1public static HSSFWorkbook convert(HSSFWorkbook wb,byte[] rgb){    
  2        short high = wb.getCustomPalette().findSimilarColor(rgb[0], rgb[1], rgb[2]).getIndex();
  3        HSSFWorkbook dest = new HSSFWorkbook();
  4        FormulaEvaluator fe = wb.getCreationHelper().createFormulaEvaluator();
  5        
  6        Sheet sheet = wb.getSheetAt(0);
  7        HashSet<Integer> toCopyColumns = new HashSet<Integer>();
  8        
  9        Cell copyHighCell = null;
 10        Cell copyNormalCell = null;
 11        CellStyle csHigh;
 12        CellStyle csNormal;
 13        //read row
 14        for (Row row:sheet){
 15            for (Cell cell :row){
 16                //find high lighted cell
 17                if (cell.getCellStyle().getFillForegroundColor() == high){
 18                    //hit
 19                    toCopyColumns.add(cell.getColumnIndex());
 20                    copyHighCell = cell;
 21                }else{
 22                    copyNormalCell = cell;
 23                }
 24            }
 25        }
 26        csHigh = dest.createCellStyle();
 27        csNormal = dest.createCellStyle();
 28        if (copyHighCell !=null){
 29            csHigh.cloneStyleFrom(copyHighCell.getCellStyle());
 30            copyHighCell = null;
 31        }
 32        if (copyNormalCell !=null){
 33            csNormal.cloneStyleFrom(copyNormalCell.getCellStyle());
 34            copyNormalCell = null;
 35        }
 36        
 37        
 38        
 39        //read over, toCopyColumns now has all column that need to copy
 40        Integer[] columns = new Integer[toCopyColumns.size()];
 41        toCopyColumns.toArray(columns);
 42        Arrays.sort(columns);
 43        
 44        Sheet destSheet = dest.createSheet("Sheet1");
 45        for (Row row:sheet){
 46            Row newRow = destSheet.createRow(row.getRowNum());
 47            for (int i = 0;i < columns.length;i++){
 48                Cell newCell = newRow.createCell(i);
 49                Cell oldCell = row.getCell(columns[i]);
 50                if (oldCell == null){
 51                    continue;
 52                }
 53                switch (oldCell.getCellType()){
 54                    case Cell.CELL_TYPE_FORMULA:
 55                        CellValue value = fe.evaluate(oldCell);
 56                        //judge the new cell format
 57                        newCell.setCellType(value.getCellType());
 58                        switch (value.getCellType()){
 59                            case Cell.CELL_TYPE_NUMERIC:
 60                                newCell.setCellValue(value.getNumberValue());break;
 61                            case Cell.CELL_TYPE_BOOLEAN:
 62                                newCell.setCellValue(value.getBooleanValue());break;
 63                            case Cell.CELL_TYPE_ERROR:
 64                                newCell.setCellErrorValue(value.getErrorValue());break;
 65                            case Cell.CELL_TYPE_STRING:
 66                                newCell.setCellValue(value.getStringValue());break;
 67                        }
 68                        break;
 69                    case Cell.CELL_TYPE_NUMERIC:
 70                        newCell.setCellValue(oldCell.getNumericCellValue());
 71                        newCell.setCellType(oldCell.getCellType());break;
 72                    case Cell.CELL_TYPE_BOOLEAN:
 73                        newCell.setCellValue(oldCell.getBooleanCellValue());
 74                        newCell.setCellType(oldCell.getCellType());break;
 75                    case Cell.CELL_TYPE_ERROR:
 76                        newCell.setCellErrorValue(oldCell.getErrorCellValue());
 77                        newCell.setCellType(oldCell.getCellType());break;
 78                    case Cell.CELL_TYPE_STRING:
 79                        newCell.setCellValue(oldCell.getStringCellValue());
 80                        newCell.setCellType(oldCell.getCellType());break;
 81                }
 82                if (oldCell.getCellStyle().getFillForegroundColor() == high){
 83                    newCell.setCellStyle(csHigh);
 84                }else{
 85                    newCell.setCellStyle(csNormal);
 86                }
 87                
 88            }
 89        }
 90//        System.out.println(wb.getNumCellStyles());
 91//        System.out.println(dest.getNumCellStyles());
 92        return dest;
 93    }
 94    
 95    public static void main(String args[]) throws FileNotFoundException, IOException{
 96        
 97        HSSFWorkbook wb = new HSSFWorkbook(new FileInputStream("test.xls"));
 98        HSSFWorkbook wb2 = convert (wb,new byte[]{(byte) 0xff,(byte) 0xff,0x0});
 99        wb2.write(new FileOutputStream("tt.xls"));
100    }