go web app 12 json response

 

get json response from go server

//main.go

package main

import (

"encoding/json"

"html/template"

"net/http"

"github.com/gorilla/mux"

)

type car struct {

Color   string

Mileage int

Model   string

}

var templates *template.Template

var truck = car{

Color:   "black",

Mileage: 12345,

Model:   "F-150",

}

var sedan = car{

Color:   "white",

Mileage: 321,

Model:   "Corolla",

}

func indexGetHandler(w http.ResponseWriter, r *http.Request) {

//templates.ExecuteTemplate(w, "index.html", []car{truck, sedan})

w.Header().Set("Content-Type", "application/json")

w.WriteHeader(http.StatusCreated)

json.NewEncoder(w).Encode([]car{truck, sedan})

}

func main() {

templates = template.Must(template.ParseGlob("templates/*.html"))

r := mux.NewRouter()

r.HandleFunc("/", indexGetHandler).Methods("GET")

//r.HandleFunc("/", indexPostHandler).Methods("POST")

http.Handle("/", r)

http.ListenAndServe(":8000", nil)

}

reference:

https://stackoverflow.com/questions/31622052/how-to-serve-up-a-json-response-using-go

http://chuanshuoge2.blogspot.com/2020/10/go-web-app-11-template-advanced.html