Rrrrrr
V2EX  ›  Node.js

nodejs 串行怎么写好了些呢?

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  •   Rrrrrr · Feb 7, 2020 · 6293 views
    This topic created in 2356 days ago, the information mentioned may be changed or developed.
    做下载的,我需要一个一个任务下载,不要并行。我调用的是 exe 去下载,是不是要用 child_proess
    5 replies    2020-02-08 14:54:20 +08:00
    ETiV
        1
    ETiV  
       Feb 7, 2020
    async.queue
    并发设成 1

    https://www.npmjs.com/package/async
    glacer
        2
    glacer  
       Feb 7, 2020
    async/await
    magicdawn
        3
    magicdawn  
       Feb 7, 2020
    const dl = require('dl-vampire')
    for(){
    await dl({ url, file })
    }
    muzuiget
        4
    muzuiget  
       Feb 8, 2020
    要看你怎么调用 exe,本来就是阻塞调用普通的 for 循环就是了。
    Rrrrrr
        5
    Rrrrrr  
    OP
       Feb 8, 2020
    @muzuiget 我看了一下,好像只有 for 支持异步的循环
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