支持Excel导出对象的多个子列表

RuoYi

2025-12-04 97f30a5415f49afec635f8afd75408c867c91f9a

 ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java

@@ -28,6 +28,7 @@
import org.apache.poi.ss.usermodel.CellStyle;

import org.apache.poi.ss.usermodel.CellType;

import org.apache.poi.ss.usermodel.ClientAnchor;

import org.apache.poi.ss.usermodel.DataFormat;

import org.apache.poi.ss.usermodel.DataValidation;

import org.apache.poi.ss.usermodel.DataValidationConstraint;

import org.apache.poi.ss.usermodel.DataValidationHelper;

@@ -55,6 +56,7 @@
import com.ruoyi.common.core.annotation.Excel.ColumnType;

import com.ruoyi.common.core.annotation.Excel.Type;

import com.ruoyi.common.core.annotation.Excels;

import com.ruoyi.common.core.exception.UtilException;

import com.ruoyi.common.core.text.Convert;

import com.ruoyi.common.core.utils.DateUtils;

import com.ruoyi.common.core.utils.StringUtils;

@@ -70,6 +72,8 @@
public class ExcelUtil<T>

{

    private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);



    public static final String SEPARATOR = ",";



    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";



@@ -143,12 +147,12 @@
    /**

     * 对象的子列表方法

     */

    private Method subMethod;

    private Map<String, Method> subMethods;



    /**

     * 对象的子列表属性

     */

    private List<Field> subFields;

    private Map<String, List<Field>> subFieldsMap;



    /**

     * 统计列表

@@ -156,14 +160,14 @@
    private Map<Integer, Double> statistics = new HashMap<Integer, Double>();



    /**

     * 数字格式

     */

    private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");



    /**

     * 实体对象

     */

    public Class<T> clazz;



    /**

     * 需要显示列属性

     */

    public String[] includeFields;



    /**

     * 需要排除列属性

@@ -176,10 +180,19 @@
    }



    /**

     * 仅在Excel中显示列属性

     *

     * @param fields 列属性名 示例[单个"name"/多个"id","name"]

     */

    public void showColumn(String... fields)

    {

        this.includeFields = fields;

    }



    /**

     * 隐藏Excel中列属性

     *

     * @param fields 列属性名 示例[单个"name"/多个"id","name"]

     * @throws Exception

     */

    public void hideColumn(String... fields)

    {

@@ -209,19 +222,20 @@
    {

        if (StringUtils.isNotEmpty(title))

        {

            subMergedFirstRowNum++;

            subMergedLastRowNum++;

            int titleLastCol = this.fields.size() - 1;

            if (isSubList())

            {

                titleLastCol = titleLastCol + subFields.size() - 1;

                for (List<Field> currentSubFields : subFieldsMap.values())

                {

                    titleLastCol = titleLastCol + currentSubFields.size() - 1;

                }

            }

            Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);

            titleRow.setHeightInPoints(30);

            Cell titleCell = titleRow.createCell(0);

            titleCell.setCellStyle(styles.get("title"));

            titleCell.setCellValue(title);

            sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), titleLastCol));

            sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), 0, titleLastCol));

        }

    }



@@ -232,23 +246,32 @@
    {

        if (isSubList())

        {

            subMergedFirstRowNum++;

            subMergedLastRowNum++;

            Row subRow = sheet.createRow(rownum);

            int excelNum = 0;

            int column = 0;

            for (Object[] objects : fields)

            {

                Field field = (Field) objects[0];

                Excel attr = (Excel) objects[1];

                Cell headCell1 = subRow.createCell(excelNum);

                headCell1.setCellValue(attr.name());

                headCell1.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));

                excelNum++;

            }

            int headFirstRow = excelNum - 1;

            int headLastRow = headFirstRow + subFields.size() - 1;

            if (headLastRow > headFirstRow)

            {

                sheet.addMergedRegion(new CellRangeAddress(rownum, rownum, headFirstRow, headLastRow));

                CellStyle cellStyle = styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor()));

                if (Collection.class.isAssignableFrom(field.getType()))

                {

                    Cell cell = subRow.createCell(column);

                    cell.setCellValue(attr.name());

                    cell.setCellStyle(cellStyle);

                    int subFieldSize = subFieldsMap != null ? subFieldsMap.get(field.getName()).size() : 0;

                    if (subFieldSize > 1)

                    {

                        CellRangeAddress cellAddress = new CellRangeAddress(rownum, rownum, column, column + subFieldSize - 1);

                        sheet.addMergedRegion(cellAddress);

                    }

                    column += subFieldSize;

                }

                else

                {

                    Cell cell = subRow.createCell(column++);

                    cell.setCellValue(attr.name());

                    cell.setCellStyle(cellStyle);

                }

            }

            rownum++;

        }

@@ -260,7 +283,7 @@
     * @param is 输入流

     * @return 转换后集合

     */

    public List<T> importExcel(InputStream is) throws Exception

    public List<T> importExcel(InputStream is)

    {

        return importExcel(is, 0);

    }

@@ -272,9 +295,23 @@
     * @param titleNum 标题占用行数

     * @return 转换后集合

     */

    public List<T> importExcel(InputStream is, int titleNum) throws Exception

    public List<T> importExcel(InputStream is, int titleNum)

    {

        return importExcel(StringUtils.EMPTY, is, titleNum);

        List<T> list = null;

        try

        {

            list = importExcel(StringUtils.EMPTY, is, titleNum);

        }

        catch (Exception e)

        {

            log.error("导入Excel异常{}", e.getMessage());

            throw new UtilException(e.getMessage());

        }

        finally

        {

            IOUtils.closeQuietly(is);

        }

        return list;

    }



    /**

@@ -299,24 +336,23 @@


        // 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1

        int rows = sheet.getLastRowNum();



        if (rows > 0)

        {

            // 定义一个map用于存放excel列的序号和field.

            Map<String, Integer> cellMap = new HashMap<String, Integer>();

            // 获取表头

            Row heard = sheet.getRow(titleNum);

            for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)

            if (heard == null)

            {

                throw new UtilException("文件标题行为空，请检查Excel文件格式");

            }

            for (int i = 0; i < heard.getLastCellNum(); i++)

            {

                Cell cell = heard.getCell(i);

                if (StringUtils.isNotNull(cell))

                {

                    String value = this.getCellValue(heard, i).toString();

                    cellMap.put(value, i);

                }

                else

                {

                    cellMap.put(null, i);

                }

            }

            // 有数据时才处理 得到类的所有field.

@@ -355,7 +391,7 @@
                    if (String.class == fieldType)

                    {

                        String s = Convert.toStr(val);

                        if (StringUtils.endsWith(s, ".0"))

                        if (s.matches("^\\d+\\.0$"))

                        {

                            val = StringUtils.substringBefore(s, ".0");

                        }

@@ -414,13 +450,13 @@
                        {

                            propertyName = field.getName() + "." + attr.targetAttr();

                        }

                        else if (StringUtils.isNotEmpty(attr.readConverterExp()))

                        if (StringUtils.isNotEmpty(attr.readConverterExp()))

                        {

                            val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());

                        }

                        else if (!attr.handler().equals(ExcelHandlerAdapter.class))

                        {

                            val = dataFormatHandlerAdapter(val, attr);

                            val = dataFormatHandlerAdapter(val, attr, null);

                        }

                        ReflectUtils.invokeSetter(entity, propertyName, val);

                    }

@@ -530,7 +566,8 @@
                Excel excel = (Excel) os[1];

                if (Collection.class.isAssignableFrom(field.getType()))

                {

                    for (Field subField : subFields)

                    List<Field> currentSubFields = subFieldsMap.get(field.getName());

                    for (Field subField : currentSubFields)

                    {

                        Excel subExcel = subField.getAnnotation(Excel.class);

                        this.createHeadCell(subExcel, row, column++);

@@ -543,7 +580,7 @@
            }

            if (Type.EXPORT.equals(type))

            {

                fillExcelData(index, row);

                fillExcelData(index);

                addStatisticsRow();

            }

        }

@@ -553,71 +590,98 @@
     * 填充excel数据

     * 

     * @param index 序号

     * @param row 单元格行

     */

    @SuppressWarnings("unchecked")

    public void fillExcelData(int index, Row row)

    public void fillExcelData(int index)

    {

        int startNo = index * sheetSize;

        int endNo = Math.min(startNo + sheetSize, list.size());

        int rowNo = (1 + rownum) - startNo;

        int currentRowNum = rownum + 1; // 从标题行后开始



        for (int i = startNo; i < endNo; i++)

        {

            rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo;

            row = sheet.createRow(rowNo);

            // 得到导出对象.

            Row row = sheet.createRow(currentRowNum);

            T vo = (T) list.get(i);

            Collection<?> subList = null;

            if (isSubList())

            {

                if (isSubListValue(vo))

                {

                    subList = getListCellValue(vo);

                    subMergedLastRowNum = subMergedLastRowNum + subList.size();

                }

                else

                {

                    subMergedFirstRowNum++;

                    subMergedLastRowNum++;

                }

            }

            int column = 0;

            int maxSubListSize = getCurrentMaxSubListSize(vo);

            for (Object[] os : fields)

            {

                Field field = (Field) os[0];

                Excel excel = (Excel) os[1];

                if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList))

                if (Collection.class.isAssignableFrom(field.getType()))

                {

                    boolean subFirst = false;

                    for (Object obj : subList)

                    try

                    {

                        if (subFirst)

                        Collection<?> subList = (Collection<?>) getTargetValue(vo, field, excel);

                        List<Field> currentSubFields = subFieldsMap.get(field.getName());

                        if (subList != null && !subList.isEmpty())

                        {

                            rowNo++;

                            row = sheet.createRow(rowNo);

                        }

                        List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(obj.getClass(), Excel.class);

                        int subIndex = 0;

                        for (Field subField : subFields)

                        {

                            if (subField.isAnnotationPresent(Excel.class))

                            int subIndex = 0;

                            for (Object subVo : subList)

                            {

                                subField.setAccessible(true);

                                Excel attr = subField.getAnnotation(Excel.class);

                                this.addCell(attr, row, (T) obj, subField, column + subIndex);

                                Row subRow = sheet.getRow(currentRowNum + subIndex);

                                if (subRow == null)

                                {

                                    subRow = sheet.createRow(currentRowNum + subIndex);

                                }



                                int subColumn = column;

                                for (Field subField : currentSubFields)

                                {

                                    Excel subExcel = subField.getAnnotation(Excel.class);

                                    addCell(subExcel, subRow, (T) subVo, subField, subColumn++);

                                }

                                subIndex++;

                            }

                            subIndex++;

                        }

                        subFirst = true;

                        column += currentSubFields.size();

                    }

                    this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size();

                    catch (Exception e)

                    {

                        log.error("填充集合数据失败", e);

                    }

                }

                else

                {

                    this.addCell(excel, row, vo, field, column++);

                    // 创建单元格并设置值

                    addCell(excel, row, vo, field, column);

                    if (maxSubListSize > 1 && excel.needMerge())

                    {

                        sheet.addMergedRegion(new CellRangeAddress(currentRowNum, currentRowNum + maxSubListSize - 1, column, column));

                    }

                    column++;

                }

            }

            currentRowNum += maxSubListSize;

        }

    }



    /**

     * 获取子列表最大数

     */

    private int getCurrentMaxSubListSize(T vo)

    {

        int maxSubListSize = 1;

        for (Object[] os : fields)

        {

            Field field = (Field) os[0];

            if (Collection.class.isAssignableFrom(field.getType()))

            {

                try

                {

                    Collection<?> subList = (Collection<?>) getTargetValue(vo, field, (Excel) os[1]);

                    if (subList != null && !subList.isEmpty())

                    {

                        maxSubListSize = Math.max(maxSubListSize, subList.size());

                    }

                }

                catch (Exception e)

                {

                    log.error("获取集合大小失败", e);

                }

            }

        }

        return maxSubListSize;

    }



    /**

@@ -638,6 +702,8 @@
        titleFont.setFontHeightInPoints((short) 16);

        titleFont.setBold(true);

        style.setFont(titleFont);

        DataFormat dataFormat = wb.createDataFormat();

        style.setDataFormat(dataFormat.getFormat("@"));

        styles.put("title", style);



        style = wb.createCellStyle();

@@ -660,6 +726,7 @@
        style = wb.createCellStyle();

        style.setAlignment(HorizontalAlignment.CENTER);

        style.setVerticalAlignment(VerticalAlignment.CENTER);

        style.setDataFormat(dataFormat.getFormat("######0.00"));

        Font totalFont = wb.createFont();

        totalFont.setFontName("Arial");

        totalFont.setFontHeightInPoints((short) 10);

@@ -700,6 +767,9 @@
                headerFont.setBold(true);

                headerFont.setColor(excel.headerColor().index);

                style.setFont(headerFont);

                // 设置表格头单元格文本形式

                DataFormat dataFormat = wb.createDataFormat();

                style.setDataFormat(dataFormat.getFormat("@"));

                headerStyles.put(key, style);

            }

        }

@@ -717,32 +787,65 @@
        Map<String, CellStyle> styles = new HashMap<String, CellStyle>();

        for (Object[] os : fields)

        {

            Field field = (Field) os[0];

            Excel excel = (Excel) os[1];

            String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());

            if (!styles.containsKey(key))

            if (Collection.class.isAssignableFrom(field.getType()))

            {

                CellStyle style = wb.createCellStyle();

                style.setAlignment(excel.align());

                style.setVerticalAlignment(VerticalAlignment.CENTER);

                style.setBorderRight(BorderStyle.THIN);

                style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

                style.setBorderLeft(BorderStyle.THIN);

                style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

                style.setBorderTop(BorderStyle.THIN);

                style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

                style.setBorderBottom(BorderStyle.THIN);

                style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

                style.setFillPattern(FillPatternType.SOLID_FOREGROUND);

                style.setFillForegroundColor(excel.backgroundColor().getIndex());

                Font dataFont = wb.createFont();

                dataFont.setFontName("Arial");

                dataFont.setFontHeightInPoints((short) 10);

                dataFont.setColor(excel.color().index);

                style.setFont(dataFont);

                styles.put(key, style);

                ParameterizedType pt = (ParameterizedType) field.getGenericType();

                Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];

                List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);

                for (Field subField : subFields)

                {

                    Excel subExcel = subField.getAnnotation(Excel.class);

                    annotationDataStyles(styles, subField, subExcel);

                }

            }

            else

            {

                annotationDataStyles(styles, field, excel);

            }

        }

        return styles;

    }



    /**

     * 根据Excel注解创建表格列样式

     * 
     * @param styles 自定义样式列表

     * @param field  属性列信息

     * @param excel  注解信息

     */

    public void annotationDataStyles(Map<String, CellStyle> styles, Field field, Excel excel)

    {

        String key = StringUtils.format("data_{}_{}_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor(), excel.cellType(), excel.wrapText());

        if (!styles.containsKey(key))

        {

            CellStyle style = wb.createCellStyle();

            style.setAlignment(excel.align());

            style.setVerticalAlignment(VerticalAlignment.CENTER);

            style.setBorderRight(BorderStyle.THIN);

            style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

            style.setBorderLeft(BorderStyle.THIN);

            style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

            style.setBorderTop(BorderStyle.THIN);

            style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

            style.setBorderBottom(BorderStyle.THIN);

            style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());

            style.setFillPattern(FillPatternType.SOLID_FOREGROUND);

            style.setFillForegroundColor(excel.backgroundColor().getIndex());

            style.setWrapText(excel.wrapText());

            Font dataFont = wb.createFont();

            dataFont.setFontName("Arial");

            dataFont.setFontHeightInPoints((short) 10);

            dataFont.setColor(excel.color().index);

            style.setFont(dataFont);

            if (ColumnType.TEXT == excel.cellType())

            {

                DataFormat dataFormat = wb.createDataFormat();

                style.setDataFormat(dataFormat.getFormat("@"));

            }

            styles.put(key, style);

        }

    }



    /**

@@ -759,7 +862,7 @@
        if (isSubList())

        {

            // 填充默认样式，防止合并单元格样式失效

            sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));

            sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType(), attr.wrapText())));

            if (attr.needMerge())

            {

                sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));

@@ -777,7 +880,7 @@
     */

    public void setCellVo(Object value, Excel attr, Cell cell)

    {

        if (ColumnType.STRING == attr.cellType())

        if (ColumnType.STRING == attr.cellType() || ColumnType.TEXT == attr.cellType())

        {

            String cellValue = Convert.toStr(value);

            // 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。

@@ -884,12 +987,14 @@
            {

                // 创建cell

                cell = row.createCell(column);

                if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge())

                if (isSubListValue(vo) && getListCellValue(vo) > 1 && attr.needMerge())

                {

                    CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);

                    sheet.addMergedRegion(cellAddress);

                    if (subMergedLastRowNum >= subMergedFirstRowNum)

                    {

                        sheet.addMergedRegion(new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column));

                    }

                }

                cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));

                cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType(), attr.wrapText())));



                // 用于读取对象中的属性

                Object value = getTargetValue(vo, field, attr);

@@ -898,6 +1003,7 @@
                String separator = attr.separator();

                if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))

                {

                    cell.getCellStyle().setDataFormat(this.wb.getCreationHelper().createDataFormat().getFormat(dateFormat));

                    cell.setCellValue(parseDateToStr(dateFormat, value));

                }

                else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))

@@ -910,7 +1016,7 @@
                }

                else if (!attr.handler().equals(ExcelHandlerAdapter.class))

                {

                    cell.setCellValue(dataFormatHandlerAdapter(value, attr));

                    cell.setCellValue(dataFormatHandlerAdapter(value, attr, cell));

                }

                else

                {

@@ -978,18 +1084,36 @@
    public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)

    {

        String hideSheetName = "combo_" + firstCol + "_" + endCol;

        Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据

        for (int i = 0; i < textlist.length; i++)

        Sheet hideSheet = null;

        String hideSheetDataName = hideSheetName + "_data";

        Name name = wb.getName(hideSheetDataName);

        if (name != null)

        {

            hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);

            // 名称已存在，尝试从名称的引用中找到sheet名称

            String refersToFormula = name.getRefersToFormula();

            if (StringUtils.isNotEmpty(refersToFormula) && refersToFormula.contains("!"))

            {

                String sheetNameFromFormula = refersToFormula.substring(0, refersToFormula.indexOf("!"));

                hideSheet = wb.getSheet(sheetNameFromFormula);

            }

        }

        // 创建名称，可被其他单元格引用

        Name name = wb.createName();

        name.setNameName(hideSheetName + "_data");

        name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);



        if (hideSheet == null)

        {

            hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据

            for (int i = 0; i < textlist.length; i++)

            {

                hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);

            }

            // 创建名称，可被其他单元格引用

            name = wb.createName();

            name.setNameName(hideSheetDataName);

            name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);

        }



        DataValidationHelper helper = sheet.getDataValidationHelper();

        // 加载下拉列表内容

        DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");

        DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetDataName);

        // 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列

        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);

        // 数据有效性对象

@@ -1018,7 +1142,7 @@


    /**

     * 解析导出值 0=男,1=女,2=未知

     *

     * 
     * @param propertyValue 参数值

     * @param converterExp 翻译注解

     * @param separator 分隔符

@@ -1027,7 +1151,7 @@
    public static String convertByExp(String propertyValue, String converterExp, String separator)

    {

        StringBuilder propertyString = new StringBuilder();

        String[] convertSource = converterExp.split(",");

        String[] convertSource = converterExp.split(SEPARATOR);

        for (String item : convertSource)

        {

            String[] itemArray = item.split("=");

@@ -1064,7 +1188,7 @@
    public static String reverseByExp(String propertyValue, String converterExp, String separator)

    {

        StringBuilder propertyString = new StringBuilder();

        String[] convertSource = converterExp.split(",");

        String[] convertSource = converterExp.split(SEPARATOR);

        for (String item : convertSource)

        {

            String[] itemArray = item.split("=");

@@ -1097,13 +1221,13 @@
     * @param excel 数据注解

     * @return

     */

    public String dataFormatHandlerAdapter(Object value, Excel excel)

    public String dataFormatHandlerAdapter(Object value, Excel excel, Cell cell)

    {

        try

        {

            Object instance = excel.handler().newInstance();

            Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });

            value = formatMethod.invoke(instance, value, excel.args());

            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);

        }

        catch (Exception e)

        {

@@ -1152,7 +1276,7 @@
            {

                cell = row.createCell(key);

                cell.setCellStyle(styles.get("total"));

                cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));

                cell.setCellValue(statistics.get(key));

            }

            statistics.clear();

        }

@@ -1169,6 +1293,7 @@
     */

    private Object getTargetValue(T vo, Field field, Excel excel) throws Exception

    {

        field.setAccessible(true);

        Object o = field.get(vo);

        if (StringUtils.isNotEmpty(excel.targetAttr()))

        {

@@ -1226,47 +1351,88 @@
    {

        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()));

        for (Field field : tempFields)

        if (StringUtils.isNotEmpty(includeFields))

        {

            if (!ArrayUtils.contains(this.excludeFields, field.getName()))

            for (Field field : tempFields)

            {

                // 单注解

                if (field.isAnnotationPresent(Excel.class))

                if (ArrayUtils.contains(this.includeFields, field.getName()) || field.isAnnotationPresent(Excels.class))

                {

                    Excel attr = field.getAnnotation(Excel.class);

                    if (attr != null && (attr.type() == Type.ALL || attr.type() == type))

                    addField(fields, field);

                }

            }

        }

        else if (StringUtils.isNotEmpty(excludeFields))

        {

            for (Field field : tempFields)

            {

                if (!ArrayUtils.contains(this.excludeFields, field.getName()))

                {

                    addField(fields, field);

                }

            }

        }

        else

        {

            for (Field field : tempFields)

            {

                addField(fields, field);

            }

        }

        return fields;

    }



    /**

     * 添加字段信息

     */

    public void addField(List<Object[]> fields, Field field)

    {

        // 单注解

        if (field.isAnnotationPresent(Excel.class))

        {

            Excel attr = field.getAnnotation(Excel.class);

            if (attr != null && (attr.type() == Type.ALL || attr.type() == type))

            {

                fields.add(new Object[] { field, attr });

            }

            if (Collection.class.isAssignableFrom(field.getType()))

            {

                String fieldName = field.getName();

                subMethods.put(fieldName, getSubMethod(fieldName, clazz));

                ParameterizedType pt = (ParameterizedType) field.getGenericType();

                Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];

                subFieldsMap.put(fieldName, FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class));

            }

        }



        // 多注解

        if (field.isAnnotationPresent(Excels.class))

        {

            Excels attrs = field.getAnnotation(Excels.class);

            Excel[] excels = attrs.value();

            for (Excel attr : excels)

            {

                if (StringUtils.isNotEmpty(includeFields))

                {

                    if (ArrayUtils.contains(this.includeFields, field.getName() + "." + attr.targetAttr())

                            && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))

                    {

                        field.setAccessible(true);

                        fields.add(new Object[] { field, attr });

                    }

                    if (Collection.class.isAssignableFrom(field.getType()))

                    {

                        subMethod = getSubMethod(field.getName(), clazz);

                        ParameterizedType pt = (ParameterizedType) field.getGenericType();

                        Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];

                        this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);

                    }

                }



                // 多注解

                if (field.isAnnotationPresent(Excels.class))

                else

                {

                    Excels attrs = field.getAnnotation(Excels.class);

                    Excel[] excels = attrs.value();

                    for (Excel attr : excels)

                    if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())

                            && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))

                    {

                        if (attr != null && (attr.type() == Type.ALL || attr.type() == type))

                        {

                            field.setAccessible(true);

                            fields.add(new Object[] { field, attr });

                        }

                        fields.add(new Object[] { field, attr });

                    }

                }

            }

        }

        return fields;

    }



    /**

@@ -1307,7 +1473,8 @@
        {

            this.sheet = wb.createSheet();

            this.createTitle();

            wb.setSheetName(index, sheetName + index);

            int actualIndex = wb.getSheetIndex(this.sheet);

            wb.setSheetName(actualIndex, sheetName + index);

        }

    }



@@ -1432,7 +1599,7 @@
     */

    public boolean isSubList()

    {

        return StringUtils.isNotNull(subFields) && subFields.size() > 0;

        return !StringUtils.isEmpty(subFieldsMap);

    }



    /**

@@ -1440,24 +1607,32 @@
     */

    public boolean isSubListValue(T vo)

    {

        return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;

        return !StringUtils.isEmpty(subFieldsMap) && getListCellValue(vo) > 0;

    }



    /**

     * 获取集合的值

     */

    public Collection<?> getListCellValue(Object obj)

    public int getListCellValue(Object obj)

    {

        Object value;

        Collection<?> value;

        int max = 0;

        try

        {

            value = subMethod.invoke(obj, new Object[] {});

            for (String s : subMethods.keySet())

            {

                value = (Collection<?>) subMethods.get(s).invoke(obj);

                if (value.size() > max)

                {

                    max = value.size();

                }

            }

        }

        catch (Exception e)

        {

            return new ArrayList<Object>();

            return 0;

        }

        return (Collection<?>) value;

        return max;

    }



    /**