From 400d6cf7320c654fde469630961256be9af268c7 Mon Sep 17 00:00:00 2001
From: jsyang <mind-one003@mind-one.co.kr>
Date: Tue, 23 Sep 2025 11:07:23 +0900
Subject: [PATCH] =?UTF-8?q?=EC=97=91=EC=85=80=20=EC=88=AB=EC=9E=90?=
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---
 .../src/ui/excel/index.tsx                    | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/packages/common/business_components/src/ui/excel/index.tsx b/packages/common/business_components/src/ui/excel/index.tsx
index cbe77293b..1e4626440 100644
--- a/packages/common/business_components/src/ui/excel/index.tsx
+++ b/packages/common/business_components/src/ui/excel/index.tsx
@@ -6,6 +6,9 @@ type ExcelDownloadProps = {
   fileName: string;
   sheetNameArray: string[];
   headerRange?: string;
+  decimalArray1? : number[];
+  decimalArray2? : number[];
+  decimalArray3? : number[];
 }
 
 export const downloadExcel = ({ data, fileName = new Date().getTime().toString() + '.xlsx', sheetNameArray = ["Sheet1"], headerRange='A1:V3'}: ExcelDownloadProps) => {
@@ -15,6 +18,43 @@ export const downloadExcel = ({ data, fileName = new Date().getTime().toString()
   excelStyle(XLSX.write(workbook, { bookType: "xlsx", type: "buffer" }), headerRange, fileName);
 };
 
+export const downloadExcelFormat = ({ data, fileName = new Date().getTime().toString() + '.xlsx', sheetNameArray = ["Sheet1"], headerRange='A1:V3', decimalArray1=[], decimalArray2=[], decimalArray3=[]}: ExcelDownloadProps) => {
+  const worksheet = XLSX.utils.json_to_sheet(Array.isArray(data) ? data : [data]);
+  const workbook = XLSX.utils.book_new();
+  XLSX.utils.book_append_sheet(workbook, worksheet, sheetNameArray[0]);
+
+  const headerEnd = XLSX.utils.decode_range(headerRange).e.r; // 0-based index
+  const startRow = headerEnd + 1; 
+
+  // 🔹 전체 범위
+  const range = XLSX.utils.decode_range(worksheet["!ref"] as string);
+  
+  const chaneValue = (array: number[], decimal: number) => {
+    for (let row = startRow; row <= range.e.r; row++) {
+      if(array.length>0){
+        for(let idx=0; idx<array.length; idx++){
+          const cellAddr = XLSX.utils.encode_cell({ r: row, c: Number(array[idx]) });
+          const cell = worksheet[cellAddr];
+          if (cell && typeof cell.v === "number") {
+            if(decimal===1){
+              cell.z = "0.0"; // 소수점 3자리
+            }else if(decimal===2){
+              cell.z = "0.00";
+            }else if(decimal===3){
+              cell.z = "0.000";
+            }
+          }
+        }
+      }
+    }
+  };
+
+  chaneValue(decimalArray1, 1);
+  chaneValue(decimalArray2, 2);
+  chaneValue(decimalArray3, 3);
+  excelStyle(XLSX.write(workbook, { bookType: "xlsx", type: "buffer" }), headerRange, fileName);
+};
+
 export type SheetParameter = {
   data: any[][];
   headerNum: number;