使用 aspose api ppt 更改 java 中幻灯片的文本

Question

public void save()
{ Presentation pres = new Presentation(filename);

ISlide slide = pres.getSlides().get_Item(0);

IShape shape= null;


for (int i = 0 ; i < slide.getShapes().size() ; i++)
{    shape = slide.getShapes().get_Item(i);
if (shape.getPlaceholder() != null)
{
((IAutoShape)shape).getTextFrame().setText(txtArea.getText());
}
}


pres.save(filename,SaveFormat.Ppt);

}

此代码用于更改文本，但它不起作用。我同时使用了两个API，显示代码如下：

public void Display(int currentPage, String source)
    {
        try {
        // Create a slideshow object; this creates an underlying POIFSFileSystem object for us
        SlideShow ppt = new SlideShow(new HSLFSlideShow(source));
        current=currentPage;
        // Get all of the slides from the PPT file
        Slide[] slides = ppt.getSlides();
        Dimension pgsize = ppt.getPageSize();
        all = slides.length;
        String temp="";
        lblPage.setText(currentPage+" / "+all);

            BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB);
            Graphics2D graphics = img.createGraphics();
graphics.setPaint(Color.white);
graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));

//render
slides[currentPage-1].draw(graphics);
//save the output
            /*FileOutputStream out = new FileOutputStream("slide-" + (i + 1) + ".png");
            javax.imageio.ImageIO.write(img, "png", out);
            out.close();
            //ImageIcon icon = new ImageIcon("slide-" + (i + 1) + ".png");*/
            ImageIcon icon = new ImageIcon(img);
            lblPresentasi.setIcon(icon);
// Obtain metrics about the slide: its number and name
            int number = slides[currentPage-1].getSlideNumber();
            String title = slides[currentPage-1].getTitle();
            // Obtain the embedded text in the slide
            TextRun[] textRuns = slides[currentPage-1].getTextRuns();
            System.out.println("Slide " + number + ": " + title);
            System.out.println("\tText Runs");
            txtArea.setText("Slide : " + number + " Title : " + title + "\n");
            for (int j = 0; j < textRuns.length; j++) {
                // Display each of the text runs present on the slide
                System.out.println("\t\t" + j + ": " + textRuns[j].getText());
                temp=txtArea.getText();
                txtArea.setText(temp+"\t\t" + textRuns[j].getText() + "\n");
            }

            // Obtain the notes for this slide
            System.out.println("\tNotes: ");
            Notes notes = slides[currentPage-1].getNotesSheet();
            if (notes != null) {
                // Notes are comprised of an array of text runs
                TextRun[] notesTextRuns = notes.getTextRuns();
                for (int j = 0; j < notesTextRuns.length; j++) {
                    System.out.println("\t\t" + notesTextRuns[j].getText());
                }
            }


    } catch (Exception e) {
        e.printStackTrace();
    }
    }

任何人都可以帮忙，我正在尝试在 Java 中制作一个简单的 powerpoint 编辑器。我想更改文本区域中的文本按保存按钮，因此文本必须更改并调用显示功能。

Answer 1

我已经观察了您的示例代码，并且想分享一下，就Aspose.Slides相关的代码而言，没有任何问题，而且完全正确。您可以通过在 PowerPoint 中打开文本已更改的已保存演示文稿来验证这一点。如果您在这方面遇到任何问题，我们很乐意进一步帮助您。您也可以通过 Aspose.Slides support forums 联系我们。

我在 Aspose 工作，担任开发人员布道师。

使用 aspose api ppt 更改 java 中幻灯片的文本

change text of slide in java using aspose api ppt

java

powerpoint

apache-poi

aspose-slides