订货单：改成导出pdf+excel

@@ -26,7 +26,9 @@ import com.lframework.xingyun.sc.handlers.TransactorHandler;
 import com.lframework.xingyun.sc.service.contract.ContractDistributorStandardService;
 import com.lframework.xingyun.sc.service.order.PurchaseOrderInfoService;
 import com.lframework.xingyun.sc.service.order.PurchaseOrderLineService;
+import com.lframework.xingyun.sc.utils.ExcelUtil;
 import com.lframework.xingyun.sc.utils.LatexFormulaExcelExporterUtil;
+import com.lframework.xingyun.sc.utils.ResponseUtil;
 import com.lframework.xingyun.sc.vo.order.CreatePurchaseOrderInfoVo;
 import com.lframework.xingyun.sc.vo.order.QueryPurchaseOrderInfoVo;
 import com.lframework.xingyun.sc.vo.order.QueryPurchaseOrderLineVo;
@@ -355,16 +357,13 @@ public class PurchaseOrderInfoController extends DefaultBaseController {
 
     @ApiOperation("订货单打印")
     @GetMapping("/printPurchaseOrder")
-    public void printPurchaseOrder(@NotBlank(message = "id不能为空") String id, HttpServletResponse response) throws IOException {
+    public void printPurchaseOrder(@NotBlank(message = "id不能为空") String id, String exportType, HttpServletResponse response) throws IOException {
         PurchaseOrderInfo data = purchaseOrderInfoService.findById(id);
 
         Wrapper<PurchaseOrderLine> purchaseOrderLineWrapper = Wrappers.lambdaQuery(PurchaseOrderLine.class)
                 .eq(PurchaseOrderLine::getPurchaseOrderId, id);
         List<PurchaseOrderLine> purchaseOrderLineList = purchaseOrderLineService.list(purchaseOrderLineWrapper);
 
-        File tempExcel = null;
-        File pdfFile = null;
-
         try {
             // 加载模板文件
             ClassPathResource templateResource = new ClassPathResource("templates/purchaseOrderTemplate.xlsx");
@@ -466,51 +465,53 @@ public class PurchaseOrderInfoController extends DefaultBaseController {
 
                     processTemplate(workbook, dataMap);
 
-                    // === 4. 写入临时 .xlsx 文件 ===
-                    tempExcel = File.createTempFile("purchase_order_" + data.getOrderNo(), ".xlsx");
-                    try (FileOutputStream fos = new FileOutputStream(tempExcel)) {
-                        workbook.write(fos);
+                    if ("PDF".equals(exportType)) {
+                        ResponseUtil.setPDFResponseHead(response, data.getOrderNo() + "-订货单打印.pdf");
+
+                        // === 写入临时 .xlsx 文件 ===
+                        File tempExcel = File.createTempFile("purchase_order_" + data.getOrderNo(), ".xlsx");
+                        try (FileOutputStream fos = new FileOutputStream(tempExcel)) {
+                            workbook.write(fos);
+                        }
+
+                        // === 调用 LibreOffice 转 PDF ===
+                        File pdfFile = ExcelUtil.convertExcelToPdf(tempExcel, "/usr/bin/libreoffice --headless --convert-to pdf --outdir %s %s");
+
+                        // === 输出 PDF 到浏览器 ===
+                        try (InputStream pdfIn = new FileInputStream(pdfFile)) {
+                            byte[] buffer = new byte[8192];
+                            int len;
+                            while ((len = pdfIn.read(buffer)) != -1) {
+                                response.getOutputStream().write(buffer, 0, len);
+                            }
+                            response.getOutputStream().flush();
+                        } finally {
+                            if (tempExcel != null && tempExcel.exists()) {
+                                Files.delete(tempExcel.toPath());
+                            }
+                            if (pdfFile != null && pdfFile.exists()) {
+                                Files.delete(pdfFile.toPath());
+                            }
+                        }
+                    } else {
+                        ResponseUtil.setExcelResponseHead(response, data.getOrderNo() + "-订货单打印.xlsx");
+                        // 写入响应流
+                        workbook.write(response.getOutputStream());
+                        response.getOutputStream().flush();
                     }
 
                 } finally {
                     IOUtils.closeQuietly(workbook);
                 }
-            }
 
-            // === 5. 调用 LibreOffice 转 PDF ===
-            pdfFile = convertExcelToPdf(tempExcel);
-
-            // === 6. 设置 PDF 响应头 ===
-            String fileName = data.getOrderNo() + "-订货单打印.pdf";
-            String encodedFileName;
-            try {
-                encodedFileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20");
-            } catch (UnsupportedEncodingException e) {
-                // UTF-8 是标准编码，理论上不会抛出，但 Java 8 要求处理
-                throw new RuntimeException("UTF-8 encoding not supported", e);
-            }
-            response.setContentType("application/pdf");
-            response.setCharacterEncoding("UTF-8");
-            response.setHeader("Content-Disposition", "attachment;filename=" + encodedFileName);
-            response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");
-
-            // === 7. 输出 PDF 到浏览器 ===
-            try (InputStream pdfIn = new FileInputStream(pdfFile)) {
-                byte[] buffer = new byte[8192];
-                int len;
-                while ((len = pdfIn.read(buffer)) != -1) {
-                    response.getOutputStream().write(buffer, 0, len);
-                }
-                response.getOutputStream().flush();
+            } catch (FileNotFoundException e) {
+                throw new RuntimeException("模板文件不存在: templates/purchaseOrderTemplate.xlsx", e);
+            } catch (IOException e) {
+                throw new RuntimeException("无法读取模板文件: templates/purchaseOrderTemplate.xlsx", e);
             }
-
         } catch (Exception e) {
-            log.error("订货单导出 PDF 失败: {}", e.getMessage(), e);
-            throw new RuntimeException("订货单导出失败，请联系管理员", e);
-        } finally {
-            // === 8. 清理临时文件 ===
-            deleteQuietly(tempExcel);
-            deleteQuietly(pdfFile);
+            log.error("订货单导出失败: {}", e.getMessage(), e);
+            throw new RuntimeException("订货单导出失败:", e);
         }
     }