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A little signal. Less noise.

DISCOVER

Catalog Categories

CATEGORIES

Categories will appear when the source is connected.

More possibility. Less searching.

A considered collection of AI tools, trials, and opportunities.

RADAR / PostgreSQLStorage available

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A little signal. Less noise.

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Spring Boot 实时数据推送怎么做?把 3 秒轮询升级成 WebSocket(附断线降级方案)

掘金

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设备看板要"实时",新手第一反应是前端 setInterval 轮询。能用,但有两个天生的毛病。这篇用我设备接入平台里的真实代码,讲清楚轮询 → WebSocket 的完整升级路径,以及最容易被忽略的

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Provider: 掘金
Source: juejin-rss
Score: 57.38
Confidence: 54%

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What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.

JuejinObserved: Sep 28, 2026Source reliability: 60%
Spring Boot 实时数据推送怎么做?把 3 秒轮询升级成 WebSocket(附断线降级方案). 设备看板要"实时",新手第一反应是前端 setInterval 轮询。能用,但有两个天生的毛病。这篇用我设备接入平台里的真实代码,讲清楚轮询 → WebSocket 的完整升级路径,以及最容易被忽略的
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Spring Boot 实时数据推送怎么做?把 3 秒轮询升级成 WebSocket(附断线降级方案)

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RADARGood tools open new possibilities.Explore thoughtfully. Create freely.

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The catalog shows persisted RADAR opportunities. Storage availability does not mean sources are verified or offers are active.