echarts 图形 导出到后台 word 图片加文字

用freemarker

先做一个word模板

public class ReportExporter extends AbstractServletHandler {    private static final DebugPrn log = new DebugPrn(ReportExporter.class.getName());

    @Override    public String response(RequestParameters requestParameters) throws IPEGException {        initParameters(requestParameters);        String imgData = requestParameters.getRequest().getParameter("imgData").split(",")[1];        String exportedWord = createWord(WordData.getDataMap(imgData));        if(!"".equals(exportedWord)){            if(!ExportWord(exportedWord)){                return JsonHandlerUtils.faliureMessage;            }        }        return JsonHandlerUtils.successMessage;    }

    private boolean ExportWord(String exportedWord) {        OutputStream toClient = null;        InputStream fis = null;        File wordFile = null;        try {            wordFile = new File(exportedWord);            String fileName = URLEncoder.encode(wordFile.getName(),"UTF-8");            if(fileName.length() > 150){                fileName = new String(fileName.getBytes("GBK"),"ISO-8859-1");            }            fis = new BufferedInputStream(new FileInputStream(wordFile));            byte[] buffer = new byte[fis.available()];            fis.read(buffer);            toClient = new BufferedOutputStream(response.getOutputStream());            response.reset();            response.setContentType("application/msword");            response.addHeader("Content-Disposition",                    "attachment; filename=" + fileName);            response.addHeader("Content-Length",String.valueOf(wordFile.length()));            toClient.write(buffer);            toClient.flush();        } catch (Exception e) {            log.error("export word failed"+e.getMessage(), e);            return false;        }finally {            IOCloseUtil.close(fis);            IOCloseUtil.close(toClient);            wordFile.delete();        }        return true;    }

    private String createWord(Map<String,Object> dataMap){        Configuration configuration = null;        configuration = new Configuration();        configuration.setDefaultEncoding("utf-8");        Template t = null;        try {            configuration.setDirectoryForTemplateLoading(new File(getTemplatePath()));            t = configuration.getTemplate("raplace_word.ftl");        } catch (IOException e) {            log.error("load template failed!"+e.getMessage(), e);            return "";        }        File outFile = new File(getWordPath());        Writer out = null;        FileOutputStream fos=null;        try {            fos = new FileOutputStream(outFile);            OutputStreamWriter oWriter = new OutputStreamWriter(fos,"UTF-8");            out = new BufferedWriter(oWriter);            t.process(dataMap, out);            out.flush();        } catch (Exception e) {            log.error("report write word stream failed"+ e.getMessage(), e);            return "";        }finally {            IOCloseUtil.close(out);            IOCloseUtil.close(fos);        }        return getWordPath();    }

    private String getTemplatePath(){        SystemSupportService smService = ServiceAccess.getSystemSupportService();        Par par = null;        try {            par = smService.getDeployedPar(ReportExporter.class);        } catch (SystemSupportException e) {            log.error("get Par‘s path failed!"+e.getMessage(), e);        }        return par.getBaseDir() +File.separator+ "conf"+File.separator+"template";    }

    private String getWordPath(){        return getTemplatePath()+File.separator+"replaceWord.doc";    }}

public class WordData {    public static Map<String, Object> getDataMap(String imgData) {        String img_data = imgData.replace(‘ ‘,‘+‘);        Map<String, Object> dataMap = new HashMap<String, Object>();        dataMap.put("city_feature_average", "dfdfdfdf");        dataMap.put("city_feature_level", "2222");        dataMap.put("city_feature_YoY_up_down", "33333");        dataMap.put("city_feature_MoM_up_down", "4444");        dataMap.put("city_feature_image", img_data);        return dataMap;    }}