From a5e38f6f9993ad34c3d0566762d71d1093ef88d4 Mon Sep 17 00:00:00 2001 From: RuoYi <yzz_ivy@163.com> Date: 星期三, 08 九月 2021 09:28:23 +0800 Subject: [PATCH] 菜单管理支持配置路由参数 --- ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 303 ++++++++++++++++++++++++++++++++++++++----------- 1 files changed, 233 insertions(+), 70 deletions(-) diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java index dcba68e..54157f3 100644 --- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java +++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java @@ -18,6 +18,14 @@ import java.util.Set; import java.util.UUID; import java.util.stream.Collectors; +import javax.servlet.http.HttpServletResponse; +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; @@ -32,15 +40,23 @@ 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.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; @@ -50,11 +66,12 @@ 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.CustomException; +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; @@ -116,12 +133,12 @@ * 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 */ @@ -168,24 +185,24 @@ this.type = Type.IMPORT; this.wb = WorkbookFactory.create(is); List<T> list = new ArrayList<T>(); - Sheet sheet = null; - if (StringUtils.isNotEmpty(sheetName)) - { - // 如果指定sheet名,则取指定sheet中的内容. - sheet = wb.getSheet(sheetName); - } - else - { - // 如果传入的sheet名不存在则默认指向第1个sheet. - sheet = wb.getSheetAt(0); - } - + // 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"); } - - int rows = sheet.getPhysicalNumberOfRows(); + 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) { @@ -225,10 +242,15 @@ } } } - for (int i = 1; i < rows; i++) + for (int i = 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, Field> entry : fieldsMap.entrySet()) { @@ -311,6 +333,16 @@ { val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator()); } + else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures)) + { + PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey()); + if (image == null) + { + val = ""; + } + byte[] data = image.getData(); + val = FileUtils.writeImportBytes(data); + } ReflectUtils.invokeSetter(entity, propertyName, val); } } @@ -336,6 +368,23 @@ /** * 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 + * @throws IOException + */ + public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) throws IOException + { + response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); + response.setCharacterEncoding("utf-8"); + this.init(list, sheetName, Type.EXPORT); + exportExcel(response.getOutputStream()); + } + + /** + * 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 */ @@ -348,6 +397,43 @@ /** * 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) throws IOException + { + response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); + response.setCharacterEncoding("utf-8"); + this.init(null, sheetName, Type.IMPORT); + exportExcel(response.getOutputStream()); + } + + /** + * 对list数据源将其里面的数据导入到excel表单 + * + * @return 结果 + */ + public void exportExcel(OutputStream out) + { + try + { + writeSheet(); + wb.write(out); + } + catch (Exception e) + { + log.error("导出Excel异常{}", e.getMessage()); + } + finally + { + IOUtils.closeQuietly(wb); + IOUtils.closeQuietly(out); + } + } + + /** + * 对list数据源将其里面的数据导入到excel表单 + * * @return 结果 */ public AjaxResult exportExcel() @@ -355,27 +441,7 @@ OutputStream out = null; try { - // 取出一共有多少个sheet. - double sheetNo = Math.ceil(list.size() / sheetSize); - for (int index = 0; index <= sheetNo; index++) - { - createSheet(sheetNo, index); - - // 产生一行 - Row row = sheet.createRow(0); - 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(); - } - } + writeSheet(); String filename = encodingFilename(sheetName); out = new FileOutputStream(getAbsoluteFile(filename)); wb.write(out); @@ -384,31 +450,39 @@ catch (Exception e) { log.error("导出Excel异常{}", e.getMessage()); - throw new CustomException("导出Excel失败,请联系网站管理员!"); + throw new UtilException("导出Excel失败,请联系网站管理员!"); } finally { - if (wb != null) + 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. + double sheetNo = Math.ceil(list.size() / sheetSize); + for (int index = 0; index <= sheetNo; index++) + { + createSheet(sheetNo, index); + + // 产生一行 + Row row = sheet.createRow(0); + int column = 0; + // 写入各个字段的列头名称 + for (Object[] os : fields) { - try - { - wb.close(); - } - catch (IOException e1) - { - e1.printStackTrace(); - } + Excel excel = (Excel) os[1]; + this.createCell(excel, row, column++); } - if (out != null) + if (Type.EXPORT.equals(type)) { - try - { - out.close(); - } - catch (IOException e1) - { - e1.printStackTrace(); - } + fillExcelData(index, row); + addStatisticsRow(); } } } @@ -480,7 +554,7 @@ headerFont.setColor(IndexedColors.WHITE.getIndex()); style.setFont(headerFont); styles.put("header", style); - + style = wb.createCellStyle(); style.setAlignment(HorizontalAlignment.CENTER); style.setVerticalAlignment(VerticalAlignment.CENTER); @@ -537,12 +611,14 @@ } else if (ColumnType.NUMERIC == attr.cellType()) { - cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value)); + 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); + 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)) { @@ -552,7 +628,7 @@ } } } - + /** * 获取画布 */ @@ -795,7 +871,7 @@ } return StringUtils.stripEnd(propertyString.toString(), separator); } - + /** * 解析字典值 * @@ -821,7 +897,7 @@ { return DictUtils.getDictValue(dictType, dictLabel, separator); } - + /** * 合计统计信息 */ @@ -852,13 +928,12 @@ { if (statistics.size() > 0) { - Cell cell = null; Row row = sheet.createRow(sheet.getLastRowNum() + 1); Set<Integer> keys = statistics.keySet(); - cell = row.createCell(0); + Cell cell = row.createCell(0); cell.setCellStyle(styles.get("total")); cell.setCellValue("合计"); - + for (Integer key : keys) { cell = row.createCell(key); @@ -976,7 +1051,7 @@ this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList()); this.maxHeight = getRowHeight(); } - + /** * 根据注解获取最大行高 */ @@ -1090,4 +1165,92 @@ } return val; } -} \ No newline at end of file + + /** + * 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; + } +} -- Gitblit v1.9.2