1.上位機(jī)測試程序界面

1.1效果圖

捕獲.PNG

1.2主要功能描述及支持這些功能結(jié)構(gòu)

功能描述：在上位機(jī)測試程序界面實現(xiàn)尋酸些、寫入數(shù)據(jù)宰译、讀取數(shù)據(jù)、下位機(jī)相應(yīng)數(shù)據(jù)魄懂。
關(guān)鍵代碼：

/// 程序加載時沿侈，自動獲取串口列表
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ServiceForm_Load(object sender, EventArgs e)
        {
            // TODO: 在下拉列表中列出本機(jī)所有串口
            string[] ArryPort = SerialPort.GetPortNames();
            comboBoxCOMList.Items.Clear();
            for (int i = 0; i < ArryPort.Length; i++)
            {
                comboBoxCOMList.Items.Add(ArryPort[i]);
            }
        }

        /// <summary>
        /// 打開或關(guān)閉串口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonOpenCOM_Click(object sender, EventArgs e)
        {
            // 串口已打開，此時需要關(guān)閉
            if (serialPort1.IsOpen)
            {
                serialPort1.Close();
                this.toolStripStatusLabel1.Text = "已關(guān)閉串口" + serialPort1.PortName.ToString();
                buttonOpenCOM.Text = "打開";
                return;
            }
            // 否則打開串口
            else
            {
                serialPort1.PortName = comboBoxCOMList.Text;

                // TODO: 初始化串口參數(shù)
                {
                    serialPort1.BaudRate = 115200;
                    serialPort1.DataBits = 8;
                    serialPort1.Parity = Parity.None;
                    serialPort1.StopBits = StopBits.One;

                }
                try
                {
                    serialPort1.Open();
                    this.toolStripStatusLabel1.Text = "已打開串口" + serialPort1.PortName.ToString();
                    buttonOpenCOM.Text = "關(guān)閉";
                }
                catch (Exception ex)
                {
                    this.toolStripStatusLabel1.Text = "打開串口失敗市栗，原因：" + ex.Message;
                    return;
                }
            }
        }

 

2.卡機(jī)后臺服務(wù)界面

QQ圖片20190712154338.png

2.1功能描述

可以在下位機(jī)讀取員工卡中的信息并將員工id缀拭、姓名、部門填帽、職位蛛淋、打卡時間等信息并寫入數(shù)據(jù)庫。

2.2主要代碼

       /// <summary>
        /// 發(fā)送數(shù)據(jù)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void bt_Send_Click(object sender, EventArgs e)
        {
            try
            {
                // TODO: 將`待發(fā)送數(shù)據(jù)`發(fā)送出去

                serialPort1.Write(tbWrite.Text);


            }
            catch (Exception exp)
            {
                MessageBox.Show(exp.ToString());
            }
        }

        /// <summary>
        /// 接收數(shù)據(jù)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            try
            {
                // TODO: 接收數(shù)據(jù)篡腌，并在`接收數(shù)據(jù)`區(qū)域顯示出來
                
                tbRead.Text = serialPort1.ReadExisting();


            }
            catch (Exception exp)
            {
                MessageBox.Show(exp.ToString());
            }
        }

        /// <summary>
        /// 清空接收區(qū)域
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void bt_Clear_Click(object sender, EventArgs e)
        {
            // TODO: 清空接收區(qū)域
        }

        /// <summary>
        /// 窗口關(guān)閉時铣鹏，要關(guān)閉串口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ServiceForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            // 如果關(guān)閉窗口時，串口仍然為打開狀態(tài)哀蘑，則需要關(guān)閉串口
            if (serialPort1.IsOpen)
            {
                serialPort1.Close();
            }
        }