echarts 图形 导出到后台 word 图片加文字

Posted 2020-07-16 路过的二师兄

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;
    }
}