import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Map;

import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.DocumentEntry;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.springframework.web.multipart.MultipartFile;

//接收前端vue 转换成html 把流传递到后端
public class vueToHtml {
    /**
     * //controller
     *  JsonObjUtils json 转换工具 把json转成map  可以用其他的
     * @param name html文件流 @RequestParam("file") MultipartFile
     * @param paramStr 其他参数 @RequestParam("form")
     * @throws Exception
     */

    public  void writeWordFile(MultipartFile name, String paramStr) throws Exception {
        System.out.println(paramStr);
        Map<String,Object> formMap = JsonObjUtils.json2map(paramStr);
        String fileType = formMap.get("fileType") == null ?null:formMap.get("fileType").toString();
        String fileName = formMap.get("fileName1") == null ?null:formMap.get("fileName1").toString();
        String filePath = "static/ratingReport/doc/";
        if (!"".equals(fileType)){
            if (fileType.equals("word")){
                filePath=wordtransformation(filePath,fileName,name);
            }
        }
    }
    private String wordtransformation(String filePath,String fileName,MultipartFile name){
        try {
            if (!"".equals(filePath)) {
                // 检查目录是否存在
                File fileDir = new File(filePath);
                if (!fileDir.exists()) {
                    fileDir.mkdirs();
                }
                // 生成临时文件名称
                LocalDateTime time=LocalDateTime.now();
                DateTimeFormatter dtf2 = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
                String strDate2 = dtf2.format(time);
                fileName = strDate2+fileName+"doc.doc";
                InputStream bais = name.getInputStream();
                POIFSFileSystem poifs = new POIFSFileSystem();
                DirectoryEntry directory = poifs.getRoot();
                DocumentEntry documentEntry = directory.createDocument("WordDocument", bais);
                FileOutputStream ostream = new FileOutputStream(filePath+ fileName);
                poifs.writeFilesystem(ostream);
                bais.close();
                ostream.close();

            }

        } catch (IOException e) {
            e.printStackTrace();
        }
        return filePath+fileName;
    }
}