'commit'

src/main/java/com/dsideal/QingLong/Util/PoiUtil.java

@@ -73,11 +73,20 @@ public class PoiUtil {
     public static void addValidation(Workbook workbook, int sheetIdx, String options, int firstRow, int lastRow, int firstCol, int lastCol) {
         String[] optionArray = options.split(",");
         Sheet sheet = workbook.getSheetAt(sheetIdx);
+
+        // 删除已有的校验
+        DataValidationHelper dvHelper = sheet.getDataValidationHelper();
+        DataValidationConstraint dvConstraint = dvHelper.createCustomConstraint("DELETE_ALL");
+        CellRangeAddressList addressList = new CellRangeAddressList(0, 0, 0, 0); // 设置一个范围，例如整个表格范围
+        DataValidation validation = dvHelper.createValidation(dvConstraint, addressList);
+        validation.setSuppressDropDownArrow(true);
+        sheet.addValidationData(validation);
+
         // 创建数据验证对象
         DataValidationHelper validationHelper = sheet.getDataValidationHelper();
         DataValidationConstraint constraint = validationHelper.createExplicitListConstraint(optionArray);
-        CellRangeAddressList addressList = new CellRangeAddressList(firstRow, lastRow, firstCol, lastCol); // 指定单元格范围
-        DataValidation validation = validationHelper.createValidation(constraint, addressList);
+        addressList = new CellRangeAddressList(firstRow, lastRow, firstCol, lastCol); // 指定单元格范围
+        validation = validationHelper.createValidation(constraint, addressList);
         // 应用数据验证到单元格
         sheet.addValidationData(validation);
     }