支持是否四舍五入

src/main/java/com/gaotao/modules/base/entity/ReportLabelList.java

@@ -32,6 +32,7 @@ public class ReportLabelList {
     private Integer decimalPlaces;
     private Boolean showDecimalPlaces;
     private Boolean thousandsSeparator;
+    private Boolean roundHalfUp;
     @TableField(exist = false)
     private Integer digits;
     @TableField(exist = false)

src/main/java/com/gaotao/modules/base/service/Impl/LabelDataProcessorServiceImpl.java

@@ -646,7 +646,7 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
             // 尝试解析为数字
             BigDecimal number = new BigDecimal(text.trim());
             return formatNumber(number, element.getDecimalPlaces(),
-                             element.getShowDecimalPlaces(), element.getThousandsSeparator());
+                             element.getShowDecimalPlaces(), element.getThousandsSeparator(), element.getRoundHalfUp());
         } catch (NumberFormatException e) {
             log.debug("文本无法解析为数字，保持原样: {}", text);
             return text;
@@ -655,6 +655,14 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
 
     @Override
     public String formatNumber(Object value, Integer decimalPlaces, Boolean showDecimalPlaces, Boolean thousandsSeparator) {
+        return formatNumber(value, decimalPlaces, showDecimalPlaces, thousandsSeparator, true);
+    }
+
+    /**
+     * 格式化数字数据（支持四舍五入或截断）
+     */
+    private String formatNumber(Object value, Integer decimalPlaces, Boolean showDecimalPlaces,
+                                Boolean thousandsSeparator, Boolean roundHalfUp) {
         if (value == null) {
             return "";
         }
@@ -683,8 +691,9 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
             // 创建格式化器
             DecimalFormat formatter = createNumberFormatter(scale, Boolean.TRUE.equals(thousandsSeparator));
 
-            // 设置舍入模式
-            formatter.setRoundingMode(RoundingMode.HALF_UP);
+            // 设置舍入模式：默认四舍五入；取消勾选时按小数位截断
+            boolean useHalfUp = roundHalfUp == null || Boolean.TRUE.equals(roundHalfUp);
+            formatter.setRoundingMode(useHalfUp ? RoundingMode.HALF_UP : RoundingMode.DOWN);
 
             return formatter.format(number);
 
@@ -1231,6 +1240,7 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
         copy.setDecimalPlaces(original.getDecimalPlaces());
         copy.setShowDecimalPlaces(original.getShowDecimalPlaces());
         copy.setThousandsSeparator(original.getThousandsSeparator());
+        copy.setRoundHalfUp(original.getRoundHalfUp());
         copy.setDigits(original.getDigits());
         copy.setStep(original.getStep());