https://index.zshipu.com/stock002/tags/%E4%BD%8E%E6%88%90%E6%9C%AC%E6%9E%B6%E6%9E%84/ Recent content in 低成本架构 on 股票资讯 -- 知识铺 Hugo -- gohugo.io zh-CN Fri, 04 Sep 2026 00:00:00 +0000 https://index.zshipu.com/stock002/post/20260904/%E7%94%A8WebSocket%E5%92%8CREST%E6%90%AD%E5%BB%BA%E6%AF%8F%E6%97%A5%E6%88%90%E6%9C%AC5%E7%BE%8E%E5%85%83%E4%BB%A5%E4%B8%8B%E7%9A%84%E7%BE%8E%E8%82%A1%E5%AE%9E%E6%97%B6%E7%9B%91%E6%8E%A7/ Fri, 04 Sep 2026 00:00:00 +0000 https://index.zshipu.com/stock002/post/20260904/%E7%94%A8WebSocket%E5%92%8CREST%E6%90%AD%E5%BB%BA%E6%AF%8F%E6%97%A5%E6%88%90%E6%9C%AC5%E7%BE%8E%E5%85%83%E4%BB%A5%E4%B8%8B%E7%9A%84%E7%BE%8E%E8%82%A1%E5%AE%9E%E6%97%B6%E7%9B%91%E6%8E%A7/ 搭建个人美股监控时，作者发现专业实时数据终端最低也要200美元每月。两周测试后改用WebSocket获取实时报价、REST拉取历史分钟K线的混合方案，总成本压到每天5美元以下，延迟满足需求。这篇文档记录了具体技术选型，方便直接复现。 WebSocket 推送实时报价把延迟压到百毫秒级 WebSocke