/// <summary>將 QueryString 資料以 WebAPI GET 傳輸方式傳送至遠端伺服器</summary>
/// <param name="url">遠端伺服器網址</param>
/// <param name="queryString">欲傳送的資料</param>
/// <param name="timeout">逾時時間，單位豪秒</param>
/// <returns>自遠端伺服器回傳的資料(或網頁內容)</returns>
/// <exception cref="ArgumentNullException">url 參數為 null。</exception>
/// <exception cref="ArgumentOutOfRangeException">逾時時間小於等於 0。</exception>
/// <exception cref="WebException">傳輸錯誤</exception>
public static string GetWebAPI(string url, NameValueCollection queryString, int timeout = 5000)
{
string result = null;
if (string.IsNullOrEmpty(url))
{
throw new ArgumentNullException("url");
}
if (timeout <= 0)
{
throw new ArgumentOutOfRangeException("timeout");
}
using (ExtWebClient wc = new ExtWebClient(timeout))
{
wc.Encoding = System.Text.Encoding.UTF8;
if (queryString != null)
{
wc.QueryString = queryString;
}
result = wc.DownloadString(url);
}
return(result);
}
