Java将word文件转成pdf文件的操作方法

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import java.io.File;
public class Test {
        static final int wdDoNotSaveChanges = 0;// 不保存待定的更改。
        static final int wdFormatPDF = 17;// PDF 格式
        public static void wordToPdf(String wordpath, String pdfpath) {
            System.out.println("启动Word...");
            long start = System.currentTimeMillis();
            ActiveXComponent app = null;
            try {
                //打开word应用程序
                app = new ActiveXComponent("Word.Application");
                设置应用操作是文档不在明面上显示，只在后台静默处理。
                app.setProperty("Visible", false);
                //获得文档集合，用来操作我们需要处理的文档.
                Dispatch docs = app.getProperty("Documents").toDispatch();
                System.out.println("打开文档..." + wordpath);
                //打开word文档
                Dispatch doc = Dispatch.call(docs,//
                        "Open", //
                        wordpath,// FileName
                        false,// ConfirmConversions
                        true // ReadOnly
                ).toDispatch();
                System.out.println("转换文档到PDF..." + pdfpath);
                File tofile = new File(pdfpath);
                //创建存放pdf的文件夹
                if (tofile.exists()) {
                    tofile.delete();
                }
                //将word另存为pdf
                Dispatch.call(doc,//
                        "SaveAs", //
                        pdfpath, // FileName
                        wdFormatPDF);
                //关闭word文档
                Dispatch.call(doc, "Close", false);
                long end = System.currentTimeMillis();
                System.out.println("转换完成..用时：" + (end - start) + "ms.");
            } catch (Exception e) {
                System.out.println("========Error:文档转换失败：" + e.getMessage());
            } finally {
                if (app != null)
                    app.invoke("Quit", wdDoNotSaveChanges);
            }
        }
        public static void main(String[] args) {
            wordToPdf("C:\\Users\\wukefan\\Desktop\\test.doc","C:\\Users\\wukefan\\Desktop\\test.pdf");
        }
}