/// <summary>
/// 添加用户
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public UserContract AddUser(UserContract user)
{
user.UserId = Guid.NewGuid();
var entity = user.MapTo <UserEntity>();
entity.CreateTime = DateTime.Now;
entity.Secretkey = SecurityHelper.GetSha256Hash(WatchHelper.CreateNo(), 16).ToLower();
entity.Password = SecurityHelper.GetSha256Hash(DesEncrypt.Encrypt(SecurityHelper.GetSha256Hash(user.Password, 32).ToLower(), entity.Secretkey).ToLower(), 32).ToLower();
this._db.User.Add(entity);
this._db.SaveChanges();
return(user);
}