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; } dynamic result = null; try { var addressAndReadLength = txt_address.Text.Split('-'); var addressAndReadNumber = txt_address.Text.Split(',', '、', ','); //批量读取 if (addressAndReadLength.Length == 2) { var address = int.Parse(addressAndReadLength[0]); var readNumber = ushort.Parse(addressAndReadLength[1]); ushort bLength = 1; if (rd_bit.Checked || rd_discrete.Checked || rd_short.Checked || rd_ushort.Checked) { bLength = 1; } else if (rd_int.Checked || rd_uint.Checked || rd_float.Checked) { bLength = 2; } else if (rd_long.Checked || rd_ulong.Checked || rd_double.Checked) { bLength = 4; } var readLength = Convert.ToUInt16(bLength * readNumber); byte functionCode; if (rd_bit.Checked) { functionCode = 1; } else if (rd_discrete.Checked) { functionCode = 2; } else { functionCode = 3; } result = client.Read(address.ToString(), stationNumber, functionCode, readLength: readLength); if (result.IsSucceed) { AppendEmptyText(); byte[] rValue = result.Value; rValue = rValue.Reverse().ToArray(); for (int i = 0; i < readNumber; i++) { var cAddress = (address + i * bLength).ToString(); if (rd_bit.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadCoil(address.ToString(), cAddress, rValue).Value}"); } else if (rd_discrete.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadDiscrete(address.ToString(), cAddress, rValue).Value}"); } else if (rd_short.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadInt16(address.ToString(), cAddress, rValue).Value}"); } else if (rd_ushort.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadUInt16(address.ToString(), cAddress, rValue).Value}"); } else if (rd_int.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadInt32(address.ToString(), cAddress, rValue).Value}"); } else if (rd_uint.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadUInt32(address.ToString(), cAddress, rValue).Value}"); } else if (rd_long.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadInt64(address.ToString(), cAddress, rValue).Value}"); } else if (rd_ulong.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadUInt64(address.ToString(), cAddress, rValue).Value}"); } else if (rd_float.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadFloat(address.ToString(), cAddress, rValue).Value}"); } else if (rd_double.Checked) { AppendText($"[读取 {address + i * bLength} 成功]:{ client.ReadDouble(address.ToString(), cAddress, rValue).Value}"); } } } else { AppendText($"[读取 {txt_address.Text?.Trim()} 失败]:{result.Err}"); } } //批量读取 else if (addressAndReadNumber.Length >= 2) { DataTypeEnum datatype = DataTypeEnum.None; byte functionCode = 3; //线圈 if (rd_bit.Checked) { datatype = DataTypeEnum.Bool; functionCode = 1; } //离散 else if (rd_discrete.Checked) { datatype = DataTypeEnum.Bool; functionCode = 2; } else if (rd_short.Checked) { datatype = DataTypeEnum.Int16; } else if (rd_ushort.Checked) { datatype = DataTypeEnum.UInt16; } else if (rd_int.Checked) { datatype = DataTypeEnum.Int32; } else if (rd_uint.Checked) { datatype = DataTypeEnum.UInt32; } else if (rd_long.Checked) { datatype = DataTypeEnum.Int64; } else if (rd_ulong.Checked) { datatype = DataTypeEnum.UInt64; } else if (rd_float.Checked) { datatype = DataTypeEnum.Float; } else if (rd_double.Checked) { datatype = DataTypeEnum.Double; } List <ModbusInput> addresses = new List <ModbusInput>(); foreach (var item in addressAndReadNumber) { addresses.Add(new ModbusInput() { Address = item, DataType = datatype, FunctionCode = functionCode, StationNumber = stationNumber, }); } result = client.BatchRead(addresses); if (result.IsSucceed) { AppendEmptyText(); foreach (var item in result.Value) { AppendText($"[读取 {item.Address} 成功]:{item.Value}\t\t耗时:{result.TimeConsuming}ms"); } } else { AppendText($"[读取 {txt_address.Text?.Trim()} 失败]:{result.Err}\t\t耗时:{result.TimeConsuming}ms"); } } //单个读取 else { if (rd_bit.Checked) { result = client.ReadCoil(txt_address.Text, stationNumber); } else if (rd_short.Checked) { result = client.ReadInt16(txt_address.Text, stationNumber); } else if (rd_ushort.Checked) { result = client.ReadUInt16(txt_address.Text, stationNumber); } else if (rd_int.Checked) { result = client.ReadInt32(txt_address.Text, stationNumber); } else if (rd_uint.Checked) { result = client.ReadUInt32(txt_address.Text, stationNumber); } else if (rd_long.Checked) { result = client.ReadInt64(txt_address.Text, stationNumber); } else if (rd_ulong.Checked) { result = client.ReadUInt64(txt_address.Text, stationNumber); } else if (rd_float.Checked) { result = client.ReadFloat(txt_address.Text, stationNumber); } else if (rd_double.Checked) { result = client.ReadDouble(txt_address.Text, stationNumber); } else if (rd_discrete.Checked) { result = client.ReadDiscrete(txt_address.Text, stationNumber); } if (result.IsSucceed) { AppendText($"[读取 {txt_address.Text?.Trim()} 成功]:{result.Value}"); } else { AppendText($"[读取 {txt_address.Text?.Trim()} 失败]:{result.Err}"); } } } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { if (chb_show_package.Checked || (ModifierKeys & Keys.Control) == Keys.Control) { AppendText($"[请求报文]{result?.Requst}"); AppendText($"[响应报文]{result?.Response}\r\n"); } } }