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.Text;
using System.IO.Ports;
using System.IO;
using System.Threading;
using System.Windows.Forms;
/*
:NUMeric:NORMal:VALue?
*/
namespace 实验九
{
public partial class Form1 : Form
{
string fileName;
FileStream fs;
StreamWriter sw;
StreamReader sr;
string line = ""; //换行符
string recTime = ""; //显示时间
int countWrite = 0;//发送的总字节数
int countRead = 0;//读取的总字节数
int flag = 0;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
comboBox1.Items.AddRange(System.IO.Ports.SerialPort.GetPortNames());
comboBox1.Text = SerialPort.GetPortNames()[0];
comboBox2.Text = "9600";
comboBox3.Text = "None";
comboBox4.Text = "8";
comboBox5.Text = "One";
button1.BackColor = Color.Green;
}
private void button1_Click(object sender, EventArgs e)
{
try
{
if(button1.Text == "关闭")
{
serialPort1.Close();
button1.Text = "打开";
button1.BackColor = Color.Green;
comboBox1.Enabled = true;
comboBox2.Enabled = true;
comboBox3.Enabled = true;
comboBox4.Enabled = true;
comboBox5.Enabled = true;
return;
}
serialPort1.PortName = comboBox1.Text;
serialPort1.BaudRate = Convert.ToInt32(comboBox2.Text);
switch (comboBox3.SelectedIndex)
{
case 0: serialPort1.Parity = Parity.None; break;
case 1: serialPort1.Parity = Parity.Odd; break;
case 2: serialPort1.Parity = Parity.Even; break;
}
serialPort1.DataBits = Convert.ToInt32(comboBox4.Text);
switch (comboBox5.SelectedIndex)
{
case 0:serialPort1.StopBits = StopBits.None;break;
case 1: serialPort1.StopBits = StopBits.One;break;
case 2:serialPort1.StopBits = StopBits.Two;break;
case 3:serialPort1.StopBits = StopBits.OnePointFive;break;
}
serialPort1.Open();
comboBox1.Enabled = false;
comboBox2.Enabled = false;
comboBox3.Enabled = false;
comboBox4.Enabled = false;
comboBox5.Enabled = false;
button1.Text = "关闭";
button1.BackColor = Color.Red;
}
catch
{
MessageBox.Show("串口打开失败！");
}
}
string sendContent; //串口要发送的内容
private void button2_Click(object sender, EventArgs e)//发送按钮
{
if (checkBox8.Checked) //定时发送模式
{
if (flag == 0)
{
timer1.Enabled = true;
button2.Text = "停止发送";
textWrite.Enabled = false;
checkBox5.Enabled = false;
checkBox7.Enabled = false;
checkBox8.Enabled = false;
flag = 1;
}
else
{
timer1.Enabled = false;
button2.Text = "发送";
textWrite.Enabled = true;
checkBox5.Enabled = true;
checkBox7.Enabled = true;
checkBox8.Enabled = true;
flag = 0;
}
}
else
SerialPortWrite();
}
void SerialPortWrite()
{
byte[] sendByte;
sendContent = textWrite.Text;
if (checkBox5.Checked)//启用文件数据源
{
sendContent = sr.ReadToEnd();
}
if (checkBox7.Checked)//按照十六进制发送
{
int hexLength;//十六进制数的个数
if (sendContent.Length % 3 == 0)
hexLength = sendContent.Length / 3;
else
hexLength = sendContent.Length / 3 1;
sendByte = new byte[hexLength];
for (int i = 0; i < hexLength; i )
{
sendByte[i] = Convert.ToByte(sendContent.Substring(i * 3, 2), 16);
}
}
else//普通发送
{
sendByte = new byte[sendContent.Length];
sendByte = Encoding.ASCII.GetBytes(sendContent);
}
try
{
serialPort1.Write(sendByte, 0, sendByte.Length);
countWrite = sendByte.Length;
label9.Text = "发送：" countWrite.ToString();
}
catch (InvalidOperationException e)
{
MessageBox.Show(e.ToString());
return;
}
if (checkBox6.Checked && !checkBox5.Checked)//是否自动清空
textWrite.Text = "";
}
private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
string Hex = "";
string str = "";
string readContent = "";
this.Invoke((EventHandler)(delegate
{
Thread.Sleep(100);
byte[] myByteReceive = new byte[serialPort1.BytesToRead];
serialPort1.Read(myByteReceive, 0,serialPort1.BytesToRead);
countRead = myByteReceive.Length;
label10.Text = "接收：" countRead.ToString();
if (checkBox4.Checked == true) //暂停接收显示
goto L1;
str = System.Text.Encoding.Default.GetString(myByteReceive);
if(checkBox9.Checked)
ThreadPool.QueueUserWorkItem(new WaitCallback(WriteToFile), str);
//str = str.Substring(0, str.IndexOf('\0'));
if (checkBox2.Checked)
{
recTime = "【";
recTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff");
recTime = " 】 ";
readContent = recTime;
}
if (checkBox3.Checked == true) //十六进制读
{
for (int i = 0; myByteReceive[i] != '\0'; i )
Hex = Convert.ToString(myByteReceive[i], 16) " ";
readContent = Hex.ToUpper();
}
else
readContent = str ;
readContent = line;
if (!checkBox9.Checked)
textBoxRead.Text = readContent;
L1:;
}
)
);
//以下为写文件操作
//if (checkBox9.Checked)//接收转向文件
//ThreadPool.QueueUserWorkItem(new WaitCallback(WriteToFile), textBoxRead.Text);
}
void WriteToFile(object e)
{
string str = (string)e;
sw.Write(str);
sw.Flush();
}
void WriteToFileJieXi9(object e)//解析之后存入文件中
{
string str = (string)e;
string temp1;//小数部分
string temp2;//指数部分
string sign;//指数的符号
string nowTime = DateTime.Now.ToString();
nowTime = " ";
sw.Write(nowTime);
for (int i = 0; i < 6; i )
{
temp1 = str.Substring(i * 11, 6);
sign = str.Substring(i * 11 7, 1);
temp2 = str.Substring(i * 11 8, 2);
double f1 = Convert.ToDouble(temp1);
int i1 = Convert.ToInt32(temp2);
if (sign == "-")
i1 = -i1;
f1 = f1 * Math.Pow(10, i1);
//开始写入
sw.Write(f1);
sw.Write("; ");
}
sw.WriteLine();
sw.Flush();
//关闭流
}
void WriteToFileJieXi10(object e)//解析之后存入文件中
{
DateTime time = DateTime.Now;
sw.WriteLine(time.ToString("yyyy-MM-dd hh:MM:ss "));
byte[] myByte = (byte[])e;
//bool yangan, huogan, hongwaixian, shuijin;
int kaiguanliang = myByte[4];
if ((kaiguanliang & 128) == 128)
//yangan = true;
sw.Write("有烟雾 ");
else
sw.Write("无烟雾 ");
if ((kaiguanliang & 64) == 64)
//huogan = true;
sw.Write("有火感 ");
else
sw.Write("无火感 ");
if ((kaiguanliang & 32) == 32)
// hongwaixian = true;
sw.Write("有红外线 ");
else
sw.Write("无红外线 ");
if ((kaiguanliang & 16) == 16)
// shuijin = true;
sw.Write("有水浸 ");
else
sw.Write("无水浸 ");
int wendu;
wendu = myByte[7];
wendu = wendu << 8;
wendu = myByte[8];
double wendu1 = wendu;
wendu1 = wendu1 / 10;
sw.Write("温度：" wendu1.ToString());
int shidu;
shidu = myByte[9];
shidu = shidu << 8;
shidu = myByte[10];
double shidu1 = shidu;
shidu1 = shidu1 / 10;
sw.Write("湿度" shidu1.ToString());
sw.WriteLine();
sw.Flush();
//关闭流
}
private void label6_Click(object sender, EventArgs e) //保存数据，其实就是保存接收区的内容
{
SaveFileDialog sfDialog = new SaveFileDialog();
sfDialog.Filter = "TEXT | *.txt";
if (sfDialog.ShowDialog() == DialogResult.OK)
{
fileName = sfDialog.FileName;
fs = new FileStream(fileName, FileMode.Open);
fs.Seek(0, SeekOrigin.End); //将文件流指针定位到末尾
sw = new StreamWriter(fs);
sw.Write(textWrite.Text);
sw.Close();
fs.Close();
}
}
private void label6_MouseLeave(object sender, EventArgs e)
{
this.Cursor = Cursors.Arrow;
label6.ForeColor = Color.Blue;
}
private void label7_Click(object sender, EventArgs e)
{
textBoxRead.Text = "";
}
private void label11_Click(object sender, EventArgs e)
{
textWrite.Text = "";
}
private void label7_MouseLeave(object sender, EventArgs e)
{
this.Cursor = Cursors.Arrow;
label7.ForeColor = Color.Blue;
}
private void label11_MouseLeave(object sender, EventArgs e)
{
this.Cursor = Cursors.Arrow;
label11.ForeColor = Color.Blue;
}
private void label6_MouseEnter(object sender, EventArgs e)
{
label6.ForeColor = Color.Red;
this.Cursor = Cursors.Hand;
}
private void label7_MouseEnter(object sender, EventArgs e)
{
label7.ForeColor = Color.Red;
this.Cursor = Cursors.Hand;
}
private void label11_MouseEnter(object sender, EventArgs e)
{
label11.ForeColor = Color.Red;
this.Cursor = Cursors.Hand;
}
private void label12_MouseEnter(object sender, EventArgs e)
{
label12.ForeColor = Color.Red;
this.Cursor = Cursors.Hand;
}
private void label12_MouseLeave(object sender, EventArgs e)
{
this.Cursor = Cursors.Arrow;
label12.ForeColor = Color.Blue;
}
private void label12_Click(object sender, EventArgs e)//文件载入
{
OpenFileDialog sfDialog = new OpenFileDialog();
sfDialog.Filter = "TEXT | *.txt";
if (sfDialog.ShowDialog() == DialogResult.OK)
{
fileName = sfDialog.FileName;
fs = new FileStream(fileName, FileMode.Open);
sr = new StreamReader(fs);
textWrite.Text = sr.ReadToEnd();
}
}
private void checkBox1_CheckedChanged(object sender, EventArgs e)//自动换行显示
{
if (checkBox1.Checked)
line = "\x0d\x0a";
else
line = "";
}
private void checkBox2_CheckedChanged(object sender, EventArgs e) //显示接收时间
{
if (checkBox2.Checked)
{
line = "\x0d\x0a";
checkBox1.Checked = true;
checkBox1.Enabled = false;
}
else
{
checkBox1.Enabled = true;
}
}
private void checkBox5_CheckedChanged(object sender, EventArgs e)//启用文件数据源发送
{
if(checkBox5.Checked == true)
{
OpenFileDialog sfDialog = new OpenFileDialog();
sfDialog.Filter = "TEXT | *.txt";
if (sfDialog.ShowDialog() == DialogResult.OK)
{
fileName = sfDialog.FileName;
fs = new FileStream(fileName, FileMode.Open);
sr = new StreamReader(fs);
textWrite.Text = "发送此文件中的数据\x0d\x0a" fileName;
textWrite.ReadOnly = true;
}
else
{
checkBox5.Checked = false;
}
}
else
{
fs.Close();
sr.Close();
textWrite.Text = "";
textWrite.ReadOnly = false;
}
}
private void checkBox7_CheckedChanged(object sender, EventArgs e)//按十六进制发送
{
if (checkBox7.Checked && !checkBox5 .Checked)//若同时启用了文件源，则不需要变换
{
if(textWrite.Text != "")
{
byte[] bytes = System.Text.Encoding.ASCII.GetBytes(textWrite.Text);
textWrite.Text = "";
foreach(byte b in bytes)
{
textWrite.Text = Convert.ToString(b, 16) " ";
}
textWrite.Text = textWrite.Text.ToUpper();
}
}
}
private void checkBox8_CheckedChanged(object sender, EventArgs e)//自动发送
{
if (checkBox8.Checked)
{
int timeSpan;
try
{
timeSpan = Convert.ToInt32(textBox1.Text);
}
catch (FormatException)
{
MessageBox.Show("发送周期不合法", "错误");
checkBox8.Checked = false;
return;
}
checkBox6.Checked = false;
checkBox6.Enabled = false;
timer1.Interval = timeSpan;
}
}
private void timer1_Tick(object sender, EventArgs e)
{
SerialPortWrite();
}
private void button3_Click(object sender, EventArgs e)
{
countRead = 0;
countWrite = 0;
}
private void checkBox9_CheckedChanged(object sender, EventArgs e)//接收转向文件
{
if (checkBox9.Checked)
{
SaveFileDialog sfDialog = new SaveFileDialog();
sfDialog.Filter = "TEXT | *.txt";
if (sfDialog.ShowDialog() == DialogResult.OK)
{
fileName = sfDialog.FileName;
fs = new FileStream(fileName, FileMode.Open);
fs.Seek(0, SeekOrigin.End); //将文件流指针定位到末尾
sw = new StreamWriter(fs);
textBoxRead.Text = "接收转向至文件: \x0d\x0a " fileName;
label6.Enabled = false;
label7.Enabled = false;
checkBox4.Enabled = false;
}
else
{
checkBox9.Checked = false;
}
}
else
{
sw.Close();
fs.Close();
textBoxRead.Text = "";
label6.Enabled = true;
label7.Enabled = true;
checkBox4.Enabled = true;
}
}
}
}
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