gowshwah
2026-03-14 e1e8b541db6aef5aaeb3cdf6a81e23a942b47a2c
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
@@ -19,7 +19,7 @@
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.RegExUtils;
import org.apache.commons.lang3.reflect.FieldUtils;
@@ -78,6 +78,11 @@
    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
    public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
    /**
     * 单元格样式缓存
     */
    private Map<String, CellStyle> cellStyleCache = new HashMap<String, CellStyle>();
    /**
     * Excel sheet最大行数,默认65536
@@ -147,12 +152,12 @@
    /**
     * 对象的子列表方法
     */
    private Map<String, Method> subMethods = new HashMap<>();
    private Map<String, Method> subMethods;
    /**
     * 对象的子列表属性
     */
    private Map<String, List<Field>> subFieldsMap = new HashMap<>();
    private Map<String, List<Field>> subFieldsMap;
    /**
     * 统计列表
@@ -225,7 +230,10 @@
            int titleLastCol = this.fields.size() - 1;
            if (isSubList())
            {
                titleLastCol = titleLastCol + subFieldsMap.values().size() - 1;
                for (List<Field> currentSubFields : subFieldsMap.values())
                {
                    titleLastCol = titleLastCol + currentSubFields.size() - 1;
                }
            }
            Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
            titleRow.setHeightInPoints(30);
@@ -379,7 +387,7 @@
                    Object val = this.getCellValue(row, entry.getKey());
                    // 如果不存在实例则新建.
                    entity = (entity == null ? clazz.newInstance() : entity);
                    entity = (entity == null ? clazz.getDeclaredConstructor().newInstance() : entity);
                    // 从map中得到对应列的field.
                    Field field = (Field) entry.getValue()[0];
                    Excel attr = (Excel) entry.getValue()[1];
@@ -587,7 +595,6 @@
     * 填充excel数据
     * 
     * @param index 序号
     * @param row 单元格行
     */
    @SuppressWarnings("unchecked")
    public void fillExcelData(int index)
@@ -611,10 +618,10 @@
                    try
                    {
                        Collection<?> subList = (Collection<?>) getTargetValue(vo, field, excel);
                        List<Field> currentSubFields = subFieldsMap.get(field.getName());
                        if (subList != null && !subList.isEmpty())
                        {
                            int subIndex = 0;
                            List<Field> currentSubFields = subFieldsMap.get(field.getName());
                            for (Object subVo : subList)
                            {
                                Row subRow = sheet.getRow(currentRowNum + subIndex);
@@ -631,8 +638,8 @@
                                }
                                subIndex++;
                            }
                            column += currentSubFields.size();
                        }
                        column += currentSubFields.size();
                    }
                    catch (Exception e)
                    {
@@ -973,6 +980,7 @@
    /**
     * 添加单元格
     */
    @SuppressWarnings("deprecation")
    public Cell addCell(Excel attr, Row row, T vo, Field field, int column)
    {
        Cell cell = null;
@@ -1001,7 +1009,7 @@
                String separator = attr.separator();
                if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
                {
                    cell.getCellStyle().setDataFormat(this.wb.getCreationHelper().createDataFormat().getFormat(dateFormat));
                    cell.setCellStyle(createCellStyle(cell.getCellStyle(), dateFormat));
                    cell.setCellValue(parseDateToStr(dateFormat, value));
                }
                else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
@@ -1029,6 +1037,28 @@
            log.error("导出Excel失败{}", e);
        }
        return cell;
    }
    /**
     * 使用自定义格式,同时避免样式污染
     *
     * @param cellStyle 从此样式复制
     * @param format 格式匹配的字符串
     * @return 格式化后CellStyle对象
     */
    private CellStyle createCellStyle(CellStyle cellStyle, String format)
    {
        String key = cellStyle.getIndex() + "|" + format;
        CellStyle cached = cellStyleCache.get(key);
        if (cached != null)
        {
            return cached;
        }
        CellStyle style = wb.createCellStyle();
        style.cloneStyleFrom(cellStyle);
        style.setDataFormat(wb.getCreationHelper().createDataFormat().getFormat(format));
        cellStyleCache.put(key, style);
        return style;
    }
    /**
@@ -1223,7 +1253,7 @@
    {
        try
        {
            Object instance = excel.handler().newInstance();
            Object instance = excel.handler().getDeclaredConstructor().newInstance();
            Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class, Cell.class, Workbook.class });
            value = formatMethod.invoke(instance, value, excel.args(), cell, this.wb);
        }
@@ -1349,6 +1379,8 @@
    {
        List<Object[]> fields = new ArrayList<Object[]>();
        List<Field> tempFields = new ArrayList<>();
        subFieldsMap = new HashMap<>();
        subMethods = new HashMap<>();
        tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
        tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
        if (StringUtils.isNotEmpty(includeFields))