using IoTClient.Clients.ModBus; using IoTServer.Common; using IoTServer.Servers.ModBus; using System; using System.Drawing; using System.Windows.Forms; namespace IoTClient.Demo { public partial class ModBusTcpControl : UserControl { ModBusTcpClient client; ModBusTcpServer server; public ModBusTcpControl() { InitializeComponent(); Size = new Size(880, 450); button3.Enabled = false; button4.Enabled = false; button2.Enabled = false; button5.Enabled = false; toolTip1.SetToolTip(button1, "开启本地ModBusTcp服务端仿真模拟服务"); toolTip1.SetToolTip(but_open, "点击打开连接"); } private void button1_Click(object sender, EventArgs e) { server?.Close(); server = new ModBusTcpServer("127.0.0.1", 502); server.Start(); button1.Enabled = false; button2.Enabled = true; txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}]开启仿真模拟服务\r\n"); } private void button2_Click(object sender, EventArgs e) { server?.Close(); button1.Enabled = true; button2.Enabled = false; txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}]关闭仿真模拟服务\r\n"); } private void but_open_Click(object sender, EventArgs e) { client?.Close(); client = new ModBusTcpClient(txt_ip.Text?.Trim(), int.Parse(txt_port.Text?.Trim())); if (client.Open()) { button3.Enabled = true; button4.Enabled = true; but_open.Enabled = false; button5.Enabled = true; txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}]连接成功\r\n"); } else MessageBox.Show("连接失败"); } private void button5_Click(object sender, EventArgs e) { client?.Close(); but_open.Enabled = true; button5.Enabled = false; txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}]连接关闭\r\n"); } private void button3_Click(object sender, EventArgs e) { byte.TryParse(txt_stationNumber.Text?.Trim(), out byte stationNumber); if (string.IsNullOrWhiteSpace(txt_address.Text)) { MessageBox.Show("请输入地址"); return; } try { dynamic result = null; if (rd_bit.Checked) { result = client.ReadCoil(txt_address.Text, stationNumber); } else if (rd_short.Checked) { result = client.ReadInt16(txt_address.Text, stationNumber); } else if (rd_ushort.Checked) { result = client.ReadUInt16(txt_address.Text, stationNumber); } else if (rd_int.Checked) { result = client.ReadInt32(txt_address.Text, stationNumber); } else if (rd_uint.Checked) { result = client.ReadUInt32(txt_address.Text, stationNumber); } else if (rd_long.Checked) { result = client.ReadInt64(txt_address.Text, stationNumber); } else if (rd_ulong.Checked) { result = client.ReadUInt64(txt_address.Text, stationNumber); } else if (rd_float.Checked) { result = client.ReadFloat(txt_address.Text, stationNumber); } else if (rd_double.Checked) { result = client.ReadDouble(txt_address.Text, stationNumber); } if (result.IsSucceed) txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}][读取 {txt_address.Text?.Trim()} 成功]:{result.Value}\r\n"); else txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}][读取 {txt_address.Text?.Trim()} 失败]:{result.Err}\r\n"); if (checkBox1.Checked) { txt_content.AppendText($"[请求报文]{result.Requst}\r\n"); txt_content.AppendText($"[响应报文]{result.Response}\r\n\r\n"); } } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void button4_Click(object sender, EventArgs e) { byte.TryParse(txt_stationNumber.Text?.Trim(), out byte stationNumber); if (string.IsNullOrWhiteSpace(txt_address.Text)) { MessageBox.Show("请输入地址"); return; } if (string.IsNullOrWhiteSpace(txt_value.Text)) { MessageBox.Show("请输入值"); return; } try { dynamic result = null; if (rd_bit.Checked) { if (!bool.TryParse(txt_value.Text?.Trim(), out bool coil)) { if (txt_value.Text?.Trim() == "0") coil = false; else if (txt_value.Text?.Trim() == "1") coil = true; else { MessageBox.Show("请输入 True 或 False"); return; } } result = client.Write(txt_address.Text, coil, stationNumber); } else if (rd_short.Checked) { result = client.Write(txt_address.Text, short.Parse(txt_value.Text?.Trim()), stationNumber); } else if (rd_ushort.Checked) { result = client.Write(txt_address.Text, ushort.Parse(txt_value.Text?.Trim()), stationNumber); } else if (rd_int.Checked) { result = client.Write(txt_address.Text, int.Parse(txt_value.Text?.Trim()), stationNumber); } else if (rd_uint.Checked) { result = client.Write(txt_address.Text, uint.Parse(txt_value.Text?.Trim()), stationNumber); } else if (rd_long.Checked) { result = client.Write(txt_address.Text, long.Parse(txt_value.Text?.Trim()), stationNumber); } else if (rd_ulong.Checked) { result = client.Write(txt_address.Text, ulong.Parse(txt_value.Text?.Trim()), stationNumber); } else if (rd_float.Checked) { result = client.Write(txt_address.Text, float.Parse(txt_value.Text?.Trim()), stationNumber); } else if (rd_double.Checked) { result = client.Write(txt_address.Text, double.Parse(txt_value.Text?.Trim()), stationNumber); } if (result.IsSucceed) txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}][写入 {txt_address.Text?.Trim()} 成功]:{txt_value.Text?.Trim()} OK\r\n"); else txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}][写入 {txt_address.Text?.Trim()} 失败]:{result.Err}\r\n"); if (checkBox1.Checked) { txt_content.AppendText($"[请求报文]{result.Requst}\r\n"); txt_content.AppendText($"[响应报文]{result.Response}\r\n\r\n"); } } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void button6_Click(object sender, EventArgs e) { DataPersist.Clear(); txt_content.AppendText($"[{DateTime.Now.ToLongTimeString()}]数据清空成功\r\n\r\n"); } } }