package test;import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
public class WordToPDF1 {  public static void wordToPDF(String docfile, String toFile,int type) {    ActiveXComponent app = new ActiveXComponent("Word.Application"); // 启动word    try {    app.setProperty("Visible", new Variant(false));   //设置word程序非可视化运行
            Dispatch docs = app.getProperty("Documents").toDispatch();   Dispatch doc = Dispatch.invoke(    docs,    "Open",    Dispatch.Method,    new Object[] { docfile, new Variant(false),    new Variant(true) }, new int[1]).toDispatch();  //new Variant(type)，这里面的type的决定另存为什么类型的文件  Dispatch.invoke(doc, "SaveAs", Dispatch.Method, new Object[] {    toFile, new Variant(type) }, new int[1]);   //作为PDF格式保存文件
            Variant f = new Variant(false);   System.out.println(toFile+".pdf");//关闭文件Dispatch.call(doc, "Close", f);  } catch (Exception e) {    e.printStackTrace();    } finally {   //退出word程序app.invoke("Quit", new Variant[] {});    }    }    public static void main(String[] args) {  //源文件全路径  //String docfile ="D:\\1.doc";  String docfile ="D:\\2.docx"; // String docfile ="D:\\ceshi.doc"; //for (int i = 0; i < 18; i++) {     //些路径test为实际存在的目录，s后面为要另存为的文件名  String toFile="d:\\"+1222;  wordToPDF(docfile, toFile,17);  //17 表示格式 为PDF// }
    }
}  

package test;import java.awt.Image;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.lang.reflect.Method;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.security.AccessController;
import java.security.PrivilegedAction;import javax.swing.SwingUtilities;import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
import com.sun.pdfview.PDFFile;
import com.sun.pdfview.PDFPage;public class PdfToJpg {public static void setup() throws IOException {// load a pdf from a byte bufferFile file = new File("d://1.pdf");RandomAccessFile raf = new RandomAccessFile(file, "r");FileChannel channel = raf.getChannel();ByteBuffer buf = channel.map(FileChannel.MapMode.READ_ONLY, 0, channel.size());PDFFile pdffile = new PDFFile(buf);System.out.println("页数： " + pdffile.getNumPages());BufferedImage tag = null;//将图片放入frame中//JFrame frame =null;//frame的名称// frame = new JFrame("PDF Test");//JLabel label = null;//frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);for (int i = 1; i <= pdffile.getNumPages(); i++) {// draw the first page to an imagePDFPage page = pdffile.getPage(i);// get the width and height for the doc at the default zoomRectangle rect = new Rectangle(0, 0, (int) page.getBBox().getWidth(), (int) page.getBBox().getHeight());// generate the imageImage img = page.getImage(rect.width, rect.height, // width &// heightrect, // clip rectnull, // null for the ImageObservertrue, // fill background with whitetrue // block until drawing is done
                    );tag = new BufferedImage(rect.width, rect.height,BufferedImage.TYPE_INT_RGB);// label = new JLabel(new ImageIcon(img));// System.out.println(label);
tag.getGraphics().drawImage(img, 0, 0, rect.width, rect.height,null);FileOutputStream out = new FileOutputStream("d://picture//gao//"+ i + ".jpg"); // 输出到文件流
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);encoder.encode(tag); // JPEG编码out.close();//   unmap(buf);System.out.println("PDF文件转换JPG文件成功");//将label添加给frame// frame.add(label);// System.out.println(frame);
}channel.close();raf.close();unmap(buf);//如果要在转图片之后删除pdf，就必须要这个关闭流和清空缓冲的方法// show the image in a frame//frame.pack();// frame.setVisible(true);
    }/*** 清空缓冲* @param buffer*/public static void unmap(final Object buffer) {AccessController.doPrivileged(new PrivilegedAction() {public Object run() {try {Method getCleanerMethod = buffer.getClass().getMethod("cleaner", new Class[0]);getCleanerMethod.setAccessible(true);sun.misc.Cleaner cleaner = (sun.misc.Cleaner) getCleanerMethod.invoke(buffer, new Object[0]);cleaner.clean();} catch (Exception e) {e.printStackTrace();}System.out.println("清空缓冲成功");return null;}});}public static void main(final String[] args) {SwingUtilities.invokeLater(new Runnable() {public void run() {try {PdfToJpg.setup();} catch (IOException ex) {ex.printStackTrace();}}});}
}