保费到期提醒4

yd-csf-service/src/main/java/com/yd/csf/service/component/RenewalPolicyReportService.java

+package com.yd.csf.service.component;
+
+import com.alibaba.excel.EasyExcel;
+import com.yd.csf.service.dto.RenewalDuePolicy;
+import com.yd.csf.service.dto.RenewalReminderData;
+import com.yd.csf.service.model.PolicyFollow;
+import com.yd.csf.service.vo.RenewalPolicyExportDTO;
+import org.apache.commons.collections4.CollectionUtils;
+import org.springframework.stereotype.Component;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * 续期保单清单 Excel 生成（30 列，对齐 policy报表模版.xlsx）
+ */
+@Component
+public class RenewalPolicyReportService {
+
+    private static final String FILE_NAME_PATTERN = "续期保单清单_%s-%s_%s.xlsx";
+    private static final DateTimeFormatter MONTH_FMT = DateTimeFormatter.ofPattern("yyyyMM");
+    private static final DateTimeFormatter DAY_FMT = DateTimeFormatter.ofPattern("yyyyMMdd");
+
+    /**
+     * 生成清单文件字节
+     */
+    public byte[] generate(RenewalReminderData data) {
+        List<RenewalPolicyExportDTO> rows = toRows(data);
+        try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
+            EasyExcel.write(out, RenewalPolicyExportDTO.class)
+                    .sheet("续期保单")
+                    .doWrite(rows);
+            return out.toByteArray();
+        } catch (IOException e) {
+            throw new RuntimeException("生成续期保单清单失败", e);
+        }
+    }
+
+    /**
+     * 文件名：续期保单清单_&lt;窗口首月&gt;-&lt;窗口末月&gt;_&lt;生成日&gt;.xlsx
+     */
+    public String buildFileName(RenewalReminderData data, LocalDate today) {
+        return String.format(FILE_NAME_PATTERN,
+                data.getWindowStart().format(MONTH_FMT),
+                data.getWindowEnd().format(MONTH_FMT),
+                today.format(DAY_FMT));
+    }
+
+    private List<RenewalPolicyExportDTO> toRows(RenewalReminderData data) {
+        List<RenewalPolicyExportDTO> rows = new ArrayList<>();
+        if (data == null || CollectionUtils.isEmpty(data.getDuePolicies())) {
+            return rows;
+        }
+        for (RenewalDuePolicy item : data.getDuePolicies()) {
+            PolicyFollow p = item.getPolicyFollow();
+            RenewalPolicyExportDTO row = new RenewalPolicyExportDTO();
+            row.setId(p.getId());
+            row.setPolicyNo(p.getPolicyNo());
+            row.setProductName(p.getProductName());
+            row.setPolicyHolder(p.getPolicyHolder());
+            row.setPolicyHolderEn(p.getPolicyHolderEn());
+            row.setInsured(p.getInsured());
+            row.setStatus(p.getStatus());
+            row.setEachIssuePremium(p.getEachIssuePremium());
+            row.setPolicyCurrency(p.getPolicyCurrency());
+            row.setPolicyLevy(p.getPolicyLevy());
+            row.setEffectiveDate(p.getEffectiveDate());
+            row.setSignDate(p.getSignDate());
+            row.setIssueDate(p.getIssueDate());
+            row.setCoolingOffEndDate(p.getCoolingOffEndDate());
+            row.setDueDate(java.sql.Date.valueOf(item.getDueDate()));
+            row.setIssueNumber(Objects.toString(p.getIssueNumber(), null));
+            row.setPaymentFrequency(p.getPaymentFrequency());
+            row.setIsPrepay(p.getIsPrepay());
+            row.setPrepaidTerm(p.getPrepaidTerm());
+            row.setProductCate(p.getProductCate());
+            row.setInsuranceCompany(p.getInsuranceCompany());
+            row.setReconciliationCompany(p.getReconciliationCompany());
+            row.setFirstBroker(p.getFirstBroker());
+            row.setSigner(p.getSigner());
+            row.setPracticeCode(p.getPracticeCode());
+            row.setAppointmentNo(p.getAppointmentNo());
+            row.setSignLocation(p.getSignLocation());
+            rows.add(row);
+        }
+        return rows;
+    }
+}