private async void SearchBtn_Click(object sender, RoutedEventArgs e)
{
if (this.CurrentCityName == null || this.CurrentCityName == string.Empty)
{
var messageDialog = new MessageDialog("请先定位城市，然后再搜索");
await messageDialog.ShowAsync();
return;
}
//Helpers.ScenarioStarted(searchBtn, cancelBtn);
int retry = 0;
bool failed = true;
while (retry < 3 && failed)
{
try
{
string lineId = this.lineTextbox.Text;
string url = SogoMapService.GetBusInfoURL(this.CurrentCityName, lineId);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url);
HttpResponseMessage response = await httpClient.SendAsync(request,
HttpCompletionOption.ResponseHeadersRead);
string result = "";
using (Stream responseStream = await response.Content.ReadAsStreamAsync())
{
int read = 0;
byte[] responseBytes = new byte[1000];
do
{
read = await responseStream.ReadAsync(responseBytes, 0, responseBytes.Length);
string tmp = System.Text.Encoding.GetEncoding("GBK").GetString(responseBytes, 0, read);
result += tmp;
}while (read != 0);
}
this.CurrentBus = SogoMapService.GetBusInfo(result);
if (this.CurrentBus != null && this.CurrentBus.response.busError != null)
{
failed = false;
var messageDialog = new MessageDialog(this.CurrentBus.response.busError.errMsg);
await messageDialog.ShowAsync();
return;
}
else if (this.CurrentBus != null)
{
failed = false;
loadView(typeof(BusLineChoose));
return;
}
}
catch
{
failed = true;
retry++;
}
}
if (retry == 3 && failed)
{
var messageDialog = new MessageDialog("搜索结果有误，请修改搜索值重新搜索");
await messageDialog.ShowAsync();
}
}
