考勤系统功能实现——打卡

作者: HereIgo | 来源:发表于2019-07-12 15:02 被阅读0次

考勤系统功能实现——打卡
考勤系统功能实现——打卡
2018-07-09
考勤系统功能实现
考勤系统功能实现
2019-07-12 11、考勤系统总结报告
考勤系统功能实现——统计
考勤系统功能实现——查询
考勤系统功能实现——注册
考勤系统功能实现——注册

1.打卡界面

打卡.PNG

2.相关代码

自动获取串口列表

private void ServiceForm_Load(object sender, EventArgs e)
{
// [TODO] 自动获取串口列表并显示到comboBoxCOMList中
string[] ArryPort = SerialPort.GetPortNames();
comboBoxCOMList.Items.Clear();
for (int i = 0; i < ArryPort.Length; i++)
{
comboBoxCOMList.Items.Add(ArryPort[i]);
}
}

/// <summary>
/// 初始化串口参数
/// </summary>
private void InitSerialPort()
{
// [TODO] 设置串口参数
serialPort1.PortName = comboBoxCOMList.Text;
serialPort1.BaudRate = 115200;
serialPort1.DataBits = 8;
serialPort1.Parity = Parity.None;
}

/// <summary>
/// 从RFID卡中读取职员编号，数据位于第00块中
/// </summary>
/// <param name="UID">RFID卡自身编号</param>
/// <param name="strBlockIndex">数据块索引号</param>
/// <returns>职员编号</returns>
private string ReadSingleBlock(string UID, string strBlockIndex)
{
// 格式化读写命令
string command = string.Format(ISO15693Card.COMMAND_READ_SINGLE_BLOCK, UID, strBlockIndex);

serialPort1.Write(command);// 写命令
Thread.Sleep(MILLISECOND_IN_SLEEP);// 睡眠一段时间

string response = "";
if (serialPort1.BytesToRead > 0)
{
response = serialPort1.ReadExisting();
string stuffId = ISO15693CardHandler.GenerateBlockData(response);
stuffId = stuffId.TrimStart('0');
this.toolStripStatusLabel1.Text = "读取到职员编号为" + stuffId;
return stuffId;
}

return null;
}

向卡中写入数据

/// <summary>
/// 向RFID卡第00块写入职员编号
/// </summary>
/// <param name="UID">RFID卡自身编号</param>
/// <param name="strBlockIndex">数据块索引号</param>
/// <param name="hexData">职员编号（十六进制，八字节，如'66060000'）</param>
/// <returns>写入是否成功</returns>
private bool WriteSingleBlock(string UID, string strBlockIndex, string hexData)
{
// 格式化命令
string command = string.Format(ISO15693Card.COMMAND_WRITE_SINGLE_BLOCK, UID, strBlockIndex, hexData);

serialPort1.Write(command);
Thread.Sleep(MILLISECOND_IN_SLEEP);

if (serialPort1.BytesToRead > 0)
{
string response = serialPort1.ReadExisting();
return true;
}

return false;
}

打开或关闭串口

/// <summary>
/// 打开或关闭串口
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonOpenCOM_Click(object sender, EventArgs e)
{
// 串口已打开，此时需要关闭
if (serialPort1.IsOpen)
{
serialPort1.Close();
this.toolStripStatusLabel1.Text = "已关闭串口" + serialPort1.PortName.ToString();
buttonOpenCOM.Text = "打开";
return;
}
// 否则打开串口
else
{
serialPort1.PortName = comboBoxCOMList.Text;
InitSerialPort();

try
{
serialPort1.Open();
this.toolStripStatusLabel1.Text = "已打开串口" + serialPort1.PortName.ToString();
buttonOpenCOM.Text = "关闭";
}
catch (Exception ex)
{
this.toolStripStatusLabel1.Text = "打开串口失败，原因：" + ex.Message;
return;
}
}
}

窗口关闭时，要关闭串口

/// <summary>
/// 窗口关闭时，要关闭串口
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ServiceForm_FormClosing(object sender, FormClosingEventArgs e)
{
// 如果关闭窗口时，串口仍然为打开状态，则需要关闭串口
if (serialPort1.IsOpen)
{
serialPort1.Close();
}
}

“读取卡片”按钮的处理方法

/// <summary>
/// “读取卡片”按钮的处理方法
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnReadCard_Click(object sender, EventArgs e)
{
if (!serialPort1.IsOpen)
{
this.toolStripStatusLabel1.Text = "请先打开串口";
return;
}
//this.toolStripStatusLabel1.Text = "未找到有效的卡";

// [TODO] 寻卡，将RFID卡号读出来
string response = "";
serialPort1.Write(ISO15693Card.COMMAND_WRITE_REG);
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

serialPort1.Write(ISO15693Card.COMMAND_SET_AGC);
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

serialPort1.Write(ISO15693Card.COMMAND_SET_RECV_MODE);
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

serialPort1.Write(ISO15693Card.COMMAND_INVEN_CARD);// 寻卡
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

List<ISO15693Card> cards = ISO15693CardHandler.InventoryCard(response);



// [TODO] 读取卡上第00块的数据，获得职员编号
String stuffId = ReadSingleBlock(ISO15693CardHandler.CovertEndian(cards[0].ID), "00"); 

// [TODO] 向数据库中插入一条打卡记录，插入成功后显示打卡成功
//// DateTime.Now.ToString(); // 默认格式的日期和时间
//// DateTime.Now.ToString(“yyyy - MM - dd HH: mm:ss”);??// 指定格式：2018-04-09 21:02:10
//// 获取日期�DateTime.Now.ToShortDateString();
//// 默认日期格式�DateTime.Now.ToString(“yyyy-MM-dd”);?
////指定日期格式：2018-04-09�// 获取时间�DateTime.Now.ToLongTimeString();??
//// 默认时间格式�DateTime.Now.ToString(“hh:mm:ss”);???????
//// 指定时间格式：09:02:10

String connStr = ConfigurationManager.ConnectionStrings["SuperMarketSales"].ConnectionString;
SqlConnection sqlConn = new SqlConnection(connStr);
try
{
// 连接数据库
sqlConn.Open();

// 构造命令
String sqlStr = "insert into record(employee_id, date, time, machine_id) VALUES(@Employee_id, @date,@time, @machine_id)";

SqlCommand cmd = new SqlCommand(sqlStr, sqlConn);

// SQL字符串参数赋值
cmd.Parameters.Add(new SqlParameter("@employee_id", stuffId));
cmd.Parameters.Add(new SqlParameter("@date", DateTime.Now.ToString("yyyy - MM - dd").ToString()));
cmd.Parameters.Add(new SqlParameter("@time", DateTime.Now.ToString("HH: mm:ss").ToString()));
cmd.Parameters.Add(new SqlParameter("@machine_id", '1'));


// 将命令发送给数据库
int res = cmd.ExecuteNonQuery();

// 根据返回值判断是否插入成功
if (res != 0)
{
MessageBox.Show("打卡成功");
}
else
{
MessageBox.Show("打卡失败");
}
}
catch (Exception exp)
{
MessageBox.Show("访问数据库错误：" + exp.Message);
}
finally
{
sqlConn.Close();
}

注册新卡并写入数据

/// <summary>
/// 注册新卡，往第00块写入职员编号
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void bt_Register_Click(object sender, EventArgs e)
{
if (!serialPort1.IsOpen)
{
this.toolStripStatusLabel1.Text = "请先打开串口";
return;
}

//this.toolStripStatusLabel1.Text = "未找到有效的卡";

// '666'填充为'00000666'
string stuffId = this.tb_EmployeeId.Text.PadLeft(8, '0');
// '00000666'转变成'66060000'
stuffId = ISO15693CardHandler.CovertEndian(stuffId);

// 检查输入数据的错误
// ISO15693为32位，4字节，8字符
if (stuffId.Length != 8)
{
MessageBox.Show("请输入4字节的16进制数据！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}

// 检查16进制字符错误
if (!ISO15693CardHandler.CheckValidHexBytes(stuffId))
{
MessageBox.Show("写入数据的16进制格式错误！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}

// [TODO] 寻卡，将RFID卡号读出来
string response = "";
serialPort1.Write(ISO15693Card.COMMAND_WRITE_REG);
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

serialPort1.Write(ISO15693Card.COMMAND_SET_AGC);
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

serialPort1.Write(ISO15693Card.COMMAND_SET_RECV_MODE);
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

serialPort1.Write(ISO15693Card.COMMAND_INVEN_CARD);// 寻卡
Thread.Sleep(MILLISECOND_IN_SLEEP);
if (serialPort1.BytesToRead > 0) response = serialPort1.ReadExisting();

List<ISO15693Card> cards = ISO15693CardHandler.InventoryCard(response);


// [TODO] 向RFID卡第00块写入职员编号数据，无论成功与否，均应该在状态栏显示提示信息

//写单块数据

//检查输入数据的错误
//ISO15693为32位，4字节，8字符
if (tb_EmployeeId.Text.Length != 8)
{
MessageBox.Show("请输入4字节的16进制数据！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}

//检查16进制字符错误
if (!ISO15693CardHandler.CheckValidHexBytes(tb_EmployeeId.Text))
{
MessageBox.Show("写入数据的16进制格式错误！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
else
{
WriteSingleBlock(ISO15693CardHandler.CovertEndian(cards[0].ID), "00", tb_EmployeeId.Text);
this.toolStripStatusLabel1.Text = "写入成功";
}


}