my/go/l17.go

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package main
import (
"log"
"github.com/joho/godotenv"
"os"
"strings"
"net/http"
"time"
"encoding/json"
"fmt"
)
type OpenWeather struct{
City string `json:"name"`
Main struct {
Temp float64 `json:"temp"`
} `json:"main"`
}
func main() {
err := godotenv.Load()
if err != nil {
log.Fatalf("%v\n", err)
}
api := os.Getenv("openweathermap")
city := os.Getenv("city_openweather")
client := &http.Client{
Timeout: 20 * time.Second,
}
link := "https://api.openweathermap.org/data/2.5/weather?q=" + city + "&units=metric&appid=" + api
url := strings.ReplaceAll(link, " ", "%20")
req, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Fatalf("%v\n", err)
}
resp, err := client.Do(req)
if err != nil {
log.Fatalf("%v\n", err)
}
var WeatherData OpenWeather
err = json.NewDecoder(resp.Body).Decode(&WeatherData)
if err != nil {
log.Fatalf("%v\n", err)
}
fmt.Println(WeatherData.City, WeatherData.Main.Temp)
}