/// <summary>
/// 获取验证码图片
/// </summary>
/// <param name="code">验证码类型（1：订单；其他：登录）</param>
/// <returns>返回bitmapimage结果</returns>
public static async Task <BitmapImage> GetVerifyCodeImageAsync(int code)
{
BitmapImage bmp = new BitmapImage();
byte[] buffer = new byte[4096];
string url = code == 1 ? Resources.SubmitOrderVerifyCodeUrl : Resources.LoginVerifyCodeUrl;
try
{
var stream = await TicketHelpers.GetStreamAsync(url);
if (stream.Length > 0)
{
using (MemoryStream ms = new MemoryStream())
{
int count = 0;
do
{
count = stream.Read(buffer, 0, buffer.Length);
ms.Write(buffer, 0, count);
} while (count != 0);
ms.Seek(0, SeekOrigin.Begin);
bmp.BeginInit();
bmp.StreamSource = ms;
bmp.CacheOption = BitmapCacheOption.OnLoad;
bmp.EndInit();
bmp.Freeze();
}
}
}
catch (Exception)
{ }
return(bmp);
}
/// <summary>
/// 保存用户登录信息
/// </summary>
/// <param name="loginName">登录名</param>
/// <param name="userPassword">密码</param>
/// <param name="chkRemeberMe">是否记住我</param>
/// <param name="chkAutoLogin">是否自动登录</param>
/// <returns></returns>
public static async Task SaveUserLoginInfoAsync(string loginName, string userPassword, bool chkRemeberMe, bool chkAutoLogin)
{
List <dynamic> lstUsers = await GetUserLoginInfoAsync();
// 是否有当前用户的信息
var user = (from u in lstUsers
where u.name == loginName
select u).FirstOrDefault <dynamic>();
if (user == null)
{
if (chkRemeberMe)
{
var model = new
{
name = loginName,
password = await EncryptAsync(userPassword),
isAutoLogin = chkAutoLogin
};
lstUsers.Add(model);
}
}
else
{
user.password = await EncryptAsync(userPassword);
user.isAutoLogin = chkAutoLogin;
if (!chkRemeberMe)
{
lstUsers.Remove(user);
}
}
JObject jsonUser = new JObject(
new JProperty("users", new JArray(
from u in lstUsers
select new JObject(
new JProperty("name", u.name),
new JProperty("password", u.password),
new JProperty("isAutoLogin", u.isAutoLogin)
)
))
);
await TicketHelpers.SaveFileAsync("Account", "json", jsonUser.ToString());
}
