private async void btnLogin_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(tbUserName.Text))
{
tbUserName.Focus(FocusState.Keyboard);
return;
}
if (string.IsNullOrEmpty(tbPassword.Password))
{
tbPassword.Focus(FocusState.Keyboard);
return;
}
if (string.IsNullOrEmpty(tbCheckcode.Text.Trim()))
{
tbCheckcode.Focus(FocusState.Keyboard);
return;
}
if (user.UserInfo == null)
{
user.UserInfo = new UserJWGLEntity();
}
user.UserInfo.UserName = tbUserName.Text.Trim();
user.UserInfo.Password = tbPassword.Password.Trim();
string checkCode = tbCheckcode.Text.Trim();
try
{
tbTips.Text = "登录中，请稍后···";
//简单单例模式，献丑了
gd = GDJWGL.GDJWGLInit();
if (client == null)
{
await new MessageDialog("重新输入验证码").ShowAsync();
imgCheckcode_PointerPressed(null, null);
tbCheckcode.Text = "";
return;
}
HttpResponseMessage response = await client.GetAsync(new Uri("http://gdjwgl.bjut.edu.cn/default2.aspx"));
//HttpCookieCollection cookieCollection = filter.CookieManager.GetCookies(new Uri("http://gdjwgl.bjut.edu.cn/default2.aspx"));
string responseHtml = await response.Content.ReadAsStringAsync();
__VIEWSTATEString = gd.GetVIEWSTATE(responseHtml);
if (__VIEWSTATEString == "")
{
tbTips.Text = "登录失败！";
tbPassword.Password = "";
imgCheckcode_PointerPressed(null, null);
tbCheckcode.Text = "";
return;
}
IDictionary <string, string> parameters = new Dictionary <string, string>();
parameters.Add("__VIEWSTATE", __VIEWSTATEString);
parameters.Add("txtUserName", user.UserInfo.UserName);
parameters.Add("TextBox2", user.UserInfo.Password);
parameters.Add("txtSecretCode", checkCode);
parameters.Add("RadioButtonList1", "学生");
parameters.Add("Button1", "");
parameters.Add("lbLanguage", "");
parameters.Add("hidPdrs", "");
parameters.Add("hidsc", "");
HttpFormUrlEncodedContent postData = new HttpFormUrlEncodedContent(parameters);
//HttpStringContent content = new HttpStringContent(postData);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, new Uri("http://gdjwgl.bjut.edu.cn/default2.aspx"));
//request.Headers["Referer"] = "http://gdjwgl.bjut.edu.cn/default2.aspx";
request.Headers["ContentType"] = "application/x-www-form-urlencoded";
request.Content = postData;
HttpResponseMessage respones = await client.SendRequestAsync(request);
string stringRespones = await respones.Content.ReadAsStringAsync();
//Windows.Storage.Streams.IInputStream streamRespones = await respones.Content.ReadAsInputStreamAsync()
gd.StudentName = gd.GetName(stringRespones);
gd.StudentID = user.UserInfo.UserName;
gd.loginInfo.ergs = null;
gd.loginInfo.ob = filter;
if (gd.StudentName == "")
{
tbTips.Text = "登录失败！检查用户名或密码！";
tbPassword.Password = "";
imgCheckcode_PointerPressed(null, null);
tbCheckcode.Text = "";
return;
}
await new MessageDialog(String.Format("欢迎你，{0}同学！", gd.StudentName)).ShowAsync();
btnLogoff.IsEnabled = true;
btnLogin.IsEnabled = false;
if (cbSave.IsChecked == true)
{
user.SaveUserInfo();
}
//登录成功，隐藏登录界面，显示教务管理主页
gridContent.Visibility = Visibility.Visible;
gridLogin.Visibility = Visibility.Collapsed;
}
catch (Exception ex)
{
tbTips.Text = "登录失败！检查你的网络连接！";
imgCheckcode_PointerPressed(null, null);
tbCheckcode.Text = "";
}
}