Apache POI的小测试

测试的代码

package com.poi;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.PushbackInputStream;

import java.util.Map;

import java.util.Set;

import java.util.TreeMap;

import org.apache.poi.POIXMLDocument;

import org.apache.poi.openxml4j.opc.OPCPackage;

import org.apache.poi.poifs.filesystem.POIFSFileSystem;

import org.apache.poi.ss.usermodel.Cell;

import org.apache.poi.ss.usermodel.CreationHelper;

import org.apache.poi.xssf.usermodel.XSSFCell;

import org.apache.poi.xssf.usermodel.XSSFHyperlink;

import org.apache.poi.xssf.usermodel.XSSFRow;

import org.apache.poi.xssf.usermodel.XSSFSheet;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class XSSFWriter {

public static void main(String[] args) throws Exception{

writeData();

// readData();

}

/**

* 解析输入数据的类型

* @param workbook

* @param fis

*/

public static void parseInput(XSSFWorkbook workbook, InputStream fis){

try {

if( !fis.markSupported() ){

fis=(InputStream)new PushbackInputStream(fis, 8);

}

if( POIXMLDocument.hasOOXMLHeader(fis) ){

workbook=new XSSFWorkbook(OPCPackage.open(fis));

}

if( POIFSFileSystem.hasPOIFSHeader(fis) ){

System.out.println(“—–”);

}

System.out.println(“—–++++”);

} catch (Exception e) {

e.printStackTrace();

}

}

/**

* 读数据

* @throws Exception

*/

public static void readData() throws Exception{

// InputStream fis=new FileInputStream(“E://xssfCreateExcel.xlsx”);

// Workbook workbook=new WorkbookFactory().create(fis);

// parseInput(workbook, fis);

// Iterator iterator = workboo;

// while( iterator.hasNext() ){//循环读取sheet

// XSSFSheet xssfSheet=iterator.next();

// Iterator iterator2 = xssfSheet.iterator();

// while( iterator2.hasNext() ){

// XSSFRow row=(XSSFRow)iterator2.next();

// Iterator iterator3 = row.iterator();

// while( iterator3.hasNext() ){

// Cell next = iterator3.next();

// switch (next.getCellType()) {

// case Cell.CELL_TYPE_NUMERIC:

// System.out.print(“NUMERIC– ” + next.getNumericCellValue());

// break;

// case Cell.CELL_TYPE_STRING:

// System.out.print(“STRING– ” + next.getStringCellValue());

// break;

// default:

// System.out.print(“RichString– ” + next.getRichStringCellValue());

// break;

// }

// }

// }

// }

}

/**

* POI 写数据到excel

* @throws Exception

*/

public static void writeData() throws Exception{

XSSFWorkbook workbook=new XSSFWorkbook();

FileOutputStream fos=new FileOutputStream(“E://xssfCreateExcel.xlsx”);

XSSFWriter.addData(workbook, “sheet1”);

XSSFWriter.addData(workbook, “sheet2”);

CreationHelper creationHelper=workbook.getCreationHelper();

XSSFHyperlink createHyperlink = (XSSFHyperlink)creationHelper.createHyperlink(XSSFHyperlink.LINK_DOCUMENT);

createHyperlink.setAddress(“”);

Cell cell=workbook.getSheet(“sheet1”).getRow(1).getCell(1);

// cell.setHyperlink(createHyperlink);

// cell.setCellStyle();

cell.setCellType(XSSFCell.CELL_TYPE_FORMULA);

cell.setCellFormula(“HYPERLINK(\”[xssfCreateExcel.xlsx]’sheet2’!Z10\”,\”链接到sheet2\”)”);

workbook.write(fos);

fos.close();

}

/**

* 向workbook的一个名为sheetName的sheet添加固定的数据

* @param workbook

* @param sheetName

*/

public static void addData(XSSFWorkbook workbook, String sheetName){

XSSFSheet createSheet = workbook.createSheet(sheetName);

Map