代码失败，原因：它没有子表");
ErrorCode CODEGEN_MASTER_GENERATION_FAIL_NO_SUB_COLUMN = new ErrorCode(1_001_004_013, "主表生成代码失败，原因：它的子表({})没有字段");
// ========== 文件配置 1-001-006-000 ==========
ErrorCode FILE_CONFIG_NOT_EXISTS = new ErrorCode(1_001_006_000, "文件配置不存在");