From ad76d4301c1b37a316b58a020d70817d3d89fad0 Mon Sep 17 00:00:00 2001 From: RuoYi <yzz_ivy@163.com> Date: 星期二, 21 二月 2023 18:55:30 +0800 Subject: [PATCH] 优化代码 --- src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 90 ++++++++++++++++++++++++++++++++++++++++---- 1 files changed, 81 insertions(+), 9 deletions(-) diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java index fdc87ae..a947425 100644 --- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java +++ b/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; @@ -689,17 +690,24 @@ int rowNo = (1 + rownum) - startNo; for (int i = startNo; i < endNo; i++) { - rowNo = i > 1 ? rowNo + 1 : rowNo + i; + rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo; row = sheet.createRow(rowNo); // 寰楀埌瀵煎嚭瀵硅薄. T vo = (T) list.get(i); Collection<?> subList = null; - if (isSubListValue(vo)) + if (isSubList()) { - subList = getListCellValue(vo); - subMergedLastRowNum = subMergedLastRowNum + subList.size(); + if (isSubListValue(vo)) + { + subList = getListCellValue(vo); + subMergedLastRowNum = subMergedLastRowNum + subList.size(); + } + else + { + subMergedFirstRowNum++; + subMergedLastRowNum++; + } } - int column = 0; for (Object[] os : fields) { @@ -904,6 +912,10 @@ { cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0"); } + if (value instanceof Collection && StringUtils.equals("[]", cellValue)) + { + cellValue = StringUtils.EMPTY; + } cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix()); } else if (ColumnType.NUMERIC == attr.cellType()) @@ -971,8 +983,16 @@ } if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0) { - // 鎻愮ず淇℃伅鎴栧彧鑳介�夋嫨涓嶈兘杈撳叆鐨勫垪鍐呭. - setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column); + if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255) + { + // 濡傛灉涓嬫媺鏁板ぇ浜�15鎴栧瓧绗︿覆闀垮害澶т簬255锛屽垯浣跨敤涓�涓柊sheet瀛樺偍锛岄伩鍏嶇敓鎴愮殑妯℃澘涓嬫媺鍊艰幏鍙栦笉鍒� + setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column); + } + else + { + // 鎻愮ず淇℃伅鎴栧彧鑳介�夋嫨涓嶈兘杈撳叆鐨勫垪鍐呭. + setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column); + } } } @@ -1074,6 +1094,58 @@ dataValidation.setSuppressDropDownArrow(false); } sheet.addValidationData(dataValidation); + } + + /** + * 璁剧疆鏌愪簺鍒楃殑鍊煎彧鑳借緭鍏ラ鍒剁殑鏁版嵁,鏄剧ず涓嬫媺妗嗭紙鍏煎瓒呭嚭涓�瀹氭暟閲忕殑涓嬫媺妗嗭級. + * + * @param sheet 瑕佽缃殑sheet. + * @param textlist 涓嬫媺妗嗘樉绀虹殑鍐呭 + * @param promptContent 鎻愮ず鍐呭 + * @param firstRow 寮�濮嬭 + * @param endRow 缁撴潫琛� + * @param firstCol 寮�濮嬪垪 + * @param endCol 缁撴潫鍒� + */ + public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol) + { + String hideSheetName = "combo_" + firstCol + "_" + endCol; + Sheet hideSheet = wb.createSheet(hideSheetName); // 鐢ㄤ簬瀛樺偍 涓嬫媺鑿滃崟鏁版嵁 + for (int i = 0; i < textlist.length; i++) + { + hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]); + } + // 鍒涘缓鍚嶇О锛屽彲琚叾浠栧崟鍏冩牸寮曠敤 + Name name = wb.createName(); + name.setNameName(hideSheetName + "_data"); + name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length); + DataValidationHelper helper = sheet.getDataValidationHelper(); + // 鍔犺浇涓嬫媺鍒楄〃鍐呭 + DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data"); + // 璁剧疆鏁版嵁鏈夋晥鎬у姞杞藉湪鍝釜鍗曞厓鏍间笂,鍥涗釜鍙傛暟鍒嗗埆鏄細璧峰琛屻�佺粓姝㈣銆佽捣濮嬪垪銆佺粓姝㈠垪 + CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol); + // 鏁版嵁鏈夋晥鎬у璞� + DataValidation dataValidation = helper.createValidation(constraint, regions); + if (StringUtils.isNotEmpty(promptContent)) + { + // 濡傛灉璁剧疆浜嗘彁绀轰俊鎭垯榧犳爣鏀句笂鍘绘彁绀� + dataValidation.createPromptBox("", promptContent); + dataValidation.setShowPromptBox(true); + } + // 澶勭悊Excel鍏煎鎬ч棶棰� + if (dataValidation instanceof XSSFDataValidation) + { + dataValidation.setSuppressDropDownArrow(true); + dataValidation.setShowErrorBox(true); + } + else + { + dataValidation.setSuppressDropDownArrow(false); + } + + sheet.addValidationData(dataValidation); + // 璁剧疆hiddenSheet闅愯棌 + wb.setSheetHidden(wb.getSheetIndex(hideSheet), true); } /** @@ -1249,7 +1321,7 @@ */ public String encodingFilename(String filename) { - filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx"; + filename = UUID.randomUUID() + "_" + filename + ".xlsx"; return filename; } @@ -1526,7 +1598,7 @@ 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); } } -- Gitblit v1.9.3