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README
Apache-2.0

WebOffice 开放平台 Java SDK

依赖

  • JDK 8+
  • Spring Framework 4.0+

使用说明

<dependency>
  <groupId>cn.ljserver.tool</groupId>
  <artifactId>web-office-v3</artifactId>
  <version>3.1.1</version>
</dependency>

主要结构及说明

├── java
│   └── cn
│       └── ljserver
│           └── tool
│               └── weboffice
│                       └── v3
│                           ├── config # 配置层
│                           └── 
│                           ├── controller # 接口层
│                           └── 
│                           ├── exception # 异常定义
│                           └── 
│                           ├── model # 值对象,包括请求参数、返回值等
│                           └── 
│                           └── util # 工具集合
│                           └── 
│                           └── service # 需要接入方实现的接口
│                           └── 
│                               ├── convert  # 此目录包含了所有文件转换的方法,可直接调用
│                               ├── 
│                               ├── ExtendCapacityService.java # 扩展能力接口,包括历史版本、重命名等功能
│                               ├── 
│                               ├── FileTemplateService.java # 获取文件模板接口,非必须(不知道为啥要用转换服务,先放这里)
│                               ├── 
│                               ├── MultiPhaseFileStorageService.java # 文档三阶段保存接口,非必须,且与 SinglePhaseFileStorageService 互斥,实现一个即可 
│                               ├── 
│                               ├── PreviewService.java # 预览服务接口,必须实现,包括获取文档信息、下载地址、当前用户权限接口
│                               ├── 
│                               ├── SinglePhaseFileStorageService.java # 文档保存接口,非必须,且与 MultiPhaseFileStorageService 互斥,实现一个即可(建议实现这个,简单)
│                               ├── 
│                               └── UserService.java # 获取用户信息,非必须

文档预览接口 (必须)

如果仅使用开放平台提供的文档预览服务,可以只实现 PreviewService 接口,该接口是必须实现的,示例代码如下:

@Service
public class PreviewServiceImpl implements PreviewService {
    @Override
    public FileInfo fetchFileInfo(String fileId) {
        return fetchFile(fileId).toFileInfo();
    }

    @Override
    public DownloadInfo fetchDownloadInfo(String fileId) {
        return fetchFileDownloadInfo(fileId);
    }

    @Override
    public UserPermission fetchUserPermission(String fileId) {
        return fetchFileUserPermission(fileId);
    }
}

文档保存接口 (可选)

多阶段保存(较麻烦)

如果要使用开发平台提供的文档编辑能力,需要近一步实现文档保存接口,MultiPhaseFileStorageServiceSinglePhaseFileStorageService 这两个接口只需要实现一个即可,同时在开放平台配置您实现的是哪个接口

  • MultiPhaseFileStorageService 接口,其中包括如下三个步骤,该方式适用于文件元信息和文档内容是分开存储的,比如文档内容保存在某个云服务商,上传文件内容的流量直接走云服务商

    1. 准备阶段
    2. 获取上传地址
    3. 上传结果通知
  • SinglePhaseFileStorageService 接口,将三阶段上传中的参数,通过一个 Form 提交到接入方的服务端,包括文件的元信息和文档内容

MultiPhaseFileStorageService 实现示例:

@Service
public class MultiPhaseFileStorageServiceImpl implements MultiPhaseFileStorageService {
    // 准备阶段,获取校验文档内容的校验合计算方法,非必须,默认 SHA1
    @Override
    public List<DigestType> uploadPrepare(String s) {
        return Collections.singletonList(DigestType.SHA1);
    }

    // 获取上传地址,需要实现
    @Override
    public FileUploadMultiPhase.FileUploadAddress.Response uploadAddress(FileUploadMultiPhase.FileUploadAddress.Request request) {
        return fetchUploadAddress(request.getFileId());
    }

    // 通知上传结果
    @Override
    public FileInfo uploadComplete(FileUploadMultiPhase.FileUploadComplete.Request request) {
        maybeNeedLock();
        checkFileUploadComplete(request);
        return fetchFile(request.getRequest().getFileId());
    }
}
单阶段保存(简单,建议实现这个)

SinglePhaseFileStorageService 实现示例:

@Service
public class SinglePhaseFileStorageServiceImpl implements SinglePhaseFileStorageService {
    @Override
    @SneakyThrows
    public FileInfo uploadFile(FileUploadSinglePhase.Request request) {
        saveFileMeta(request);
        saveFileContent(request);
        return fetchFile(request.getFileId());
    }
}

用户接口 (可选)

如果要显示当前用户信息(当前参与文档协作的用户等场景),需要实现 UserService 接口,示例代码如下:

@Service
public class UserServiceImpl implements UserService {
    @Override
    public List<UserInfo> fetchUsers(List<String> userIds) {
        return fetchUserList(userIds);
    }
}

扩展能力接口 (可选)

如果想使用更多开放平台提供的能力,需要选择性的实现 ExtendCapacityService 中的接口

接口定义中有默认实现(default 实现),方便接入方选择只实现其中的一部分功能,例如:

public interface ExtendCapacityService {
    // 要使用文档重命名功能,需要实现该接口
    default void renameFile(String fileId, String name) {
        throw new NotImplementException();
    }

    // 如果要实现文档历史版本列表功能,要实现该接口
    default List<FileInfo> fileVersions(String fileId, int offset, int limit) {
        throw new NotImplementException();
    }

    // 如果要实现预览文档历史版本
    default FileInfo fileVersion(String fileId, int version) {
        throw new NotImplementException();
    }

    // 如果要实现预览文档历史版本,同上
    default DownloadInfo fileVersionDownload(String fileId, int version) {
        throw new NotImplementException();
    }

    // 如果要在文档预览/编辑的时候显示水印,需要实现该接口
    default Watermark fileWatermark(String fileId) {
        throw new NotImplementException();
    }
}

获取模板文件接口

如果要使用开放平台提供的文档模板能力,只需要调用TemplateService 接口,前提是必须配置 WebOfficeProperties 示例代码如下:(这个controller默认提供给你)

@RestController
@RequestMapping("/v3/files/template")
public class FileTemplateController extends ProviderBaseController {

    @GetMapping("/{officeType}")
    @ProviderJsonApi
    public ProviderResponseEntity<?> fileTemplate(@PathVariable("officeType") String officeType) {
        return FileTemplateService.getFileTemplateResponse(officeType);
    }

}

结果:

{
    "code": 0,
    "data": {
        "url": "https://solution-provider.ks3-cn-beijing.ksyun.com/office/template/empty.pptx?Expires=1714374668&KSSAccessKeyId=AKLTKVSHxfgqTr2XXElVZy9w&Signature=frBoO9PJsZkJUQzze55NrJzNe%2FE%3D",
        "name": "演示文稿.pptx"
    }
}

文档转换能力接口

相关服务如下: 在service/convert目录中,实现了全部方法,安装WebOfficeProperties配置后即可使用。。

img.png

示例代码:

1. PDF转DOC

@RestController
public class TestController extends ProviderBaseController {

     @GetMapping("a")
     public ConvertResponse a() {
          return PdfToDoc.convert("docx", "https://file.xxx.cn/temp/xxx.pdf");
     }

     @GetMapping("b/{task_id}")
     public ToDocResponse b(@PathVariable("task_id") String task_id) {
          return ToDocResult.get("docx", task_id);
     }

}

结果:

{
    "code": 0,
    "data": {
        "task_id": "459d7ec404bf4a0a9b29ffc171171d89"
    }
}
{
     "code": 0,
     "data": {
          "download_url": "http://zhai-platereduction.ks3-cn-beijing.ksyun.com/tmp/layout/pdfwriter/tmp/2024-04-29/459d7ec404bf4a0a9b29ffc171171d89.docx?Expires=1714453450&AWSAccessKeyId=AKLThacEYfpQEiYtqqtfXFZP&Signature=liRZVZHqTTmhgqU7Uk5BxRee5dc=",
          "status": 1,
          "duration": 1.693,
          "task_id": "459d7ec404bf4a0a9b29ffc171171d89",
          "progress": 100,
          "start_time": 1714367049215,
          "page_count": 3,
          "errMsgs": null
     }
}

2. JPG转PPTX:

@RestController
public class TestController extends ProviderBaseController {

     @GetMapping("b/{task_id}")
     public ToDocResponse b(@PathVariable("task_id") String task_id) {
          return ToDocResult.get("docx", task_id);
     }

     @GetMapping("c")
     public ConvertResponse c() {
          return ImgToDoc.convert("pptx", "https://file.xxx.cn/upload/xxx.jpg");
     }

}

结果:

参考 PDF转DOC

3. DOC转PDF:

@RestController
public class TestController extends ProviderBaseController {

     @GetMapping("d")
     public ConvertResponse d() {
          return DocToPdf.convert("https://file.xxx.cn/temp/test-doc.docx");
     }

     @GetMapping("e/{task_id}")
     public DocToResponse e(@PathVariable("task_id") String task_id) {
          return DocToResult.get(task_id);
     }
}

结果:

{
   "code": 0,
   "data": {
      "task_id": "open:zqoxjlisjijqscyhuzvmmwlydetrcqf"
   }
}
{
   "code": 0,
   "data": {
      "status": "success",
      "progress": 100,
      "message": null,
      "result": {
         "task": {
            "elapsed": 410,
            "resource_size": 11884
         },
         "pdfs": [
            {
               "url": "https://solution-provider.ks3-cn-beijing.ksyun.com/convert/pdf/a5c0526f6b5851d31b72dec38d05f4e493233020/JHHSmxPycY.pdf?Expires=1714373233&KSSAccessKeyId=AKLTKVSHxfgqTr2XXElVZy9w&Signature=ZLCGdS021qx67revFvsmPONntTM%3D&response-content-disposition=attachment%3Bfilename%2A%3DUTF-8%27%27JHHSmxPycY.pdf&response-content-type=application%2Fpdf",
               "size": 50790
            }
         ]
      }
   }
}

4. Excel类文件转xlsx:

@RestController
public class TestController extends ProviderBaseController {

     @GetMapping("f")
     public ConvertResponse f() {
          return ExcelToXlsx.convert("https://file.xxx.cn/temp/123.xls");
     }

}

结果:

{
     "code": 0,
     "data": {
          "task_id": "open:owphdgbiwyshnbdmdoqorbyhhmyubnr"
     }
}
{
     "code": 0,
     "data": {
          "status": "success",
          "progress": 100,
          "message": null,
          "result": {
               "task": {
                    "elapsed": 397,
                    "resource_size": 57344
               },
               "url": "https://solution-provider.ks3-cn-beijing.ksyun.com/save_as_format/b43e9c65f1f426318bd2b0fe504fdd92e94f71a4/JXJYSdGcWJ.xlsx?Expires=1714404595&KSSAccessKeyId=AKLTKVSHxfgqTr2XXElVZy9w&Signature=JNueBpf%2FcQFjU0pU2t%2B0xBKK5uM%3D&response-content-disposition=attachment%3Bfilename%2A%3DUTF-8%27%27JXJYSdGcWJ.xlsx&response-content-type=application%2Fvnd.openxmlformats-officedocument.spreadsheetml.sheet",
               "size": 32606
          }
     }
}

实际效果


docx 在线预览/编辑


pptx 在线预览/编辑


xlsx 在线预览/编辑


pdf 在线预览/编辑


更多

其它接口,请查阅controller或者service下的各种方法

关于接口的更多说明,请参考WebOffice开放平台-WebOffice回调配置

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简介

wps-weboffice-sdk-v3,针对官网目前的最新v3版本,基于v3做了大量优化改动,坚持引入少量jar依赖,以及增加详细注释,使用说明等,目前已经推送到maven中央仓库,方便使用。 展开 收起
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