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如何读取 ExpertOption 上的柴金波动率振荡器？
如果发生了崩溃，如何读取 Windows 中所创建的小存储器转储文件
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用jxl如何读取excel公式的计算结果
jxl自带的包里有个公式的demo的,你试试看
--------------------------------------
/*********************************************************************
*
* Copyright (C) 2002 Andrew Khan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
***************************************************************************/
import java.io.File;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.BufferedWriter;
import java.io.IOException;
import 如何读取 ExpertOption 上的柴金波动率振荡器？ java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Iterator;
import jxl.Workbook;
import jxl.Sheet;
import jxl.Cell;
import jxl.CellType;
import jxl.FormulaCell;
import jxl.biff.CellReferenceHelper;
import jxl.biff.formula.FormulaParser;
import jxl.biff.formula.ExternalSheet;
import jxl.biff.formula.FormulaException;
/**
* Goes through each cell in the workbook, and if the contents of that
* cell is a formula, it prints out the last calculated value and
* the formula string
*/
public class Formulas
<
/**
* Constructor
*
* @param w The workbook to interrogate
* @param out The output stream to which the CSV values are written
* @param 如何读取 ExpertOption 上的柴金波动率振荡器？ encoding The encoding used by the output stream. Null or
* unrecognized values cause the encoding to default to UTF8
* @exception java.io.IOException
*/
public Formulas(Workbook w, OutputStream out, String encoding)
throws IOException
<
if (encoding == null || !encoding.equals("UnicodeBig"))
<
encoding = "UTF8";
>
try
<
OutputStreamWriter osw = new OutputStreamWriter(out, encoding);
BufferedWriter bw = new BufferedWriter(osw);
ArrayList parseErrors = new ArrayList();
for (int sheet = 0; sheet < w.getNumberOfSheets(); sheet++)
<
Sheet s = w.getSheet(sheet);
Cell[] row = null;
Cell c = null;
for (int j = 0; j < row.length; j++)
<
c = row[j];
if (c.getType() == CellType.NUMBER_FORMULA ||
c.getType() == CellType.STRING_FORMULA ||
c.getType() == CellType.BOOLEAN_FORMULA ||
c.getType() == CellType.DATE_FORMULA ||
c.getType() == CellType.FORMULA_ERROR)
<
FormulaCell nfc = (FormulaCell) c;
StringBuffer sb = new StringBuffer();
CellReferenceHelper.getCellReference
(c.getColumn(), c.getRow(), sb);
try
<
bw.write("Formula in " + sb.toString() +
" value: " + c.getContents());
bw.flush();
bw.write(" formula: " + nfc.getFormula());
bw.flush();
bw.newLine();
>
catch (FormulaException e)
<
bw.newLine();
parseErrors.add(sb.toString() + ": " + e.getMessage());
>
>
>
>
>
bw.flush();
bw.close();
if (parseErrors.如何读取 ExpertOption 上的柴金波动率振荡器？ size() > 0)
<
System.err.println();
System.err.println("There were " + parseErrors.size() + " errors");
Iterator i = parseErrors.iterator();
while (i.hasNext())
<
System.err.println(i.next());
>
>
>
catch (UnsupportedEncodingException e)
<
System.err.println(e.toString());
>
>