/// <summary>
/// 获取微信头像
/// </summary>
/// <param name="username"></param>
/// <returns></returns>
public async Task <string> GetHeadImgBase64Async(string username)
{
if (username.Contains("@@")) //讨论组
{
byte[] bytes = await Service.DownloadBytesAsync(_getheadimg_url + username);
return(Convert.ToBase64String(bytes));
}
else
{
byte[] bytes = await Service.DownloadBytesAsync(_geticon_url + username);
return(Convert.ToBase64String(bytes));
}
}
/// <summary>
/// 获取登录二维码
/// 网页版微信登录第一步
/// </summary>
/// <returns></returns>
public async Task <Image> GetQRCodeAsync()
{
byte[] bytes = await Service.DownloadBytesAsync(_session_id_url);
_session_id = Encoding.UTF8.GetString(bytes).Split(new string[] { "\"" }, StringSplitOptions.None)[1];
bytes = await Service.DownloadBytesAsync(_qrcode_url + _session_id);
return(Image.FromStream(new MemoryStream(bytes)));
}