编辑“︁C Sharp HTTP 客户端”︁（章节）

=== 天气API客户端 ===
<syntaxhighlight lang="csharp">
public class WeatherService
{
    private readonly HttpClient _httpClient;
    
    public WeatherService(HttpClient httpClient)
    {
        _httpClient = httpClient;
        _httpClient.BaseAddress = new Uri("https://api.weatherapi.com/v1/");
    }
    
    public async Task<WeatherData> GetCurrentWeatherAsync(string location)
    {
        var response = await _httpClient.GetAsync($"current.json?key=YOUR_API_KEY&q={location}");
        response.EnsureSuccessStatusCode();
        
        return await response.Content.ReadFromJsonAsync<WeatherData>();
    }
}

// 使用示例
var weatherService = new WeatherService(new HttpClient());
var weather = await weatherService.GetCurrentWeatherAsync("London");
Console.WriteLine($"当前温度: {weather.Current.TempC}°C");
</syntaxhighlight>