fei
2 天以前 5d91a329768a2a86e01e4b9b6bc6a2b939b87adb
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtilManySheetThird.java
@@ -287,11 +287,11 @@
                int column = 0;
                if(index == 0) {
                    // 合并第一行的前5个单元格
                    sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 7));
                    sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 6));
                    // 创建行并设置高度
                     row = sheet.createRow(0);
                    row.setHeight((short)(40 * 40));
                    row.setHeight((short)(20 * 20));
                  //  sheet.addMergedRegion(new CellRangeAddress(1, 1, 0, 7));
@@ -301,6 +301,8 @@
                    CellStyle style = wb.createCellStyle();
                    Font font = wb.createFont();
                    font.setBold(true);
                    font.setFontHeightInPoints((short) 12);
                    font.setFontName("宋体");
                    style.setFont(font);
                    style.setAlignment(HorizontalAlignment.CENTER);
@@ -308,6 +310,7 @@
                    row = sheet.createRow(1);
               //
                    row.createCell(0).setCellValue("ISO编号:");
                    row.createCell(1).setCellValue(list.get(0).getIos5());
                 //   row.createCell(4).setCellValue("档号:");
                    //拿到档号
                    row.createCell(5).setCellValue("");
@@ -469,21 +472,35 @@
        style.setFont(dataFont);
        styles.put("data", style);
        style = wb.createCellStyle();
        style.cloneStyleFrom(styles.get("data"));
        style.setAlignment(HorizontalAlignment.CENTER);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        // 设置单元格内容自动换行
        style.setWrapText(true);
        style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        Font headerFont = wb.createFont();
        headerFont.setFontName("Arial");
        headerFont.setFontHeightInPoints((short) 10);
        headerFont.setBold(true);
        headerFont.setColor(IndexedColors.WHITE.getIndex());
        style.setFont(headerFont);
        styles.put("header", style);
        // 创建表头样式映射,根据Excel注解动态生成
        Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
        for (Object[] os : fields)
        {
            Excel excel = (Excel) os[1];
            String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
            if (!headerStyles.containsKey(key))
            {
                 style = wb.createCellStyle();
                style.cloneStyleFrom(styles.get("data"));
                style.setAlignment(HorizontalAlignment.CENTER);
                style.setVerticalAlignment(VerticalAlignment.CENTER);
                // 设置单元格内容自动换行
                style.setWrapText(true);
                // 根据注解设置表头背景色 - 已注释,表头不显示背景色
                /*if (excel.headerBackgroundColor() != IndexedColors.WHITE) {
                    style.setFillForegroundColor(excel.headerBackgroundColor().index);
                    style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
                }*/
                Font headerFont = wb.createFont();
                headerFont.setFontName("Arial");
                headerFont.setFontHeightInPoints((short) 10);
                headerFont.setBold(false);
                headerFont.setColor(excel.headerColor().index);
                style.setFont(headerFont);
                headerStyles.put(key, style);
            }
        }
        styles.putAll(headerStyles);
        style = wb.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);
@@ -529,7 +546,9 @@
        // 写入列信息
        cell.setCellValue(attr.name());
        setDataValidation(attr, row, column);
        cell.setCellStyle(styles.get("header"));
        // 根据Excel注解动态选择表头样式
        String key = StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor());
        cell.setCellStyle(styles.get(key));
        return cell;
    }
@@ -609,7 +628,7 @@
        Cell cell = null;
        try {
            // 设置行高为自动调整
            row.setHeight((short) -1);
           // row.setHeight((short) -1);
            // 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
            if (attr.isExport()) {
                // 创建cell
@@ -624,7 +643,13 @@
                } else if (align == HorizontalAlignment.RIGHT) {
                    styleKey = "data3";
                }
                cell.setCellStyle(styles.get(styleKey));
                // 获取并修改样式
                CellStyle style = styles.get(styleKey);
                Workbook workbook = row.getSheet().getWorkbook();
                CellStyle newStyle = workbook.createCellStyle();
                newStyle.cloneStyleFrom(style);
                newStyle.setWrapText(true); // 关键:启用自动换行
                cell.setCellStyle(newStyle);
                // 用于读取对象中的属性
                Object value = getTargetValue(vo, field, attr);
@@ -641,6 +666,8 @@
                    // 设置列类型
                    setCellVo(value, attr, cell);
                }
                adjustRowHeightAfterSetValue(row, cell, value);
                addStatisticsData(column, Convert.toStr(value), attr);
            }
        } catch (Exception e) {
@@ -648,7 +675,65 @@
        }
        return cell;
    }
    /**
     * 设置值后调整行高
     */
    private void adjustRowHeightAfterSetValue(Row row, Cell cell, Object value) {
        if (value == null) return;
        String text = value.toString();
        Sheet sheet = row.getSheet();
        // 1. 计算自动高度(基于内容)
        short autoHeight = calculateSimpleAutoHeight(text, cell);
        // 2. 获取当前行高
        short currentHeight = row.getHeight();
        if (currentHeight == -1) {
            currentHeight = sheet.getDefaultRowHeight();
        }
        // 3. 使用较大的高度(自动计算的高度或当前高度)
        short baseHeight = (short) Math.max(currentHeight, autoHeight);
        System.out.println(baseHeight+"aaaaaaaaatttttttt");
        // 4. 在基础上增加额外高度(100单位 = 5点)
        short extraHeight = 80;
        short newHeight = (short) (baseHeight + extraHeight);
        // 5. 限制最大高度
        short maxHeight = (short) 4000; // 100点
        row.setHeight((short) Math.min(maxHeight,newHeight));
    }
    /**
     * 简化的自动高度计算
     */
    private short calculateSimpleAutoHeight(String text, Cell cell) {
        if (text == null || text.isEmpty()) return 0;
        Sheet sheet = cell.getSheet();
        int colIndex = cell.getColumnIndex();
        // 获取列宽(字符数)
        int colWidthChars = sheet.getColumnWidth(colIndex) / 256;
        if (colWidthChars <= 0) colWidthChars = 10;
        // 计算文本行数
        int lines = 1;
        if (text.contains("\n")) {
            // 有显式换行
            String[] parts = text.split("\n");
            for (String part : parts) {
                lines += Math.max(1, (int) Math.ceil(part.length() * 1.5 / colWidthChars));
            }
        } else {
            // 自动换行
            lines = (int) Math.ceil(text.length() * 1.5 / colWidthChars);
        }
        // 每行高度:假设18点(360 POI单位)
        return (short) (lines * 360);
    }
    /**
     * 设置 POI HSSFSheet 单元格提示
     *