https://5py.top/tags/%E8%BF%9E%E6%8E%A5/Recent content in 连接 on 吾便宜Hugo -- gohugo.iozh-CN© 2026 吾便宜Wed, 24 Jun 2026 22:48:00 +0800https://5py.top/posts/long-vs-short-connection/Wed, 24 Jun 2026 22:48:00 +0800https://5py.top/posts/long-vs-short-connection/<figure class="article-illustration"> <img src="https://img.5py.top/img/tun-mode.svg" alt="长连接与短连接示意" loading="lazy" decoding="async"> </figure> <p><em>插图来源：<a href="https://storyset.com/" target="_blank" rel="noreferrer">Storyset</a></em></p> <h2 class="relative group">一句话 <div id="一句话" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e4%b8%80%e5%8f%a5%e8%af%9d" aria-label="锚点">#</a> </span> </h2> <ul> <li><strong>长连接</strong>：建一次连接，长期用。App 和服务器保持一条&quot;热线&quot;，有消息立刻推过来。</li> <li><strong>短连接</strong>：用一次建一次，用完就断。下次要数据，重新建。</li> </ul> <h2 class="relative group">为什么有些 App 总断 <div id="为什么有些-app-总断" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e4%b8%ba%e4%bb%80%e4%b9%88%e6%9c%89%e4%ba%9b-app-%e6%80%bb%e6%96%ad" aria-label="锚点">#</a> </span> </h2> <p>三个原因，按常见程度排：</p>