如题 以下是代码,啥也不会,也是从网上找的代码,自己加了一点。我用x替换原文件的“\r\nNNNN”,并拆分成为字符串数组,但是串口显示时,s还是没有变,还是\r\nNNNN,求高人指点。
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.Windows.Forms;
using System.IO.Ports;
namespace chuankou
{
public partial class Form1 : Form
{
string s = "";
string ss = "";
string[] s_1 = new string[100];
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
public void serialPort_DataReceived(object sender,SerialDataReceivedEventArgs e)
{
int count = myserialPort.BytesToRead;
byte[] data = new byte[count];
myserialPort.Read(data, 0, count);
foreach (byte item in data)
{
s += Convert.ToChar(item);
}
s = s.Replace("\r\nNNNN", "x");
string[] s_1 = ss.Split(new char[] { 'x'});
}
private void button1_Click(object sender, EventArgs e)
{
if (!myserialPort.IsOpen)
{
myserialPort.Open();
}
myserialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived);
}
private void button2_Click(object sender, EventArgs e)
{
if (myserialPort.IsOpen)
myserialPort.Close();
}
private void button3_Click(object sender, EventArgs e)
{
//timer1.Enabled = true;
// timer1.Interval = 1000;
int i;
for (i = 0; i < s_1.Length; i++)
{
if (this.InvokeRequired)
{
this.Invoke(new MethodInvoker(delegate { this.textBox1.Text = s; }));
}
else
{
this.textBox1.Text = s;
}
}
}
private void timer1_Tick(object sender, EventArgs e)
{
}
}
}