golang implements a simple HTTP service (go language implements http get parameter transfer)

How to use golang to implement http service and pass parameters in browser? This article uses a simple code to implement an http server in go language.

code

h.go

 package main
 
import (
    "fmt"
    "net/http"
)

// 处理GET请求
func handleGet(writer http.ResponseWriter, request *http.Request) {
    
    // 获取URL的参数
    query := request.URL.Query()
    // 获得URL的id
    id := query.Get("id")

    // 输出到页面（JSON）
    fmt.Fprintf(writer, `{'id':`+id+`}`)
}

func main() {
    http.HandleFunc("/", handleGet)
    fmt.Printf("http://127.0.0.1:8080")
    // 在8080端口开启HTTP服务
    err := http.ListenAndServe("127.0.0.1:8080", nil)
    if err != nil {
        fmt.Println("http start failed err:", err)
        return
    }
}

cmd run

browser demo

author

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