/// <summary>
/// GetToday.
/// </summary>
/// <returns></returns>
[HttpGet]
[Route("GetTime/Today")]
public MyDateTime GetToday()
{
 var now = DateTime.Now;
 return new MyDateTime
 {
  Year = now.Year,
  Month = now.Month,
  Day = now.Day,
  Hour = now.Hour,
  Minute = now.Minute,
  Second = now.Second,
 };
}

var httpClient = new HttpClient();
var url = "http://localhost:5000/GetTime/Today";
var response = await httpClient.GetAsync(new Uri(url));

var httpClient = new HttpClient(new HttpClientHandler
{
 UseProxy = true, // 使用代理，
 Proxy = new WebProxy(new Uri("http://localhost:8888")) // port:8888就是Fiddler默認(rèn)監(jiān)聽(tīng)的端口
});

var url = "http://localhost:5000/GetTime/Today";
var response = await httpClient.GetAsync(new Uri(url));

System.setProperty("http.proxyHost", "localhost");
System.setProperty("http.proxyPort", "8888");
System.setProperty("https.proxyHost", "localhost");
System.setProperty("https.proxyPort", "8888");