先看效果图，字符串收发
- COM3、4为虚拟串口
程序源码
- 新建C#窗体程序，布局如图：
- 程序源码如下：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Com_zhx
{
public partial class Form1 : Form
{
#region**参数设置**
private static SerialPort sp = null;
private static Boolean isSetProperty = false;
private static String[] rates = { "2400", "4800", "9600", "19200", "38400", "43000", "56000", "57600", "115200"};
private static String[] paritys = { "None", "奇校验", "偶校验" };
private static String[] dataBits = { "5", "6", "7", "8" };
private static String[] stopBits = { "0","1", "1.5","2" };
#endregion
#region**初始化**
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
//加载所有
//Com_zhx.Profile.SaveProfile();
Com_zhx.Profile.LoadProfile();
DTR.Enabled = false;
RTS.Enabled = false;
//加载可用串口，波特率，校验位，数据位，停止位
SearchPort();
Load_Rate();
Load_Parity();
Load_DataBits();
Load_StopBits();
Auto_SenT_Initialize();
}
#endregion
#region**搜索串口按钮**
private void Search_ComPort_Click(object sender, EventArgs e)
{
SearchPort();
}
#endregion
#region**开关串口**
private void Open_Port_Click(object sender, EventArgs e)
{
if (RS485.Checked)
{
Open_Port_485();
}
else
{
Open_Port_Simple();
}
}
public void Open_Port_485()
{
if (Open_Port.Text == "打开串口")
{
//Console.WriteLine(CheckPortSetting());
if (!CheckPortSetting())
{
MessageBox.Show("串口未设置！", "错误提示");
return;
}
if (!isSetProperty)
{
SetPortProperty();
}
try
{
sp.Open();
// ColorTranslator.FromHtml("Red");
Open_Port.Text = "关闭串口";
Open_Port.BackColor = Color.GreenYellow;
//串口打开后相关设置不可用
Enable_Para(false);
}
catch (Exception)
{
//打开串口失败，相应标志位取消
isSetProperty = false;
Open_Port.Text = "打开串口";
MessageBox.Show("串口无效或已被占用！", "错误提示");
return;
}
}
else
{
try
{
sp.Close();
isSetProperty = false;
Open_Port.Text = "打开串口";
Open_Port.BackColor = SystemColors.Control;
Enable_Para(true);
}
catch (Exception)
{
MessageBox.Show("关闭串口时发生错误");
}
}
}
public void Open_Port_Simple()
{
if (Open_Port.Text == "打开串口")
{
//Console.WriteLine(CheckPortSetting());
if (!CheckPortSetting())
{
MessageBox.Show("串口未设置！", "错误提示");
return;
}
if (!isSetProperty)
{
SetPortProperty();
}
try
{
sp.Open();
Open_Port.Text = "关闭串口";
Open_Port.BackColor = Color.DarkSeaGreen;
//串口打开后相关设置不可用
Enable_Para(false);
}
catch (Exception)
{
//打开串口失败，相应标志位取消
isSetProperty = false;
Open_Port.Text = "打开串口";
MessageBox.Show("串口无效或已被占用！", "错误提示");
return;
}
}
else
{
try
{
sp.Close();
isSetProperty = false;
Open_Port.Text = "打开串口";
Open_Port.BackColor = SystemColors.Control;
Enable_Para(true);
}
catch (Exception)
{
MessageBox.Show("关闭串口时发生错误");
}
}
}
#endregion
#region**启停RS485**
private void RS485_CheckedChanged(object sender, EventArgs e)
{
if (RS485.Checked)
{
DTR.Checked = RTS.Checked = true;
}
else
{
DTR.Checked = RTS.Checked = false;
}
}
#endregion
#region**使能参数设置**
public void Enable_Para(Boolean ifEnable)
{
Cbx_ComPort.Enabled = ifEnable;
Cbx_BaudRate.Enabled = ifEnable;
Cbx_DataBits.Enabled = ifEnable;
Cbx_Parity.Enabled = ifEnable;
Cbx_StopBits.Enabled = ifEnable;
Hex_Rec.Enabled = ifEnable;
RS485.Enabled = ifEnable;
}
#endregion
#region**加载可用串口**
//****************************加载可用串口****************************************************************
public void SearchPort()
{
bool comExistence = false;//有可用串口标志位
Cbx_ComPort.Items.Clear(); //清除当前串口号中的所有串口名称
for (int i = 0; i < 20; i++)
{
try
{
SerialPort sp = new SerialPort("COM" + (i + 1).ToString());
sp.Open();
sp.Close();
Cbx_ComPort.Items.Add("COM" + (i + 1).ToString());
comExistence = true;
}
catch (Exception)
{
continue;
}
}
if (comExistence)
{
Cbx_ComPort.SelectedIndex = 0;//使 comBox 显示第 1 个添加的索引
}
else
{
MessageBox.Show("没有找到可用串口！", "错误提示");
}
}
#endregion
#region**加载波特率**
public void Load_Rate()
{
foreach(String rate in rates)
{
Cbx_BaudRate.Items.Add(rate);
}
// 预置波特率
switch (Profile.G_BAUDRATE)
{
case "2400":
Cbx_BaudRate.SelectedIndex = 0;
break;
case "4800":
Cbx_BaudRate.SelectedIndex = 1;
break;
case "9600":
Cbx_BaudRate.SelectedIndex = 2;
break;
case "19200":
Cbx_BaudRate.SelectedIndex = 3;
break;
case "38400":
Cbx_BaudRate.SelectedIndex = 4;
break;
case "43000":
Cbx_BaudRate.SelectedIndex = 5;
break;
case "56000":
Cbx_BaudRate.SelectedIndex = 6;
break;
case "57600":
Cbx_BaudRate.SelectedIndex = 7;
break;
case "115200":
Cbx_BaudRate.SelectedIndex = 8;
break;
default:
{
MessageBox.Show("波特率预置参数错误。");
return;
}
}
}
#endregion
#region**加载校验位**
public void Load_Parity()
{
foreach(String parity in paritys)
{
Cbx_Parity.Items.Add(parity);
}
switch (Profile.G_PARITY)
{
case "None":
Cbx_Parity.SelectedIndex = 0;
break;
case "ODD":
Cbx_Parity.SelectedIndex = 1;
break;
case "EVEN":
Cbx_Parity.SelectedIndex = 2;
break;
default:
{
MessageBox.Show("停止位预置参数错误。");
return;
}
}
}
#endregion
#region**加载数据位**
public void Load_DataBits()
{
foreach(String dataBit in dataBits)
{
Cbx_DataBits.Items.Add(dataBit);
}
switch (Profile.G_DATABITS)
{
case "5":
Cbx_DataBits.SelectedIndex = 0;
break;
case "6":
Cbx_DataBits.SelectedIndex = 1;
break;
case "7":
Cbx_DataBits.SelectedIndex = 2;
break;
case "8":
Cbx_DataBits.SelectedIndex = 3;
break;
default:
{
MessageBox.Show("数据位预置参数错误。");
return;
}
}
}
#endregion
#region**加载停止位**
public void Load_StopBits()
{
foreach(String stopbit in stopBits)
{
Cbx_StopBits.Items.Add(stopbit);
}
switch (Profile.G_STOP)
{
case "0":
Cbx_StopBits.SelectedIndex = 0;
break;
case "1":
Cbx_StopBits.SelectedIndex = 1;
break;
case "1.5":
Cbx_StopBits.SelectedIndex = 2;
break;
case "2":
Cbx_StopBits.SelectedIndex = 3;
break;
default:
{
MessageBox.Show("停止位预置参数错误。");
return;
}
}
}
#endregion
#region**参数设置检查**
private bool CheckPortSetting()
{ /*
Console.WriteLine(CbxCOMPort.Text.Trim());
Console.WriteLine(CbxBaudRate.Text.Trim());
Console.WriteLine(CbxDataBits.Text.Trim());
Console.WriteLine(CbxParity.Text.Trim());
Console.WriteLine(CbxStopBits.Text.Trim());
*/
if (Cbx_ComPort.Text.Trim() == "") return false;
if (Cbx_BaudRate.Text.Trim() == "") return false;
if (Cbx_DataBits.Text.Trim() == "") return false;
if (Cbx_Parity.Text.Trim() == "") return false;
if (Cbx_StopBits.Text.Trim() == "") return false;
return true;
}
#endregion
#region**设置串口**
private void SetPortProperty()//设置串口
{
sp = new SerialPort();
//串口号
sp.PortName = Cbx_ComPort.Text.Trim();
//波特率
sp.BaudRate = Convert.ToInt32(Cbx_BaudRate.Text.Trim());
//停止位
float f = Convert.ToSingle(Cbx_StopBits.Text.Trim());
if (f == 0)
{
sp.StopBits = StopBits.None;
}
else if (f == 1.5)
{
sp.StopBits = StopBits.OnePointFive;
}
else if (f == 1)
{
sp.StopBits = StopBits.One;
}
else if (f == 2)
{
sp.StopBits = StopBits.Two;
}
//数据位
sp.DataBits = Convert.ToInt16(Cbx_DataBits.Text.Trim());
//校验位
string s = Cbx_Parity.Text.Trim();
if (s.CompareTo("None") == 0)
{
sp.Parity = Parity.None;
}
else if (s.CompareTo("奇校验") == 0)
{
sp.Parity = Parity.Odd;
}
if (s.CompareTo("偶校验") == 0)
{
sp.Parity = Parity.Even;
}
else
{
sp.Parity = Parity.None;
}
//****************设置DTR、RTS有效******************
if (RS485.Checked)
{
sp.DtrEnable = true;
sp.RtsEnable = true;
}
else
{
sp.DtrEnable = false;
sp.RtsEnable = false;
}
//超时读取
sp.ReadTimeout = -1;
sp.DataReceived += new SerialDataReceivedEventHandler(sp_DataReceived);
//串口配置完成
isSetProperty = true;
}
#endregion
#region**定时发送**
private void Auto_Sen_CheckedChanged(object sender, EventArgs e)
{
if (Auto_Sen.Checked)
{
//设置Timer控件可用
this.timer1.Enabled = true;
//设置时间间隔（毫秒为单位）
try
{
this.timer1.Interval = int.Parse(Auto_SenT.Text);
}
catch (Exception)
{
this.timer1.Interval = 1000;
}
}
else
{
//设置Timer控件可用
this.timer1.Enabled = false;
}
}
private void timer1_Tick(object sender, EventArgs e)
{
Send.PerformClick();
}
#endregion
#region**发送数据**
private void Send_Click(object sender, EventArgs e)
{
if (Open_Port.Text == "关闭串口")//写串口数据
{
if (TextBox_Sen.Text == "" || TextBox_Sen.Text == null)//检测要发送的数据
{
MessageBox.Show("请输入要发送的数据！", "错误提示");
Auto_Sen.Checked = false;
return;
}
else
{
if (RS485.Checked)
{
Send_485();
}
else
{
Send_Simple();
}
}
}
else
{
MessageBox.Show("串口未打开！", "错误提示");
Auto_Sen.Checked = false;
return;
}
}
public void Send_485()
{
byte[] sendbuf = new byte[TextBox_Sen.Text.Length / 2]; ;//tbxSendData.Text.ToCharArray();
for (int i = 0; i < sendbuf.Length; i++)
{
try
{
// 每两个字符是一个 byte。
sendbuf[i] = byte.Parse(TextBox_Sen.Text.Substring(i * 2, 2),
System.Globalization.NumberStyles.HexNumber);
}
catch
{
// Rethrow an exception with custom message.
throw new ArgumentException("hex is not a valid hex number!", "hex");
}
}
//Console.WriteLine(TbxSendData.Text.Length);
//Console.WriteLine(sendbuf.Length);
/*for(int j=0;j< sendbuf.Length; j++)
{
Console.WriteLine(sendbuf[j]);
}
*/
SendModbusData(ref sendbuf);
}
public void Send_Simple()
{
try
{
sp.WriteLine(TextBox_Sen.Text);
}
catch (Exception)
{
MessageBox.Show("发送数据时发生错误！", "错误提示");
return;
}
}
#endregion
#region**接收数据**
public void sp_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
System.Threading.Thread.Sleep(100);//延时100ms完全接收数据
//this.Invoke跨线程访问，辅助线程访问主线程控件
this.Invoke((EventHandler)(delegate
{
if (RS485.Checked)
{
DataReceived_485();
}
else
{
DataReceived_Simple();
}
}));
}
public void DataReceived_485()
{
//Console.WriteLine("kkk");
DateTime dt = DateTime.Now;
if (sp.IsOpen)
{
try
{
//string str = readBuffer.ToString();
int count = sp.BytesToRead;//读取缓冲区数据字节（8位）数
if (count > 0)
{
Byte[] readBuffer = new Byte[sp.BytesToRead];//创建接收字节数组
sp.Read(readBuffer, 0, readBuffer.Length);//读取接收的数据
String RecvDataText = null;
String RescDataCRC = null;
TextBox_Rec.Text += dt.GetDateTimeFormats('f')[0].ToString() + "\r\n";
//GetResponse(ref readBuffer);//readBuffer[0]一个字节
// CRC 验证
if (CheckResponse(readBuffer))
{
//显示输入数据
for (int i = 0; i < readBuffer.Length; i++)
{
RecvDataText += ("0x" + readBuffer[i].ToString("X2") + " ");
//RecvDataText += (ReceivedData[i].ToString("X2") + " ");
}
byte[] CRC = new byte[2];
GetCRC(readBuffer, ref CRC);
//未进行CRC校验
for (int j = 0; j < 2; j++)
{
RescDataCRC += ("0x" + CRC[j].ToString("X2") + " ");
}
TextBox_Rec.Text += RecvDataText + "\r\n";
sp.DiscardInBuffer();//清除串行驱动程序的接收缓冲区的数据；
}
else
{
//modbusStatus = "CRC校验 error";
sp.DiscardInBuffer();
}
}
else
{
//**************************************************************************************************
TextBox_Rec.Text += "读取缓冲区数据失败，请重启系统" + "\r\n";
}
}
catch (Exception)
{
sp.DiscardInBuffer();//读取缓冲区数据字节（8位）数 失败
}
}
else
{
// modbusStatus = "Serial port not open";
}
//Console.WriteLine(weightdate);
}
public void DataReceived_Simple()
{
DateTime dt = DateTime.Now;
if (!Hex_Rec.Checked)
{
TextBox_Rec.Text += dt.GetDateTimeFormats('f')[0].ToString() + "\r\n";
//TextBox_Rec.Text += sp.Read() + "\r\n";
/*
* sp.ReadLine()是线程阻塞的，机器向串口发送数据然后 串口有数据接收时，sp.ReadLine()才会继续向下执行。
* 因为下位机没有发回车换行来，默认是\n结束，相当于执行ReadTo('\n')因为下位机没发\n，所以一直卡在这里等待。
*/
//TextBox_Rec.Text += sp.ReadLine() + "\r\n";
try{
Byte[] receivedData = new Byte[sp.BytesToRead]; //创建接收字节数组
sp.Read(receivedData, 0, receivedData.Length); //读取数据
TextBox_Rec.Text += new UTF8Encoding().GetString(receivedData) + "\r\n";//用万能的UTF8可以传输中文不会乱码
}catch (System.Exception ex){
MessageBox.Show(ex.Message, ":出错提示!!!!!");
}
}
else
{
int i_InNum;//输入缓冲区中字节数
i_InNum = sp.BytesToRead;
Byte[] ReceivedData = new Byte[sp.BytesToRead];//创建接收字节数组
sp.Read(ReceivedData, 0, ReceivedData.Length);//读取接收的数据
String RecvDataText = null;
for (int i = 0; i < ReceivedData.Length; i++)
{
RecvDataText += ("0x" + ReceivedData[i].ToString("X2") + " ");
}
TextBox_Rec.Text += dt.GetDateTimeFormats('f')[0].ToString() + "\r\n";
TextBox_Rec.Text += RecvDataText + "\r\n";
}
//丢弃接收缓冲区数据
sp.DiscardInBuffer();
}
#endregion
#region**Check Response**
private bool CheckResponse(byte[] response)
{
//Perform a basic CRC check:
byte[] CRC = new byte[2];
GetCRC(response, ref CRC);
if (CRC[0] == response[response.Length - 2] && CRC[1] == response[response.Length - 1])
return true;
else
return false;
}
#endregion
#region**Get Response**
private void GetResponse(ref byte[] response)
{
//There is a bug in .Net 2.0 DataReceived Event that prevents people from using this
//event as an interrupt to handle data (it doesn't fire all of the time). Therefore
//we have to use the ReadByte command for a fixed length as it's been shown to be reliable.
for (int i = 0; i < response.Length; i++)
{
response[i] = (byte)(sp.ReadByte());//从输入缓冲区同步读取一个字节
}
return;
}
#endregion
#region**CRC Computation**
public void GetCRC(byte[] message, ref byte[] CRC)
{
//Function expects a modbus message of any length as well as a 2 byte CRC array in which to
//return the CRC values:
ushort CRCFull = 0xFFFF;
byte CRCHigh = 0xFF, CRCLow = 0xFF;
char CRCLSB;
for (int i = 0; i < (message.Length) - 2; i++)
{
CRCFull = (ushort)(CRCFull ^ message[i]);
for (int j = 0; j < 8; j++)
{
CRCLSB = (char)(CRCFull & 0x0001);
CRCFull = (ushort)((CRCFull >> 1) & 0x7FFF);
if (CRCLSB == 1)
CRCFull = (ushort)(CRCFull ^ 0xA001);
}
}
CRC[1] = CRCHigh = (byte)((CRCFull >> 8) & 0xFF);
CRC[0] = CRCLow = (byte)(CRCFull & 0xFF);
}
#endregion
#region**SendModbusData 打包发送数据**
public bool SendModbusData(ref byte[] values)
{
//Ensure port is open:
if (sp.IsOpen)
{
//Clear in/out buffers:
sp.DiscardOutBuffer();//清空发送、接收缓冲区字节
sp.DiscardInBuffer();
//Function 3 response buffer:
byte[] response = new byte[values.Length + 2];
Array.Copy(values, response, values.Length);
//BuildMessage(address, (byte)3, start, registers, ref message);
//打包带有 CRC 验证的modbus 数据包:
byte[] CRC = new byte[2];
GetCRC(response, ref CRC);
//Console.WriteLine(CRC[0]);
//Console.WriteLine(CRC[1]);
response[0] = Convert.ToByte(response[0]);//地址
response[1] = Convert.ToByte(response[1]);//功能
//values[2] = (byte)(Convert.ToByte(values[2])>>8);//寄存器地址
response[2] = Convert.ToByte(response[2]);
response[3] = Convert.ToByte(response[3]);
//values[2] = (byte)(Convert.ToByte(values[]) >> 8);//寄存器个数
response[4] = Convert.ToByte(response[4]);
response[5] = Convert.ToByte(response[5]);
response[response.Length - 2] = CRC[0];
response[response.Length - 1] = CRC[1];
values = response; //返回带有 CRC 验证的modbus 数据包
/*
Console.WriteLine(values.Length);
for (int i=0;i= ms)
{
Console.WriteLine(ts.TotalMilliseconds);
i = ms + 2;
}
i--;
}
return true;
}
#endregion
#region**清空接收发送区**
private void Clear_Sen_Click(object sender, EventArgs e)
{
TextBox_Sen.Text = "";
}
private void Clear_Recive_Click(object sender, EventArgs e)
{
TextBox_Rec.Text = "";
}
#endregion
#region**自动清空接收区**
private void AutoClear_CheckedChanged(object sender, EventArgs e)
{
if (AutoClear.Checked)
{
//设置Timer控件可用
this.timer2.Enabled = true;
//设置时间间隔（毫秒为单位）
this.timer2.Interval = 3000;
}
else
{
this.timer2.Enabled = false;
}
}
private void timer2_Tick(object sender, EventArgs e)
{
this.Invoke(new EventHandler(delegate {
TextBox_Rec.Text = "";
}));
}
#endregion
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
namespace Com_zhx
{
public abstract class CustomIniFile
{
public CustomIniFile(string AFileName)
{
FFileName = AFileName;
}
private string FFileName;
public string FileName
{
get { return FFileName; }
}
public virtual bool SectionExists(string Section)
{
List vStrings = new List();
ReadSections(vStrings);
return vStrings.Contains(Section);
}
public virtual bool ValueExists(string Section, string Ident)
{
List vStrings = new List();
ReadSection(Section, vStrings);
return vStrings.Contains(Ident);
}
public abstract string ReadString(string Section, string Ident, string Default);
public abstract bool WriteString(string Section, string Ident, string Value);
public abstract bool ReadSectionValues(string Section, List Strings);
public abstract bool ReadSection(string Section, List Strings);
public abstract bool ReadSections(List Strings);
public abstract bool EraseSection(string Section);
public abstract bool DeleteKey(string Section, string Ident);
public abstract bool UpdateFile();
}
///
/// 存储本地INI文件的类。
///
public class IniFile : CustomIniFile
{
[DllImport("kernel32")]
private static extern uint GetPrivateProfileString(
string lpAppName, // points to section name
string lpKeyName, // points to key name
string lpDefault, // points to default string
byte[] lpReturnedString, // points to destination buffer
uint nSize, // size of destination buffer
string lpFileName // points to initialization filename
);
[DllImport("kernel32")]
private static extern bool WritePrivateProfileString(
string lpAppName, // pointer to section name
string lpKeyName, // pointer to key name
string lpString, // pointer to string to add
string lpFileName // pointer to initialization filename
);
///
/// 构造IniFile实例。
/// 指定文件名
///
public IniFile(string AFileName)
: base(AFileName)
{
}
///
/// 析够IniFile实例。
///
~IniFile()
{
UpdateFile();
}
///
/// 读取字符串值。
/// 指定变量标识。
/// 指定所在区域。
/// 指定默认值。
/// 返回读取的字符串。如果读取失败则返回该值。
///
public override string ReadString(string Section, string Ident, string Default)
{
byte[] vBuffer = new byte[2048];
uint vCount = GetPrivateProfileString(Section,
Ident, Default, vBuffer, (uint)vBuffer.Length, FileName);
return Encoding.Default.GetString(vBuffer, 0, (int)vCount);
}
///
/// 写入字符串值。
///
/// 指定所在区域。
/// 指定变量标识。
/// 所要写入的变量值。
/// 返回写入是否成功。
public override bool WriteString(string Section, string Ident, string Value)
{
return WritePrivateProfileString(Section, Ident, Value, FileName);
}
///
/// 获得区域的完整文本。(变量名=值格式)。
///
/// 指定区域标识。
/// 输出处理结果。
/// 返回读取是否成功。
public override bool ReadSectionValues(string Section, List Strings)
{
List vIdentList = new List();
if (!ReadSection(Section, vIdentList)) return false;
foreach (string vIdent in vIdentList)
Strings.Add(string.Format("{0}={1}", vIdent, ReadString(Section, vIdent, "")));
return true;
}
///
/// 读取区域变量名列表。
///
/// 指定区域名。
/// 指定输出列表。
/// 返回获取是否成功。
public override bool ReadSection(string Section, List Strings)
{
byte[] vBuffer = new byte[16384];
uint vLength = GetPrivateProfileString(Section, null, null, vBuffer,
(uint)vBuffer.Length, FileName);
int j = 0;
for (int i = 0; i < vLength; i++)
if (vBuffer[i] == 0)
{
Strings.Add(Encoding.Default.GetString(vBuffer, j, i - j));
j = i + 1;
}
return true;
}
///
/// 读取区域名列表。
///
/// 指定输出列表。
///
public override bool ReadSections(List Strings)
{
byte[] vBuffer = new byte[16384];
uint vLength = GetPrivateProfileString(null, null, null, vBuffer,
(uint)vBuffer.Length, FileName);
int j = 0;
for (int i = 0; i < vLength; i++)
if (vBuffer[i] == 0)
{
Strings.Add(Encoding.Default.GetString(vBuffer, j, i - j));
j = i + 1;
}
return true;
}
///
/// 删除指定区域。
///
/// 指定区域名。
/// 返回删除是否成功。
public override bool EraseSection(string Section)
{
return WritePrivateProfileString(Section, null, null, FileName);
}
///
/// 删除指定变量。
///
/// 变量所在区域。
/// 变量标识。
/// 返回删除是否成功。
public override bool DeleteKey(string Section, string Ident)
{
return WritePrivateProfileString(Section, Ident, null, FileName);
}
///
/// 更新文件。
///
/// 返回更新是否成功。
public override bool UpdateFile()
{
return WritePrivateProfileString(null, null, null, FileName);
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Com_zhx
{
class Profile
{
public static void LoadProfile()
{
string strPath = AppDomain.CurrentDomain.BaseDirectory;
_file = new IniFile(strPath + "zhx_Cfg.ini");
G_BAUDRATE = _file.ReadString("CONFIG", "BaudRate", "9600"); //读数据，下同
G_DATABITS = _file.ReadString("CONFIG", "DataBits", "8");
G_STOP = _file.ReadString("CONFIG", "StopBits", "1");
G_PARITY = _file.ReadString("CONFIG", "Parity", "None");
if(G_BAUDRATE==""|| G_BAUDRATE == null)
{
G_BAUDRATE = "9600";
}
if(G_DATABITS==""|| G_DATABITS == null)
{
G_DATABITS = "8";
}
if(G_STOP==""|| G_STOP == null)
{
G_STOP = "1";
}
if(G_PARITY==""|| G_PARITY == null)
{
G_PARITY = "None";
}
}
public static void SaveProfile()
{
string strPath = AppDomain.CurrentDomain.BaseDirectory;
_file = new IniFile(strPath + "zhx_Cfg.ini");
_file.WriteString("CONFIG", "BaudRate", G_BAUDRATE); //写数据，下同
_file.WriteString("CONFIG", "DataBits", G_DATABITS);
_file.WriteString("CONFIG", "StopBits", G_STOP);
_file.WriteString("CONFIG", "G_PARITY", G_PARITY);
}
private static IniFile _file;//内置了一个对象
public static string G_BAUDRATE = "9600";//给ini文件赋新值，并且影响界面下拉框的显示
public static string G_DATABITS = "8";
public static string G_STOP = "1";
public static string G_PARITY = "None";
}
}
结束
