使用POI向Excel中插入多张图片
POI3.0以上版本才支持向Excel中插入图片

http://apache.freelamp.com/jakarta/poi/release/src/poi-src-3.0-FINAL-20070503.zip

http://apache.freelamp.com/jakarta/poi/release/bin/poi-bin-3.0-FINAL-20070503.zip

新版的API可能支持的容更丰富,不过文件也越来越大了.


Java代码

 package com.emis.test;    import java.io.FileOutputStream;  import java.io.File;  import java.io.ByteArrayOutputStream;  import java.io.IOException;    import java.awt.image.BufferedImage;  import javax.imageio.*;    import org.apache.poi.hssf.usermodel.HSSFWorkbook;  import org.apache.poi.hssf.usermodel.HSSFSheet;  import org.apache.poi.hssf.usermodel.HSSFPatriarch;  import org.apache.poi.hssf.usermodel.HSSFClientAnchor;    public class test {        public static void main(String[] args) {              FileOutputStream fileOut = null;              BufferedImage bufferImg =null;              BufferedImage bufferImg1 = null;              try{              //先把读进来的图片放到一个ByteArrayOutputStream中，以便产生ByteArray            ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();            ByteArrayOutputStream byteArrayOut1 = new ByteArrayOutputStream();            bufferImg = ImageIO.read(new File("D:\\wwwroot\\smepos3.0\\images\\link01.jpg"));            bufferImg1 = ImageIO.read(new File("D:\\wwwroot\\smepos3.0\\images\\link02.jpg"));            ImageIO.write(bufferImg,"jpg",byteArrayOut);            ImageIO.write(bufferImg1,"jpg",byteArrayOut1);            //创建一个工作薄         HSSFWorkbook wb = new HSSFWorkbook();         HSSFSheet sheet1 = wb.createSheet("new sheet");         //HSSFRow row = sheet1.createRow(2);         HSSFPatriarch patriarch = sheet1.createDrawingPatriarch();         HSSFClientAnchor anchor = new HSSFClientAnchor(0,0,100,50,(short) 1,1,(short)10,20);         HSSFClientAnchor anchor1 = new HSSFClientAnchor(0,0,100,50,(short) 2,30,(short)10,60);         anchor1.setAnchorType(2);         //插入图片         patriarch.createPicture(anchor , wb.addPicture(byteArrayOut.toByteArray(),HSSFWorkbook.PICTURE_TYPE_JPEG));         patriarch.createPicture(anchor1 , wb.addPicture(byteArrayOut1.toByteArray(),HSSFWorkbook.PICTURE_TYPE_JPEG));               fileOut = new FileOutputStream("d:/workbook.xls");             //写入excel文件             wb.write(fileOut);             fileOut.close();                }catch(IOException io){                      io.printStackTrace();                      System.out.println("io erorr : "+ io.getMessage());              } finally              {                 if (fileOut != null)                 {                       try {                                fileOut.close();                           }                     catch (IOException e)                     {                              // TODO Auto-generated catch block                              e.printStackTrace();                       }                 }              }      }  }