外国网站设计素材独立站seo

本文介绍如何使用Apache POI识别PPT中的图片和文字，获取图片的数据、大小、尺寸、坐标，以及获取文字的字体、大小、颜色、坐标。

官方文档：https://poi.apache.org/components/slideshow/xslf-cookbook.html

官方文档和网上的资料介绍的很少，很多元素，需要一点点尝试才能获取到。

注意：本篇文章针对.pptx结尾的PPT文件

引入依赖：

 		<dependency><groupId>org.apache.poi</groupId><artifactId>poi</artifactId><version>5.0.0</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>5.0.0</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-scratchpad</artifactId><version>5.0.0</version></dependency>

核心代码：

	private static final String FILE_PATH = "/Temp/PPT/test.pptx";private static final String OUTPUT_PATH = "/Temp/PPT/output/";private static final String RGBA_TEMPLATE = "rgba(%d,%d,%d,1)";public static void main(String[] args) {analysisPpt(FILE_PATH);}public static void analysisPpt(String filePath) {try {InputStream input = new FileInputStream(filePath);XMLSlideShow xss = new XMLSlideShow(input);//getSlides(); 返回幻灯片中找到的所有普通幻灯片List<XSLFSlide> xslfSlideList = xss.getSlides();for (XSLFSlide xslfSlide : xslfSlideList) {//HSLFShape表示工作表中包含的所有形状（幻灯片或注释）List<XSLFShape> shapes = xslfSlide.getShapes();handleShapes(shapes);}} catch (Exception e) {e.printStackTrace();}}private static void handleShapes(final List<XSLFShape> shapes) throws Exception {for (XSLFShape shape : shapes) {if (shape instanceof XSLFGroupShape) {XSLFGroupShape groupShape = ((XSLFGroupShape) shape);// 对XSLFGroupShape进行递归处理handleShapes(groupShape.getShapes());} else if (shape instanceof XSLFTextShape) {XSLFTextShape xslfTextShape = ((XSLFTextShape) shape);List<XSLFTextParagraph> textParagraphs = xslfTextShape.getTextParagraphs();XSLFTextRun textRun = textParagraphs.get(0).getTextRuns().get(0);Rectangle2D anchor = xslfTextShape.getAnchor();PaintStyle fontColor = textRun.getFontColor();Color color = null;if (Objects.nonNull(fontColor)) {if (fontColor instanceof PaintStyle.SolidPaint) {PaintStyle.SolidPaint solidPaint = (PaintStyle.SolidPaint) fontColor;color = solidPaint.getSolidColor().getColor();} else if (fontColor instanceof XSLFTexturePaint) {// 一些大标题是该类型，暂无法获取大标题文字颜色XSLFTexturePaint texturePaint = (XSLFTexturePaint) fontColor;System.out.println("todo: XSLFTexturePaint ");} else {System.out.println("not match: " + fontColor.getClass());}}String fill = "";if (Objects.nonNull(color)) {fill = String.format(RGBA_TEMPLATE, color.getRed(), color.getGreen(), color.getBlue());}System.out.printf("[text]: %s \n[font]: %s [size]: %s [x,y]: (%s,%s) [color]: %s \n", xslfTextShape.getText(),textRun.getFontFamily(), textRun.getFontSize(), anchor.getX(), anchor.getY(), fill);System.out.println("----------------------------");} else if (shape instanceof XSLFPictureShape) {XSLFPictureShape xslfPictureShape = ((XSLFPictureShape) shape);XSLFPictureData pictureData = xslfPictureShape.getPictureData();// 图片数据byte[] data = pictureData.getData();savePicture(data, pictureData.getFileName());Dimension dimensionInPixels = pictureData.getImageDimensionInPixels();Rectangle2D anchor = xslfPictureShape.getAnchor();System.out.printf("[picture name]: %s: [size]: %s * %s [X,Y]: (%s,%s) \n", pictureData.getFileName(), dimensionInPixels.getWidth(),dimensionInPixels.getHeight(), anchor.getX(), anchor.getY());} else {System.out.println("unknown shape：" + shape.getClass());}}}private static void savePicture(final byte[] data, final String fileName) throws IOException {FileOutputStream out = new FileOutputStream(OUTPUT_PATH + fileName);out.write(data);out.close();}