68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.usermodel.examples;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import org.apache.poi.hssf.usermodel.HSSFCell;
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import org.apache.poi.hssf.usermodel.HSSFRow;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.apache.poi.ss.usermodel.CellType;
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/**
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* This example demonstrates opening a workbook, modifying it and writing
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* the results back out.
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*
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* @author Glen Stampoultzis (glens at apache.org)
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*/
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public class ReadWriteWorkbook {
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public static void main(String[] args) throws IOException {
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FileInputStream fileIn = null;
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FileOutputStream fileOut = null;
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try
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{
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fileIn = new FileInputStream("workbook.xls");
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POIFSFileSystem fs = new POIFSFileSystem(fileIn);
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HSSFWorkbook wb = new HSSFWorkbook(fs);
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HSSFSheet sheet = wb.getSheetAt(0);
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HSSFRow row = sheet.getRow(2);
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if (row == null)
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row = sheet.createRow(2);
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HSSFCell cell = row.getCell(3);
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if (cell == null)
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cell = row.createCell(3);
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cell.setCellType(CellType.STRING);
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cell.setCellValue("a test");
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// Write the output to a file
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fileOut = new FileOutputStream("workbookout.xls");
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wb.write(fileOut);
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} finally {
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if (fileOut != null)
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fileOut.close();
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if (fileIn != null)
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fileIn.close();
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}
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}
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}
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