Is golang not suitable for web development?

In terms of network programming, Go language is widely used in Web applications, API applications, download applications, etc.; ##It is very convenient to use go language for web development. If you don't use a framework, you can quickly develop a web application by just using the net/http package.

However, the official package does not support RESTful style API, so we still need to choose a framework to help us develop. We enter web on github, select the go language project, and sort by the number of stars. There are probably the following projects, which are relatively popular in the community:

caddy
gin
beego
martini
gotty
echo
revel
iris

Among them worth it One thing to mention is that beggo is a project developed and maintained by Chinese people. As the initial learning stage, we chose the famous gin project to explore.

Create project installation dependencies

mkdir gin-demo
// add to env var
cd gin-demo
go get github.com/gin-gonic/gin
cd src
touch main.go

Hello World

package main
import "github.com/gin-gonic/gin"
func main() {
    r := gin.Default()
    r.GET("/ping", func(c *gin.Context) {
        c.JSON(200, gin.H{
            "message": "pong",
        })
    })
    r.Run() // listen and serve on 0.0.0.0:8080
}

When we run this code, the program It will listen to port 8080 and access it through the browser, and pong will be displayed on the page. Analyze this code. First, import the gin package, obtain an engine instance, and then distribute routes and monitor ports.

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