golang http example

// Code by Divyanshu Shekhar - https://divyanshushekhar.com/golang-http-server/ // Golang HTTP Server package main import ( "fmt" "log" "net/http" ) const ( // Host name of the HTTP Server Host = "localhost" // Port of the HTTP Server Port = "8080" ) func home(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, "This is a Simple HTTP Web Server!") } func main() { http.HandleFunc("/", home) err := http.ListenAndServe(Host+":"+Port, nil) if err != nil { log.Fatal("Error Starting the HTTP Server : ", err) return } }

golang http example

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"net/http"
)

type Response struct {
	Message string `json:"message"`
}

func GetRequest(rw http.ResponseWriter, req *http.Request) {
	rw.Header().Add("Content-Type", "application/json")

	if req.Method == "GET" {
		data := Response{Message: "Hello World From - GET"}
		json, _ := json.Marshal(data)
		fmt.Fprint(rw, string(json))
	} else {
		data := Response{Message: "Bad Request"}
		json, _ := json.Marshal(data)
		fmt.Fprint(rw, string(json))
	}
}

func PostRequest(rw http.ResponseWriter, req *http.Request) {
	rw.Header().Add("Content-Type", "application/json")

	if req.Method == "POST" {
		data := Response{Message: "Hello World From - POST"}
		json, _ := json.Marshal(data)
		fmt.Fprint(rw, string(json))
	} else {
		data := Response{Message: "Bad Request"}
		json, _ := json.Marshal(data)
		fmt.Fprint(rw, string(json))
	}
}

func main() {
	http.HandleFunc("/get", GetRequest)
	http.HandleFunc("/post", PostRequest)

	log.Fatal(http.ListenAndServe(":8000", nil))
}

Posted by: Guest on October-06-2021

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