修改物资设备清单导入修改

xinnengyuan/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/coryUtils/ExcelReader.java

@@ -1,10 +1,7 @@
 package org.dromara.common.excel.coryUtils;
 
-import org.apache.poi.hssf.usermodel.HSSFSheet;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
-import org.apache.poi.ss.usermodel.Cell;
-import org.apache.poi.ss.usermodel.Row;
-import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.ss.usermodel.*;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -84,7 +81,7 @@ public class ExcelReader {
                 SheetData sheetData = new SheetData();
                 sheetData.setSheetName(sheet.getSheetName());
 
-                processSheetData(sheet, sheetData);
+                processSheetData(workbook,sheet, sheetData);
                 sheetDataList.add(sheetData);
             }
         }
@@ -114,7 +111,7 @@ public class ExcelReader {
                 sheetData.setSheetName(sheet.getSheetName());
 
                 // 处理单个sheet的数据
-                processSheetData(sheet, sheetData);
+                processSheetData(workbook, sheet, sheetData);
 
                 sheetDataList.add(sheetData);
             }
@@ -129,7 +126,7 @@ public class ExcelReader {
     /**
      * 处理单个工作表的数据
      */
-    private static void processSheetData(org.apache.poi.ss.usermodel.Sheet sheet, SheetData sheetData) {
+    private static void processSheetData(Workbook workbook, Sheet sheet, SheetData sheetData) {
         boolean foundChineseStart = false;
         List<List<String>> data = new ArrayList<>();
         boolean isFirstRow = true;
@@ -140,12 +137,12 @@ public class ExcelReader {
                 isFirstRow = false;
                 continue;
             }
-            if(hasValidData(row)){
+            if(hasValidData(workbook,row)){
                 List<String> rowData = new ArrayList<>();
                 // 读取A到E列（索引0到4）
                 for (int cellIndex = 0; cellIndex < 6; cellIndex++) {
                     Cell cell = row.getCell(cellIndex, Row.MissingCellPolicy.CREATE_NULL_AS_BLANK);
-                    rowData.add(getCellValue(cell));
+                    rowData.add(getCellValue(workbook,cell));
                 }
 
                 // 检查是否找到中文数字开头的行
@@ -165,11 +162,11 @@ public class ExcelReader {
         sheetData.setData(data);
     }
 
-    private static boolean hasValidData(Row row) {
+    private static boolean hasValidData(Workbook workbook,Row row) {
         // 遍历行中的所有单元格
         for (int cellIndex = 0; cellIndex < row.getLastCellNum(); cellIndex++) {
             Cell cell = row.getCell(cellIndex, Row.MissingCellPolicy.CREATE_NULL_AS_BLANK);
-            String cellValue = getCellValue(cell).trim();
+            String cellValue = getCellValue(workbook, cell).trim();
 
             // 只要有一个单元格有非空值，就认为是有效行
             if (!cellValue.isEmpty()) {
@@ -278,7 +275,7 @@ public class ExcelReader {
     /**
      * 获取单元格的值，处理不同数据类型
      */
-    private static String getCellValue(Cell cell) {
+    private static String getCellValue(Workbook workbook, Cell cell) {
         if (cell == null) {
             return "";
         }
@@ -293,6 +290,21 @@ public class ExcelReader {
                     return numericValue.substring(0, numericValue.length() - 2);
                 }
                 return numericValue;
+            case FORMULA:
+                //这样对于字符串cell.getStringCellValue()方法即可取得其值，如果公式生成的是数值，使用cell.getStringCellValue()方法会抛出IllegalStateException异常，在异常处理中使用cell.getNumericCellValue();
+                // 1. 获取公式文本（如 "A1+B1"）
+                String formula = cell.getCellFormula();
+                System.out.println("公式文本：" + formula);
+
+                // 2. 创建公式计算器（关键步骤：用于计算公式结果）
+                FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
+
+                // 3. 计算公式，返回包含结果类型和值的CellValue对象
+                CellValue cellValue = evaluator.evaluate(cell);
+
+                // 4. 根据结果类型提取值
+                return getValue( cellValue.getCellType(), cellValue);
+
             case BOOLEAN:
                 return String.valueOf(cell.getBooleanCellValue());
             default:
@@ -300,6 +312,19 @@ public class ExcelReader {
         }
     }
 
+    private static String getValue( CellType resultType, CellValue cellValue) {
+        return switch (resultType) {
+            case NUMERIC -> String.valueOf(cellValue.getNumberValue());
+            case STRING -> String.valueOf(cellValue.getStringValue());
+            case BOOLEAN -> String.valueOf(cellValue.getBooleanValue());
+            case ERROR -> String.valueOf(cellValue.getErrorValue());
+            case BLANK -> String.valueOf(CellType.BLANK);
+            default ->
+                // 保留原公式（不处理的类型）
+                cellValue.getStringValue();
+        };
+    }
+
     /**
      * 根据A列的值确定父节点的键
      */