实例介绍
【实例简介】
Socket网络通讯主机，物联网通讯，和控制机器设备实现通讯
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.IO.Ports;
using System.Text;
using System.Windows.Forms;
using UtilityProject;
namespace PortControlDemo
{
public partial class MainHot : Form
{
/// <summary>
/// 创建串口对象
/// </summary>
private SerialPort port = new SerialPort();
/// <summary>
/// 接受消息
/// </summary>
private StringBuilder MsgStr = new StringBuilder();
/// <summary>
/// 构造函数
/// </summary>
public MainHot()
{
InitializeComponent();
Control.CheckForIllegalCrossThreadCalls = false; //防止跨线程访问出错，好多地方会用到
}
private void setopen_Click(object sender, EventArgs e)
{
}
private void setclose_Click(object sender, EventArgs e)
{
//关
// pchSend.SendData(tb_send.Text);
}
private void setdw_Click(object sender, EventArgs e)
{
//档位
if (seldw.SelectedIndex >= 0)
{
string strdw = "0" (seldw.SelectedIndex 1).ToString();
// MessageBox.Show(strdw);
//pchSend.SendData(tb_send.Text);
}
else
{
MessageBox.Show("请先选择要设置阀门的档位");
}
}
private void MainHot_Load(object sender, EventArgs e)
{
cbtsdz.SelectedIndex = 0;
//
setclose.Enabled = false;
setopen.Enabled = false;
setdw.Enabled = false;
seldw.Enabled = false;
view.Enabled = false;
btnsetkzid.Enabled = false;
btngetkzid.Enabled = false;
btnsetjzqid.Enabled = false;
btngetjzqid.Enabled = false;
btnsetid.Enabled = false;
btnsetip.Enabled = false;
btnsetdk.Enabled = false;
btnsetsn.Enabled = false;
btngetinfo.Enabled = false;
//
clsglx.SelectedIndex = 0;
clfmlx.SelectedIndex = 0;
//
///获取窗口列表
string[] ports = SerialPort.GetPortNames();
if (ports.Length > 0)
{
///添加可选通讯口
com.Items.AddRange(ports);
///设置默认选择
com.SelectedIndex = 0;
bot.SelectedIndex = 0;
databit.SelectedIndex = 0;
stopbit.SelectedIndex = 0;
jy.SelectedIndex = 0;
}
else
{
MessageBox.Show("没有可用的串口!");
}
}
private void setclose_Click_1(object sender, EventArgs e)
{
}
private void comboBox6_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void button3_Click(object sender, EventArgs e)
{
try
{
///检测串口是否开着
if (!port.IsOpen)
{
///设置串口名称
port.PortName = com.SelectedItem.ToString();
///设置波特率
port.BaudRate = Convert.ToInt32(bot.Text);
///数据位
port.DataBits = Convert.ToInt32(databit.Text);
///设置无协议
port.Handshake = Handshake.None;
///设置读取不超时
port.ReadTimeout = -1;
//port.WriteTimeout = -1;
///设置停止位
port.StopBits = GetStopBits(stopbit.SelectedIndex 1);
port.DtrEnable = true;
///无校验
port.Parity = GetParity(jy.SelectedIndex);
///设置数据接收事件
// port.DataReceived = ReciveData;
port.DataReceived = Port_DataReceived;
///打开串口
port.Open();
open.Text = "关闭串口";
UpdateStutas();
setclose.Enabled = true;
setopen.Enabled = true;
setdw.Enabled = true;
seldw.Enabled = true;
view.Enabled = true;
btnsetkzid.Enabled = true;
btngetkzid.Enabled = true;
btnsetjzqid.Enabled = true;
btngetjzqid.Enabled = true;
btnsetid.Enabled = true;
btnsetip.Enabled = true;
btnsetdk.Enabled = true;
btnsetsn.Enabled = true;
btngetinfo.Enabled = true;
}
else
{
///关闭串口
port.Close();
// port.DataReceived -= ReciveData;
port.DataReceived -= Port_DataReceived;
open.Text = "打开串口";
setclose.Enabled = false;
setopen.Enabled = false;
setdw.Enabled = false;
seldw.Enabled = false;
view.Enabled = false;
btnsetkzid.Enabled = false;
btngetkzid.Enabled = false;
btnsetjzqid.Enabled = false;
btngetjzqid.Enabled = false;
btnsetid.Enabled = false;
btnsetip.Enabled = false;
btnsetdk.Enabled = false;
btnsetsn.Enabled = false;
btngetinfo.Enabled = false;
}
}
catch (Exception ex)
{
MessageBox.Show("端口设置错误!");
}
finally
{
UpdateStutas();
}
}
private void Port_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (rbshowasc.Checked)//判断是否选中了字符选项
{
string str = port.ReadExisting();//保存接收到的字符
txtdata.AppendText(str);//显示出接收到的字符
}
else if (rbshowhex.Checked)//数值模式
{
byte data;
data = (byte)port.ReadByte();//读取串口接收的一个字节
string str = Convert.ToString(data, 16).ToUpper();//将读取到的字节转换成十六进制字符串显示
txtdata.AppendText("0x" (str.Length == 1 ? "0" str : str) " ");//在文本框中显示出转换后的字符串
}
}
/// <summary>
/// 数据接收事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void ReciveData(object sender, SerialDataReceivedEventArgs e)
{
lbview.Text = "";
txtdata.Text = "";
///是否接受完整
bool isStop = false;
///数据长度
int count = port.BytesToRead;
string msg = null;
//{
byte[] buff = new byte[count];
///接收数据
port.Read(buff, 0, count);
///将比特数据转换为字符串
foreach (byte buf in buff)
{
try
{
if (rbshowasc.Checked)
{
// msg = System.Text.Encoding.ASCII.GetBytes();
// msg = Convert.ToString(buff);
msg = AddData(buff);
}
else if (rbshowhex.Checked)
{
msg = Convert.ToString(buf, 16);
}
if (msg.Length == 1)
{
msg = "0" msg;
}
//if (msg == "16")
//{
isStop = true;
//}
MsgStr.Append(msg " ");
}
catch (Exception)
{
MessageBox.Show("设备返回不支持的数据！");
}
}
if (!isStop)
{
return;
}
///显示数据
//data.Text = "-----------查询返回状态信息：-----------------\n";
//data.Text = DateTime.Now.ToString() ":---->" MsgStr '\n';
//data.Text = "----------------------------\n";
txtdata.Text = MsgStr;
///分割接收的消息
string[] revbuff = MsgStr.ToString().Trim().Split(' ');
// MessageBox.Show(revbuff[20] "__" revbuff[19] "__" revbuff[18]);
//FE FE 68 10 AA AA AA AA AA AA AA 81 08 1F 90 00 01 2D 01 3d 01 1d 16
// lbview.Text = "阀门位置：" revbuff[17] " " ";当前温度：" revbuff[19] "." revbuff[18] "摄氏度";
MsgStr.Clear();
//刷新
}
/// <summary>
/// 解码过程
/// </summary>
/// <param name="data">串口通信的数据编码方式因串口而异，需要查询串口相关信息以获取</param>
private string AddData(byte[] data)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < data.Length; i )
{
sb.AppendFormat("{0:x2}" " ", data[i]);
}
return sb.ToString();//
}
private void send_Click(object sender, EventArgs e)
{
if(message.Text.Trim().Length<1)
{
MessageBox.Show("请输入发送数据信息！");
return;
}
if (rbasc.Checked)
{
SendMsg2(message.Text, 1);
}
else if(rbhex.Checked)
{
SendMsg2(message.Text, 0);
}
else
{
MessageBox.Show("请选择发送数据类型！");
}
}
/// <summary>
/// 获取串口状态
/// </summary>
/// <returns></returns>
private void UpdateStutas()
{
if (!port.IsOpen)
return;
string stuta = port.PortName ": " port.IsOpen.ToString()
" DSR:" port.DsrHolding " CDH:" port.CDHolding
" CTS:" port.CtsHolding;
// stutas.Text = stuta;
}
/// <summary>
/// 发信
/// </summary>
/// <param name="newmsg"></param>
/// <param name="dttype">发送数据格式,0:16进制 1:ASCII码</param>
private void SendMsg2(string newmsg, int dttype)
{
newmsg = newmsg "\r\n";
if (!port.IsOpen)
{
MessageBox.Show("端口已被关闭!");
return;
}
// UpdateStutas();
///清理残余的缓冲区
port.DiscardInBuffer();
port.DiscardOutBuffer();
//转换列表为数组后发送
if (dttype == 0)
{
///分割要发送的消息
string[] sendbuff = newmsg.Split(' ');
///发送数据
List<byte> buf = new List<byte>();//填充到这个临时列表中
foreach (string msg in sendbuff)
{
try
{
buf.Add(byte.Parse(msg, System.Globalization.NumberStyles.HexNumber));
// buf.Add(byte.Parse(msg));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message "._" msg "不是有效的十六进制数字");
return;
}
}
port.Write(buf.ToArray(), 0, buf.Count);
}
else if(dttype==1)
{
byte[] bytes = System.Text.Encoding.ASCII.GetBytes(newmsg);
port.Write(bytes, 0, bytes.Length);//发送数据
}
//记录发送的字节数
// sendnum.Text = "发送字节数：" buf.Count;
}
private void SendMsg(string newmsg)
{
if (!port.IsOpen)
{
MessageBox.Show("端口已被关闭!");
return;
}
// UpdateStutas();
///清理残余的缓冲区
port.DiscardInBuffer();
port.DiscardOutBuffer();
//转换列表为数组后发送
///分割要发送的消息
string[] sendbuff = newmsg.Split(' ');
///发送数据
List<byte> buf = new List<byte>();//填充到这个临时列表中
foreach (string msg in sendbuff)
{
try
{
buf.Add(byte.Parse(msg, System.Globalization.NumberStyles.HexNumber));
// buf.Add(byte.Parse(msg));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message "._" msg "不是有效的十六进制数字");
return;
}
}
port.Write(buf.ToArray(), 0, buf.Count);
// byte[] bytes = System.Text.Encoding.ASCII.GetBytes(newmsg);
// port.Write(bytes, 0, bytes.Length);//发送数据
//记录发送的字节数
// sendnum.Text = "发送字节数：" buf.Count;
}
/// <summary>
/// 获取停止位
/// </summary>
/// <param name="num"></param>
/// <returns></returns>
private StopBits GetStopBits(int num)
{
foreach (StopBits bit in Enum.GetValues(typeof(StopBits)))
{
if ((int)bit == num)
{
return bit;
}
}
return StopBits.None;
}
/// <summary>
/// 获取校验
/// </summary>
/// <param name="num"></param>
/// <returns></returns>
private Parity GetParity(int num)
{
foreach (Parity bit in Enum.GetValues(typeof(Parity)))
{
if ((int)bit == num)
{
return bit;
}
}
return Parity.None;
}
private string[] idsplits(string source,int count)
{
List<string> list = new List<string>();
string temp = string.Empty;
if (source.Length % count != 0)
source = source.PadRight(source.Length (count - source.Length % count));
for (int i = 0; i < source.Length; i = i count)
{
for (int j = 0; j < count; j )
{
temp = source[i j];
}
list.Add(temp);
temp = string.Empty;
}
return list.ToArray();
}
private void message_TextChanged(object sender, EventArgs e)
{
}
private void btnsetjzqid_Click(object sender, EventArgs e)
{
//得到集中器编号的值
string str = txtjzqID.Text.Trim();
if (str.Length == 7)
{
string strmsg = "SET CPU ID " str;
SendMsg2(strmsg, 1);
}
else
{
MessageBox.Show("请正确输入设备编号！");
}
}
/// <summary>
/// 写入控制器地址编号
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnsetkzid_Click_1(object sender, EventArgs e)
{
txtdata.Text = "";
string strfmlx = "";
string strsglx = "";
try
{
if (clfmlx.SelectedIndex < 1)
{
MessageBox.Show("请正确选择阀门类型！！");
return;
}
else if (clfmlx.SelectedIndex == 1)
{
strfmlx = "0";
}
else if (clfmlx.SelectedIndex == 2)
{
strfmlx = "5";
}
if (clsglx.SelectedIndex < 1)
{
MessageBox.Show("请正确选择水管类型！！");
return;
}
strsglx = clsglx.SelectedItem.ToString();
// 获取最新地址值 test by wed 2019-10-28
// string str = txtkzfid.Text.Trim();
string connstr = SimpleSqlHelper.GetConnString();
string sql = "select top 1 * from kzqproducts where scnd =DATEPART(year,getdate()) order by id desc";
DataSet dsbh = SimpleSqlHelper.ExecuteDataset(connstr, CommandType.Text, sql);
txtnewcpid.Text = dsbh.Tables[0].Rows[0]["cpbh"].ToString();
txtnewkzqid.Text = dsbh.Tables[0].Rows[0]["kzqbh"].ToString();
int bhxh = Convert.ToInt32(txtnewcpid.Text) 1;
txtcpbh.Text = bhxh.ToString();
int dzxh = Convert.ToInt32(txtnewkzqid.Text.Substring(7)) 1;
txtkzfid.Text = strfmlx strsglx txtcpbh.Text.Substring(0, 2).ToString() cbtsdz.SelectedItem.ToString() dzxh.ToString().PadLeft(7, '0');
//end test
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
string str = txtkzfid.Text.Trim();
if (str.Length == 14)
{
str = "6811" str;
string idw = string.Empty; // "37 82 00 00 00 00 01 ";
string jyhw = "00"; //D1
string[] idstrs = idsplits(str, 2);
//3组到20组累加取余，结果给21组
UInt64 sn = 0;
for (int k = 0; k < idstrs.Length; k )
{
sn = sn Convert.ToUInt64(idstrs[k], 16);
}
int m = Convert.ToInt32(sn);
jyhw = Convert.ToString(m, 16);
if (jyhw.Length > 2)
{
jyhw = jyhw.Substring(1);
}
else if (jyhw.Length < 2)
{
jyhw = "0" jyhw;
}
idw = string.Join(" ", idstrs);
string strmsg = "FE FE FE FE " idw " " jyhw " 16";
txtzl.Text = strmsg;
SendMsg2(strmsg, 0);
//写入地址成功返回后记录库
string strpro = "p_addinfo";
SqlParameter[] ps ={
new SqlParameter("@cpbh",txtcpbh.Text),
new SqlParameter("@kzqbh",txtkzfid.Text),
new SqlParameter("@fmlx",strfmlx),
new SqlParameter("@sglx",strsglx),
new SqlParameter("@cjr","user0")
};
string connstr = SimpleSqlHelper.GetConnString();
SimpleSqlHelper.ExecuteNonQuery(connstr, CommandType.StoredProcedure, strpro, ps);
}
else
{
MessageBox.Show("请先生成正确的14位数字控制阀编号！！");
}
}
private void view_Click_1(object sender, EventArgs e)
{
if (txtid.Text.Trim().Length > 0)
{
////得到选中行的索引
//int intRow = dg1.SelectedCells[0].RowIndex;
////得到列的索引
//int intColumn = dg1.SelectedCells[0].ColumnIndex;
//得到选中行某列的值
string str = txtid.Text.Trim();
// MessageBox.Show(str);
if (str.Length >= 14)
{
string strmsg = "FE FE FE FE 68 10 " str " 01 03 1F 90 00 D1 16";
lbview.Text = "";
txtdata.Text = "";
SendMsg(strmsg);
}
else
{
MessageBox.Show("请点击列表选择框正确选择一条设备记录！");
}
}
else
{
MessageBox.Show("请点击列表选择框选择一条设备记录！");
}
}
private void btngetkzid_Click_1(object sender, EventArgs e)
{
//test by wed 2019-10-28
string str = txtkzfid.Text.Trim();
string connstr = SimpleSqlHelper.GetConnString();
// string sql = "select * from Hot_Tdqxxs where wkqbh = '" str "'";
// DataSet dsCamera = SimpleSqlHelper.ExecuteDataset(connstr, CommandType.Text, sql);
//end test
}
private void setopen_Click_1(object sender, EventArgs e)
{
//开
// pchSend.SendData(tb_send.Text);
//string strmsg = "FE FE FE 68 10 AA AA AA AA AA AA AA 04 06 17 A0 00 05 65 78 11 16";
//SendMsg(strmsg);
if (txtid.Text.Trim().Length > 0)
{
////得到选中行的索引
//int intRow = dg1.SelectedCells[0].RowIndex;
////得到列的索引
//int intColumn = dg1.SelectedCells[0].ColumnIndex;
//得到选中行某列的值
string str = txtid.Text.Trim();
// MessageBox.Show(str);
if (str.Length >= 14)
{
string strmsg = "FE FE FE 68 10 " str " 04 06 17 A0 00 05 65 78 11 16";
SendMsg(strmsg);
}
else
{
MessageBox.Show("请点击列表选择框正确选择一条设备记录！");
}
}
else
{
MessageBox.Show("请点击列表选择框选择一条设备记录！");
}
}
private void setdw_Click_2(object sender, EventArgs e)
{
//if (seldw.SelectedIndex >= 0)
//{
// string strmsg = "FE FE FE 68 10 AA AA AA AA AA AA AA 04 06 17 A0 00 " seldw.SelectedItem.ToString() " 65 78 11 16";
// SendMsg(strmsg);
//}
//档位
if (txtid.Text.Trim().Length > 0)
{
//得到选中行某列的值
string str = txtid.Text.Trim();
// MessageBox.Show(str);
if (str.Length >= 14)
{
if (seldw.SelectedIndex >= 0)
{
string strmsg = "FE FE FE 68 10 " str " 04 06 17 A0 00 " seldw.SelectedItem.ToString() " 65 78 11 16";
SendMsg(strmsg);
}
}
else
{
MessageBox.Show("请点击列表选择框正确选择一条设备记录！");
}
}
else
{
MessageBox.Show("请点击列表选择框选择一条设备记录！");
}
}
private void setclose_Click_2(object sender, EventArgs e)
{
// string strmsg = "FE FE FE 68 10 AA AA AA AA AA AA AA 04 06 17 A0 00 00 65 78 11 16";
// SendMsg(strmsg);
//关
if (txtid.Text.Trim().Length > 0)
{
////得到选中行的索引
//int intRow = dg1.SelectedCells[0].RowIndex;
////得到列的索引
//int intColumn = dg1.SelectedCells[0].ColumnIndex;
//得到选中行某列的值
string str = txtid.Text.Trim();
// MessageBox.Show(str);
if (str.Length >= 14)
{
string strmsg = "FE FE FE 68 10 " str " 04 06 17 A0 00 00 65 78 11 16";
SendMsg(strmsg);
}
else
{
MessageBox.Show("请点击列表选择框正确选择一条设备记录！");
}
}
else
{
MessageBox.Show("请点击列表选择框选择一条设备记录！");
}
}
private void btngetjzqid_Click(object sender, EventArgs e)
{
//获取串口连接集中器的编号
string strmsg = "GET ID";
SendMsg2(strmsg, 1);
}
private void button2_Click(object sender, EventArgs e)
{
}
//获取到最新的控制器地址编号序号
private void button3_Click_1(object sender, EventArgs e)
{
try
{
string strfmlx = "";
if (clfmlx.SelectedIndex < 1)
{
MessageBox.Show("请正确选择阀门类型！！");
return;
}
else if (clfmlx.SelectedIndex == 1)
{
strfmlx = "0";
}
else if (clfmlx.SelectedIndex == 2)
{
strfmlx = "5";
}
if (clsglx.SelectedIndex < 1)
{
MessageBox.Show("请正确选择水管类型！！");
return;
}
string strsglx = clsglx.SelectedItem.ToString();
// 获取最新地址值 test by wed 2019-10-28
// string str = txtkzfid.Text.Trim();
string connstr = SimpleSqlHelper.GetConnString();
string sql = "select top 1 * from kzqproducts where scnd =DATEPART(year,getdate()) order by id desc";
DataSet dsbh = SimpleSqlHelper.ExecuteDataset(connstr, CommandType.Text, sql);
txtnewcpid.Text = dsbh.Tables[0].Rows[0]["cpbh"].ToString();
txtnewkzqid.Text = dsbh.Tables[0].Rows[0]["kzqbh"].ToString();
int bhxh = Convert.ToInt32(txtnewcpid.Text) 1;
txtcpbh.Text = bhxh.ToString();
int dzxh = Convert.ToInt32(txtnewkzqid.Text.Substring(7)) 1;
txtkzfid.Text = strfmlx strsglx txtcpbh.Text.Substring(0, 2).ToString() cbtsdz.SelectedItem.ToString() dzxh.ToString().PadLeft(7, '0');
//end test
txtsetid.Text = txtkzfid.Text; //生成地址显示
}
catch(Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
private void btngetjzq_Click(object sender, EventArgs e)
{
//获取到最新的集中器编号序号
string connstr = SimpleSqlHelper.GetConnString();
string jzqsql = "SELECT * FROM [dbo].[kzlinks] where scnd = DATEPART(year,getdate()) and scyf = DATEPART(month,getdate()) order by id desc";
DataSet dsjzqbh = SimpleSqlHelper.ExecuteDataset(connstr, CommandType.Text, jzqsql);
lbjzqbh.Text = dsjzqbh.Tables[0].Rows[0]["jzqbh"].ToString();
int bh = Convert.ToInt32(lbjzqbh.Text) 1;
txtjzqID.Text = bh.ToString();
//end test 2019-11-04
}
private void btnsetip_Click(object sender, EventArgs e)
{
//设置主机连接IP
string strmsg = "SET SERVER IP ";//047.104.137.177
strmsg = strmsg txtip.Text.Trim();
SendMsg2(strmsg, 1);
}
private void btnsetsn_Click(object sender, EventArgs e)
{
//设置心跳时间间隔8秒
string strmsg = "SET BETA TIME GAP ";//300
strmsg = strmsg txtsjjg.Text.Trim();
// strmsg = strmsg "\r\n";
SendMsg2(strmsg, 1);
}
private void btngetinfo_Click(object sender, EventArgs e)
{
txtdata.Text = "";
//查看现有配置
string strmsg = "GET INFO";
SendMsg2(strmsg, 1);
}
private void btnsetdk_Click(object sender, EventArgs e)
{
//设置连接主机端口
string strmsg = "SET IP PORT ";//300
strmsg = strmsg txtdk.Text.Trim();
SendMsg2(strmsg, 1);
}
private void btnsetid_Click(object sender, EventArgs e)
{
txtdata.Text = "";
//手动设置地址写入
string str = txtsetid.Text.Trim();
if (str.Length == 14)
{
str = "6811" str;
string idw = string.Empty; // "00 20 19 00 00 00 01 ";
string jyhw = "00"; //D1
string[] idstrs = idsplits(str, 2);
//3组到20组累加取余，结果给21组
UInt64 sn = 0;
for (int k = 0; k < idstrs.Length; k )
{
sn = sn Convert.ToUInt64(idstrs[k], 16);
}
int m = Convert.ToInt32(sn);
jyhw = Convert.ToString(m, 16);
if (jyhw.Length > 2)
{
jyhw = jyhw.Substring(1);
}
else if (jyhw.Length < 2)
{
jyhw = "0" jyhw;
}
idw = string.Join(" ", idstrs);
string strmsg = "FE FE FE FE " idw " " jyhw " 16";
txtzl.Text = strmsg;
SendMsg2(strmsg, 0);
}
}
private void button4_Click(object sender, EventArgs e)
{
txtdata.Text = "";
}
}
}
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