excel解析工具类

<span style="font-family:Microsoft YaHei;font-size:14px;">public class FileExcelOperation {private WritableWorkbook fWorkBook = null;private WritableWorkbook newReadBook = null;private Workbook fReadBook = null;/*** 创建读取EXCEL* @param fileName* @return*/public Workbook readExcel(String fileName){File f = new File(fileName);if (!f.exists()){throw new SystemException("文件不存在");}try {fReadBook = Workbook.getWorkbook(f);} catch (Exception e) {throw new SystemException(e.getMessage());}return fReadBook;}/*** 获取数据页通过索引* TODO* * @param index* @return Sheet* * history**/public Sheet readSheet(int index){if(fReadBook == null){throw new SystemException("读取EXCEL工作薄不能为空");}return fReadBook.getSheet(index);}/*** 获取数据页通过页签* TODO* * @param name* @return Sheet* * history**/public Sheet readSheet(String name){if(fReadBook == null){throw new SystemException("读取EXCEL工作薄不能为空");}return fReadBook.getSheet(name);}public Cell getCell(Sheet activeSheet , int col , int row){return activeSheet.getCell(col , row);}public String getCellValue(Sheet activeSheet , int col , int row){return activeSheet.getCell(col , row).getContents().toString();}public int getRowCount(Sheet activeSheet){return activeSheet.getRows();}public int getColumnCount(Sheet activeSheet){return activeSheet.getColumns();}/*** 创建写入EXCEL* @param fileName* @return*/public WritableWorkbook openExcel(String fileName){if (fWorkBook == null){String str = fileName.substring(0 , fileName.lastIndexOf(File.separator));File dir = new File(str+File.separator);if (!dir.exists()){dir.mkdirs();}}File f = new File(fileName);try {fWorkBook = Workbook.createWorkbook(f);} catch (IOException e) {throw new SystemException(e.getMessage());}return fWorkBook;}public WritableWorkbook copeWritableWorkbook(String fileName){String str = fileName.substring(0 , fileName.lastIndexOf(File.separator));File dir = new File(str+File.separator);if (!dir.exists()){dir.mkdirs();}try {newReadBook = Workbook.createWorkbook(new File(fileName), fReadBook);} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}return newReadBook;}public WritableSheet getNewSheet(int index){return newReadBook.getSheet(index);}public WritableSheet getSheet(int index){return fWorkBook.getSheet(index);}public WritableSheet getSheet(String name){return fWorkBook.getSheet(name);}public WritableSheet createSheet(String name){return fWorkBook.createSheet(name, 0);}public WritableSheet createSheet(String name , int index){return fWorkBook.createSheet(name, index);}public Cell getCell(WritableSheet activeSheet , int col , int row){return activeSheet.getCell(col , row);}public String getCellValue(WritableSheet activeSheet , int col , int row){return activeSheet.getCell(col , row).getContents().toString();}public void setCellValue(WritableSheet activeSheet , int col , int row , String value){try {activeSheet.addCell(new Label(col, row, value));} catch (Exception e) {throw new SystemException(e.getMessage());} }public int getRowCount(WritableSheet activeSheet){return activeSheet.getRows();}public int getColumnCount(WritableSheet activeSheet){return activeSheet.getColumns();}/*** * @param activeSheet 激活页* @param l 数据LIST* @param cap 头LIST* @param sort 排序LIST* @param startRow 起始行* @param startCol 起始列*/@SuppressWarnings("unused")public void setExcelValue(WritableSheet activeSheet , List l , List cap , List sort , int startRow , int startCol){if (l.size() <=0){return;}int row = startRow ;if (cap != null && cap.size()>0){for (int i = 0 ; i<cap.size() ; i++){setCellValue(activeSheet , startCol +i , startRow , cap.get(i).toString());}} else {if (sort != null && sort.size()>0){    for (int r = 0 ; r < sort.size() ;r++){Map m = (Map)l.get(0);Iterator it = m.entrySet().iterator();int i =0;while(it.hasNext()){Map.Entry t = (Map.Entry) it.next();if (sort.get(r).toString().equals(t.getKey().toString())){setCellValue(activeSheet , startCol +r , startRow , t.getKey().toString());    i++;break;}   i++;}}} else {Map m = (Map)l.get(0);Iterator it = m.entrySet().iterator();int i =0;while(it.hasNext()){Map.Entry t = (Map.Entry) it.next();setCellValue(activeSheet , startCol +i , startRow , t.getKey().toString());   i++;}}}row += 1;if (sort != null && sort.size()>0){for (int i = 0 ; i<l.size() ; i++){Map m = (Map)l.get(i);for (int c = 0 ; c<sort.size() ; c++){if (m.containsKey(sort.get(c).toString())){setCellValue(activeSheet , startCol +c , row +i  , m.get(sort.get(c).toString()).toString());}}}} else {for (int i = 0 ; i<l.size() ; i++){Map m = (Map)l.get(i);Iterator it = m.entrySet().iterator();int r =0;while(it.hasNext()){Map.Entry t = (Map.Entry) it.next();setCellValue(activeSheet , startCol +r , row +i  , t.getValue().toString());    r ++;}}}}public WritableSheet setSheetExcelValue(int index, int startRow, int startCol, String value){WritableSheet r = null;r = this.getNewSheet(index);setCellValue(r, startRow, startCol, value);return r;}public WritableSheet newSheetExcelValue(String sheetName , int index , List l , List cap , List sort , int startRow , int startCol){WritableSheet r = null;r = this.createSheet(sheetName, index);setExcelValue(r , l , cap ,sort, startRow , startCol);return r;}public WritableSheet newSheetExcelValue(String sheetName , List l , List cap , List sort , int startRow , int startCol){WritableSheet r = null;r = this.createSheet(sheetName, 0);setExcelValue(r , l , cap , sort ,startRow , startCol);return r;}public WritableSheet newSheetExcelValue(String sheetName , List l , List cap ,List sort ){WritableSheet r = null;r = this.createSheet(sheetName, 0);setExcelValue(r , l , cap ,sort, 0 , 0);return r;}public WritableSheet newSheetExcelValue( List l , List cap , List sort){WritableSheet r = null;r = this.createSheet("新建sheet1", 0);setExcelValue(r , l , cap ,sort , 0 , 0);return r;}public WritableSheet newSheetExcelValue( List l , List sort){WritableSheet r = null;r = this.createSheet("新建sheet1", 0);setExcelValue(r , l , null ,sort, 0 , 0);return r;}public void saveQuit(){try {if (fWorkBook != null){fWorkBook.write();fWorkBook.close();fWorkBook = null;}if (newReadBook != null){newReadBook.write();newReadBook.close();newReadBook = null;}if (fReadBook != null){fReadBook.close();fReadBook = null;}} catch (Exception e) {throw new SystemException(e.getMessage());}}public void withoutSaveQuit(){try {if (fWorkBook != null){fWorkBook.close();fWorkBook = null;}if (newReadBook != null){newReadBook.close();newReadBook = null;}if (fReadBook != null){fReadBook.close();fReadBook = null;}} catch (Exception e) {throw new SystemException(e.getMessage());}}}
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