Java中Office(word/ppt/excel)转换成HTML实现

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.*;
 
public class OfficeToHTML {
 
    private final static OfficeToHTML oOfficeToHTML = new OfficeToHTML();
 
    public static OfficeToHTML getInstance() {
        return oOfficeToHTML;
    }
 
    public OfficeToHTML() {
    }
 
    public boolean WordtoHtml(String s, String s1) {
        ComThread.InitSTA();
        ActiveXComponent activexcomponent = new ActiveXComponent(
                "Word.Application");
        String s2 = s;
        String s3 = s1;
        boolean flag = false;
        try {
            activexcomponent.setProperty("Visible", new Variant(false));
            Dispatch dispatch = activexcomponent.getProperty("Documents").toDispatch();
            Dispatch dispatch1 = Dispatch.invoke(dispatch, "Open", 1,
                    new Object[] { s2, new Variant(false), new Variant(true) },
                    new int[1]).toDispatch();
            Dispatch.invoke(dispatch1, "SaveAs", 1, new Object[] { s3,
                    new Variant(8) }, new int[1]);
            Variant variant = new Variant(false);
            Dispatch.call(dispatch1, "Close", variant);
            flag = true;
        } catch (Exception exception) {
            exception.printStackTrace();
        } finally {
            activexcomponent.invoke("Quit", new Variant[0]);
            ComThread.Release();
            ComThread.quitMainSTA();
        }
        return flag;
    }
 
    public boolean PPttoHtml(String s, String s1) {
        ComThread.InitSTA();
        ActiveXComponent activexcomponent = new ActiveXComponent(
                "PowerPoint.Application");
        String s2 = s;
        String s3 = s1;
        boolean flag = false;
        try {
            Dispatch dispatch = activexcomponent.getProperty("Presentations")
                    .toDispatch();
            Dispatch dispatch1 = Dispatch.call(dispatch, "Open", s2,
                    new Variant(-1), new Variant(-1), new Variant(0))
                    .toDispatch();
            Dispatch.call(dispatch1, "SaveAs", s3, new Variant(12));
            Variant variant = new Variant(-1);
            Dispatch.call(dispatch1, "Close");
            flag = true;
        } catch (Exception exception) {
            System.out.println("|||" + exception.toString());
        } finally {
            activexcomponent.invoke("Quit", new Variant[0]);
            ComThread.Release();
            ComThread.quitMainSTA();
        }
        return flag;
    }
 
    public boolean ExceltoHtml(String s, String s1) {
         ComThread.InitSTA();
         ActiveXComponent activexcomponent = new
         ActiveXComponent("Excel.Application");
         String s2 = s;
         String s3 = s1;
         boolean flag = false;
         try
         {
         activexcomponent.setProperty("Visible", new Variant(false));
         Dispatch dispatch =
         activexcomponent.getProperty("Workbooks").toDispatch();
         Dispatch dispatch1 = Dispatch.invoke(dispatch, "Open", 1, new
         Object[] {
         s2, new Variant(false), new Variant(true)
         }, new int[1]).toDispatch();
         Dispatch.call(dispatch1, "SaveAs", s3, new Variant(44));
         Variant variant = new Variant(false);
         Dispatch.call(dispatch1, "Close", variant);
         flag = true;
         }
         catch(Exception exception)
         {
         System.out.println("|||" + exception.toString());
         }
         finally
         {
         activexcomponent.invoke("Quit", new Variant[0]);
         ComThread.Release();
         ComThread.quitMainSTA();
         }
         return flag;
    }
 
    public static void main(String args[]) {
        OfficeToHTML otx = OfficeToHTML.getInstance();
        boolean flag1 = otx.PPttoHtml("e:/test/test3.pptx", "e:/test/test3.html");
        if(flag1){
            System.out.println("PPT文件转换成HTML成功！");
        }else{
            System.out.println("PPT文件转换成HTML失败！");
        }
    }
}