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✨ CRM：code review 客户导出的实现

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YunaiV
2024-02-24 19:57:26 +08:00
parent e7bd2a568d
commit cd87f2e4aa
6 changed files with 64 additions and 84 deletions
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2
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/enums/ExcelColumn.java
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@ -3,6 +3,7 @@ package cn.iocoder.yudao.framework.excel.core.enums;
import lombok.AllArgsConstructor;
import lombok.Getter;
// TODO @puhui999：列表有办法通过 field name 么？主要考虑一个点，可能导入模版的顺序可能会变
/**
* 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
@ -12,6 +13,7 @@ import lombok.Getter;
@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),

34
yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/handler/SelectSheetWriteHandler.java
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@ -23,9 +23,20 @@ import java.util.stream.Collectors;
*/
public class SelectSheetWriteHandler implements SheetWriteHandler {
/**
* 数据起始行从 0 开始
*
* 约定：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 FIRST_ROW = 1;
/**
* 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
*/
public static final int LAST_ROW = 2000;
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
// TODO @puhui999：Map<ExcelColumn, List<String>> 可以么？之前用 keyvalue 的原因，返回给前端，无法用 linkedhashmap，默认 key 会乱序
private final List<KeyValue<ExcelColumn, List<String>>> selectMap;
public SelectSheetWriteHandler(List<KeyValue<ExcelColumn, List<String>>> selectMap) {
@ -48,32 +59,32 @@ public class SelectSheetWriteHandler implements SheetWriteHandler {
return;
}
// 1.1 获取相应操作对象
// 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
// 2. 创建数据字典的 sheet 页
Sheet dictSheet = workbook.createSheet(DICT_SHEET_NAME);
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++) {
int rowLength = keyValue.getValue().size();
// 2.1 设置字典 sheet 页的值 每一列一个字典项
for (int i = 0; i < rowLength; i++) {
Row row = dictSheet.getRow(i);
if (row == null) {
row = dictSheet.createRow(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);
// 2.2 设置单元格下拉选择
setColumnSelect(writeSheetHolder, workbook, helper, keyValue);
}
}
/**
* 设置单元格下拉选择
*/
private static void setColSelect(WriteSheetHolder writeSheetHolder, Workbook workbook, DataValidationHelper helper,
KeyValue<ExcelColumn, List<String>> keyValue) {
private static void setColumnSelect(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();
String excelColumn = keyValue.getKey().name();
@ -81,6 +92,7 @@ public class SelectSheetWriteHandler implements SheetWriteHandler {
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