/// <summary>
/// Downloads the resource at the specified Uri as a string.
/// </summary>
/// <param name="address">The location of the resource to be downloaded.</param>
public void DownloadStringAsync(string address, List<APIParameter> paras, HttpMethod method=HttpMethod.POST)
{
if (paras == null || paras.Count == 0) throw new ArgumentNullException("The paras required!");
HttpWebRequest request;
try
{
// POST
if (method == HttpMethod.POST)
{
RequestState state = new RequestState();
request = (HttpWebRequest)WebRequest.Create(address);
request.Method = HttpMethod.POST.ToString();
request.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
//平台统计用
request.UserAgent = "Renren Windows Phone SDK v2.0 (windows phone; windows phone 7.1)";
state.request = request;
state.paras = paras;
request.BeginGetRequestStream(new AsyncCallback(RequestReady), state);
}
else if (method == HttpMethod.GET)
{
address = ApiHelper.AddParametersToURL(address, paras);
request = (HttpWebRequest)WebRequest.Create(address);
request.Method = HttpMethod.GET.ToString();
request.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
request.BeginGetResponse(new AsyncCallback(ResponseReady), request);
}
}
catch
{
if (DownloadStringCompleted != null)
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
DownloadStringCompleted(this, new DownloadStringCompletedEventArgs(new Exception("Error creating HTTP web request.")));
});
}
}
}
/// <summary>
/// Downloads the resource at the specified Uri as a string.
/// </summary>
/// <param name="address">The location of the resource to be downloaded.</param>
public void DownloadStringAsyncWithFile(string address,List<APIParameter> paras,List<APIParameter> files)
{
if (paras == null || paras.Count == 0) throw new ArgumentNullException("The paras required!");
if (files == null || files.Count == 0) throw new ArgumentNullException("The files required!");
HttpWebRequest request;
RequestState state = new RequestState();
try
{
request = (HttpWebRequest)WebRequest.Create(address);
boundary = DateTime.Now.Ticks.ToString("X");
request.Method = HttpMethod.POST.ToString();
request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
state.request = request;
state.paras = paras;
state.files = files;
request.BeginGetRequestStream(new AsyncCallback(RequestReadyWithFile), state);
}
catch
{
if (DownloadStringCompleted != null)
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
DownloadStringCompleted(this, new DownloadStringCompletedEventArgs(new Exception("Error creating HTTP web request.")));
});
}
}
}
