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README
Apache-2.0

file-online-preview

此项目为文件文档在线预览项目解决方案,对标业内付费产品有【永中office】【office365】【idocv】等,在取得公司高层同意后以Apache协议开源出来反哺社区,在此特别感谢@唐老大的支持以及@端木详笑的贡献。该项目使用流行的spring boot搭建,易上手和部署,基本支持主流办公文档的在线预览,如doc,docx,Excel,pdf,txt,zip,rar,图片等等

项目特性

  1. 支持office,pdf, cad等办公文档
  2. 支持txt,java,php,py,md,js,css等所有纯文本
  3. 支持zip,rar,jar,tar,gzip等压缩包
  4. 支持jpg,jpeg,png,gif等图片预览(翻转,缩放,镜像)
  5. 使用spring boot开发,预览服务搭建部署非常简便
  6. rest接口提供服务,跨平台特性(java,php,python,go,php,....)都支持,应用接入简单方便
  7. 抽象预览服务接口,方便二次开发,非常方便添加其他类型文件预览支持
  8. 最最重要Apache协议开源,代码pull下来想干嘛就干嘛

官网及文档

地址:https://kkfileview.keking.cn

在线体验

请善待公共服务,会不定时停用

地址:https://file.keking.cn

项目文档(Project documentation)

  1. 详细wiki文档:https://gitee.com/kekingcn/file-online-preview/wikis/pages
  2. 中文文档:https://gitee.com/kekingcn/file-online-preview/blob/master/README.md
  3. English document:https://gitee.com/kekingcn/file-online-preview/blob/master/README.en.md

联系我们,加入组织

我们会用心回答解决大家在项目使用中的问题,也请大家在提问前至少Google或baidu过,珍爱生命远离无效的交流沟通

QQ群号:613025121(已满) 2群:484680571

文档预览效果

1. 文本预览

支持所有类型的文本文档预览, 由于文本文档类型过多,无法全部枚举,默认开启的类型如下 txt,html,htm,asp,jsp,xml,json,properties,md,gitignore,log,java,py,c,cpp,sql,sh,bat,m,bas,prg,cmd
文本预览效果如下
文本预览效果如下

2. 图片预览

支持jpg,jpeg,png,gif等图片预览(翻转,缩放,镜像),预览效果如下
图片预览

3. word文档预览

支持doc,docx文档预览,word预览有两种模式:一种是每页word转为图片预览,另一种是整个word文档转成pdf,再预览pdf。两种模式的适用场景如下

  • 图片预览:word文件大,前台加载整个pdf过慢
  • pdf预览:内网访问,加载pdf快 图片预览模式预览效果如下
    word文档预览1
    pdf预览模式预览效果如下
    word文档预览2

4. ppt文档预览

支持ppt,pptx文档预览,和word文档一样,有两种预览模式
图片预览模式预览效果如下
ppt文档预览1
pdf预览模式预览效果如下
ppt文档预览2

5. pdf文档预览

支持pdf文档预览,和word文档一样,有两种预览模式
图片预览模式预览效果如下
pdf文档预览1
pdf预览模式预览效果如下
pdf文档预览2

6. excel文档预览

支持xls,xlsx文档预览,预览效果如下
excel文档预览

7. 压缩文件预览

支持zip,rar,jar,tar,gzip等压缩包,预览效果如下
压缩文件预览1
可点击压缩包中的文件名,直接预览文件,预览效果如下
压缩文件预览2

8. 多媒体文件预览

理论上支持所有的视频、音频文件,由于无法枚举所有文件格式,默认开启的类型如下
mp3,wav,mp4,flv
视频预览效果如下
多媒体文件预览1
音频预览效果如下
多媒体文件预览2

9. CAD文档预览

支持CAD dwg文档预览,和word文档一样,有两种预览模式
图片预览模式预览效果如下
cad文档预览1
pdf预览模式预览效果如下
cad文档预览2
考虑说明篇幅原因,就不贴其他格式文件的预览效果了,感兴趣的可以参考下面的实例搭建下

快速开始

项目使用技术

依赖外部环境

  • redis (可选,默认不用)
  • OpenOffice或者LibreOffice(Windows下已内置,Linux会自动安装,Mac OS下需要手动安装)
  1. 第一步:pull项目https://github.com/kekingcn/file-online-preview.git

  2. 第二步:运行FilePreviewApplication的main方法,服务启动后,访问http://localhost:8012/ 会看到如下界面,代表服务启动成功 输入图片说明

历史更新记录

2020年12月27日 :

2020年年终大版本更新,架构全面设计,代码全面重构,代码质量全面提升,二次开发更便捷,欢迎拉源码品鉴,提issue、pr共同建设

  1. 架构模块调整,大量的代码重构,代码质量提升N个等级,欢迎品鉴
  2. 增强XML文件预览效果,新增XML文档数结构预览
  3. 新增markdown文件预览支持,预览支持md渲染和源文本切换支持
  4. 切换底层web server为jetty,解决这个issue:https://github.com/kekingcn/kkFileView/issues/168
  5. 引入cpdetector,解决文件编码识别问题
  6. url采用base64+urlencode双编码,彻底解决各种奇葩文件名预览问题
  7. 新增配置项office.preview.switch.disabled,控制offic文件预览切换开关
  8. 优化文本类型文件预览逻辑,采用Base64传输内容,避免预览时再次请求文件内容
  9. office预览图片模式禁用图片放大效果,达到图片和pdf预览效果一致的体验
  10. 直接代码静态设置pdfbox兼容低版本jdk,在IDEA中运行也不会有警告提示
  11. 移除guava、hutool等非必须的工具包,减少代码体积
  12. Office组件加载异步化,提速应用启动速度最快到5秒内
  13. 合理设置预览消费队列的线程数
  14. 修复压缩包里文件再次预览失败的bug
  15. 修复图片预览的bug

2020年05月20日 :

  1. 新增支持全局水印,并支持通过参数动态改变水印内容
  2. 新增支持CAD文件预览
  3. 新增base.url配置,支持使用nginx反向代理和使用context-path
  4. 支持所有配置项支持从环境变量里读取,方便Docker镜像部署和集群中大规模使用
  5. 支持配置限信任站点(只能预览来自信任点的文件源),保护预览服务不被滥用
  6. 支持配置自定义缓存清理时间(cron表达式)
  7. 全部能识别的纯文本直接预览,不用再转跳下载,如.md .java .py等
  8. 支持配置限制转换后的PDF文件下载
  9. 优化maven打包配置,解决 .sh 脚本可能出现换行符问题
  10. 将前端所有CDN依赖放到本地,方便没有外网连接的用户使用
  11. 首页评论服务由搜狐畅言切换到Gitalk
  12. 修复url中包含特殊字符可能会引起的预览异常
  13. 修复转换文件队列addTask异常
  14. 修复其他已经问题
  15. 官网建设:https://kkfileview.keking.cn
  16. 官方Docker镜像仓库建设:https://hub.docker.com/r/keking/kkfileview

2019年06月18日 :

  1. 支持自动清理缓存及预览文件
  2. 支持http/https下载流url文件预览
  3. 支持FTP url文件预览
  4. 加入Docker构建

2019年04月08日 :

  1. 缓存及队列实现抽象,提供JDK和REDIS两种实现(REDIS成为可选依赖)
  2. 打包方式提供zip和tar.gz包,并提供一键启动脚本

2018年01月19日 :

  1. 大文件入队提前处理
  2. 新增addTask文件转换入队接口
  3. 采用redis队列,支持kkFIleView接口和异构系统入队两种方式

2018年01月17日 :

  1. 优化项目结构,抽象文件预览接口,更方便的加入更多的文件类型预览支持,方便二次开发
  2. 新增英文文档说明(@幻幻Fate,@汝辉)贡献
  3. 新增图片预览文件支持类型
  4. 修复压缩包内轮播图片总是从第一张开始的问题

2018年01月12日 :

  1. 新增多图片同时预览
  2. 支持压缩包内图片轮番预览

2018年01月02日 :

  1. 修复txt等文本编码问题导致预览乱码
  2. 修复项目模块依赖引入不到的问题
  3. 新增spring boot profile,支持多环境配置
  4. 引入pdf.js预览doc等文件,支持doc标题生成pdf预览菜单,支持手机端预览

使用登记

如果这个项目解决了你的实际问题,可在https://gitee.com/kekingcn/file-online-preview/issues/IGSBV 登记下,如果节省了你的三方预览服务费用,也愿意支持下的话,可点击下方【捐助】请作者喝杯咖啡,也是非常感谢

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简介

使用spring boot打造文件文档在线预览项目解决方案,支持doc、docx、ppt、pptx、xls、xlsx、zip、rar、mp4、mp3以及众多类文本如txt、html、xml、java、properties、sql、js、md、json、conf、ini、vue、php、py、bat、gitignore等文件在线预览 展开 收起
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