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The wechat technology account of "Wei Feng Chen" has been opened. In order to get the first-hand push of technical articles, you are welcome to search and pay attention! preface With the gradual deepening of the technical points discussed in this series, the official test server mentioned earlier can no longer meet the needs of our ...

At that time, the project was developed for a media company in mid-2019. It has many functions, but it does not involve many technical points. It may be the reason why customers need fewer functions. But it's still quite cumbersome, because there are many function points. Dominate the screen, grab red envelopes, interaction, crowdfunding, cash ...

prefaceBefore the emergence of WebSocket, the front-end and back-end interaction usually used Ajax for HTTP API communication. However, if there are projects with real-time requirements, such as PVP battle or push message in chat room or game, the front-end needs to poll the back-end regularly. However, too fast polling may lead to too much pre ...

Recently, the software project at hand needs to use fingerprint collector, so I went to a treasure and found that there are few mature fingerprint acquisition module manufacturers. Found a company with the highest sales. The price is also very cheap. Most of them have desktop versions and Internet Explorer plug-ins, but none of them have G ...

prefaceRecently, there is a private message function in the project, which needs to use websocket, so I looked for information on the Internet and summarized some experience in practice to share with you.problemBefore I do this, let me ask you a question:The SpringBoot project integrates webSocket. When the client establishes a connection with ...

1, Introduction Technology stack: Java: 1.8 SpringBoot: 2.2.2.RELEASE Netty: 4.1.32.Final For basic understanding, refer to the following article: https://blog.csdn.net/DreamsArchitects/article/details/120177336 Current time: 17:02:38, December 31, 2021 As the last year of 2021, blog. 2, Question 2.1 start server mode Previously, the ...

preface Recently, webSocket has been used in the development of H5 and APP. Sometimes the network of web/app is unstable or the server is disconnected actively, which leads to the failure of message push, and the client needs to be reconnected. After consulting the data, we found a heartbeat mechanism, that is, the client sends a message to ...

There are many ways to implement websocket with springboot, and the simplest one is to implement it with @ ServerEndpoint annotation. First, we need to introduce the dependency of websocket: pom. XML (the most important dependency) <!--ws--> <dependency> <groupId>org.springframework.boot</groupId> <artifactI ...

1, Overview 1.1 what is WebSocket?? WebSocket is a protocol for full duplex communication over a single TCP connection. WebSocket communication protocol was defined as standard RFC 6455 by IETF in 2011 and supplemented by RFC7936. The WebSocket API is also standardized by W3C. WebSocket makes the data exchange between the client and the ...

The original text is reproduced from "Liu Yue's technology blog" https://v3u.cn/a_id_202 "Desire for expression" is a powerful "source power" in the history of human growth. Engels pointed out bluntly that human beings in the ignorant era, that is, the low-level stage, "take fruits, nuts and roots as food; th ...