2017-01-02 05:32
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What my local program does right now is connect to a websocket and updates a local file with a json whenever a message is received.

Is there a way to run the golang program online and then update and save the file as a json file online that I will be able to see? I'm not sure but I think I would need a web server?

For example, the program would generate a website like this ?

图片转代码服务由CSDN问答提供 功能建议

我的本​​地程序现在要做的是连接到Websocket,并在有消息时使用json更新本地文件 接收。

是否可以在线运行golang程序,然后将其在线更新并保存为json文件,这样我就能看到? 我不确定,但是我想我需要Web服务器吗?


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  • dongsha1544 2017-01-02 05:51

    Typically most websites generate JSON responses directly into the HTTP request, they don't write the results into a file that is then served over HTTP.

    You will need some kind of server that is exposed to the Internet either way. I would recommend you reading about how to use the HTTP server built into Go, so you don't need to write the results into a file: Once you gain a better understand on how web applications work, you can use higher level web frameworks that can help you be more productive, such as gin:

    If you would still really like to write the results in a file and serve that file, you may as well use Go as the web server, and use

    Example code of doing this:

    package main
    import (
    func main() {
        http.HandleFunc("/myfile.json", func(w http.ResponseWriter, r *http.Request) {
            http.ServeFile(w, r, "path/to/myfile.json")
        // Serve on HTTP port (80)
        log.Fatal(http.ListenAndServe(":80", nil))
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