改单导入邮件里有改动的就红色字体显示，ReadyDate、ShippingMode、Destination也能通过改单导入修改

src/main/java/com/xujie/sys/modules/ecss/service/impl/CoDelServiceImpl.java

@@ -743,8 +743,24 @@ public class CoDelServiceImpl implements CoDelService {
         } else {
             headerData = notifyHeader.get(0);
         }
+
+        // 保存原始头表数据用于比较
+        EcssCoDelNotifyHeaderData originalHeaderData = new EcssCoDelNotifyHeaderData();
+        originalHeaderData.setReadyDate(headerData.getReadyDate());
+        originalHeaderData.setShippingMode(headerData.getShippingMode());
+        originalHeaderData.setDestination(headerData.getDestination());
+
         List<EcssCoDelNotifyDetailData> dbinData =coDelMapper.searchEcssCoDelNotifyDetail(headerData);
         List<EcssCoDelNotifyDetailData> dbData = new ArrayList<>(dbinData);
+
+        // 更新头表字段（ReadyDate、ShippingMode、Destination）
+        if (!excelList.isEmpty()) {
+            EcssCoDelNotifyData firstExcelData = excelList.get(0);
+            headerData.setReadyDate(firstExcelData.getReadyDate());
+            headerData.setShippingMode(firstExcelData.getShippingMode());
+            headerData.setDestination(firstExcelData.getDestination());
+        }
+
         // 先删除全部明细，再新建明细
         coDelMapper.deleteAllEcssDelDetail(headerData);
         for (int i = 0; i < excelList.size(); i++) {
@@ -753,51 +769,142 @@ public class CoDelServiceImpl implements CoDelService {
         }
         coDelMapper.batchSaveEcssCoDelNotifyDetail(excelList);
         headerData.setModifyFlag(true);
-        coDelMapper.updateEcssDelHeaderForModify(headerData);
+        // 更新头表字段，包括ReadyDate、ShippingMode、Destination
+        coDelMapper.updateEcssDelHeader(headerData);
         List<EcssCoDelNotifyDetailData> newData =coDelMapper.searchEcssCoDelNotifyDetail(headerData);
+
+        // 构建邮件内容，包含头表字段变更和明细变更
+        StringBuilder emailContent = generateModifyEmailContent(originalHeaderData, headerData, dbData, newData);
+
+        String textHead = headerData.getDelNo()+"【发票："+ headerData.getCmcInvoice()+"】改单";
+        String[] mailAddress = coDelMapper.queryUsersByRoleName("关务仓库",headerData.getSite()).stream().map(SysUserEntity::getEmail).toArray(String[]::new);
+        String[] mailAddress2 = new String[]{coDelMapper.queryByUserName(headerData.getCreateBy()).getEmail()};
+        String[] mailAddressAll = ArrayUtils.addAll(mailAddress, mailAddress2);
+        if (mailAddressAll.length>0) {
+            sendMailUtil(textHead, emailContent.toString(), mailAddressAll, headerData);
+        }
+    }
+
+    /**
+     * 生成改单邮件内容，包含头表字段变更和明细变更
+     */
+    private StringBuilder generateModifyEmailContent(EcssCoDelNotifyHeaderData originalHeaderData,
+                                                   EcssCoDelNotifyHeaderData newHeaderData,
+                                                   List<EcssCoDelNotifyDetailData> dbData,
+                                                   List<EcssCoDelNotifyDetailData> newData) {
+        StringBuilder emailContent = new StringBuilder();
+        emailContent.append("<!DOCTYPE><div>发货通知单").append(newHeaderData.getDelNo())
+                   .append("【发票：").append(newHeaderData.getCmcInvoice()).append("】改单</div>");
+
+        // 检查头表字段变更
+        StringBuilder headerChanges = new StringBuilder();
+        boolean hasHeaderChanges = false;
+
+        // 检查ReadyDate变更
+        if (!Objects.equals(originalHeaderData.getReadyDate(), newHeaderData.getReadyDate())) {
+            hasHeaderChanges = true;
+            String originalDate = originalHeaderData.getReadyDate() != null ?
+                DateUtils.format(originalHeaderData.getReadyDate(), "yyyy-MM-dd") : "无";
+            String newDate = newHeaderData.getReadyDate() != null ?
+                DateUtils.format(newHeaderData.getReadyDate(), "yyyy-MM-dd") : "无";
+            headerChanges.append("<li style='margin-top: 10px'>Ready Date: ")
+                        .append(originalDate).append(" → <span style='color:red'>").append(newDate).append("</span></li>");
+        }
+
+        // 检查ShippingMode变更
+        if (!Objects.equals(originalHeaderData.getShippingMode(), newHeaderData.getShippingMode())) {
+            hasHeaderChanges = true;
+            String originalMode = originalHeaderData.getShippingMode() != null ? originalHeaderData.getShippingMode() : "无";
+            String newMode = newHeaderData.getShippingMode() != null ? newHeaderData.getShippingMode() : "无";
+            headerChanges.append("<li style='margin-top: 10px'>Shipping Mode: ")
+                        .append(originalMode).append(" → <span style='color:red'>").append(newMode).append("</span></li>");
+        }
+
+        // 检查Destination变更
+        if (!Objects.equals(originalHeaderData.getDestination(), newHeaderData.getDestination())) {
+            hasHeaderChanges = true;
+            String originalDest = originalHeaderData.getDestination() != null ? originalHeaderData.getDestination() : "无";
+            String newDest = newHeaderData.getDestination() != null ? newHeaderData.getDestination() : "无";
+            headerChanges.append("<li style='margin-top: 10px'>Destination: ")
+                        .append(originalDest).append(" → <span style='color:red'>").append(newDest).append("</span></li>");
+        }
+
+        // 如果有头表字段变更，添加到邮件内容
+        if (hasHeaderChanges) {
+            emailContent.append("<div><span style='color:blue'>头表字段变更</span></div>")
+                       .append("<div><ol>").append(headerChanges).append("</ol></div>");
+        }
+
+        // 处理明细变更
         Map<String, List<EcssCoDelNotifyDetailData>> dbMap = dbData.stream().collect(Collectors.groupingBy(EcssCoDelNotifyDetail::getPn));
         Map<String, List<EcssCoDelNotifyDetailData>> newMap = newData.stream().collect(Collectors.groupingBy(EcssCoDelNotifyDetail::getPn));
-        StringBuilder s = new StringBuilder();
-        s.append("<ol>");
+
+        // 构建原数据明细
+        StringBuilder originalDetails = new StringBuilder();
+        originalDetails.append("<ol>");
         for (EcssCoDelNotifyDetailData detail : dbData) {
             if (!newMap.containsKey(detail.getPn())) {
-                s.append("<li style='margin-top: 10px;color:red'>").append("PN:").append(detail.getPn()).append(" 数量：").
-                        append(detail.getQty().setScale(0, RoundingMode.HALF_UP)).append("</li>");
+                // 删除的项目用红色显示
+                originalDetails.append("<li style='margin-top: 10px;color:red'>")
+                              .append("PN:").append(detail.getPn()).append(" 数量：")
+                              .append(detail.getQty().setScale(0, RoundingMode.HALF_UP))
+                              .append(" [已删除]</li>");
+            } else {
+                // 检查数量是否有变更
+                EcssCoDelNotifyDetailData newDetail = newMap.get(detail.getPn()).get(0);
+                if (!detail.getQty().equals(newDetail.getQty())) {
+                    // 数量有变更，用红色显示
+                    originalDetails.append("<li style='margin-top: 10px'>")
+                                  .append("PN:").append(detail.getPn()).append(" 数量：<span style='color:red'>")
+                                  .append(detail.getQty().setScale(0, RoundingMode.HALF_UP))
+                                  .append("</span></li>");
                 } else {
-                s.append("<li style='margin-top: 10px'>").append("PN:").append(detail.getPn()).append(" 数量：").
-                        append(detail.getQty().setScale(0, RoundingMode.HALF_UP)).append("</li>");
+                    // 无变更
+                    originalDetails.append("<li style='margin-top: 10px'>")
+                                  .append("PN:").append(detail.getPn()).append(" 数量：")
+                                  .append(detail.getQty().setScale(0, RoundingMode.HALF_UP))
+                                  .append("</li>");
                 }
             }
-        s.append("</ol>");
-        // 改单 通知仓库和单证人员
-        //设置邮件内容
-        StringBuilder sNew = new StringBuilder();
-        sNew.append("<ol>");
+        }
+        originalDetails.append("</ol>");
+
+        // 构建新数据明细
+        StringBuilder newDetails = new StringBuilder();
+        newDetails.append("<ol>");
         for (EcssCoDelNotifyDetailData detail : newData) {
             if (!dbMap.containsKey(detail.getPn())) {
-                sNew.append("<li style='margin-top: 10px;color:red'>").append("PN:").append(detail.getPn()).append(" 数量：").
-                        append(detail.getQty().setScale(0, RoundingMode.HALF_UP)).append("</li>");
+                // 新增的项目用红色显示
+                newDetails.append("<li style='margin-top: 10px;color:red'>")
+                          .append("PN:").append(detail.getPn()).append(" 数量：")
+                          .append(detail.getQty().setScale(0, RoundingMode.HALF_UP))
+                          .append(" [新增]</li>");
+            } else {
+                // 检查数量是否有变更
+                EcssCoDelNotifyDetailData originalDetail = dbMap.get(detail.getPn()).get(0);
+                if (!detail.getQty().equals(originalDetail.getQty())) {
+                    // 数量有变更，用红色显示
+                    newDetails.append("<li style='margin-top: 10px'>")
+                              .append("PN:").append(detail.getPn()).append(" 数量：<span style='color:red'>")
+                              .append(detail.getQty().setScale(0, RoundingMode.HALF_UP))
+                              .append("</span></li>");
                 } else {
-                sNew.append("<li style='margin-top: 10px'>").append("PN:").append(detail.getPn()).append(" 数量：").
-                        append(detail.getQty().setScale(0, RoundingMode.HALF_UP)).append("</li>");
+                    // 无变更
+                    newDetails.append("<li style='margin-top: 10px'>")
+                              .append("PN:").append(detail.getPn()).append(" 数量：")
+                              .append(detail.getQty().setScale(0, RoundingMode.HALF_UP))
+                              .append("</li>");
                 }
             }
-        sNew.append("</ol>");
-        //设置邮件内容
-        String oldText = "<!DOCTYPE>" + "<div>" + "<span style='color:blue'>原数据</span>"
-                + "</div>" + "<div>" + s + "</div>";
-        String newText = "<!DOCTYPE>" + "<div>" + "<span style='color:blue'>新数据</span>"
-                + "</div>" + "<div>" + sNew + "</div>";
-        String text = "<!DOCTYPE>" + "<div>发货通知单" +headerData.getDelNo()+
-                "【发票："+ headerData.getCmcInvoice()+"】改单"
-                + "</div>"+ oldText+newText;
-        String textHead = headerData.getDelNo()+"【发票："+ headerData.getCmcInvoice()+"】改单";
-        String[] mailAddress = coDelMapper.queryUsersByRoleName("关务仓库",headerData.getSite()).stream().map(SysUserEntity::getEmail).toArray(String[]::new);
-        String[] mailAddress2 = new String[]{coDelMapper.queryByUserName(headerData.getCreateBy()).getEmail()};
-        String[] mailAddressAll = ArrayUtils.addAll(mailAddress, mailAddress2);
-        if (mailAddressAll.length>0) {
-            sendMailUtil(textHead, text,mailAddressAll, headerData);
         }
+        newDetails.append("</ol>");
+
+        // 添加明细变更到邮件内容
+        String oldText = "<div><span style='color:blue'>原数据</span></div><div>" + originalDetails + "</div>";
+        String newText = "<div><span style='color:blue'>新数据</span></div><div>" + newDetails + "</div>";
+        emailContent.append(oldText).append(newText);
+
+        return emailContent;
     }
 
     @Override