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com.awspaas.user.apps.donenow_ctt/src/com/awspaas/user/apps/donenow_ctt/controller/contractApproveController.java

@@ -2130,6 +2130,11 @@ public class contractApproveController {
                 }
             }
 
+            // =========================================================================
+            // 新增：计算中文大写金额
+            // =========================================================================
+            String requestAmountCn = convertNumberToChinese(requestAmountTotal);
+
             // 3. 创建支付请求单主表（Process Instance + BO）
             String mainPayRequestId = planIds[0];
             ProcessInstance processInstance = SDK.getProcessAPI().createProcessInstance(
@@ -2141,6 +2146,11 @@ public class contractApproveController {
             BO mainPayRequestBO = new BO();
             mainPayRequestBO.setBindId(processInstance.getId());
             mainPayRequestBO.set("REQUEST_AMOUNT", requestAmountTotal);
+            // =========================================================================
+            // 新增：为主表BO设置中文大写金额字段
+            // =========================================================================
+            mainPayRequestBO.set("REQUEST_AMOUNT_CN", requestAmountCn);
+
             SDK.getBOAPI().create("BO_EU_DNIVT_PAY_REQUEST", mainPayRequestBO, processInstance, uc);
             SDK.getProcessAPI().start(processInstance);
 
@@ -2195,6 +2205,111 @@ public class contractApproveController {
         }
     }
 
+    /**
+     * 将 BigDecimal 金额转换为中文大写金额字符串
+     * @param amount 金额
+     * @return 中文大写金额
+     */
+    private static String convertNumberToChinese(BigDecimal amount) {
+        if (amount == null) {
+            throw new IllegalArgumentException("输入金额不能为null");
+        }
+        if (amount.compareTo(BigDecimal.ZERO) < 0) {
+            throw new IllegalArgumentException("金额不能为负数");
+        }
+        if (amount.compareTo(new BigDecimal("999999999999.99")) > 0) {
+            throw new IllegalArgumentException("金额超出范围（最大支持到 999,999,999,999.99）");
+        }
+
+        // 处理整数和小数部分
+        BigDecimal integerPart = amount.setScale(0, BigDecimal.ROUND_DOWN);
+        BigDecimal decimalPart = amount.subtract(integerPart).multiply(new BigDecimal("100")).setScale(0, BigDecimal.ROUND_HALF_UP);
+
+        final String[] chineseDigits = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"};
+        final String[] chineseUnits = {"", "拾", "佰", "仟"};
+        final String[] chineseSections = {"", "万", "亿"};
+
+        String integerStr = convertInteger(integerPart, chineseDigits, chineseUnits, chineseSections);
+        String decimalStr = convertDecimal(decimalPart, chineseDigits);
+
+        if (decimalStr.isEmpty()) {
+            decimalStr = "整";
+        }
+
+        return integerStr + (integerStr.equals("零") ? "" : "元") + decimalStr;
+    }
+
+    /**
+     * 转换整数部分
+     */
+    private static String convertInteger(BigDecimal num, String[] digits, String[] units, String[] sections) {
+        if (num.compareTo(BigDecimal.ZERO) == 0) return "零";
+
+        StringBuilder result = new StringBuilder();
+        int sectionIndex = 0;
+
+        while (num.compareTo(BigDecimal.ZERO) > 0) {
+            BigDecimal section = num.remainder(new BigDecimal("10000"));
+            if (section.compareTo(BigDecimal.ZERO) != 0) {
+                String sectionStr = convertSection(section, digits, units);
+                if (sectionIndex > 0) {
+                    sectionStr += sections[sectionIndex];
+                }
+                result.insert(0, sectionStr);
+            } else if (result.length() > 0 && !result.toString().startsWith("零")) {
+                result.insert(0, "零");
+            }
+            num = num.divide(new BigDecimal("10000"), 0, BigDecimal.ROUND_DOWN);
+            sectionIndex++;
+        }
+
+        String res = result.toString().replaceAll("^零+|零+$", "").replaceAll("零{2,}", "零");
+        return res.isEmpty() ? "零" : res;
+    }
+
+    /**
+     * 转换单个四位数
+     */
+    private static String convertSection(BigDecimal section, String[] digits, String[] units) {
+        StringBuilder result = new StringBuilder();
+        boolean zeroNeeded = false;
+        String numStr = String.format("%04d", section.intValue()); // 格式化为4位字符串，不足补0
+
+        for (int i = 0; i < 4; i++) {
+            int digit = Character.getNumericValue(numStr.charAt(i));
+            int power = 3 - i; // 仟、佰、拾、个
+            if (digit != 0) {
+                if (zeroNeeded) {
+                    result.append(digits[0]);
+                    zeroNeeded = false;
+                }
+                result.append(digits[digit]).append(units[power]);
+            } else {
+                if (result.length() > 0 && power < 3) {
+                    zeroNeeded = true;
+                }
+            }
+        }
+        return result.toString();
+    }
+
+    /**
+     * 转换小数部分
+     */
+    private static String convertDecimal(BigDecimal dec, String[] digits) {
+        if (dec.compareTo(BigDecimal.ZERO) == 0) return "";
+        int jiao = dec.divide(new BigDecimal("10"), 0, BigDecimal.ROUND_DOWN).intValue();
+        int fen = dec.remainder(new BigDecimal("10")).intValue();
+        StringBuilder result = new StringBuilder();
+        if (jiao > 0) {
+            result.append(digits[jiao]).append("角");
+        }
+        if (fen > 0) {
+            result.append(digits[fen]).append("分");
+        }
+        return result.toString();
+    }
+
     @Mapping("com.awspaas.user.apps.donenow_ctt.getAllPaymentAmounts")
     public ResponseObject getAllPaymentAmounts(UserContext uc) throws SQLException {
         Connection conn = null;