更新
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@@ -297,68 +297,150 @@ namespace WindowsFormsApp6
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/// <summary>
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/// 读取Form1数据(液体吸收时间)
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/// PLC地址:D200 - 时间(s)
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/// PLC地址:D200 - 时间(s),每次测试读取1个试样(2个字节,1个寄存器)
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/// 信号量:M103
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/// 每次测试添加一个试样,试样数量动态增长
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/// </summary>
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private void ReadForm1Data(byte slaveId)
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{
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try
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{
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// 读取D200寄存器(时间数据)
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// 假设有5个试样,每个试样1个时间值
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ushort[] registers = _modbusMaster.ReadHoldingRegisters(slaveId, 200, 5);
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// 每次只读取1个寄存器(1个试样的数据)
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ushort[] registers = _modbusMaster.ReadHoldingRegisters(slaveId, 200, 1);
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// 使用反射获取Form1的私有字段
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var sampleDataTableField = form1Instance.GetType()
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.GetField("sampleDataTable", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
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if (sampleDataTableField != null)
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var currentSampleCountField = form1Instance.GetType()
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.GetField("currentSampleCount", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
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if (sampleDataTableField != null && currentSampleCountField != null)
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{
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DataTable dataTable = sampleDataTableField.GetValue(form1Instance) as DataTable;
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int currentSampleCount = (int)currentSampleCountField.GetValue(form1Instance);
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if (dataTable != null)
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{
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// 清除旧的平均值行
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// 移除旧的平均值行
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var avgRows = dataTable.Select("序号 = '平均时间(s)'");
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foreach (var row in avgRows)
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{
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dataTable.Rows.Remove(row);
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}
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// 创建新数据行
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// 获取所有现有的时间行
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var timeRows = dataTable.AsEnumerable()
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.Where(r => r.Field<string>("序号") == "时间(s)")
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.ToList();
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// 计算当前已有的试样数量
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int existingSampleCount = timeRows.Count;
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int newSampleIndex = existingSampleCount + 1;
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// 如果新试样索引超过当前列数,需要动态添加列
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if (newSampleIndex > currentSampleCount)
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{
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// 动态扩展DataTable列
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if (!dataTable.Columns.Contains($"试样{newSampleIndex}"))
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{
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dataTable.Columns.Add($"试样{newSampleIndex}", typeof(double));
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}
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// 更新currentSampleCount
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currentSampleCountField.SetValue(form1Instance, newSampleIndex);
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currentSampleCount = newSampleIndex;
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// 重新初始化DataGridView以显示新列
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this.Invoke(new Action(() =>
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{
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var initMethod = form1Instance.GetType()
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.GetMethod("InitializeDataGridView", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
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initMethod?.Invoke(form1Instance, null);
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}));
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}
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// 创建新数据行(添加新试样)
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DataRow dataRow = dataTable.NewRow();
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dataRow["序号"] = "时间(s)";
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// 填充时间数据(将寄存器值转换为实际时间,假设寄存器值为整数秒*10)
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for (int i = 0; i < Math.Min(registers.Length, 5); i++)
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// 将新读取的时间值转换并填充到对应的试样列
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double timeValue = registers[0] / 10.0; // 转换为秒
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dataRow[$"试样{newSampleIndex}"] = timeValue;
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// 其他列设置为空
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for (int i = 1; i < newSampleIndex; i++)
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{
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double timeValue = registers[i] / 10.0; // 转换为秒
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dataRow[$"试样{i + 1}"] = timeValue;
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if (dataTable.Columns.Contains($"试样{i}"))
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{
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dataRow[$"试样{i}"] = DBNull.Value;
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}
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}
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// 添加新数据行
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dataTable.Rows.Add(dataRow);
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// 计算并添加平均值行
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double totalAvg = 0;
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int count = 0;
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for (int i = 0; i < Math.Min(registers.Length, 5); i++)
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{
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totalAvg += registers[i] / 10.0;
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count++;
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}
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// 重新获取所有时间行(包括刚添加的)
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timeRows = dataTable.AsEnumerable()
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.Where(r => r.Field<string>("序号") == "时间(s)")
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.ToList();
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// 计算平均值:每5个试样计算一次平均值
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int totalSamples = timeRows.Count;
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int groupCount = (int)Math.Ceiling(totalSamples / 5.0);
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if (count > 0)
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for (int groupIndex = 0; groupIndex < groupCount; groupIndex++)
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{
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DataRow avgRow = dataTable.NewRow();
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avgRow["序号"] = "平均时间(s)";
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avgRow["试样1"] = totalAvg / count;
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for (int i = 2; i <= 5; i++)
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int startSample = groupIndex * 5 + 1;
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int endSample = Math.Min(startSample + 4, totalSamples);
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// 计算该组的平均值
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double groupSum = 0;
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int validCount = 0;
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for (int i = startSample; i <= endSample; i++)
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{
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avgRow[$"试样{i}"] = DBNull.Value;
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var row = timeRows[i - 1]; // 索引从0开始
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// 找到该行中有值的列
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for (int col = 1; col <= currentSampleCount; col++)
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{
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if (dataTable.Columns.Contains($"试样{col}") &&
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row[$"试样{col}"] != DBNull.Value)
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{
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double value = Convert.ToDouble(row[$"试样{col}"]);
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if (value > 0)
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{
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groupSum += value;
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validCount++;
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break; // 每行只取一个有效值
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}
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}
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}
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}
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if (validCount > 0)
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{
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double groupAvg = groupSum / validCount;
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// 创建平均值行
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DataRow avgRow = dataTable.NewRow();
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avgRow["序号"] = "平均时间(s)";
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// 将平均值显示在该组的第一个试样列
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avgRow[$"试样{startSample}"] = groupAvg;
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// 其他列设置为空
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for (int i = 1; i <= currentSampleCount; i++)
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{
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if (i != startSample && dataTable.Columns.Contains($"试样{i}"))
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{
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avgRow[$"试样{i}"] = DBNull.Value;
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}
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}
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dataTable.Rows.Add(avgRow);
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}
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dataTable.Rows.Add(avgRow);
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}
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// 刷新显示
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@@ -373,7 +455,7 @@ namespace WindowsFormsApp6
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}
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}
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System.Diagnostics.Debug.WriteLine($"Form1数据读取成功:{registers.Length}个寄存器");
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System.Diagnostics.Debug.WriteLine($"Form1数据读取成功:试样 #{timeRows.Count + 1}");
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}
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catch (Exception ex)
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{
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