private async void LoginWebView_LoadCompleted(object sender, NavigationEventArgs e)
{
if (e.Uri.AbsoluteUri.Contains("passport.cnblogs.com"))
{
//若是登录页面,则设置用户名和密码
string js = @"var username =document.getElementById('input1');
if(username!= null && username!='undefined')
username.value='" + _loginViewModel.UserName + "';" +
@"var password =document.getElementById('input2');
if(password!= null && password!='undefined')
password.value='" + _loginViewModel.Password + "';";
await LoginWebView.InvokeScriptAsync("eval", new string[] { js });
}
LoginCompleted();
}
/// <summary>
/// 检查登录状态
/// </summary>
public async void CheckLoginStatus()
{
string login_js = "var o = document.getElementById('tip_btn');if(o) o.innerText;";
loginResult = await LoginWebView.InvokeScriptAsync("eval", new string[] { login_js });
if (loginResult.Contains("成功"))
{
return;
}
// 每隔100毫秒检测下状态
await Task.Delay(100);
CheckLoginStatus();
}
/// <summary>
/// 执行登录操作
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private async void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
try
{
// 用户名
string js = "document.getElementById('input1').setAttribute('value', '" + UserInputTextBox.Text + "');";
// 密码
js += "document.getElementById('input2').setAttribute('value', '" + PasswordInptutBox.Password + "');";
// 点击登录
js += "document.getElementById('signin').click();";
// 执行脚本文件
await LoginWebView.InvokeScriptAsync("eval", new string[] { js });
CheckLoginStatus();
}
catch (Exception ex)
{
await new MessageDialog(ex.Message).ShowAsync();
}
}
private async Task <string> InvokeScriptAsync(string js)
{
return(await LoginWebView.InvokeScriptAsync("eval", new string[] { js }));
}