private void Reader_OnReadCardCompleted(object sender, ReadCardCompletedEventArgs e)
{
txt.Dispatcher.BeginInvoke(new Action(() =>
{
txt.Text = e.Name + e.IDC;
}));
reader.Stop();
reader.Close();
}
private void Retrieve(string content, ReadCardCompletedEventArgs e)
{
// 提取姓名
e.Name = content.Substring(0, 15).Trim();
// 提取性别
e.Gender = (content[15] == '1') ? "男" : "女";
// 提取民族编码和民族名称
e.EthnicCode = content.Substring(16, 2);
e.EthnicName = Ethnics.Contains(e.EthnicCode) ? (string)Ethnics[e.EthnicCode] : string.Empty;
// 获取出生日期
e.Birth = DateTime.ParseExact(content.Substring(18, 8), "yyyyMMdd", System.Globalization.CultureInfo.InvariantCulture).ToString("yyyy-MM-dd");
// 获取住址
e.Address = content.Substring(26, 35).Trim();
// 获取身份证编码
e.IDC = content.Substring(61, 18).Trim();
// 获取签发机关
e.IssuingAuthority = content.Substring(79, 15).Trim();
// 获取有效期限开始日期
e.ValidDateStart = DateTime.ParseExact(content.Substring(94, 8), "yyyyMMdd", System.Globalization.CultureInfo.InvariantCulture).ToString("yyyy.MM.dd");
// 获取有限期限截止日期
if (content.Substring(102, 2).Equals("长期"))
{
e.ValidDateEnd = "长期";
}
else
{
e.ValidDateEnd = DateTime.ParseExact(content.Substring(102, 8), "yyyyMMdd", System.Globalization.CultureInfo.InvariantCulture).ToString("yyyy.MM.dd");
}
}
/// <summary>
/// 线程池回调方法
/// </summary>
/// <param name="state">回调方法要使用的信息对象</param>
private void CardReaderCallback(Object state)
{
InnerIsAlive = true;
try
{
// 读取身份证
while (true)
{
if (shouldStop)
{
break;
}
// 等待外部同步信号
if (ExternalSyncEvent != null)
{
ExternalSyncEvent.WaitOne();
if (shouldStop)
{
break;
}
}
// 验证卡
if (Authenticate() >= 0)
{ // 读基本信息
if (ReadContent() >= 0)
{ // 存储身份证信息
ReadCardCompletedEventArgs Args = new ReadCardCompletedEventArgs();
if (File.Exists(CHMsgFileName))
{ // 文字信息
using (StreamReader sr = new StreamReader(CHMsgFileName, Encoding.Unicode, true))
{ // 提取数据
Retrieve(sr.ReadToEnd(), Args);
}
}
// 照片信息
if (((IDCardBiometrics)state & IDCardBiometrics.Photo) == IDCardBiometrics.Photo)
{
if (File.Exists(PhotoFileName))
{
using (FileStream fs = new FileStream(PhotoFileName, FileMode.Open, FileAccess.Read))
{
Args.Photo = new byte[fs.Length];
fs.Read(Args.Photo, 0, (int)fs.Length);
}
}
}
// 关闭读卡操作，等待下次信号
if (ExternalSyncEvent != null)
{
ExternalSyncEvent.Reset();
if (shouldStop)
{
break;
}
}
// 处理读卡结束事件
if (OnReadCardCompleted != null)
{
OnReadCardCompleted(this, Args);
}
}
}
} // End While
}
catch (Exception exception)
{
// 阻止异常抛出
}
finally
{
InnerIsAlive = false;
}
}
