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(工具类中很多方法需要引用其他工具类,用不到可根据情况注释掉方法)
package com.ruoyi.common.utils.poi; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.math.BigDecimal; import java.text.DecimalFormat; import java.time.LocalDate; import java.time.LocalDateTime; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import java.util.UUID; import java.util.stream.Collectors; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang3.RegExUtils; import org.apache.poi.hssf.usermodel.HSSFClientAnchor; import org.apache.poi.hssf.usermodel.HSSFPicture; import org.apache.poi.hssf.usermodel.HSSFPictureData; import org.apache.poi.hssf.usermodel.HSSFShape; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.ooxml.POIXMLDocumentPart; import org.apache.poi.ss.usermodel.BorderStyle; import org.apache.poi.ss.usermodel.Cell; 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.DataValidation; import org.apache.poi.ss.usermodel.DataValidationConstraint; import org.apache.poi.ss.usermodel.DataValidationHelper; import org.apache.poi.ss.usermodel.DateUtil; import org.apache.poi.ss.usermodel.Drawing; import org.apache.poi.ss.usermodel.FillPatternType; 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.PictureData; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.VerticalAlignment; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.ss.usermodel.WorkbookFactory; import org.apache.poi.ss.util.CellRangeAddress; import org.apache.poi.ss.util.CellRangeAddressList; import org.apache.poi.util.IOUtils; import org.apache.poi.xssf.streaming.SXSSFWorkbook; import org.apache.poi.xssf.usermodel.XSSFClientAnchor; import org.apache.poi.xssf.usermodel.XSSFDataValidation; import org.apache.poi.xssf.usermodel.XSSFDrawing; import org.apache.poi.xssf.usermodel.XSSFPicture; import org.apache.poi.xssf.usermodel.XSSFShape; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.ruoyi.common.annotation.Excel; import com.ruoyi.common.annotation.Excel.ColumnType; import com.ruoyi.common.annotation.Excel.Type; import com.ruoyi.common.annotation.Excels; import com.ruoyi.common.config.RuoYiConfig; import com.ruoyi.common.core.domain.AjaxResult; import com.ruoyi.common.core.text.Convert; import com.ruoyi.common.exception.UtilException; import com.ruoyi.common.utils.DateUtils; import com.ruoyi.common.utils.DictUtils; import com.ruoyi.common.utils.StringUtils; import com.ruoyi.common.utils.file.FileTypeUtils; import com.ruoyi.common.utils.file.FileUtils; import com.ruoyi.common.utils.file.ImageUtils; import com.ruoyi.common.utils.reflect.ReflectUtils; /** * Excel相关处理 * * @author ruoyi */ public class ExcelUtil<T> { private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class); public static final String FORMULA_REGEX_STR = "=|-|\\+|@"; public static final String[] FORMULA_STR = { "=", "-", "+", "@" }; /** * Excel sheet最大行数,默认65536 */ public static final int sheetSize = 65536; /** * 工作表名称 */ private String sheetName; /** * 导出类型(EXPORT:导出数据;IMPORT:导入模板) */ private Type type; /** * 工作薄对象 */ private Workbook wb; /** * 工作表对象 */ private Sheet sheet; /** * 样式列表 */ private Map<String, CellStyle> styles; /** * 导入导出数据列表 */ private List<T> list; /** * 注解列表 */ private List<Object[]> fields; /** * 当前行号 */ private int rownum; /** * 标题 */ private String title; /** * 最大高度 */ private short maxHeight; /** * 统计列表 */ 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; public ExcelUtil(Class<T> clazz) { this.clazz = clazz; } public void init(List<T> list, String sheetName, String title, Type type) { if (list == null) { list = new ArrayList<T>(); } this.list = list; this.sheetName = sheetName; this.type = type; this.title = title; createExcelField(); createWorkbook(); createTitle(); } /** * 创建excel第一行标题 */ public void createTitle() { if (StringUtils.isNotEmpty(title)) { 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(), this.fields.size() - 1)); } } /** * 对excel表单默认第一个索引名转换成list * * @param is 输入流 * @return 转换后集合 */ public List<T> importExcel(InputStream is) throws Exception { return importExcel(is, 0); } /** * 对excel表单默认第一个索引名转换成list * * @param is 输入流 * @param titleNum 标题占用行数 * @return 转换后集合 */ public List<T> importExcel(InputStream is, int titleNum) throws Exception { return importExcel(StringUtils.EMPTY, is, titleNum); } /** * 对excel表单指定表格索引名转换成list * * @param sheetName 表格索引名 * @param titleNum 标题占用行数 * @param is 输入流 * @return 转换后集合 */ public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception { this.type = Type.IMPORT; this.wb = WorkbookFactory.create(is); List<T> list = new ArrayList<T>(); // 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0); if (sheet == null) { throw new IOException("文件sheet不存在"); } boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook); Map<String, PictureData> pictures; if (isXSSFWorkbook) { pictures = getSheetPictures07((XSSFSheet) sheet, (XSSFWorkbook) wb); } else { pictures = getSheetPictures03((HSSFSheet) sheet, (HSSFWorkbook) wb); } // 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++) { 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. List<Object[]> fields = this.getFields(); Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>(); for (Object[] objects : fields) { Excel attr = (Excel) objects[1]; Integer column = cellMap.get(attr.name()); if (column != null) { fieldsMap.put(column, objects); } } for (int i = titleNum + 1; i <= rows; i++) { // 从第2行开始取数据,默认第一行是表头. Row row = sheet.getRow(i); // 判断当前行是否是空行 if (isRowEmpty(row)) { continue; } T entity = null; for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet()) { Object val = this.getCellValue(row, entry.getKey()); // 如果不存在实例则新建. entity = (entity == null ? clazz.newInstance() : entity); // 从map中得到对应列的field. Field field = (Field) entry.getValue()[0]; Excel attr = (Excel) entry.getValue()[1]; // 取得类型,并根据对象类型设置值. Class<?> fieldType = field.getType(); if (String.class == fieldType) { String s = Convert.toStr(val); if (StringUtils.endsWith(s, ".0")) { val = StringUtils.substringBefore(s, ".0"); } else { String dateFormat = field.getAnnotation(Excel.class).dateFormat(); if (StringUtils.isNotEmpty(dateFormat)) { val = parseDateToStr(dateFormat, val); } else { val = Convert.toStr(val); } } } else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) { val = Convert.toInt(val); } else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) { val = Convert.toLong(val); } else if (Double.TYPE == fieldType || Double.class == fieldType) { val = Convert.toDouble(val); } else if (Float.TYPE == fieldType || Float.class == fieldType) { val = Convert.toFloat(val); } else if (BigDecimal.class == fieldType) { val = Convert.toBigDecimal(val); } else if (Date.class == fieldType) { if (val instanceof String) { val = DateUtils.parseDate(val); } else if (val instanceof Double) { val = DateUtil.getJavaDate((Double) val); } } else if (Boolean.TYPE == fieldType || Boolean.class == fieldType) { val = Convert.toBool(val, false); } if (StringUtils.isNotNull(fieldType)) { String propertyName = field.getName(); if (StringUtils.isNotEmpty(attr.targetAttr())) { propertyName = field.getName() + "." + attr.targetAttr(); } else if (StringUtils.isNotEmpty(attr.readConverterExp())) { val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator()); } else if (StringUtils.isNotEmpty(attr.dictType())) { val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator()); } else if (!attr.handler().equals(ExcelHandlerAdapter.class)) { val = dataFormatHandlerAdapter(val, attr); } else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures)) { PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey()); if (image == null) { val = ""; } else { byte[] data = image.getData(); val = FileUtils.writeImportBytes(data); } } ReflectUtils.invokeSetter(entity, propertyName, val); } } list.add(entity); } } return list; } /** * 对list数据源将其里面的数据导入到excel表单 * * @param list 导出数据集合 * @param sheetName 工作表的名称 * @return 结果 */ public AjaxResult exportExcel(List<T> list, String sheetName) { return exportExcel(list, sheetName, StringUtils.EMPTY); } /** * 对list数据源将其里面的数据导入到excel表单 * * @param list 导出数据集合 * @param sheetName 工作表的名称 * @param title 标题 * @return 结果 */ public AjaxResult exportExcel(List<T> list, String sheetName, String title) { this.init(list, sheetName, title, Type.EXPORT); return exportExcel(); } /** * 对list数据源将其里面的数据导入到excel表单 * * @param response 返回数据 * @param list 导出数据集合 * @param sheetName 工作表的名称 * @return 结果 */ public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) { exportExcel(response, list, sheetName, StringUtils.EMPTY); } /** * 对list数据源将其里面的数据导入到excel表单 * * @param response 返回数据 * @param list 导出数据集合 * @param sheetName 工作表的名称 * @param title 标题 * @return 结果 */ public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title) { response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); response.setCharacterEncoding("utf-8"); this.init(list, sheetName, title, Type.EXPORT); exportExcel(response); } /** * 对list数据源将其里面的数据导入到excel表单 * * @param sheetName 工作表的名称 * @return 结果 */ public AjaxResult importTemplateExcel(String sheetName) { return importTemplateExcel(sheetName, StringUtils.EMPTY); } /** * 对list数据源将其里面的数据导入到excel表单 * * @param sheetName 工作表的名称 * @param title 标题 * @return 结果 */ public AjaxResult importTemplateExcel(String sheetName, String title) { this.init(null, sheetName, title, Type.IMPORT); return exportExcel(); } /** * 对list数据源将其里面的数据导入到excel表单 * * @param sheetName 工作表的名称 * @return 结果 */ public void importTemplateExcel(HttpServletResponse response, String sheetName) { importTemplateExcel(response, sheetName, StringUtils.EMPTY); } /** * 对list数据源将其里面的数据导入到excel表单 * * @param sheetName 工作表的名称 * @param title 标题 * @return 结果 */ public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) { response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); response.setCharacterEncoding("utf-8"); this.init(null, sheetName, title, Type.IMPORT); exportExcel(response); } /** * 对list数据源将其里面的数据导入到excel表单 * * @return 结果 */ public void exportExcel(HttpServletResponse response) { try { writeSheet(); wb.write(response.getOutputStream()); } catch (Exception e) { log.error("导出Excel异常{}", e.getMessage()); } finally { IOUtils.closeQuietly(wb); } } /** * 对list数据源将其里面的数据导入到excel表单 * * @return 结果 */ public AjaxResult exportExcel() { OutputStream out = null; try { writeSheet(); String filename = encodingFilename(sheetName); out = new FileOutputStream(getAbsoluteFile(filename)); wb.write(out); return AjaxResult.success(filename); } catch (Exception e) { log.error("导出Excel异常{}", e.getMessage()); throw new UtilException("导出Excel失败,请联系网站管理员!"); } finally { IOUtils.closeQuietly(wb); IOUtils.closeQuietly(out); } } /** * 创建写入数据到Sheet */ public void writeSheet() { // 取出一共有多少个sheet. int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize)); for (int index = 0; index < sheetNo; index++) { createSheet(sheetNo, index); // 产生一行 Row row = sheet.createRow(rownum); int column = 0; // 写入各个字段的列头名称 for (Object[] os : fields) { Excel excel = (Excel) os[1]; this.createCell(excel, row, column++); } if (Type.EXPORT.equals(type)) { fillExcelData(index, row); addStatisticsRow(); } } } /** * 填充excel数据 * * @param index 序号 * @param row 单元格行 */ public void fillExcelData(int index, Row row) { int startNo = index * sheetSize; int endNo = Math.min(startNo + sheetSize, list.size()); for (int i = startNo; i < endNo; i++) { row = sheet.createRow(i + 1 + rownum - startNo); // 得到导出对象. T vo = (T) list.get(i); int column = 0; for (Object[] os : fields) { Field field = (Field) os[0]; Excel excel = (Excel) os[1]; this.addCell(excel, row, vo, field, column++); } } } /** * 创建表格样式 * * @param wb 工作薄对象 * @return 样式列表 */ private Map<String, CellStyle> createStyles(Workbook wb) { // 写入各条记录,每条记录对应excel表中的一行 Map<String, CellStyle> styles = new HashMap<String, CellStyle>(); CellStyle style = wb.createCellStyle(); style.setAlignment(HorizontalAlignment.CENTER); style.setVerticalAlignment(VerticalAlignment.CENTER); Font titleFont = wb.createFont(); titleFont.setFontName("Arial"); titleFont.setFontHeightInPoints((short) 16); titleFont.setBold(true); style.setFont(titleFont); styles.put("title", style); style = wb.createCellStyle(); style.setAlignment(HorizontalAlignment.CENTER); 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()); Font dataFont = wb.createFont(); dataFont.setFontName("Arial"); dataFont.setFontHeightInPoints((short) 10); style.setFont(dataFont); styles.put("data", style); style = wb.createCellStyle(); style.cloneStyleFrom(styles.get("data")); style.setAlignment(HorizontalAlignment.CENTER); style.setVerticalAlignment(VerticalAlignment.CENTER); 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); style = wb.createCellStyle(); style.setAlignment(HorizontalAlignment.CENTER); style.setVerticalAlignment(VerticalAlignment.CENTER); Font totalFont = wb.createFont(); totalFont.setFontName("Arial"); totalFont.setFontHeightInPoints((short) 10); style.setFont(totalFont); styles.put("total", style); styles.putAll(annotationStyles(wb)); return styles; } /** * 根据Excel注解创建表格样式 * * @param wb 工作薄对象 * @return 自定义样式列表 */ private Map<String, CellStyle> annotationStyles(Workbook wb) { Map<String, CellStyle> styles = new HashMap<String, CellStyle>(); for (Object[] os : fields) { Excel excel = (Excel) os[1]; String key = "data_" + excel.align() + "_" + excel.color(); if (!styles.containsKey(key)) { CellStyle style = wb.createCellStyle(); 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()); Font dataFont = wb.createFont(); dataFont.setFontName("Arial"); dataFont.setFontHeightInPoints((short) 10); dataFont.setColor(excel.color().index); style.setFont(dataFont); styles.put(key, style); } } return styles; } /** * 创建单元格 */ public Cell createCell(Excel attr, Row row, int column) { // 创建列 Cell cell = row.createCell(column); // 写入列信息 cell.setCellValue(attr.name()); setDataValidation(attr, row, column); cell.setCellStyle(styles.get("header")); return cell; } /** * 设置单元格信息 * * @param value 单元格值 * @param attr 注解相关 * @param cell 单元格信息 */ public void setCellVo(Object value, Excel attr, Cell cell) { if (ColumnType.STRING == 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。 if (StringUtils.startsWithAny(cellValue, FORMULA_STR)) { cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0"); } cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix()); } else if (ColumnType.NUMERIC == attr.cellType()) { if (StringUtils.isNotNull(value)) { cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value)); } } else if (ColumnType.IMAGE == attr.cellType()) { ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1); String imagePath = Convert.toStr(value); if (StringUtils.isNotEmpty(imagePath)) { byte[] data = ImageUtils.getImage(imagePath); getDrawingPatriarch(cell.getSheet()).createPicture(anchor, cell.getSheet().getWorkbook().addPicture(data, getImageType(data))); } } } /** * 获取画布 */ public static Drawing<?> getDrawingPatriarch(Sheet sheet) { if (sheet.getDrawingPatriarch() == null) { sheet.createDrawingPatriarch(); } return sheet.getDrawingPatriarch(); } /** * 获取图片类型,设置图片插入类型 */ public int getImageType(byte[] value) { String type = FileTypeUtils.getFileExtendName(value); if ("JPG".equalsIgnoreCase(type)) { return Workbook.PICTURE_TYPE_JPEG; } else if ("PNG".equalsIgnoreCase(type)) { return Workbook.PICTURE_TYPE_PNG; } return Workbook.PICTURE_TYPE_JPEG; } /** * 创建表格样式 */ public void setDataValidation(Excel attr, Row row, int column) { if (attr.name().indexOf("注:") >= 0) { sheet.setColumnWidth(column, 6000); } else { // 设置列宽 sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256)); } 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); } } /** * 添加单元格 */ public Cell addCell(Excel attr, Row row, T vo, Field field, int column) { Cell cell = null; try { // 设置行高 row.setHeight(maxHeight); // 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 cell = row.createCell(column); cell.setCellStyle(styles.get("data_" + attr.align() + "_" + attr.color())); // 用于读取对象中的属性 Object value = getTargetValue(vo, field, attr); String dateFormat = attr.dateFormat(); String readConverterExp = attr.readConverterExp(); String separator = attr.separator(); String dictType = attr.dictType(); if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) { cell.setCellValue(parseDateToStr(dateFormat, value)); } else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) { cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator)); } else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value)) { cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator)); } else if (value instanceof BigDecimal && -1 != attr.scale()) { cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString()); } else if (!attr.handler().equals(ExcelHandlerAdapter.class)) { cell.setCellValue(dataFormatHandlerAdapter(value, attr)); } else { // 设置列类型 setCellVo(value, attr, cell); } addStatisticsData(column, Convert.toStr(value), attr); } } catch (Exception e) { log.error("导出Excel失败{}", e); } return cell; } /** * 设置 POI XSSFSheet 单元格提示或选择框 * * @param sheet 表单 * @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 setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol) { DataValidationHelper helper = sheet.getDataValidationHelper(); DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1"); CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); 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); } /** * 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 * @return 解析后值 */ public static String convertByExp(String propertyValue, String converterExp, String separator) { StringBuilder propertyString = new StringBuilder(); String[] convertSource = converterExp.split(","); for (String item : convertSource) { String[] itemArray = item.split("="); if (StringUtils.containsAny(separator, propertyValue)) { for (String value : propertyValue.split(separator)) { if (itemArray[0].equals(value)) { propertyString.append(itemArray[1] + separator); break; } } } else { if (itemArray[0].equals(propertyValue)) { return itemArray[1]; } } } return StringUtils.stripEnd(propertyString.toString(), separator); } /** * 反向解析值 男=0,女=1,未知=2 * * @param propertyValue 参数值 * @param converterExp 翻译注解 * @param separator 分隔符 * @return 解析后值 */ public static String reverseByExp(String propertyValue, String converterExp, String separator) { StringBuilder propertyString = new StringBuilder(); String[] convertSource = converterExp.split(","); for (String item : convertSource) { String[] itemArray = item.split("="); if (StringUtils.containsAny(separator, propertyValue)) { for (String value : propertyValue.split(separator)) { if (itemArray[1].equals(value)) { propertyString.append(itemArray[0] + separator); break; } } } else { if (itemArray[1].equals(propertyValue)) { return itemArray[0]; } } } return StringUtils.stripEnd(propertyString.toString(), separator); } /** * 解析字典值 * * @param dictValue 字典值 * @param dictType 字典类型 * @param separator 分隔符 * @return 字典标签 */ public static String convertDictByExp(String dictValue, String dictType, String separator) { return DictUtils.getDictLabel(dictType, dictValue, separator); } /** * 反向解析值字典值 * * @param dictLabel 字典标签 * @param dictType 字典类型 * @param separator 分隔符 * @return 字典值 */ public static String reverseDictByExp(String dictLabel, String dictType, String separator) { return DictUtils.getDictValue(dictType, dictLabel, separator); } /** * 数据处理器 * * @param value 数据值 * @param excel 数据注解 * @return */ public String dataFormatHandlerAdapter(Object value, Excel excel) { 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()); } catch (Exception e) { log.error("不能格式化数据 " + excel.handler(), e.getMessage()); } return Convert.toStr(value); } /** * 合计统计信息 */ private void addStatisticsData(Integer index, String text, Excel entity) { if (entity != null && entity.isStatistics()) { Double temp = 0D; if (!statistics.containsKey(index)) { statistics.put(index, temp); } try { temp = Double.valueOf(text); } catch (NumberFormatException e) { } statistics.put(index, statistics.get(index) + temp); } } /** * 创建统计行 */ public void addStatisticsRow() { if (statistics.size() > 0) { Row row = sheet.createRow(sheet.getLastRowNum() + 1); Set<Integer> keys = statistics.keySet(); Cell cell = row.createCell(0); cell.setCellStyle(styles.get("total")); cell.setCellValue("合计"); for (Integer key : keys) { cell = row.createCell(key); cell.setCellStyle(styles.get("total")); cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key))); } statistics.clear(); } } /** * 编码文件名 */ public String encodingFilename(String filename) { filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx"; return filename; } /** * 获取下载路径 * * @param filename 文件名称 */ public String getAbsoluteFile(String filename) { String downloadPath = RuoYiConfig.getDownloadPath() + filename; File desc = new File(downloadPath); if (!desc.getParentFile().exists()) { desc.getParentFile().mkdirs(); } return downloadPath; } /** * 获取bean中的属性值 * * @param vo 实体对象 * @param field 字段 * @param excel 注解 * @return 最终的属性值 * @throws Exception */ private Object getTargetValue(T vo, Field field, Excel excel) throws Exception { Object o = field.get(vo); if (StringUtils.isNotEmpty(excel.targetAttr())) { String target = excel.targetAttr(); if (target.contains(".")) { String[] targets = target.split("[.]"); for (String name : targets) { o = getValue(o, name); } } else { o = getValue(o, target); } } return o; } /** * 以类的属性的get方法方法形式获取值 * * @param o * @param name * @return value * @throws Exception */ private Object getValue(Object o, String name) throws Exception { if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name)) { Class<?> clazz = o.getClass(); Field field = clazz.getDeclaredField(name); field.setAccessible(true); o = field.get(o); } return o; } /** * 得到所有定义字段 */ private void createExcelField() { this.fields = getFields(); this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList()); this.maxHeight = getRowHeight(); } /** * 获取字段注解信息 */ public List<Object[]> getFields() { List<Object[]> fields = new ArrayList<Object[]>(); List<Field> tempFields = new ArrayList<>(); tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); for (Field field : tempFields) { // 单注解 if (field.isAnnotationPresent(Excel.class)) { Excel attr = field.getAnnotation(Excel.class); if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) { field.setAccessible(true); fields.add(new Object[] { field, attr }); } } // 多注解 if (field.isAnnotationPresent(Excels.class)) { Excels attrs = field.getAnnotation(Excels.class); Excel[] excels = attrs.value(); for (Excel attr : excels) { if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) { field.setAccessible(true); fields.add(new Object[] { field, attr }); } } } } return fields; } /** * 根据注解获取最大行高 */ public short getRowHeight() { double maxHeight = 0; for (Object[] os : this.fields) { Excel excel = (Excel) os[1]; maxHeight = Math.max(maxHeight, excel.height()); } return (short) (maxHeight * 20); } /** * 创建一个工作簿 */ public void createWorkbook() { this.wb = new SXSSFWorkbook(500); this.sheet = wb.createSheet(); wb.setSheetName(0, sheetName); this.styles = createStyles(wb); } /** * 创建工作表 * * @param sheetNo sheet数量 * @param index 序号 */ public void createSheet(int sheetNo, int index) { // 设置工作表的名称. if (sheetNo > 1 && index > 0) { this.sheet = wb.createSheet(); this.createTitle(); wb.setSheetName(index, sheetName + index); } } /** * 获取单元格值 * * @param row 获取的行 * @param column 获取单元格列号 * @return 单元格值 */ public Object getCellValue(Row row, int column) { if (row == null) { return row; } Object val = ""; try { Cell cell = row.getCell(column); if (StringUtils.isNotNull(cell)) { if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA) { val = cell.getNumericCellValue(); if (DateUtil.isCellDateFormatted(cell)) { val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换 } else { if ((Double) val % 1 != 0) { val = new BigDecimal(val.toString()); } else { val = new DecimalFormat("0").format(val); } } } else if (cell.getCellType() == CellType.STRING) { val = cell.getStringCellValue(); } else if (cell.getCellType() == CellType.BOOLEAN) { val = cell.getBooleanCellValue(); } else if (cell.getCellType() == CellType.ERROR) { val = cell.getErrorCellValue(); } } } catch (Exception e) { return val; } return val; } /** * 判断是否是空行 * * @param row 判断的行 * @return */ private boolean isRowEmpty(Row row) { if (row == null) { return true; } for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) { Cell cell = row.getCell(i); if (cell != null && cell.getCellType() != CellType.BLANK) { return false; } } return true; } /** * 获取Excel2003图片 * * @param sheet 当前sheet对象 * @param workbook 工作簿对象 * @return Map key:图片单元格索引(1_1)String,value:图片流PictureData */ public static Map<String, PictureData> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook) { Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>(); List<HSSFPictureData> pictures = workbook.getAllPictures(); if (!pictures.isEmpty()) { for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren()) { HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor(); if (shape instanceof HSSFPicture) { HSSFPicture pic = (HSSFPicture) shape; int pictureIndex = pic.getPictureIndex() - 1; HSSFPictureData picData = pictures.get(pictureIndex); String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1()); sheetIndexPicMap.put(picIndex, picData); } } return sheetIndexPicMap; } else { return sheetIndexPicMap; } } /** * 获取Excel2007图片 * * @param sheet 当前sheet对象 * @param workbook 工作簿对象 * @return Map key:图片单元格索引(1_1)String,value:图片流PictureData */ public static Map<String, PictureData> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook) { Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>(); for (POIXMLDocumentPart dr : sheet.getRelations()) { if (dr instanceof XSSFDrawing) { XSSFDrawing drawing = (XSSFDrawing) dr; List<XSSFShape> shapes = drawing.getShapes(); for (XSSFShape shape : shapes) { if (shape instanceof XSSFPicture) { XSSFPicture pic = (XSSFPicture) shape; XSSFClientAnchor anchor = pic.getPreferredSize(); CTMarker ctMarker = anchor.getFrom(); String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol(); sheetIndexPicMap.put(picIndex, pic.getPictureData()); } } } } return sheetIndexPicMap; } /** * 格式化不同类型的日期对象 * * @param dateFormat 日期格式 * @param val 被格式化的日期对象 * @return 格式化后的日期字符 */ public String parseDateToStr(String dateFormat, Object val) { if (val == null) { return ""; } String str; if (val instanceof Date) { str = DateUtils.parseDateToStr(dateFormat, (Date) val); } else if (val instanceof LocalDateTime) { str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val)); } else if (val instanceof LocalDate) { str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val)); } else { str = val.toString(); } return str; } }
/** * 自定义导出Excel数据注解 * * @author ruoyi */ @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.FIELD) public @interface Excel { /** * 导出时在excel中排序 */ public int sort() default Integer.MAX_VALUE; /** * 导出到Excel中的名字. */ public String name() default ""; /** * 日期格式, 如: yyyy-MM-dd */ public String dateFormat() default ""; /** * 如果是字典类型,请设置字典的type值 (如: sys_user_sex) */ public String dictType() default ""; /** * 读取内容转表达式 (如: 0=男,1=女,2=未知) */ public String readConverterExp() default ""; /** * 分隔符,读取字符串组内容 */ public String separator() default ","; /** * BigDecimal 精度 默认:-1(默认不开启BigDecimal格式化) */ public int scale() default -1; /** * BigDecimal 舍入规则 默认:BigDecimal.ROUND_HALF_EVEN */ public int roundingMode() default BigDecimal.ROUND_HALF_EVEN; /** * 导出时在excel中每个列的高度 单位为字符 */ public double height() default 14; /** * 导出时在excel中每个列的宽 单位为字符 */ public double width() default 16; /** * 文字后缀,如% 90 变成90% */ public String suffix() default ""; /** * 当值为空时,字段的默认值 */ public String defaultValue() default ""; /** * 提示信息 */ public String prompt() default ""; /** * 设置只能选择不能输入的列内容. */ public String[] combo() default {}; /** * 是否导出数据,应对需求:有时我们需要导出一份模板,这是标题需要但内容需要用户手工填写. */ public boolean isExport() default true; /** * 另一个类中的属性名称,支持多级获取,以小数点隔开 */ public String targetAttr() default ""; /** * 是否自动统计数据,在最后追加一行统计数据总和 */ public boolean isStatistics() default false; /** * 导出类型(0数字 1字符串) */ public ColumnType cellType() default ColumnType.STRING; /** * 导出字体颜色 */ public IndexedColors color() default IndexedColors.BLACK; /** * 导出字段对齐方式 */ public HorizontalAlignment align() default HorizontalAlignment.CENTER; /** * 自定义数据处理器 */ public Class<?> handler() default ExcelHandlerAdapter.class; /** * 自定义数据处理器参数 */ public String[] args() default {}; public enum Align { AUTO(0), LEFT(1), CENTER(2), RIGHT(3); private final int value; Align(int value) { this.value = value; } public int value() { return this.value; } } /** * 字段类型(0:导出导入;1:仅导出;2:仅导入) */ Type type() default Type.ALL; public enum Type { ALL(0), EXPORT(1), IMPORT(2); private final int value; Type(int value) { this.value = value; } public int value() { return this.value; } } public enum ColumnType { NUMERIC(0), STRING(1), IMAGE(2); private final int value; ColumnType(int value) { this.value = value; } public int value() { return this.value; } } }
/** * 参数配置表 sys_config * * @author ruoyi */ public class SysConfig extends BaseEntity { private static final long serialVersionUID = 1L; /** 参数主键 */ @Excel(name = "参数主键", cellType = ColumnType.NUMERIC) private Long configId; /** 参数名称 */ @Excel(name = "参数名称") private String configName; /** 参数键名 */ @Excel(name = "参数键名") private String configKey; /** 参数键值 */ @Excel(name = "参数键值") private String configValue; /** 系统内置(Y是 N否) */ @Excel(name = "系统内置", readConverterExp = "Y=是,N=否") private String configType; @Excel(name = "访问时间", width = 30, dateFormat = "yyyy-MM-dd HH:mm:ss") private Date loginTime; ----- }
/**
* 导出定时任务列表
*/
@PreAuthorize("@ss.hasPermi('monitor:job:export')")
@Log(title = "定时任务", businessType = BusinessType.EXPORT)
@PostMapping("/export")
public void export(HttpServletResponse response, SysJob sysJob)
{
List<SysJob> list = jobService.selectJobList(sysJob);
//实际就这两句,实现的导出
ExcelUtil<SysJob> util = new ExcelUtil<SysJob>(SysJob.class);
util.exportExcel(response, list, "定时任务");
}
@Log(title = "用户管理", businessType = BusinessType.IMPORT)
@PreAuthorize("@ss.hasPermi('system:user:import')")
@PostMapping("/importData")
public AjaxResult importData(MultipartFile file, boolean updateSupport) throws Exception
{
//实际就这两句,实现的导入
ExcelUtil<SysUser> util = new ExcelUtil<SysUser>(SysUser.class);
List<SysUser> userList = util.importExcel(file.getInputStream());
String operName = getUsername();
String message = userService.importUser(userList, updateSupport, operName);
return AjaxResult.success(message);
}
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