实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Threading; using System.Windows.Forms; using System.IO; using System.IO.Ports; using System.Runtime.InteropServices;//引用命名空间 namespace zzzz { public partial class Form1 : Form { bool btn = false; int received_count = 0;//Convert.ToInt32(ContentValue(strSec, "SendCount"));//接收计数 int send_count = 0;//Convert.ToInt32(ContentValue(strSec, "ReceCount"));//发送计数 bool send_hex = false; //public static int WriteTextNum = 1; //int WriteTextFlag = 1; int chekFlag; string localFilePath = ""; public Form1() { InitializeComponent(); Control.CheckForIllegalCrossThreadCalls = false; } private void button1_MouseHover(object sender, EventArgs e) { //button1.BackgroundImage = Properties.Resources.chinaz3; toolStripSplitButton1.Image = Properties.Resources.chinaz3; } private void button1_Click(object sender, EventArgs e) { if (btn == false && comboBox1.Text != "") { //button1.BackgroundImage = Properties.Resources.chinaz5; try { serialPort1.PortName = comboBox1.Text;//串口号 serialPort1.BaudRate = Convert.ToInt32(comboBox2.Text);//波特率 serialPort1.Parity = (Parity)Enum.Parse(typeof(Parity),comboBox3.Text);//校验位 serialPort1.DataBits = Convert.ToInt32(comboBox4.Text.ToString().Substring(0,1));//数据位 serialPort1.StopBits = (StopBits)Enum.Parse(typeof(StopBits), comboBox5.Text.ToString().Substring(0, 1)); //停止位 serialPort1.Encoding = System.Text.Encoding.GetEncoding("GB2312"); serialPort1.Open(); toolStripStatusLabel1.Text = "串口已连接"; button1.Text = "关闭串口"; //button1.BackgroundImage = Properties.Resources.chinaz5; toolStripSplitButton1.Image = Properties.Resources.chinaz5; } catch { //button1.BackgroundImage = Properties.Resources.chinaz4; MessageBox.Show("打开串口失败,请重新选择端口号或检查连接", "提示"); serialPort1.Close(); button1.Text = "打开串口"; } btn = true; } else { serialPort1.Close(); button1.Text = "打开串口"; toolStripStatusLabel1.Text = "串口未连接"; toolStripSplitButton1.Image = Properties.Resources.chinaz4; btn = false; } } private void button1_MouseLeave(object sender, EventArgs e) { if (btn == true) { toolStripSplitButton1.Image = Properties.Resources.chinaz5; } else { toolStripSplitButton1.Image = Properties.Resources.chinaz4; } } private void Form1_Load(object sender, EventArgs e) { serialPort1.Encoding = System.Text.Encoding.GetEncoding("GB2312"); toolStripStatusLabel1.Text = "请先打开串口"; toolStripStatusLabel8.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); richTextBox1.ScrollBars = RichTextBoxScrollBars.ForcedVertical; richTextBox2.ScrollBars = RichTextBoxScrollBars.ForcedVertical; dataGridView1.AllowUserToAddRows = false; this.Width = 750; comboBox1.Items.Clear(); foreach (string vPortName in SerialPort.GetPortNames()) { comboBox1.Items.Add(vPortName); } //richTextBox1.Text = comboBox1.Items.Count.ToString() vPortName1 comboBox1.Items[comboBox1.Items.Count - 1]; if (comboBox1.Items.Count != 0) { comboBox2.Text = "9600"; comboBox3.Text = "None"; comboBox4.Text = "8位"; comboBox5.Text = "1位"; ReadIni(); try { comboBox1.Text = Convert.ToString(comboBox1.Items[comboBox1.Items.Count - 1]); received_count = Convert.ToInt32(ContentValue(strSec, "SendCount"));//接收计数 send_count = Convert.ToInt32(ContentValue(strSec, "ReceCount"));//发送计数 } catch { } } else { MessageBox.Show("当前设备不存在串口,请检查硬件后点击“扫描”", "提示"); } /*****************非常重要************************/ serialPort1.DataReceived = Port_DataReceived;//new SerialDataReceivedEventHandler(Port_DataReceived);//必须手动添加事件处理程序 } private void label6_Click(object sender, EventArgs e) { richTextBox1.Clear(); } private void label7_Click(object sender, EventArgs e) { richTextBox2.Clear(); } private void checkBox4_CheckedChanged(object sender, EventArgs e) { if (checkBox4.Checked) { send_hex = true; } else { send_hex = false; } } private byte[] StringToBytes(string TheString) //转字符 //utf8编码转GB2132编码 { Encoding FromEcoding = Encoding.GetEncoding("UTF-8"); //UTF8编码 Encoding ToEcoding = Encoding.GetEncoding("gb2312"); //GB2312编码 byte[] FromBytes = FromEcoding.GetBytes(TheString); //获取汉字UTF8字节序列 byte[] Tobytes = Encoding.Convert(FromEcoding, ToEcoding, FromBytes); //转换为GB2132字节码 return Tobytes; //返回 } private string BytesToString(byte[] Bytes) //转汉字 //过程同上 { string Mystring; Encoding FromEcoding = Encoding.GetEncoding("gb2312"); Encoding ToEcoding = Encoding.GetEncoding("UTF-8"); byte[] Tobytes = Encoding.Convert(FromEcoding, ToEcoding, Bytes); Mystring = ToEcoding.GetString(Tobytes); //得到的是UTF8字节码序列,需要转换为UTF8字符串 return Mystring; //转换 } private void SendData() { byte[] Data = new byte[1]; if (serialPort1.IsOpen && richTextBox2.Text != "") { if (!checkBox6.Checked) { toolStripStatusLabel7.Text = richTextBox2.Text; try { serialPort1.Write(richTextBox2.Text); send_count = richTextBox2.Text.Length; toolStripStatusLabel3.Text = send_count.ToString(); } catch { toolStripStatusLabel7.Text = "串口数据写入错误"; //serialPort1.Close(); } } else { try { string buffer = richTextBox2.Text; buffer = buffer.Replace("0x", ""); //为了保证汉字转编码输出结果(0xXX)可以通用,所以程序允许输入0xXX(可以带空格),程序会将0x和空格自动去除 buffer = buffer.Replace(" ", string.Empty); for (int i = 0; i < buffer.Length / 2; i ) { Data[0] = Convert.ToByte(buffer.Substring(i * 2, 2), 16); toolStripStatusLabel7.Text = Data[0]; serialPort1.Write(Data, 0, 1);//循环发送(如果输入字符为0A0BB,则只发送0A,0B) send_count = 1; toolStripStatusLabel3.Text = send_count.ToString(); } if (buffer.Length % 2 != 0) { Data[0] = Convert.ToByte(buffer.Substring(buffer.Length - 1, 1), 16);//单独发送B(0B) serialPort1.Write(Data, 0, 1);//发送 send_count = 1; toolStripStatusLabel3.Text = send_count.ToString(); } } catch { //toolStripStatusLabel7.Text = "数据错误,请重新输入"; } } toolStripStatusLabel7.Text = "数据发送成功"; timer2.Start(); } } private void button2_Click(object sender, EventArgs e) { if (serialPort1.IsOpen && richTextBox2.Text != "") { if (button2.Text == "发 送") { if (send_hex) { timer1.Start(); button2.Text = "停止发送"; button1.Enabled= false; } else { SendData(); } if (checkBox5.Checked) richTextBox2.Clear(); } else { timer1.Stop(); button2.Text = "发 送"; button1.Enabled = true; } } else if(!serialPort1.IsOpen) toolStripStatusLabel7.Text = "请打开串口"; else if (richTextBox2.Text == "") toolStripStatusLabel7.Text = "请在发送区输入数据"; timer2.Start(); } private void timer1_Tick(object sender, EventArgs e) { timer1.Stop(); SendData(); timer1.Start(); } private void textBox1_TextChanged(object sender, EventArgs e) { timer1.Interval = Convert.ToInt32(textBox1.Text); } private void Port_DataReceived(object sender, SerialDataReceivedEventArgs e)//串口数据接收事件 { //Control.CheckForIllegalCrossThreadCalls = false; System.Threading.Thread.Sleep(50);//延时50ms等待接收完数据 //timer2.Start(); if (!checkBox1.Checked)//如果接收模式为字符模式 { try { int len = serialPort1.BytesToRead; Byte[] readBuffer = new Byte[len]; serialPort1.Read(readBuffer, 0, len); if (!checkBox2.Checked) richTextBox1.Text = BytesToString(readBuffer); received_count = len; } catch { } } else { //如果接收模式为数值接收 try { int len = serialPort1.BytesToRead; Byte[] readBuffer = new Byte[len]; serialPort1.Read(readBuffer, 0, len); foreach (byte str in readBuffer) { if (!checkBox2.Checked) richTextBox1.AppendText(str.ToString("X2") " "); } received_count = readBuffer.Length; } catch { } } if (checkBox3.Checked && !checkBox2.Checked) richTextBox1.AppendText("\r\n"); toolStripStatusLabel5.Text = received_count.ToString(); //timer2.Start(); toolStripStatusLabel7.Text = "接收到数据"; try { serialPort1.DiscardInBuffer();//释放接收缓冲区数据 } catch { } timer2.Start(); } //private void timer2_Tick(object sender, EventArgs e) //{ // timer2.Stop(); // toolStripStatusLabel7.Text = ""; //} private void button3_Click(object sender, EventArgs e) { comboBox1.Items.Clear(); foreach (string vPortName in SerialPort.GetPortNames()) { comboBox1.Items.Add(vPortName); } if (comboBox1.Items.Count != 0) { comboBox1.Text = Convert.ToString(comboBox1.Items[comboBox1.Items.Count - 1]); comboBox2.Text = "9600"; comboBox3.Text = "None"; comboBox4.Text = "8位"; comboBox5.Text = "1位"; } toolStripStatusLabel7.Text = "扫描出" comboBox1.Items.Count.ToString() "个串口,请选择"; } private void label10_Click(object sender, EventArgs e) { SaveFileDialog sfd = new SaveFileDialog(); sfd.Title = ""; //sfd.InitialDirectory = @"D:\"; sfd.InitialDirectory = @localFilePath; sfd.Filter = "文本文件| *.txt"; //sfd.ShowDialog(); //保存对话框是否记忆上次打开的目录 sfd.RestoreDirectory = true; if (sfd.ShowDialog() == DialogResult.OK) localFilePath = sfd.FileName.ToString(); string path = sfd.FileName; if (path == "") { return; } using (FileStream fsWrite = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write)) { byte[] buffer = Encoding.Default.GetBytes(richTextBox1.Text); fsWrite.Write(buffer, 0, buffer.Length); MessageBox.Show("保存成功"); } //FileStream file = new FileStream("记录.txt", FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);//建立一个文件 //StreamWriter writer = new StreamWriter(file); //设置文件时可以写的 //writer.WriteLine(textBox2.Text); //writer.Close(); //file.Close(); } private void label11_Click(object sender, EventArgs e) { OpenFileDialog ofd = new OpenFileDialog(); ofd.Title = "请选择要打开的文件"; //多选 ofd.Multiselect = true; //初始目录 ofd.InitialDirectory = @localFilePath; //设定文件类型 ofd.Filter = "文本文件 | *.txt"; ofd.ShowDialog(); //获得在打开文件对话框中选择的文件的路径 string path = ofd.FileName; if (path == "") { return; } using (FileStream fsRead = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Read)) { byte[] buffer = new byte[1024 * 1024 * 5]; int r = fsRead.Read(buffer, 0, buffer.Length); richTextBox2.Text = Encoding.Default.GetString(buffer, 0, r); } } #region "声明变量" /// <summary> /// 写入INI文件 /// </summary> /// <param name="section">节点名称[如[TypeName]]</param> /// <param name="key">键</param> /// <param name="val">值</param> /// <param name="filepath">文件路径</param> /// <returns></returns> [DllImport("kernel32")] private static extern long WritePrivateProfileString(string section, string key, string val, string filepath); /// <summary> /// 读取INI文件 /// </summary> /// <param name="section">节点名称</param> /// <param name="key">键</param> /// <param name="def">值</param> /// <param name="retval">stringbulider对象</param> /// <param name="size">字节大小</param> /// <param name="filePath">文件路径</param> /// <returns></returns> [DllImport("kernel32")] private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath); private string strFilePath = AppDomain.CurrentDomain.BaseDirectory "SerialConfig.ini";//@"C:\Users\Public\Documents\TEMP\SerialConfig.ini";//获取INI文件路径System.Environment.CurrentDirectory Application.StartupPath private string strSec = ""; //INI文件名 #endregion //读取 private void ReadIni() //btnRead_Click(object sender, EventArgs e) { if (File.Exists(strFilePath))//读取时先要判读INI文件是否存在 { strSec = Path.GetFileNameWithoutExtension(strFilePath); comboBox1.Text = ContentValue(strSec, "PortName"); comboBox2.Text = ContentValue(strSec, "BandRate"); comboBox3.Text = ContentValue(strSec, "Parity"); comboBox4.Text = ContentValue(strSec, "DataBits") "位"; comboBox5.Text = ContentValue(strSec, "StopBits") "位"; checkBox1.Checked = bool.Parse(ContentValue(strSec, "ReceivHex")); checkBox2.Checked = bool.Parse(ContentValue(strSec, "ReceivBlank")); checkBox3.Checked = bool.Parse(ContentValue(strSec, "ReceivLine")); checkBox6.Checked = bool.Parse(ContentValue(strSec, "SendHex")); checkBox5.Checked = bool.Parse(ContentValue(strSec, "SendBlank")); checkBox4.Checked = bool.Parse(ContentValue(strSec, "SendAuto")); textBox1.Text = ContentValue(strSec, "SendMs"); toolStripStatusLabel3.Text = ContentValue(strSec, "SendCount"); toolStripStatusLabel5.Text = ContentValue(strSec, "ReceCount"); this.Width = Convert.ToInt32(ContentValue(strSec, "FormWidth")); if (this.Width == 1125) label12.Text = "扩展功能收回<<"; else label12.Text = "扩展功能展开>>"; int CountN = Convert.ToInt32(ContentValue(strSec, "RowCount")); for (int i = 0; i < CountN; i )//dataGridView1.Rows.Count;//所有行数 { int index = dataGridView1.Rows.Add(); //dataGridView1.Rows[index].Cells[0].Value = richTextBox2.Text; dataGridView1.Rows[index].Cells[0].Value = ContentValue(strSec, "ComandCount" i.ToString()); } } else { //MessageBox.Show("INI文件不存在"); } } /// <summary> /// 自定义读取INI文件中的内容方法 /// </summary> /// <param name="Section">键</param> /// <param name="key">值</param> /// <returns></returns> private string ContentValue(string Section, string key) { StringBuilder temp = new StringBuilder(1024); GetPrivateProfileString(Section, key, "", temp, 1024, strFilePath); return temp.ToString(); } private void Form1_FormClosing(object sender, FormClosingEventArgs e) { try { //根据INI文件名设置要写入INI文件的节点名称 //此处的节点名称完全可以根据实际需要进行配置 if (comboBox1.Text != "") { serialPort1.Close(); strSec = Path.GetFileNameWithoutExtension(strFilePath); WritePrivateProfileString(strSec, "PortName", comboBox1.Text.Trim(), strFilePath); WritePrivateProfileString(strSec, "BandRate", comboBox2.Text.Trim(), strFilePath); WritePrivateProfileString(strSec, "Parity", comboBox3.Text.Trim(), strFilePath); WritePrivateProfileString(strSec, "DataBits", comboBox4.Text.Substring(0, 1).Trim(), strFilePath); WritePrivateProfileString(strSec, "StopBits", comboBox5.Text.Substring(0, 1).Trim(), strFilePath); WritePrivateProfileString(strSec, "ReceivHex", checkBox1.Checked ? "true" : "false", strFilePath); WritePrivateProfileString(strSec, "ReceivBlank", checkBox2.Checked ? "true" : "false", strFilePath); WritePrivateProfileString(strSec, "ReceivLine", checkBox3.Checked ? "true" : "false", strFilePath); WritePrivateProfileString(strSec, "SendHex", checkBox6.Checked ? "true" : "false", strFilePath); WritePrivateProfileString(strSec, "SendBlank", checkBox5.Checked ? "true" : "false", strFilePath); WritePrivateProfileString(strSec, "SendAuto", checkBox4.Checked ? "true" : "false", strFilePath); WritePrivateProfileString(strSec, "SendMs", textBox1.Text, strFilePath); WritePrivateProfileString(strSec, "SendCount", toolStripStatusLabel3.Text, strFilePath); WritePrivateProfileString(strSec, "ReceCount", toolStripStatusLabel3.Text, strFilePath); WritePrivateProfileString(strSec, "FormWidth", this.Size.Width.ToString(), strFilePath); WritePrivateProfileString(strSec, "RowCount", dataGridView1.Rows.Count.ToString(), strFilePath); for (int i = 0; i < dataGridView1.Rows.Count; i )//dataGridView1.Rows.Count;//所有行数 { this.dataGridView1.CurrentCell = this.dataGridView1[0, i]; WritePrivateProfileString(strSec, "ComandCount" i.ToString(), dataGridView1.CurrentCell.Value.ToString(), strFilePath); } //MessageBox.Show("写入成功"); } } catch (Exception ex) { MessageBox.Show(ex.Message.ToString()); } } private void richTextBox2_TextChanged(object sender, EventArgs e) { if (checkBox6.Checked && chekFlag == 0) { string str = richTextBox2.Text; if (str.Length > 2) { int WriteTextNum = str.Length / 3; if (str.Length == (WriteTextNum * 3) && str.Substring(str.Length - 2, 1) != " ") { //WriteTextNum ; if (str.Substring(str.Length - 1, 1) != " ") richTextBox2.Text = str.Substring(0, str.Length - 1) " " str.Substring(str.Length - 1, 1); else richTextBox2.Text = str.Substring(0, str.Length - 1); richTextBox2.Select(richTextBox2.Text.Length, 0);//选择文本末尾位置 richTextBox2.ScrollToCaret();//将光标滚动到末尾位置,不然追加一个空格光标会跳转到开头位置 } } } } private void richTextBox2_KeyPress(object sender, KeyPressEventArgs e) { if(checkBox6.Checked) { if ((int)e.KeyChar >= 48 & (int)e.KeyChar <= 57 | (int)e.KeyChar == 8 | (int)e.KeyChar >= 65 & (int)e.KeyChar <= 70 | (int)e.KeyChar >= 97 & (int)e.KeyChar <= 102) { e.Handled = false; } else { e.Handled = true; toolStripStatusLabel7.Text = "请输入合法数字0~9,A~F"; timer2.Start(); } if ((int)e.KeyChar >= 97 && (int)e.KeyChar <= 102) { e.KeyChar = (char)((int)e.KeyChar - 32); } //if (e.KeyChar == '\b' && richTextBox2.Text.Length > 1 && richTextBox2.Text.Length % 3 == 0) //{ // string str = richTextBox2.Text; // try // { // if (str.Substring(str.Length - 1, 1) == " ") WriteTextFlag = 0; // else WriteTextFlag = 1; // if (WriteTextFlag == 0) // { // //WriteTextNum--; // //if (WriteTextNum == 1) WriteTextNum = 1; // } // richTextBox2.Select(richTextBox2.Text.Length, 0);//选择文本末尾位置 // richTextBox2.ScrollToCaret();//将光标滚动到末尾位置,不然追加一个空格光标会跳转到开头位置 // } // catch { } // //richTextBox2.Text = str.Substring(0, str.Length - 2); // //richTextBox2.Select(richTextBox2.Text.Length, 0); // //richTextBox2.ScrollToCaret(); //} } } private void Form1_Resize(object sender, EventArgs e) { this.Height = 514; if (this.Size.Width <= 512) this.Width = 512; } private void timer3_Tick(object sender, EventArgs e) { toolStripStatusLabel8.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); } private void toolStripDropDownButton1_Click(object sender, EventArgs e) { received_count = 0;//接收计数 send_count = 0;//发送计数 toolStripStatusLabel3.Text = send_count.ToString(); toolStripStatusLabel5.Text = received_count.ToString(); } private void button4_Click(object sender, EventArgs e) { received_count = 0;//接收计数 send_count = 0;//发送计数 toolStripStatusLabel3.Text = send_count.ToString(); toolStripStatusLabel5.Text = received_count.ToString(); } private void checkBox6_CheckedChanged(object sender, EventArgs e) { chekFlag = 1; if (checkBox6.Checked) { string str = richTextBox2.Text; richTextBox2.Text = ""; foreach(byte bty in str) { richTextBox2.AppendText(bty.ToString("X2") " "); } chekFlag = 0; } else { byte data; string str = richTextBox2.Text; richTextBox2.Text = ""; str = str.Replace(" ",""); str = str.Replace("0x",""); for(int i = 0;i<str.Length/2;i ) { try { data = Convert.ToByte(str.Substring(i * 2, 2), 16); richTextBox2.Text = (char)data; //send_count = richTextBox2.Text.Length / 3; } catch { } } chekFlag = 0; } } private void timer2_Tick(object sender, EventArgs e) { //timer2.Stop(); //timer2.Enabled = toolStripStatusLabel7.Text = ""; } private void button5_Click(object sender, EventArgs e) { int index = dataGridView1.Rows.Add(); dataGridView1.Rows[index].Cells[0].Value = richTextBox2.Text; //WriteTextNum = 1; richTextBox2.Text = ""; } private void SendData0() { byte[] Data = new byte[1]; if (serialPort1.IsOpen && dataGridView1.CurrentCell.Value.ToString() != "") { if (!checkBox6.Checked) { try { serialPort1.Write(dataGridView1.CurrentCell.Value.ToString()); send_count = richTextBox2.Text.Length; toolStripStatusLabel3.Text = send_count.ToString(); } catch { toolStripStatusLabel7.Text = "串口数据写入错误"; //serialPort1.Close(); } } else { try { string buffer = dataGridView1.CurrentCell.Value.ToString(); buffer = buffer.Replace("0x", ""); //为了保证汉字转编码输出结果(0xXX)可以通用,所以程序允许输入0xXX(可以带空格),程序会将0x和空格自动去除 buffer = buffer.Replace(" ", string.Empty); for (int i = 0; i < buffer.Length / 2; i ) { Data[0] = Convert.ToByte(buffer.Substring(i * 2, 2), 16); toolStripStatusLabel7.Text = Data[0]; serialPort1.Write(Data, 0, 1);//循环发送(如果输入字符为0A0BB,则只发送0A,0B) send_count = 1; toolStripStatusLabel3.Text = send_count.ToString(); } if (buffer.Length % 2 != 0) { Data[0] = Convert.ToByte(buffer.Substring(buffer.Length - 1, 1), 16);//单独发送B(0B) serialPort1.Write(Data, 0, 1);//发送 send_count = 1; toolStripStatusLabel3.Text = send_count.ToString(); } } catch { //toolStripStatusLabel7.Text = "数据错误,请重新输入"; } } toolStripStatusLabel7.Text = "数据发送成功"; timer2.Start(); } } private void button7_Click(object sender, EventArgs e) { //richTextBox2.Text = dataGridView1.CurrentCell.Value.ToString(); if (serialPort1.IsOpen && dataGridView1.CurrentCell.Value.ToString() != "") { SendData0(); } else if (!serialPort1.IsOpen) toolStripStatusLabel7.Text = "请打开串口"; else if (richTextBox2.Text == "") toolStripStatusLabel7.Text = "请在发送区输入数据"; timer2.Start(); } private void button6_Click(object sender, EventArgs e) { try { int RowNumber; if (null == dataGridView1.CurrentCell) { return; } RowNumber = dataGridView1.CurrentCell.RowIndex; dataGridView1.Rows.RemoveAt(RowNumber); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } private void label12_Click(object sender, EventArgs e) { if (this.Width == 750) { this.Width = 1125; label12.Text = "扩展功能收回<<"; } else { this.Width = 750; label12.Text = "扩展功能展开>>"; } } } }
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