golang24/handler.go

33 lines
798 B
Go

package main
// Import necessary packages
import (
"encoding/json"
"fmt"
"net/http"
)
// Define the handler function
func handler(req http.ResponseWriter, res *http.Request) {
// Initialize a map to hold the response body
response := map[string]string{
"message": "Hello, World!", // Set the message to "Hello, World!"
}
// Set the Content-Type header to application/json
req.Header().Set("Content-Type", "application/json")
// Encode the response map into JSON and write it to the response
json.NewEncoder(req).Encode(response)
// Marshal the response map into JSON
responseJson, err := json.Marshal(response)
if err != nil {
http.Error(req, err.Error(), http.StatusInternalServerError)
return
}
// Print the JSON response to stdout
fmt.Println(string(responseJson))
}