求助,类似飞书文档的差量更新,如何实现 - V2EX
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jiekeop

求助,类似飞书文档的差量更新,如何实现

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  •   jiekeop Apr 19, 2024 2320 views
    This topic created in 740 days ago, the information mentioned may be changed or developed.
    比如一篇文章 用户修改文字(增加删除)的时候 实时更新增量推送 有什么简便的方法吗?前段要怎么做,后端怎么配合啊。
    4 replies    2024-04-19 20:17:03 +08:00
    iOCZS
        1
    iOCZS  
       Apr 19, 2024
    diff?编辑距离?
    XCFOX
        2
    XCFOX  
       Apr 19, 2024   1
    你可能在找 Yjs: https://github.com/yjs/yjs

    如果需要后端配合的话建议上 Hocuspocus: https://github.com/ueberdosis/hocuspocus
    okcdz
        3
    okcdz  
       Apr 19, 2024
    飞书是自己实现的 OT ,开源实现有: https://github.com/share/sharedb
    也可以使用 CRDT ,就是楼上说的 YJS
    两种方案各有优劣
    lirian
        4
    lirian  
       Apr 19, 2024
    飞书最早是基于 [etherpad]( https://etherpad.org/) 实现的。

    假如考虑多人作+差值更新的话,基本上就是可回溯操作的状态管理(就是 CRDT / OT 这种了),figma 是自己实现的。

    假如你们需求比较大,就正经调研一下,看看怎么从底层做起。
    假如你们需求很小,建议给产品怼回去,说不要提不切实际的需求(……
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