diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/document/DocumentService.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/document/DocumentService.java
new file mode 100644
index 0000000..24ee861
--- /dev/null
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/document/DocumentService.java
@@ -0,0 +1,81 @@
+package cn.iocoder.yudao.module.bpm.service.onlyoffice.document;
+
+import cn.iocoder.yudao.module.bpm.controller.admin.onlyoffice.vo.Document;
+import cn.iocoder.yudao.module.bpm.controller.admin.onlyoffice.vo.DocumentEditParam;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+/**
+ * 文档业务 接口
+ * @author: xx
+ * @date: 2024/8/7 16:30
+ */
+public interface DocumentService {
+    /**
+     * 构建文档对象
+     * @param filePath
+     * @param fileName
+     * @return documentKey 文档key
+     */
+    String buildDocument(String filePath, String fileName);
+
+    /**
+     * 从缓从中获取文档信息
+     * @param documentKey
+     * @return
+     */
+    Document getDocument(String documentKey);    /**
+     * 从缓从中获取文档信息
+     * @param documentKey
+     * @return
+     */
+    Document getDocumentToken(String documentKey,String token);
+
+
+    /**
+     * 下载文档实体文件
+     * @param documentKey
+     * @param request
+     * @param response
+     * @throws IOException
+     */
+    void downloadDocumentFile(String documentKey, HttpServletRequest request, HttpServletResponse response) throws IOException;
+
+    /**
+     * 构建文档编辑参数 对象
+     * @param userId
+     * @param userName
+     * @return
+     */
+    DocumentEditParam buildDocumentEditParam(String userId, String userName, String fileName);
+    /**
+     * 构建文档编辑参数 对象
+     * @param userId
+     * @param userName
+     * @return
+     */
+    DocumentEditParam buildDocumentEditParamToken(String userId, String userName, String fileName,String token);
+
+    /**
+     * 编辑后保存文档实体文件
+     * @param documentKey
+     * @param downloadUrl
+     * @throws IOException
+     */
+    boolean saveDocumentFile(String documentKey, String downloadUrl) throws IOException;
+
+    /**
+     * 获取服务暴露的host(包含端口)
+     * @return
+     */
+    Object getServerHost();
+
+    /**
+     * 文档是否支持编辑
+     * @param document
+     * @return
+     */
+    boolean canEdit(Document document);
+}
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/document/DocumentServiceImpl.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/document/DocumentServiceImpl.java
new file mode 100644
index 0000000..d0faf02
--- /dev/null
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/document/DocumentServiceImpl.java
@@ -0,0 +1,334 @@
+package cn.iocoder.yudao.module.bpm.service.onlyoffice.document;
+
+import cn.iocoder.yudao.module.bpm.controller.admin.onlyoffice.utils.DocumentConstants;
+import cn.iocoder.yudao.module.bpm.controller.admin.onlyoffice.utils.Md5Utils;
+import cn.iocoder.yudao.module.bpm.controller.admin.onlyoffice.vo.Document;
+import cn.iocoder.yudao.module.bpm.controller.admin.onlyoffice.vo.DocumentEditParam;
+import com.alibaba.fastjson.JSON;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.FilenameUtils;
+import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.hashids.Hashids;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Service;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+@Slf4j
+@Service
+public class DocumentServiceImpl implements DocumentService{
+    @Autowired
+    Environment environment;
+    @Value("${document.server.host}")
+    private String serverHost ;
+    /**
+     * 大小限制，默认10M
+     */
+    @Value("${document.file-size.limit:10485760}")
+    private Long docFileSizeLimit;
+    @Value("${files.docservice.url.site}")
+    private String documentServerHost;
+    @Value("${files.docservice.url.api}")
+    private String documentServerApiJs;
+    // @Autowired
+    //private DocumentCacheService cacheService;
+
+    @Override
+    public String buildDocument(String filePath, String fileName) {
+        if (StringUtils.isBlank(filePath)) {
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_NOT_EXISTS);
+        }
+        filePath = FilenameUtils.normalize(filePath);
+        String fileType = StringUtils.lowerCase(FilenameUtils.getExtension(filePath));
+        if (StringUtils.isBlank(fileType)) {
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_NO_EXTENSION);
+        }
+        // 如果指定了文件名，则需要校验和实体文件格式是否一致
+        if (StringUtils.isNotBlank(fileName) && !fileType.equalsIgnoreCase(FilenameUtils.getExtension(fileName))) {
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_EXTENSION_NOT_MATCH);
+        }
+        File docFile = new File(filePath);
+        // 校验文件实体
+        preFileCheck(docFile);
+        fileName = StringUtils.isNotBlank(fileName) ? fileName : docFile.getName();
+        String fileKey = this.fileKey(docFile, fileName);
+        Document document = Document.builder()
+                .fileType(fileType)
+                .title(fileName)
+                .storage(filePath)
+                .build();
+        boolean cached = false;
+//        try {
+//            cached = cacheService.put(fileKey, document);
+//        } catch (Exception e) {
+//            log.error("$$$ 缓存失败~~", e);
+//        }
+//        if (!cached) {
+//            throw new DocumentException(ErrorCodeEnum.DOC_CACHE_ERROR);
+//        }
+        document.setKey(fileKey);
+        return JSON.toJSONString(document);
+    }
+
+    @Override
+    public Document getDocument(String documentKey ) {
+        Document doc = null;
+
+        try {
+            doc = JSON.parseObject(documentKey,Document.class);
+        } catch (Exception e) {
+            log.error("$$$ 获取缓存失败~~", e);
+        }
+        if (doc == null) {
+//            throw new DocumentException(ErrorCodeEnum.DOC_CACHE_NOT_EXISTS);
+        }
+        // 从缓存中取出后，再绑定非必需缓存字段（节省缓存大小）
+//        doc.setKey(documentKey);
+        doc.setUrl(fileUrl(doc.getTitle()));
+        if (log.isDebugEnabled()) {
+            log.info(doc.toString());
+        }
+        return doc;
+    }
+    @Override
+    public Document getDocumentToken(String documentKey,String token) {
+        Document doc = null;
+
+        try {
+            doc = JSON.parseObject(documentKey,Document.class);
+        } catch (Exception e) {
+            log.error("$$$ 获取缓存失败~~", e);
+        }
+        if (doc == null) {
+//            throw new DocumentException(ErrorCodeEnum.DOC_CACHE_NOT_EXISTS);
+        }
+        // 从缓存中取出后，再绑定非必需缓存字段（节省缓存大小）
+//        doc.setKey(documentKey);
+        doc.setUrl(fileUrlToken(doc.getTitle(),token));
+        if (log.isDebugEnabled()) {
+            log.info(doc.toString());
+        }
+        return doc;
+    }
+
+    /**
+     * 计算文件key值: 文件md5值+路径的短md5值+名称的短md5值
+     * @param docFile
+     * @param name 生成协作时文档的docuemnt.key的值
+     * @return
+     */
+    public String fileKey(File docFile, String name) {
+        String docFileMd5 = Md5Utils.getFileMd5(docFile);
+        if (StringUtils.isBlank(docFileMd5)) {
+            log.error("$$$ 构建文件信息失败！计算文件 md5 失败！");
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_MD5_ERROR);
+        }
+        String pathShortMd5 = Md5Utils.md5(docFile.getAbsolutePath());
+        String nameShortMd5 = Md5Utils.md5(name);
+        Hashids hashids = new Hashids(DocumentConstants.HASH_KEY);
+//         (将路径字符串短md5值 + 名称字符串短md5值) ==> 再转成短id形式 ==> 作为文档的key（暂且认为是不会重复的）
+        String key = hashids.encodeHex(String.format("%s%s%s", docFileMd5,pathShortMd5, nameShortMd5));
+        if (StringUtils.isBlank(key)) {
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_KEY_ERROR);
+        }
+        return key;
+    }
+
+    /**
+     * 文件key值
+     * @param fileType
+     * @param docCrc32
+     * @return
+     */
+    private String fileKey(String fileType, String docCrc32) {
+        return String.format("%s_%s", fileType, docCrc32);
+    }
+
+    /**
+     * 文件url地址
+     * @param
+     * @return
+     */
+    private String fileUrl(String filename) {
+        return String.format(DocumentConstants.OFFICE_API_DOC_FILE, getServerHost(), "?name="+filename);
+//        return  "http://192.168.0.58:20053/download?name="+filename;
+    }
+    /**
+     * 文件url地址
+     * @param
+     * @return
+     */
+    private String fileUrlToken(String filename,String token) {
+        return String.format(DocumentConstants.OFFICE_API_DOC_FILE, getServerHost(), "?name="+filename+"&token="+token);
+//        return  "http://192.168.0.58:20053/download?name="+filename;
+    }
+
+    /**
+     * 根据文档信息下载文档文件
+     * @param documentKey
+     * @param request
+     * @param response
+     * @throws IOException
+     */
+    @Override
+    public void downloadDocumentFile(String documentKey, HttpServletRequest request, HttpServletResponse response) throws IOException {
+        Document doc = this.getDocument(documentKey);
+        File file = new File(doc.getStorage());
+        try (InputStream reader = new FileInputStream(file);
+             OutputStream out = response.getOutputStream()) {
+            byte[] buf = new byte[(int) FileUtils.ONE_KB];
+            int len = 0;
+            //response.setContentType(mimeType(file));
+            while ((len = reader.read(buf)) != -1) {
+                out.write(buf, 0, len);
+            }
+            out.flush();
+        } catch (Exception e) {
+            log.error("下载失败！读取文件[" + doc.getStorage() + "]报错~~", e);
+        }
+    }
+
+    @Override
+    public DocumentEditParam buildDocumentEditParam(String userId, String userName, String fileName) {
+        return DocumentEditParam.builder()
+//                .callbackUrl(callbackUrl(fileName)+"&token="+token)
+                .callbackUrl(callbackUrl(fileName))
+                .user(DocumentEditParam.UserBean.builder()
+                        .id(userId)
+                        .name(userName)
+                        .build())
+                .build();
+    }
+    @Override
+    public DocumentEditParam buildDocumentEditParamToken(String userId, String userName, String fileName,String token) {
+        return DocumentEditParam.builder()
+                .callbackUrl(callbackUrl(fileName)+"&token="+token)
+//                .callbackUrl(callbackUrl(fileName))
+                .user(DocumentEditParam.UserBean.builder()
+                        .id(userId)
+                        .name(userName)
+                        .build())
+                .build();
+    }
+
+    private String callbackUrl(String fileName) {
+        String format = String.format(DocumentConstants.OFFICE_API_CALLBACK, getServerHost());
+        format=format+"?fileName="+fileName;
+        return format;
+    }
+
+    /**
+     * 上传文档实体文件
+     * @param documentKey
+     * @param downloadUrl
+     * @throws IOException
+     */
+    @Override
+    public boolean saveDocumentFile(String documentKey, String downloadUrl) {
+        if (log.isInfoEnabled()) {
+            log.info(downloadUrl);
+        }
+        // TODO 默认覆盖源文件，如果调用者指定，则存到临时目录？
+        boolean isCover = true;
+        Document doc = this.getDocument(documentKey);
+        String saveFilePath = doc.getStorage();
+//        if (!isCover) {
+//            String baseDir = environment.getProperty("java.io.tmpdir");
+//            saveFilePath = String.format("%s/office-api/%s/%s.%s", baseDir, documentKey, System.currentTimeMillis(), doc.getFileType());
+//        }
+        File saveFile = new File(saveFilePath);
+        boolean success = false;
+        try {
+            FileUtils.copyURLToFile(new URL(downloadUrl), saveFile);
+            if (saveFile.exists() && saveFile.length() > 0) {
+                success = true;
+            }
+        } catch (IOException e) {
+            log.error("$$$ 保存文档失败！", e);
+        }
+        return success;
+        //TODO 编辑成功后，应该删除之前的编辑状态缓存
+    }
+
+    @Override
+    public Object getServerHost() {
+        if (StringUtils.startsWith(serverHost, DocumentConstants.HTTP_SCHEME)) {
+            return serverHost;
+        }
+        return String.format("http://%s", serverHost);
+    }
+
+    @Override
+    public boolean canEdit(Document document) {
+        if (ArrayUtils.contains(DocumentConstants.FILE_TYPE_UNSUPPORT_EDIT, document.getFileType())) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * 获取文档信息api地址
+     * @param docId
+     * @return
+     */
+    private String docInfoUrl(String docId) {
+        return String.format(DocumentConstants.OFFICE_API_DOC, getServerHost(), docId);
+    }
+
+    /**
+     * 获取文件的 mimetype
+     * @param file
+     * @deprecated
+     * @return
+     */
+    @Deprecated
+    private String mimeType(File file) {
+        try {
+            return Files.probeContentType(Paths.get(file.toURI()));
+        } catch (IOException e) {
+            log.error("$$$ 获取文件mimeType错误！", e);
+        }
+        return null;
+    }
+
+    /**
+     * 先校验文档文件
+     * @param docFile
+     * @return
+     */
+    private void preFileCheck(File docFile) {
+        if (log.isDebugEnabled()) {
+            log.debug("### 开始校验文档：[{}]", docFile.getAbsolutePath());
+        }
+        if (docFile == null || !docFile.exists()) {
+            log.error("$$$ 目标文档不存在，无法打开！");
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_NOT_EXISTS);
+        }
+        if (docFile.isDirectory() || docFile.length() <= 0) {
+            log.error("$$$ 目标文档[{}]是目录或空文件，无法打开！", docFile.getAbsolutePath());
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_EMPTY);
+        }
+        if (!docFile.canRead()) {
+            log.error("$$$ 目标文档[{}]不可读，无法打开！", docFile.getAbsolutePath());
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_UNREADABLE);
+        }
+        if (docFile.length() > docFileSizeLimit) {
+            log.error("$$$ 目标文档大小超过限制({}B > {}B)，无法打开！", docFile.length(), docFileSizeLimit);
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_OVERSIZE);
+        }
+        String ext = StringUtils.lowerCase(FilenameUtils.getExtension(docFile.getName()));
+        if (!ArrayUtils.contains(DocumentConstants.FILE_TYPE_SUPPORT_VIEW, ext)) {
+            log.error("$$$ 目标文档格式[{}]不正确，无法打开！（只支持：{}）",
+                    ext, StringUtils.join(DocumentConstants.FILE_TYPE_SUPPORT_VIEW, ","));
+//            throw new DocumentException(ErrorCodeEnum.DOC_FILE_TYPE_UNSUPPORTED);
+        }
+    }
+}
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/fileupload/FileUploadService.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/fileupload/FileUploadService.java
new file mode 100644
index 0000000..71237a5
--- /dev/null
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/fileupload/FileUploadService.java
@@ -0,0 +1,10 @@
+package cn.iocoder.yudao.module.bpm.service.onlyoffice.fileupload;
+
+import cn.iocoder.yudao.module.bpm.dal.dataobject.onlyoffice.onlyofficeDO;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import java.util.List;
+
+public interface FileUploadService extends IService<onlyofficeDO> {
+    List<onlyofficeDO> list();
+}
diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/fileupload/FileUploadServiceImpl.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/fileupload/FileUploadServiceImpl.java
new file mode 100644
index 0000000..1f11f88
--- /dev/null
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/onlyoffice/fileupload/FileUploadServiceImpl.java
@@ -0,0 +1,21 @@
+package cn.iocoder.yudao.module.bpm.service.onlyoffice.fileupload;
+
+import cn.iocoder.yudao.module.bpm.dal.dataobject.onlyoffice.onlyofficeDO;
+import cn.iocoder.yudao.module.bpm.dal.mysql.onlyoffice.FileUploadMapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+@Service
+public class FileUploadServiceImpl extends ServiceImpl<FileUploadMapper, onlyofficeDO> implements FileUploadService {
+    @Autowired
+    FileUploadMapper  uploadMapper;
+
+    @Override
+    public List<onlyofficeDO> list() {
+        return uploadMapper.selectList(null);
+    }
+
+
+}