RuoYi
2023-08-21 5681e2ade374e039d335eb381c203d5da3794b23
src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -48,6 +48,7 @@
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Name;
import org.apache.poi.ss.usermodel.PictureData;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
@@ -96,6 +97,11 @@
    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
    public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
    /**
     * 用于dictType属性数据存储,避免重复查缓存
     */
    public Map<String, String> sysDictMap = new HashMap<String, String>();
    /**
     * Excel sheet最大行数,默认65536
@@ -282,9 +288,23 @@
     * @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);
        List<T> list = null;
        try
        {
            list = importExcel(is, 0);
        }
        catch (Exception e)
        {
            log.error("导入Excel异常{}", e.getMessage());
            throw new UtilException(e.getMessage());
        }
        finally
        {
            IOUtils.closeQuietly(is);
        }
        return list;
    }
    /**
@@ -330,7 +350,6 @@
        }
        // 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.
@@ -445,7 +464,7 @@
                        {
                            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());
                        }
@@ -455,7 +474,7 @@
                        }
                        else if (!attr.handler().equals(ExcelHandlerAdapter.class))
                        {
                            val = dataFormatHandlerAdapter(val, attr);
                            val = dataFormatHandlerAdapter(val, attr, null);
                        }
                        else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures))
                        {
@@ -911,6 +930,10 @@
            {
                cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
            }
            if (value instanceof Collection && StringUtils.equals("[]", cellValue))
            {
                cellValue = StringUtils.EMPTY;
            }
            cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
        }
        else if (ColumnType.NUMERIC == attr.cellType())
@@ -978,8 +1001,16 @@
        }
        if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
        {
            // 提示信息或只能选择不能输入的列内容.
            setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
            if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
            {
                // 如果下拉数大于15或字符串长度大于255,则使用一个新sheet存储,避免生成的模板下拉值获取不到
                setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
            }
            else
            {
                // 提示信息或只能选择不能输入的列内容.
                setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
            }
        }
    }
@@ -1021,7 +1052,12 @@
                }
                else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
                {
                    cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
                    if (!sysDictMap.containsKey(dictType + value))
                    {
                        String lable = convertDictByExp(Convert.toStr(value), dictType, separator);
                        sysDictMap.put(dictType + value, lable);
                    }
                    cell.setCellValue(sysDictMap.get(dictType + value));
                }
                else if (value instanceof BigDecimal && -1 != attr.scale())
                {
@@ -1029,7 +1065,7 @@
                }
                else if (!attr.handler().equals(ExcelHandlerAdapter.class))
                {
                    cell.setCellValue(dataFormatHandlerAdapter(value, attr));
                    cell.setCellValue(dataFormatHandlerAdapter(value, attr, cell));
                }
                else
                {
@@ -1081,6 +1117,58 @@
            dataValidation.setSuppressDropDownArrow(false);
        }
        sheet.addValidationData(dataValidation);
    }
    /**
     * 设置某些列的值只能输入预制的数据,显示下拉框(兼容超出一定数量的下拉框).
     *
     * @param sheet 要设置的sheet.
     * @param textlist 下拉框显示的内容
     * @param promptContent 提示内容
     * @param firstRow 开始行
     * @param endRow 结束行
     * @param firstCol 开始列
     * @param endCol 结束列
     */
    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++)
        {
            hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
        }
        // 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);
        DataValidationHelper helper = sheet.getDataValidationHelper();
        // 加载下拉列表内容
        DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
        // 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
        DataValidation dataValidation = helper.createValidation(constraint, regions);
        if (StringUtils.isNotEmpty(promptContent))
        {
            // 如果设置了提示信息则鼠标放上去提示
            dataValidation.createPromptBox("", promptContent);
            dataValidation.setShowPromptBox(true);
        }
        // 处理Excel兼容性问题
        if (dataValidation instanceof XSSFDataValidation)
        {
            dataValidation.setSuppressDropDownArrow(true);
            dataValidation.setShowErrorBox(true);
        }
        else
        {
            dataValidation.setSuppressDropDownArrow(false);
        }
        sheet.addValidationData(dataValidation);
        // 设置hiddenSheet隐藏
        wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
    }
    /**
@@ -1190,13 +1278,13 @@
     * @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)
        {
@@ -1256,7 +1344,7 @@
     */
    public String encodingFilename(String filename)
    {
        filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";
        filename = UUID.randomUUID() + "_" + filename + ".xlsx";
        return filename;
    }
@@ -1375,7 +1463,8 @@
                    Excel[] excels = attrs.value();
                    for (Excel attr : excels)
                    {
                        if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
                        if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())
                                && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
                        {
                            field.setAccessible(true);
                            fields.add(new Object[] { field, attr });
@@ -1533,7 +1622,7 @@
                    HSSFPicture pic = (HSSFPicture) shape;
                    int pictureIndex = pic.getPictureIndex() - 1;
                    HSSFPictureData picData = pictures.get(pictureIndex);
                    String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());
                    String picIndex = anchor.getRow1() + "_" + anchor.getCol1();
                    sheetIndexPicMap.put(picIndex, picData);
                }
            }