国家信息

复制import requests

# 使用 REST Countries API 获取国家信息
country_name = "China"
url = f"https://restcountries.com/v3.1/name/{country_name}"

try:
    resp = requests.get(url, timeout=10)
    resp.raise_for_status()
    data = resp.json()[0]

    # 提取关键字段
    capital = data.get("capital", ["N/A"])[0]
    currencies = list(data.get("currencies", {}).keys())
    languages = list(data.get("languages", {}).values())
    timezones = data.get("timezones", [])
    flag_url = data.get("flags", {}).get("png", "")

    print(f"首都: {capital}")
    print(f"货币: {', '.join(currencies)}")
    print(f"语言: {', '.join(languages)}")
    print(f"时区: {', '.join(timezones)}")
    print(f"国旗URL: {flag_url}")
except requests.exceptions.RequestException as e:
    print(f"请求失败: {e}")

复制package main

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"time"
)

type CountryInfo struct {
	Name struct {
		Common string `json:"common"`
	} `json:"name"`
	Capital   []string          `json:"capital"`
	Currencies map[string]struct {
		Name string `json:"name"`
	} `json:"currencies"`
	Languages map[string]string `json:"languages"`
	Timezones []string          `json:"timezones"`
	Flags     struct {
		Png string `json:"png"`
	} `json:"flags"`
}

func main() {
	client := &http.Client{Timeout: 10 * time.Second}
	resp, err := client.Get("https://restcountries.com/v3.1/name/China")
	if err != nil {
		fmt.Println("请求失败:", err)
		return
	}
	defer resp.Body.Close()

	body, _ := io.ReadAll(resp.Body)
	var countries []CountryInfo
	json.Unmarshal(body, &countries)

	if len(countries) == 0 {
		fmt.Println("未找到国家")
		return
	}

	c := countries[0]
	fmt.Println("首都:", c.Capital[0])
	for code := range c.Currencies {
		fmt.Println("货币:", code)
	}
	for _, lang := range c.Languages {
		fmt.Println("语言:", lang)
	}
	fmt.Println("时区:", c.Timezones[0])
	fmt.Println("国旗URL:", c.Flags.Png)
}

复制// 使用 fetch 调用 REST Countries API
const countryName = 'China';

fetch(`https://restcountries.com/v3.1/name/${countryName}`)
  .then(resp => {
    if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
    return resp.json();
  })
  .then(data => {
    const c = data[0];
    console.log('首都:', c.capital?.[0] ?? 'N/A');
    console.log('货币:', Object.keys(c.currencies || {}).join(', '));
    console.log('语言:', Object.values(c.languages || {}).join(', '));
    console.log('时区:', c.timezones?.join(', '));
    console.log('国旗URL:', c.flags?.png);
  })
  .catch(err => console.error('请求失败:', err.message));