当我尝试使用Java从MS Word文档中提取图像时，我得到以下异常：
“线程中的异常”主“java.lang.NoClassDefFoundError： 组织/阿帕奇/ POI / POIFS /文件系统/ FileMagic“
package UFC;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.util.Iterator;
import java.util.List;
import javax.imageio.ImageIO;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;
import org.apache.poi.xwpf.usermodel.XWPFPictureData;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
public class WordImageExtractor {
public static void main(String[] args) {
selectwORD();
}
//allow office word file selection for extracting
public static void selectwORD() {
JFileChooser chooser = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter("DOCX", "docx");
chooser.setFileFilter(filter);
chooser.setMultiSelectionEnabled(false);
int returnVal = chooser.showOpenDialog(null);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = chooser.getSelectedFile();
System.out.println("Please wait...");
extractImages(file.toString());
System.out.println("Extraction complete");
}
}
public static void extractImages(String src) {
try {
//create file inputstream to read from a binary file
FileInputStream fs = new FileInputStream(src);
//create office word 2007+ document object to wrap the word file
XWPFDocument docx = new XWPFDocument(fs);
//get all images from the document and store them in the list piclist
List<XWPFPictureData> piclist = docx.getAllPictures();
//traverse through the list and write each image to a file
Iterator<XWPFPictureData> iterator = piclist.iterator();
int i = 0;
while (iterator.hasNext()) {
XWPFPictureData pic = iterator.next();
byte[] bytepic = pic.getData();
BufferedImage imag = ImageIO.read(new ByteArrayInputStream(bytepic));
ImageIO.write(imag, "jpg", new File("D:/imagefromword" + i + ".jpg"));
i++;
}
} catch (Exception e) {
System.exit(-1);
}
}
}
我已将apache poi的jar文件添加到netbeans 8.2，
如何解决此问题？请帮帮我。