订货单：打印模板修改

@@ -419,7 +419,7 @@ public class PurchaseOrderInfoController extends DefaultBaseController {
 
                             String latex = LatexFormulaExcelExporterUtil.convertToContractSpecLatexSingleLineFixed3(formulaComponentList);
                             if (StringUtils.isNotBlank(latex)) {
-                                LatexFormulaExcelExporterUtil.insertLatexImageToCell(workbook, sheet, latex, startRow, 4, 1, 7);
+                                LatexFormulaExcelExporterUtil.insertLatexImageToCellLeftAligned(workbook, sheet, latex, startRow, 4, 1, 7);
                             }
 
                             setCellValue(sheet, startRow, 11, currentOrderLine.getStatus());
@@ -491,6 +491,7 @@ public class PurchaseOrderInfoController extends DefaultBaseController {
 
                     if ("PDF".equals(exportType)) {
                         ExcelUtil.adjustVerticalTitleForPdf(workbook, sheet, "具体质量要求", true);
+                        ExcelUtil.adjustVerticalTitleForPdf(workbook, sheet, "备注", true);
                         ExcelUtil.adjustVerticalTitleForPdf(workbook, sheet, "生产工艺", false);
                         ResponseUtil.setPDFResponseHead(response, data.getOrderNo() + "-"
                                 + data.getOrderingUnitName() + "-" + data.getWorkshopName() + "-订货单打印.pdf");

@@ -281,6 +281,7 @@ public class BusinessDataExportHandler implements ExportHandler {
                     String createTime = orderInfo.getCreateTime().format(dateTimeFormatter);
                     if ("PDF".equals(queryVo.getExportFileType())) {
                         ExcelUtil.adjustVerticalTitleForPdf(workbook, sheet, "具体质量要求", true);
+                        ExcelUtil.adjustVerticalTitleForPdf(workbook, sheet, "备注", true);
                         ExcelUtil.adjustVerticalTitleForPdf(workbook, sheet, "生产工艺", false);
                         // 输出PDF
                         File tempExcel = File.createTempFile("purchase_order_" + orderInfo.getOrderNo(), ".xlsx");

@@ -292,17 +292,6 @@ public class ExcelUtil {
 
                 cell.setCellValue(buildVerticalText(text));
 
-                CellStyle baseStyle = cell.getCellStyle();
-                CellStyle pdfStyle = workbook.createCellStyle();
-                if (baseStyle != null) {
-                    pdfStyle.cloneStyleFrom(baseStyle);
-                }
-                pdfStyle.setAlignment(HorizontalAlignment.CENTER);
-                pdfStyle.setVerticalAlignment(VerticalAlignment.CENTER);
-                pdfStyle.setWrapText(true);
-                pdfStyle.setRotation((short) 0);
-                pdfStyle.setIndention((short) 0);
-
                 if (mergedCell) {
                     CellRangeAddress mergedRegion = findMergedRegion(sheet, cell.getRowIndex(), cell.getColumnIndex());
                     if (mergedRegion != null) {
@@ -316,20 +305,36 @@ public class ExcelUtil {
                                 if (currentCell == null) {
                                     currentCell = currentRow.createCell(c);
                                 }
-                                currentCell.setCellStyle(pdfStyle);
+                                currentCell.setCellStyle(buildPdfVerticalTitleStyle(workbook, currentCell.getCellStyle()));
                             }
                         }
                     } else {
-                        cell.setCellStyle(pdfStyle);
+                        cell.setCellStyle(buildPdfVerticalTitleStyle(workbook, cell.getCellStyle()));
                     }
                 } else {
-                    cell.setCellStyle(pdfStyle);
+                    cell.setCellStyle(buildPdfVerticalTitleStyle(workbook, cell.getCellStyle()));
                 }
                 return;
             }
         }
     }
 
+    /**
+     * 构建 PDF 竖排标题样式，保留原单元格边框等样式，只覆盖对齐和换行属性。
+     */
+    private static CellStyle buildPdfVerticalTitleStyle(Workbook workbook, CellStyle baseStyle) {
+        CellStyle pdfStyle = workbook.createCellStyle();
+        if (baseStyle != null) {
+            pdfStyle.cloneStyleFrom(baseStyle);
+        }
+        pdfStyle.setAlignment(HorizontalAlignment.CENTER);
+        pdfStyle.setVerticalAlignment(VerticalAlignment.CENTER);
+        pdfStyle.setWrapText(true);
+        pdfStyle.setRotation((short) 0);
+        pdfStyle.setIndention((short) 0);
+        return pdfStyle;
+    }
+
     private static String buildVerticalText(String text) {
         StringBuilder builder = new StringBuilder();
         for (int i = 0; i < text.length(); i++) {

@@ -319,6 +319,14 @@ public class LatexFormulaExcelExporterUtil {
     }
 
     /**
+     * 将 LaTeX 公式作为图片左对齐插入到指定单元格区域内，并确保图片不会超出区域边界。
+     */
+    public static void insertLatexImageToCellLeftAligned(Workbook workbook, Sheet sheet, String latex,
+                                                         int rowIndex, int colIndex, int rowRange, int colRange) throws IOException {
+        insertLatexImageToRegionLeftAligned(workbook, sheet, latex, rowIndex, colIndex, rowRange, colRange, 16, null);
+    }
+
+    /**
      * 合同规格专用：按照模板单元格区域高度优先铺满，并根据区域大小动态选择更合适的渲染字号。
      */
     public static void insertContractLatexImageToCellFillTemplate(Workbook workbook, Sheet sheet, String latex,
@@ -562,6 +570,103 @@ public class LatexFormulaExcelExporterUtil {
         drawing.createPicture(anchor, pictureIdx);
     }
 
+    /**
+     * 将 LaTeX 公式作为图片左对齐插入到指定区域，并保留左右留白避免压线。
+     */
+    private static void insertLatexImageToRegionLeftAligned(Workbook workbook, Sheet sheet, String latex,
+                                                            int rowIndex, int colIndex, int rowRange, int colRange,
+                                                            int fontSize, Double maxScale) throws IOException {
+        byte[] imageBytes = latexToImageBytes(latex, fontSize);
+        BufferedImage image;
+        try (ByteArrayInputStream in = new ByteArrayInputStream(imageBytes)) {
+            image = ImageIO.read(in);
+        }
+
+        if (image == null) {
+            return;
+        }
+
+        int regionWidthPx = 0;
+        for (int c = colIndex; c < colIndex + colRange; c++) {
+            regionWidthPx += getColumnWidthPx(sheet, c);
+        }
+        int regionHeightPx = 0;
+        for (int r = rowIndex; r < rowIndex + rowRange; r++) {
+            regionHeightPx += getRowHeightPx(sheet, r);
+        }
+
+        int paddingXPx = 6;
+        int paddingYPx = 2;
+        double scale = Math.min(
+                (double) (regionWidthPx - paddingXPx * 2) / Math.max(1, image.getWidth()),
+                (double) (regionHeightPx - paddingYPx * 2) / Math.max(1, image.getHeight())
+        );
+        scale = Math.min(scale, 1.0);
+        if (maxScale != null) {
+            scale = Math.min(scale, maxScale);
+        }
+
+        int scaledWidthPx = Math.max(1, (int) Math.round(image.getWidth() * scale));
+        int scaledHeightPx = Math.max(1, (int) Math.round(image.getHeight() * scale));
+
+        int offsetXPx = paddingXPx;
+        int offsetYPx = Math.max(paddingYPx, (regionHeightPx - scaledHeightPx) / 2);
+
+        int pictureIdx = workbook.addPicture(imageBytes, Workbook.PICTURE_TYPE_PNG);
+        Drawing<?> drawing = sheet.createDrawingPatriarch();
+
+        ClientAnchor anchor = workbook.getCreationHelper().createClientAnchor();
+        anchor.setAnchorType(ClientAnchor.AnchorType.MOVE_DONT_RESIZE);
+
+        AnchorCoord x1 = resolveAnchorX(sheet, colIndex, colRange, offsetXPx);
+        AnchorCoord x2 = resolveAnchorX(sheet, colIndex, colRange, offsetXPx + scaledWidthPx);
+        AnchorCoord y1 = resolveAnchorY(sheet, rowIndex, rowRange, offsetYPx);
+        AnchorCoord y2 = resolveAnchorY(sheet, rowIndex, rowRange, offsetYPx + scaledHeightPx);
+
+        anchor.setCol1(x1.index);
+        anchor.setCol2(x2.index);
+        anchor.setRow1(y1.index);
+        anchor.setRow2(y2.index);
+
+        if (anchor instanceof org.apache.poi.hssf.usermodel.HSSFClientAnchor) {
+            int dx1 = pxToHssfDx(sheet, x1.index, x1.offsetPx);
+            int dx2 = pxToHssfDx(sheet, x2.index, x2.offsetPx);
+            int dy1 = pxToHssfDy(sheet, y1.index, y1.offsetPx);
+            int dy2 = pxToHssfDy(sheet, y2.index, y2.offsetPx);
+
+            if (x2.index == x1.index && dx2 <= dx1) {
+                dx2 = Math.min(1023, dx1 + 1);
+            }
+            if (y2.index == y1.index && dy2 <= dy1) {
+                dy2 = Math.min(255, dy1 + 1);
+            }
+
+            anchor.setDx1(dx1);
+            anchor.setDx2(dx2);
+            anchor.setDy1(dy1);
+            anchor.setDy2(dy2);
+        } else {
+            int dx1 = x1.offsetPx * EMU_PER_PX;
+            int dx2 = x2.offsetPx * EMU_PER_PX;
+            int dy1 = y1.offsetPx * EMU_PER_PX;
+            int dy2 = y2.offsetPx * EMU_PER_PX;
+
+            if (x2.index == x1.index && dx2 <= dx1) {
+                dx2 = dx1 + 1;
+            }
+            if (y2.index == y1.index && dy2 <= dy1) {
+                dy2 = dy1 + 1;
+            }
+
+            anchor.setDx1(dx1);
+            anchor.setDx2(dx2);
+            anchor.setDy1(dy1);
+            anchor.setDy2(dy2);
+        }
+
+        drawing.createPicture(anchor, pictureIdx);
+    }
+
     private static void insertContractLatexImageToRegionFillTemplate(Workbook workbook, Sheet sheet, String latex,
                                                                      int rowIndex, int colIndex, int rowRange, int colRange,
                                                                      int baseFontSize, Double maxScale) throws IOException {