restful.go

main.go

package main
import "net/http"
import "fmt"
import "encoding/json"
type Product struct {
    Id  string `json:"id"`
    Name  string `json:"name"`
}

func get(url string, headers map[string]string, data interface{}) error {
	client := &http.Client{}
	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return err
	}
	for k, v := range headers {
		req.Header.Add(k, v)
	}
	resp, err := client.Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()
	err = json.NewDecoder(resp.Body).Decode(&data)
	if err != nil {
		fmt.Println(err)
		return err
	}
	return nil
}

func main() {
    var data []Product
    err := get("https://example.com",nil,&data)
    if err != nil {
        fmt.Println(err)
    }
    fmt.Println(data)
}