/// <summary>
/// 检查用户是存在
/// </summary>
/// <param name="userName">用户名</param>
/// <param name="password">密码</param>
/// <returns>存在返回用户实体，否则返回NULL</returns>
public UserInfoDto CheckUser(string userName, string password)
{
var user = _dbContext.Set <UserInfoDto>().FirstOrDefault(x => x.LogonCode == userName);
if (user != null)
{
if (password != DesHelper.DecryptDES(user.Password, Consts.ENCRYPTKEY))
{
return(null);
}
}
return(user);
}