1. [代码][Java]代码 跳至 [1] [全屏预览]
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 | package com.rf.dtd.systemsupport.dataImport.common;import com.rf.dtd.datacommons.JsonUtil;import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import java.math.BigDecimal;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.HashMap;import java.util.LinkedHashMap;import java.util.List;import java.util.Map;import java.util.Arrays;import java.util.regex.Matcher;import java.util.regex.Pattern;import org.apache.poi.hssf.usermodel.HSSFCellStyle;import org.apache.poi.hssf.util.PaneInformation;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.CellStyle;import org.apache.poi.ss.usermodel.DateUtil;import org.apache.poi.ss.usermodel.Font;import org.apache.poi.ss.usermodel.IndexedColors;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.ss.usermodel.Sheet;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.CellReference;import org.apache.poi.xssf.usermodel.XSSFCellStyle;/** * 主要提供对Excel的各种处理,侧重点是取数据 * * @author 李元元 * */public class POIExcelUtil { static SimpleDateFormat sFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); static short[] yyyyMMdd = {14, 31, 57, 58, 179, 184, 185, 186, 187, 188}; static short[] HHmmss = {20, 32, 190, 191, 192}; static List<short[]> yyyyMMddList = Arrays.asList(yyyyMMdd); static List<short[]> hhMMssList = Arrays.asList(HHmmss); /** * 根据路径,获取WorkBook对象 * * @param filePath 文件路径 * @return workbook * @throws Exception */ public static Workbook getExcelWorkbook(String filePath) throws Exception { Workbook workbook = null; File file = new File(filePath); if (file.exists()) { workbook = getWorkBookByStream(new FileInputStream(file)); } return workbook; } /** * 根据输入流ins获取WorkBook对象 * * @param ins 输入流 * @return workbook * @throws Exception */ public static Workbook getWorkBookByStream(InputStream ins) throws Exception { return WorkbookFactory.create(ins); } /** * 根据Workbook,sheetIndex获取sheet对象 * * @param book WorkBook对象 * @param number sheetIndex ,从1开始 * @return sheet * @throws Exception */ public static Sheet getSheetByNum(Workbook book, int number) throws Exception { return book.getSheetAt(number - 1); } /** * 根据 Workbook对象返回该Workbook对象中所有sheet的Map数组. * * @param book * @return Map<sheetIndex , sheetName> * @throws Exception */ public static Map<Integer, String> getSheetNameByBook(Workbook book) throws Exception { Map<Integer, String> map = new LinkedHashMap<Integer, String>(); int sheetNum = book.getNumberOfSheets(); for (int indexSheet = 1; indexSheet <= sheetNum; indexSheet++) { Sheet sheet = getSheetByNum(book, indexSheet); map.put(indexSheet, sheet.getSheetName()); } return map; } /** * 获取workbook数据Map集合 * * @param book * @return Map<Integer, List<List<String>>> @ * throws Exception */ public static Map<Integer, List<List<String>>> getWorkbookDatas(Workbook book) throws Exception { Map<Integer, List<List<String>>> bookdatas = new HashMap<Integer, List<List<String>>>(); int sheetNum = book.getNumberOfSheets(); for (int indexSheet = 1; indexSheet <= sheetNum; indexSheet++) { Sheet sheet = getSheetByNum(book, indexSheet); bookdatas.put(indexSheet, getSheetDataList(sheet)); } return bookdatas; } /** * 获取sheet中的数据 * * @param sheet * @return List<List<String>> @ * throws Exception */ public static List<List<String>> getSheetDataList(Sheet sheet) throws Exception { List<List<String>> sheetdatas = new ArrayList<List<String>>(); //需要先合并单元格数据 mergedRegion(sheet); int lastRowNum = getRowNum(sheet); int lastCellNum = getColumnNum(sheet); for (int i = 0; i < lastRowNum; i++) { Row row = sheet.getRow(i); sheetdatas.add(getRowDataList(sheet, row, lastCellNum)); } return sheetdatas; } /** * 获取的数据对象是符合easyui格式的标准JSON对象数据集[{A:x,B:xx,C:xxx},{A:x,B:xx,C:xxx}] * * @param sheet * @return */ public static List<Map<String, String>> getSheetDataMap(Sheet sheet) { List<Map<String, String>> sheetdatas = new ArrayList<Map<String, String>>(); int lastRowNum = getRowNum(sheet); Row row; for (int i = 0; i < lastRowNum; i++) { row = sheet.getRow(i); Map<String, String> map = getRowDataMap(sheet, row); if (!map.isEmpty()) { sheetdatas.add(map); } } return sheetdatas; } /** * 获取的数据对象是符合dHtml格式的非标准JSON对象数据集[{id:1 , data:[x,xx,xxx]},{id:2 * ,data:[x,xx,xxx]}] * * @param sheet * @return */ public static List<Map<String, Object>> getSheetDataMapAndId(Sheet sheet) throws Exception { List<Map<String, Object>> sheetdatas = new ArrayList<Map<String, Object>>(); List<List<String>> sheetLists = getSheetDataList(sheet); for (int i = 0; i < sheetLists.size(); i++) { Map<String, Object> dataMap = new HashMap<String, Object>(); dataMap.put("id", i); dataMap.put("data", sheetLists.get(i)); sheetdatas.add(dataMap); } return sheetdatas; } /** * 读取一行的数据,返回的是数据集合List,[x,xx,xxx] * * @param row */ public static List<String> getRowDataList(Sheet sheet, Row row, int lastCellNum) { List<String> rowdatas = new ArrayList<String>(); if (row == null) { for (int i = 0; i < lastCellNum; i++) { rowdatas.add(""); } } else { for (int i = 0; i < lastCellNum; i++) { rowdatas.add(getCellData(row.getCell(i))); } } return rowdatas; } /** * 获取一行的数据集合,体现的是Map<String , String>{A:x,B:xx,C:xxx} * * @param row * @return */ public static Map<String, String> getRowDataMap(Sheet sheet, Row row) { Map<String, String> rowdatas = new LinkedHashMap<String, String>(); String cellVaue; int columnNum = 0; int lastCellNum = getColumnNum(sheet); for (int j = 0; j < lastCellNum; j++) { cellVaue = getCellData(row.getCell(j)); rowdatas.put(getCharByNum(columnNum) + "", cellVaue); columnNum = columnNum + 1; } return rowdatas; } /** * 获取指定Sheet中指定一列的数据. * * @param sheet 指定的Sheet * @param colIndex 指定的列 * @return * @throws Exception */ public static List<String> getColumnDataList(Sheet sheet, int colIndex) throws Exception { List<String> coldatas = new ArrayList<String>(); int lastRowNum = getRowNum(sheet); for (int i = 0; i < lastRowNum; i++) { coldatas.add(getSheetCellValueWithRowIndexAndColIndex(sheet, i, colIndex)); } return coldatas; } /** * 返回指定sheet页的最大行数,例如:25,则表示下标从0...24 * * @param book * @param sheetIndex * @return */ public static int getRowNum(Sheet sheet) { return sheet.getLastRowNum() + 1; } /** * 返回指定sheet页的最大列数,例如:25,则表示下标从0...24 * * @param book * @param sheetIndex * @return 列数 */ public static int getColumnNum(Sheet sheet) { int maxclNum = 0; int lastRowNum = getRowNum(sheet); for (int i = 0; i < lastRowNum; i++) { if (sheet.getRow(i) != null) { int tempNum = sheet.getRow(i).getLastCellNum(); if (tempNum > maxclNum) { maxclNum = tempNum; } } } return maxclNum; } /** * 获取单元格的名称 按照excel常见的名称 例如A1 * * @param int rowInt 行数 从0开始 * @param int columnInt 列数 从0开始 * @return String */ public static String getCellName(int rowInt, int columnInt) { CellReference cellReference = new CellReference(rowInt, columnInt); return cellReference.formatAsString(); } /** * 获取指定单元格的行坐标 * * @param cellName 例如A1 * @return 2 */ public static int getCellRowIndex(String cellName) { CellReference cellReference = new CellReference(cellName); return cellReference.getRow(); } /** * 获取指定单元格的列坐标 * * @param cellName 例如A1 * @return 0 */ public static int getCellColIndex(String cellName) { CellReference cellReference = new CellReference(cellName); return cellReference.getCol(); } /** * 获取指定sheet中指定rowNum和cellNum的值 * * @param sheet * @param rowNum * @param cellNum * @return * @throws Exception */ public static String getSheetCellValueWithRowIndexAndColIndex(Sheet sheet, int rowNum, int cellNum) throws Exception { Row row = sheet.getRow(rowNum); Cell cell = row.getCell(cellNum); return getCellData(cell); } /** * 获取给定SHEET中指定单元格的值 * * @param sheet 指定SHEET * @param cellName 格式为：A1,B3 * @return */ public static String getSheetCellValueWithCellName(Sheet sheet, String cellName) { CellReference cellReference = new CellReference(cellName); Row row = sheet.getRow(cellReference.getRow()); Cell cell = row.getCell(cellReference.getCol()); return getCellData(cell); } /** * 获得cell单元格的TypeNumber,范围是0~5 * * @param cell * @return */ public static int getColumnTypeNumber(Cell cell) { if (cell != null) { int type = cell.getCellType(); return type; } return -1; } /** * 获取指定Sheet页 所有合并单元格数据信息 * * @param sheet * @return List<Map<String, String>> */ public static List<Map<String, String>> getSheetRegion(Sheet sheet) { List<Map<String, String>> list = new ArrayList<Map<String, String>>(); //合并的单元格数量 int merged = sheet.getNumMergedRegions(); //预读合并的单元格 for (int i = 0; i < merged; i++) { CellRangeAddress range = sheet.getMergedRegion(i); Map<String, String> map = new LinkedHashMap<String, String>(); int colstart = range.getFirstColumn(); int colend = range.getLastColumn(); int rowstart = range.getFirstRow(); int rowend = range.getLastRow(); map.put("colstart", colstart + ""); map.put("colend", colend + ""); map.put("rowstart", rowstart + ""); map.put("rowend", rowend + ""); map.put("field", getCharByNum(colstart)); map.put("colspan", (colend - colstart + 1) + ""); map.put("rowspan", (rowend - rowstart + 1) + ""); map.put("index", rowstart + ""); list.add(map); } return list; } /** * 获取sheet中指定column的列宽度,这里的宽度是近似宽度,不是很精确 * * @param sheet * @param cloumI * @return */ public static int getColumnWidth(Sheet sheet, int cloumI) { return new BigDecimal(sheet.getColumnWidth(cloumI) * 37 / 1200).setScale(0, BigDecimal.ROUND_HALF_UP).intValue(); } /** * 获取sheet中指定column的列宽度集合,这里的宽度是近似宽度,不是很精确 * * @param sheet * @return */ public static List<Integer> getColumnWidths(Sheet sheet) { List<Integer> columnWidths = new ArrayList<Integer>(); int lastCellNum = getColumnNum(sheet); for (int i = 0; i < lastCellNum; i++) { columnWidths.add(new BigDecimal(sheet.getColumnWidth(i) * 37 / 1200).setScale(0, BigDecimal.ROUND_HALF_UP).intValue()); } return columnWidths; } /** * 获取一个Sheet的冻结信息,包括冻结列和冻结行 * * @param sheet * @return * @throws Exception */ public static Map<String, Short> getSheetFrazenColAndRow(Sheet sheet) throws Exception { Map<String, Short> frazenMap = new HashMap<String, Short>(); PaneInformation paneInformation = sheet.getPaneInformation(); if (paneInformation != null) { //有多少列是冻结的 frazenMap.put("freezeCol", paneInformation.getVerticalSplitLeftColumn()); //有多少行是冻结 frazenMap.put("freezeRow", paneInformation.getHorizontalSplitTopRow()); } return frazenMap; } /** * 获取单元中值(字符串类型) * * @param cell * @return */ public static String getCellData(Cell cell) { String cellValue = ""; if (cell != null) { try { switch (cell.getCellType()) { case Cell.CELL_TYPE_BLANK://空白 cellValue = ""; break; case Cell.CELL_TYPE_NUMERIC: //数值型 0----日期类型也是数值型的一种 if (DateUtil.isCellDateFormatted(cell)) { short format = cell.getCellStyle().getDataFormat(); if (yyyyMMddList.contains(format)) { sFormat = new SimpleDateFormat("yyyy-MM-dd"); } else if (hhMMssList.contains(format)) { sFormat = new SimpleDateFormat("HH:mm:ss"); } Date date = cell.getDateCellValue(); cellValue = sFormat.format(date); } else { Double numberDate = new BigDecimal(cell.getNumericCellValue()).setScale(4, BigDecimal.ROUND_HALF_UP).doubleValue(); cellValue = numberDate + ""; } break; case Cell.CELL_TYPE_STRING: //字符串型 1 cellValue = replaceBlank(cell.getStringCellValue()); break; case Cell.CELL_TYPE_FORMULA: //公式型 2 cell.setCellType(Cell.CELL_TYPE_STRING); cellValue = replaceBlank(cell.getStringCellValue()); break; case Cell.CELL_TYPE_BOOLEAN: //布尔型 4 cellValue = String.valueOf(cell.getBooleanCellValue()); break; case Cell.CELL_TYPE_ERROR: //错误 5 cellValue = "!#REF!"; break; } } catch (Exception e) { System.out.println("读取Excel单元格数据出错：" + e.getMessage()); return cellValue; } } return cellValue; } public static String replaceBlank(String source) { String dest = ""; if (source != null) { Pattern p = Pattern.compile("\s*| |
|
"); Matcher m = p.matcher(source); dest = m.replaceAll(""); } return dest; } /** * 给SHEET某一个单元格赋值 * * @param sheet 指定单元格 * @param rowNum 行号 * @param cellNum 列号 * @param value 值 */ public static void setCellValue(Sheet sheet, int rowNum, int cellNum, String value) { Row row = sheet.getRow(rowNum); Cell cell = row.getCell(cellNum); if (cell == null) { row.createCell(cellNum).setCellValue(value); } else { cell.setCellValue(value); } } public static void mergedRegion(Sheet sheet) throws Exception { //合并的单元格数量 int merged = sheet.getNumMergedRegions(); //预读合并的单元格 for (int i = 0; i < merged; i++) { CellRangeAddress range = sheet.getMergedRegion(i); int y0 = range.getFirstRow(); int x0 = range.getFirstColumn(); int y1 = range.getLastRow(); int x1 = range.getLastColumn(); String value = getSheetCellValueWithRowIndexAndColIndex(sheet, y0, x0); for (int m = y0; m <= y1; m++) { for (int n = x0; n <= x1; n++) { setCellValue(sheet, m, n, value); } } } } /** * 生成表头名称,A,B,C,D... * * @param number * @return */ public static String getCharByNum(int number) { int index = number / 26 - 1; if (index < 0) { return (char) (65 + number % 26) + ""; } else if (index >= 0) { return (char) (65 + index) + "" + (char) (65 + number % 26) + ""; } return "@"; } /** * 补全String字符串, * * @param str 字符窜 * @param len 长度 * @param pre 补全字符 * @return 补全之后的字符串 */ public static String preFillString(String str, int len, char pre) { int length = len - str.length(); for (int i = 0; i < length; i++) { str = pre + str; } return str; } /** * 获取颜色的HTML表示方式, * * @param str getHexString() * @return */ public static String getColorByHex(String str) { String[] hexString = str.split(":"); String colorRGB = ""; for (int i = 0; i < hexString.length; i++) { hexString[i] = preFillString(hexString[i], 4, '0'); colorRGB += hexString[i].substring(0, 2); } if ("000000".equals(colorRGB)) { colorRGB = ""; } return colorRGB; } /** * 获取颜色 * * @param shortColor * @return */ public static String getColorByShortColor(short shortColor) { String returnColor = ""; for (IndexedColors color : IndexedColors.values()) { if (shortColor == color.getIndex()) { returnColor = color.toString(); } } if ("AUTOMATIC".equals(returnColor)) { returnColor = ""; } return returnColor; } /** * 获取Sheet中所有单元格样式合集 * * @param sheet * @return * @throws Exception */ public static List<Map<String, Object>> getSheetCellStyleMaps(Sheet sheet) throws Exception { List<Map<String, Object>> sheetCellStyles = new ArrayList<Map<String, Object>>(); int lastRowNum = getRowNum(sheet); Row row; for (int i = 0; i < lastRowNum; i++) { row = sheet.getRow(i); if (row == null) { continue; } int columnNumMax = getColumnNum(sheet); for (int j = 0; j < columnNumMax; j++) { Cell cell = row.getCell(j); if (cell == null) { continue; } Map<String, Object> cellMap = getCellStyleMap(sheet, cell); cellMap.put("y", i); cellMap.put("x", j); sheetCellStyles.add(cellMap); } } return sheetCellStyles; } /** * 获取Sheet中,某一个Cell的样式,Cell的背景颜色单独去取,借助于HSSFSheet和XSSFSheet * * @param sheet * @param cell * @return */ public static Map<String, Object> getCellStyleMap(Sheet sheet, Cell cell) { Map<String, Object> cellStyleMap = new HashMap<String, Object>(); Short alignShort = cell.getCellStyle().getAlignment(); String alignment = "c"; if (alignShort == 1) { alignment = "l"; } else if (alignShort == 3) { alignment = "r"; } CellStyle cellStyle = cell.getCellStyle(); Workbook workbook = sheet.getWorkbook(); Font font = workbook.getFontAt(cellStyle.getFontIndex()); cellStyleMap.put("fontColor", getColorByShortColor(font.getColor())); cellStyleMap.put("fontBold", font.getBoldweight()); cellStyleMap.put("fontSize", font.getFontHeightInPoints()); cellStyleMap.put("alignment", alignment); try { HSSFCellStyle hSSFCellStyle = (HSSFCellStyle) cell.getCellStyle(); cellStyleMap.put("cellColor", getColorByHex(hSSFCellStyle.getFillForegroundColorColor().getHexString())); } catch (Exception e) { XSSFCellStyle xSSFCellStyle = (XSSFCellStyle) cell.getCellStyle(); String xssfCellColor = ""; if (xSSFCellStyle.getFillBackgroundColorColor() != null) { xssfCellColor = xSSFCellStyle.getFillForegroundColorColor().getARGBHex().substring(2); } xssfCellColor = "000000".equals(xssfCellColor) ? "" : xssfCellColor; cellStyleMap.put("cellColor", xssfCellColor); } return cellStyleMap; } public static void main(String[] args) throws Exception { Workbook workbook = getExcelWorkbook("D:/test/aa.xlsx"); Sheet sheet = getSheetByNum(workbook, 1); System.out.println(JsonUtil.toJsonString(getSheetDataMapAndId(sheet))); }} |