分享一个超牛逼的 Java 文件在线预览项目

# 默认不开启 需要开启的设置成true
jodconverter.local.enabled=true
# 开启多个openOffice进程，每个端口对应一个进程
jodconverter.local.portNumbers=8100,8200
# openOffice进程重启前的最大进程数
jodconverter.local.maxTasksPerProcess=100

@RestController
@RequestMapping("document")
public class ConverterController {
    @Autowired
    private DocumentConverter documentConverter;
    /**
     * 文件上传
     */
    @RequestMapping("/upload")
    public Result upload(MultipartFile file) {
        try {
            if (file != null) {
                File parentFile = createParentFile();
                String fileName = file.getOriginalFilename();
                String suffix = fileName.substring(fileName.lastIndexOf("."));
                String uuid = IdUtil.simpleUUID();
                fileName = uuid + suffix;
                File docFile = new File(parentFile, fileName);
                FileUtil.writeFromStream(file.getInputStream(), docFile);
                /**
                 * 年月日目录
                 */
                String fileDay = DateUtil.thisYear() + "/" + (DateUtil.thisMonth() + 1) + "/"
                        + DateUtil.thisDayOfMonth();
                String imagePath = SystemConstant.FILE + "/document/" + fileDay + "/" + fileName;
                /**
                 * 实时转换
                 */
                logger.info("开始转换pdf......");
                File toFile = new File(parentFile, uuid + ".pdf");
                documentConverter.convert(docFile).to(toFile).execute();
                logger.info("开始转换html......");
                toFile = new File(parentFile, uuid + ".html");
                converter( docFile,toFile);
                return Result.ok(imagePath);
            } else {
                return Result.error();
            }
        } catch (Exception e) {
            logger.error("转换异常{}",e);
            return Result.error();
        }
    }
}