本篇文章主要是结合我之前面试的各种经历和实战开发中遇到的问题解决经验整理的,希望这篇《能否同时运行 Http.ListenAndServe() 和 ReadFromUDP() 函数?》对你有很大帮助
本篇文章主要是结合我之前面试的各种经历和实战开发中遇到的问题解决经验整理的,希望这篇《能否同时运行 Http.ListenAndServe() 和 ReadFromUDP() 函数?》对你有很大帮助!欢迎收藏,分享给更多的需要的朋友学习~
问题内容我正在尝试编写一个简单的 WEB 应用程序来侦听 udp 数据包。
但是我要么只监听 udp 数据包,要么运行 web 应用程序... 我不熟悉 golang,但这是我用来...的代码 监听udp:
serverconn, _ := net.listenudp("udp", &net.udpaddr{ip:[]byte{#,#,#,#},port:####,zone:""})
defer serverconn.close()
buf := make([]byte, 1024)
for {
n, addr, _ := serverconn.readfromudp(buf)
fmt.println("received ", string(buf[0:n]), " from ", addr)
}
服务器逻辑:
package main
we import 4 important libraries
1. “net/http” to access the core Go http functionality
2. “fmt” for fORMatting our text
3. “html/template” a library that allows us to interact with our html file.
4. "time" - a library for working with date and time.
import (
"net/http"
"fmt"
"time"
"html/template"
)
//create a struct that holds information to be displayed in our html file
type welcome struct {
name string
time string
}
//go application entrypoint
func main() {
//instantiate a welcome struct object and pass in some random information.
//we shall get the name of the user as a query parameter from the url
welcome := welcome{"anonymous", time.now().format(time.stamp)}
//we tell go exactly where we can find our html file. we ask go to parse the html file (notice
// the relative path). we wrap it in a call to template.must() which handles any errors and halts if there are fatal errors
templates := template.must(template.parsefiles("templates/welcome-template.html"))
//our html comes with CSS that go needs to provide when we run the app. here we tell go to create
// a handle that looks in the static directory, go then uses the "/static/" as a url that our
//html can refer to when looking for our css and other files.
http.handle("/static/", //final url can be anything
http.stripprefix("/static/",
http.fileserver(http.dir("static")))) //go looks in the relative "static" directory first using http.fileserver(), then matches it to a
//url of our choice as shown in http.handle("/static/"). this url is what we need when referencing our css files
//once the server begins. our html code would therefore be <link rel="stylesheet" href="/static/stylesheet/...">
//it is important to note the url in http.handle can be whatever we like, so long as we are consistent.
//this method takes in the url path "/" and a function that takes in a response writer, and a http request.
http.handlefunc("/" , func(w http.responsewriter, r *http.request) {
//takes the name from the url query e.g ?name=martin, will set welcome.name = martin.
if name := r.formvalue("name"); name != "" {
welcome.name = name;
}
//if errors show an internal server error message
//i also pass the welcome struct to the welcome-template.html file.
if err := templates.executetemplate(w, "welcome-template.html", welcome); err != nil {
http.error(w, err.error(), http.statusinternalservererror)
}
})
//start the web server, set the port to listen to 8080. without a path it assumes localhost
//print any errors from starting the webserver using fmt
fmt.println("listening");
fmt.println(http.listenandserve(":8080", nil));
}
取自(https://medium.com/google-cloud/building-a-go-web-app-from-scratch-to-deploying-on-google-cloud-part-1-building-a-简单-go-aee452a2e654)
我尝试将这两个提取物放入 1 个文件中,并使用
同时运行 2 个文件go run *.go
如有任何帮助,我们将不胜感激!
您将需要开始研究 goroutine - 因为您要求同时做两件事。我建议对通道、goroutines 和并发进行一些阅读:)
今天关于《能否同时运行 http.ListenAndServe() 和 ReadFromUDP() 函数?》的内容就介绍到这里了,是不是学起来一目了然!想要了解更多关于的内容请关注编程网公众号!
--结束END--
本文标题: 能否同时运行 http.ListenAndServe() 和 ReadFromUDP() 函数?
本文链接: https://www.lsjlt.com/news/595815.html(转载时请注明来源链接)
有问题或投稿请发送至: 邮箱/279061341@qq.com QQ/279061341
下载Word文档到电脑,方便收藏和打印~
2024-04-05
2024-04-05
2024-04-05
2024-04-04
2024-04-05
2024-04-05
2024-04-05
2024-04-05
2024-04-04
回答
回答
回答
回答
回答
回答
回答
回答
回答
回答
一口价域名售卖能注册吗?域名是网站的标识,简短且易于记忆,为在线用户提供了访问我们网站的简单路径。一口价是在域名交易中一种常见的模式,而这种通常是针对已经被注册的域名转售给其他人的一种方式。
一口价域名买卖的过程通常包括以下几个步骤:
1.寻找:买家需要在域名售卖平台上找到心仪的一口价域名。平台通常会为每个可售的域名提供详细的描述,包括价格、年龄、流
443px" 443px) https://www.west.cn/docs/wp-content/uploads/2024/04/SEO图片294.jpg https://www.west.cn/docs/wp-content/uploads/2024/04/SEO图片294-768x413.jpg 域名售卖 域名一口价售卖 游戏音频 赋值/切片 框架优势 评估指南 项目规模
0