分期出账优化、应收款应付款金额精度4

yd-csf-service/src/main/java/com/yd/csf/service/service/impl/FortuneServiceImpl.java

@@ -851,30 +851,31 @@ public class FortuneServiceImpl extends ServiceImpl<FortuneMapper, Fortune>
 
         List<FortuneSplitDto> splitList = fortuneSplitRequest.getFortuneSplitDtoList();
 
-        BigDecimal originalRuleAmount = originalFortune.getRuleAmount();
+        // 分期出账按财务习惯的「原币种金额」originalAmount 守恒（其他接口仍以 ruleAmount 为锚，不在此改动）。
+        BigDecimal baseOriginalAmount = originalFortune.getOriginalAmount();
         int lastIndex = splitList.size() - 1;
 
-        // 3. 保单币金额守恒：Σ各期 ruleAmount 必须等于原锚。
-        // 各期金额由财务人工维护，系统不判断各期该填多少；总平不上时只给出末期找平金额，帮其通过校验。
-        BigDecimal totalRuleAmount = splitList.stream()
-                .map(FortuneSplitDto::getRuleAmount)
+        // 3. 原币种金额守恒：Σ各期 originalAmount 必须等于原记录 originalAmount。
+        // 各期金额由财务人工维护；总平不上时只给出末期找平金额，帮其通过校验。
+        BigDecimal totalOriginalAmount = splitList.stream()
+                .map(FortuneSplitDto::getOriginalAmount)
                 .filter(Objects::nonNull)
                 .reduce(BigDecimal.ZERO, BigDecimal::add);
-        if (totalRuleAmount.compareTo(originalRuleAmount) != 0) {
+        if (totalOriginalAmount.compareTo(baseOriginalAmount) != 0) {
             BigDecimal sumBeforeLast = BigDecimal.ZERO;
             for (int i = 0; i < lastIndex; i++) {
-                if (splitList.get(i).getRuleAmount() != null) {
-                    sumBeforeLast = sumBeforeLast.add(splitList.get(i).getRuleAmount());
+                if (splitList.get(i).getOriginalAmount() != null) {
+                    sumBeforeLast = sumBeforeLast.add(splitList.get(i).getOriginalAmount());
                 }
             }
-            // 末期找平金额 = 原锚 - Σ前n-1期（精确到2位，填此值必能过校验）
-            BigDecimal lastLevelAmount = originalRuleAmount.subtract(sumBeforeLast)
+            // 末期找平金额 = 原记录原币种金额 - Σ前n-1期（精确到2位，填此值必能过校验）
+            BigDecimal lastLevelAmount = baseOriginalAmount.subtract(sumBeforeLast)
                     .setScale(2, RoundingMode.HALF_UP);
             String tip = lastLevelAmount.signum() >= 0
-                    ? String.format("「保单币种金额」不平：各期合计 %s，应等于 %s。请将最后一期（第%d期）的「保单币种金额」改为 %s 后提交",
-                            totalRuleAmount, originalRuleAmount, splitList.size(), lastLevelAmount.toPlainString())
-                    : String.format("前%d期「保单币种金额」合计 %s，已超过应发金额 %s，请调减前期金额后提交",
-                            lastIndex, sumBeforeLast, originalRuleAmount);
+                    ? String.format("「原币种金额」不平：各期合计 %s，应等于 %s。请将最后一期（第%d期）的「原币种金额」改为 %s 后提交",
+                            totalOriginalAmount, baseOriginalAmount, splitList.size(), lastLevelAmount.toPlainString())
+                    : String.format("前%d期「原币种金额」合计 %s，已超过应发金额 %s，请调减前期金额后提交",
+                            lastIndex, sumBeforeLast, baseOriginalAmount);
             throw new BusinessException(ResultCode.PARAM_CHECK_ERROR.getCode(), tip);
         }