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Echarts图表Java后端生成请看上篇，此篇为Base64图片插入Word文档中
Java后台生成ECharts图片,并以Base64字符串返回_青冘的博客-CSDN博客

try {XWPFParagraph xwpfParagraphimage = doc.createParagraph(); // 创建图片段落xwpfParagraphimage.setAlignment(ParagraphAlignment.CENTER);XWPFRun xwpfRunimage = xwpfParagraphimage.createRun(); // 创建段落文本String jsonData = echartsOption.getJsonDataZCRLQK();//获取OPT的Json配置EchartData echartData = new Gson().fromJson(EchartData2Base64.echartToBase64(jsonData), EchartData.class);if (echartData.getCode() == 1) {
//   依赖包sun.misc.BASE64DecoderBASE64Decoder decoder = new BASE64Decoder();byte[] decoderBytes = decoder.decodeBuffer(echartData.getData());InputStream imageis = new ByteArrayInputStream(decoderBytes);BufferedImage imagebi = ImageIO.read(new ByteArrayInputStream(decoderBytes));xwpfRunimage.addPicture(imageis, Document.PICTURE_TYPE_PNG, "",Units.pixelToEMU(Math.min(imagebi.getWidth(), 360)), Units.pixelToEMU(Math.min(imagebi.getHeight(), 240)));}} catch (Exception e) {throw new RuntimeException(e);}