https://dailypypy.org/tags/concurrent.futures/ Recent content in Concurrent.futures on 每日拍拍 Hugo -- gohugo.io zh-tw © 2026 每日拍拍 Sun, 20 Sep 2026 11:32:00 +0800 155076163427069952 154825760438254592 https://dailypypy.org/learn/python-concurrent-futures/ Sun, 20 Sep 2026 11:32:00 +0800 https://dailypypy.org/learn/python-concurrent-futures/ <!--- 1440x768 prompt: masterpiece, best quality, highres, clean anime illustration, japanese anime style, soft shading, flat color design, 1girl, black hair, green eyes, white off-shoulder shirt, black short skirt, wide shot, small figure, sitting on a tall stool, one hand on chin thinking while the other rests beside her, curious focused smile, looking at viewer, powder blue and pale apricot background, three subtle translucent floating rings arranged around her without symbols, logos, markings, or text, neat composition, detailed eyes, cute and smart vibe, minimal background, polished illustration, no text negative prompt: worst quality, bad eye, bad hand, extra limbs, manga, multiple views, monochrome, text, signature ---> <!-- 這篇是並行系列的「任務協調層」續篇：重點是 Executor / Future 的共同介面、 三種 pool 的選擇與失敗控制，不重複 threading、multiprocessing 的底層同步與 IPC 教學。 --> <h2 class="relative group">一. 前言：真正難的不是同時跑，而是怎麼收尾 <div id="一-前言真正難的不是同時跑而是怎麼收尾" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700" style="text-decoration-line: none !important;" href="#%e4%b8%80-%e5%89%8d%e8%a8%80%e7%9c%9f%e6%ad%a3%e9%9b%a3%e7%9a%84%e4%b8%8d%e6%98%af%e5%90%8c%e6%99%82%e8%b7%91%e8%80%8c%e6%98%af%e6%80%8e%e9%ba%bc%e6%94%b6%e5%b0%be" aria-label="定位點">#</a> </span> </h2> <p>假設你有 500 個檔案要讀、50 張圖片要轉換，或一批 API 要呼叫。 把工作「同時丟出去」不難；麻煩的是後面這一串問題：</p>