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apache-poi · justJavaScript/Java@b945e99 · GitHub

  1. justJavaScript
  2. Java

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Commit b945e99

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hmkcode
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apache-poi
apache-poi
1 parent 673eef4 commit b945e99

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‎java-excel-poi/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src/test/java" output="target/test-classes" including="**/*.java"/>
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<classpathentry kind="src" path="src/main/java" including="**/*.java"/>
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<classpathentry kind="src" path="src/main/resources" excluding="**/*.java"/>
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<classpathentry kind="output" path="target/classes"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
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<classpathentry kind="var" path="M2_REPO/org/apache/poi/poi/3.9/poi-3.9.jar"/>
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<classpathentry kind="var" path="M2_REPO/commons-codec/commons-codec/1.5/commons-codec-1.5.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/apache/poi/poi-ooxml/3.9/poi-ooxml-3.9.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/apache/poi/poi-ooxml-schemas/3.9/poi-ooxml-schemas-3.9.jar"/>
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<classpathentry kind="var" path="M2_REPO/org/apache/xmlbeans/xmlbeans/2.3.0/xmlbeans-2.3.0.jar"/>
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<classpathentry kind="var" path="M2_REPO/stax/stax-api/1.0.1/stax-api-1.0.1.jar"/>
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<classpathentry kind="var" path="M2_REPO/dom4j/dom4j/1.6.1/dom4j-1.6.1.jar"/>
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<classpathentry kind="var" path="M2_REPO/xml-apis/xml-apis/1.0.b2/xml-apis-1.0.b2.jar"/>
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</classpath>

‎java-excel-poi/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.hmkcode</groupId>
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<artifactId>java-excel-poi</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>java-excel-poi</name>
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<url>http://maven.apache.org</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.apache.poi</groupId>
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<artifactId>poi</artifactId>
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<version>3.9</version>
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</dependency>
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<dependency>
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<groupId>org.apache.poi</groupId>
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<artifactId>poi-ooxml</artifactId>
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<version>3.9</version>
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</dependency>
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</dependencies>
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</project>

‎java-excel-poi/src/main/java/com/hmkcode/poi/AppRead.java‎

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package com.hmkcode.poi;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.Date;
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import org.apache.poi.hssf.util.CellReference;
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import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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import org.apache.poi.ss.usermodel.CreationHelper;
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import org.apache.poi.ss.usermodel.DateUtil;
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import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.ss.usermodel.WorkbookFactory;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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public class AppRead
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{
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public static void main( String[] args )
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{
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Workbook wb = null;
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try {
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wb = WorkbookFactory.create(new File("workbook.xlsx"));
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} catch (InvalidFormatException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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Sheet sheet = wb.getSheetAt(0);
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//*********************************
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Cell cell = sheet.getRow(0).getCell(0);
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double numberVal = cell.getNumericCellValue();
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System.out.println("Row: 0 - Column: 0 = "+numberVal);
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//-----------------------------
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cell = sheet.getRow(0).getCell(1);
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String stringVal = cell.getStringCellValue();
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System.out.println("Row: 0 - Column: 1 = "+stringVal);
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//-----------------------------
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cell = sheet.getRow(0).getCell(2);
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Date dateVal = cell.getDateCellValue();
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System.out.println("Row: 0 - Column: 2 = "+dateVal);
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//-----------------------------
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cell = sheet.getRow(0).getCell(3);
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boolean booleanVal = cell.getBooleanCellValue();
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System.out.println("Row: 0 - Column: 3 = "+booleanVal);
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//-----------------------------
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}
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}

‎java-excel-poi/src/main/java/com/hmkcode/poi/AppWrite.java‎

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package com.hmkcode.poi;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.Date;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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import org.apache.poi.ss.usermodel.CreationHelper;
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import org.apache.poi.ss.usermodel.Row;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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public class AppWrite
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{
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public static void main( String[] args )
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{
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//1. Create a new Workbook
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Workbook wb = new XSSFWorkbook();
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//2. Create a new sheet
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Sheet sheet = wb.createSheet("sheet 1");
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//3. Create a row
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Row row = sheet.createRow((short) 0);
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//4. Create cells
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//4.1 number cell
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row.createCell(0).setCellValue(1);
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//4.2 text
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row.createCell(1).setCellValue("Text");
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//4.3 date cell
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CreationHelper createHelper = wb.getCreationHelper();
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CellStyle cellStyle = wb.createCellStyle();
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cellStyle.setDataFormat(createHelper.createDataFormat().getFormat("m/d/yy h:mm"));
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Cell cell = row.createCell(2);
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cell.setCellValue(new Date());
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cell.setCellStyle(cellStyle);
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//4.4 boolean cell
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row.createCell(3).setCellValue(true);
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//5. create excel file
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FileOutputStream fileOut;
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try {
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fileOut = new FileOutputStream("workbook.xlsx");
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wb.write(fileOut);
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fileOut.close();
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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System.out.println( "File created!" );
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}
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}

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