SVN r808
SVN-Revision: r808
This commit is contained in:
tdx
@@ -7021,7 +7021,7 @@ namespace Lskj.Control
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GridColumnModel GroupPrimary = ColumnList.FirstOrDefault(o => o.IsCustomGroupPrimary);
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GridColumnModel GroupFieldprimary = ColumnList.FirstOrDefault(o => o.IsCustomGroupField == 1);
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List<GridColumnModel> GroupField = ColumnList.Where(o => o.IsCustomGroupField == 2).ToList();
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List<GridColumnModel> sumField = ColumnList.Where(o => o.IsCustomGroupField == 3).ToList();
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if (GroupPrimary == null || GroupFieldprimary == null || !GroupField.Any())
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return; // 数据不足直接退出
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@@ -7072,7 +7072,7 @@ namespace Lskj.Control
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var dynamicHeaders = originalDataSource.AsEnumerable()
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.Select(r => r.Field<string>(GroupFieldprimary.FieldName))
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.Distinct().Where(x => !string.IsNullOrEmpty(x)).ToList();
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// 为每个动态表头生成GridBand，并添加子列
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foreach (string headerName in dynamicHeaders)
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{
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@@ -7111,7 +7111,7 @@ namespace Lskj.Control
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}
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bandedGridControlEx.BandedView.EndUpdate();
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// 构建最终动态数据源
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DataTable dynamicDataTable = BuildDynamicDataSource(originalDataSource, GroupPrimary, GroupFieldprimary, GroupField, normalColumns, dynamicHeaders);
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DataTable dynamicDataTable = BuildDynamicDataSource(originalDataSource, GroupPrimary, GroupFieldprimary, GroupField, normalColumns, sumField, dynamicHeaders);
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bandedGridControlEx.gridControl.DataSource = dynamicDataTable;
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}
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@@ -7125,98 +7125,75 @@ namespace Lskj.Control
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/// <param name="normalColumns"></param>
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/// <param name="dynamicHeaders"></param>
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/// <returns></returns>
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private DataTable BuildDynamicDataSource(DataTable originalDataSource,
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GridColumnModel GroupPrimary,
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GridColumnModel GroupFieldprimary,
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List<GridColumnModel> GroupField,
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List<GridColumnModel> normalColumns,
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List<string> dynamicHeaders)
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/// <summary>
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/// 把行转列、动态列拼接，并对指定列做求和
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/// </summary>
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private DataTable BuildDynamicDataSource(
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DataTable original, // 原始数据
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GridColumnModel keyCol, // 分组主键
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GridColumnModel headerCol, // 动态列的“Header”列
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List<GridColumnModel> subCols, // Header 后要展开的子列
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List<GridColumnModel> normalCols, // 普通列（取首行值）
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List<GridColumnModel> sumColumns, // 需要求和的列
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List<string> headers) // Header 值集合
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{
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try
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var dt = new DataTable();
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/* ============ 1. 建列 ============ */
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dt.Columns.Add(keyCol.FieldName, original.Columns[keyCol.FieldName].DataType);
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// 普通列
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var exist = new HashSet<string>(original.Columns.Cast<DataColumn>()
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.Select(c => c.ColumnName));
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foreach (var col in normalCols.Where(c => exist.Contains(c.FieldName)
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&& c.FieldName != keyCol.FieldName))
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dt.Columns.Add(col.FieldName, original.Columns[col.FieldName].DataType);
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// 求和列
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foreach (var col in sumColumns.Where(c => exist.Contains(c.FieldName)))
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if (!dt.Columns.Contains(col.FieldName))
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dt.Columns.Add(col.FieldName, original.Columns[col.FieldName].DataType);
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// 动态列：统一 string
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foreach (string h in headers)
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foreach (var s in subCols)
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dt.Columns.Add($"{h}_{s.FieldName}", typeof(string));
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/* ============ 2. 分组聚合 ============ */
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foreach (var grp in original.AsEnumerable().GroupBy(r => r[keyCol.FieldName]))
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{
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DataTable dtResult = new DataTable();
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var newRow = dt.NewRow();
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var first = grp.First();
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// 添加主键列
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if (!dtResult.Columns.Contains(GroupPrimary.FieldName))
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newRow[keyCol.FieldName] = first[keyCol.FieldName];
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// 普通列：取首行
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foreach (var col in normalCols.Where(c => exist.Contains(c.FieldName)))
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newRow[col.FieldName] = first[col.FieldName];
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// 求和列
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foreach (var col in sumColumns.Where(c => exist.Contains(c.FieldName)))
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{
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Type dataType = originalDataSource.Columns[GroupPrimary.FieldName].DataType;
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dtResult.Columns.Add(GroupPrimary.FieldName, dataType);
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var sum = grp
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.Where(r => r[col.FieldName] != DBNull.Value)
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.Sum(r => Convert.ToDecimal(r[col.FieldName]));
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newRow[col.FieldName] = sum;
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}
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// 添加普通列，仅当原数据源存在时才添加
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foreach (var col in normalColumns)
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{
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if (originalDataSource.Columns.Contains(col.FieldName) && col.FieldName != GroupPrimary.FieldName)
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// 动态列
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var lookup = grp.ToLookup(r => r[headerCol.FieldName]?.ToString());
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foreach (string h in headers)
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foreach (var s in subCols)
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{
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Type dataType = originalDataSource.Columns[col.FieldName].DataType;
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dtResult.Columns.Add(col.FieldName, dataType);
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}
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}
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// 添加动态列 (改为string类型避免异常)
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foreach (string header in dynamicHeaders)
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{
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foreach (var subField in GroupField)
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{
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string dynamicFieldName = $"{header}_{subField.FieldName}";
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if (!dtResult.Columns.Contains(dynamicFieldName))
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{
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Type dataType = originalDataSource.Columns[subField.FieldName].DataType;
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dtResult.Columns.Add(dynamicFieldName, dataType); // <-- 此处已修改为string
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}
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}
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}
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// 根据主键聚合数据
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var groupedData = originalDataSource.AsEnumerable()
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.GroupBy(row => row.Field<string>(GroupPrimary.FieldName));
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foreach (var group in groupedData)
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{
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DataRow newRow = dtResult.NewRow();
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// 主键列赋值
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DataRow firstRow = group.First();
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newRow[GroupPrimary.FieldName] = firstRow[GroupPrimary.FieldName];
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// 普通列赋值（需判断原数据源中存在）
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foreach (var col in normalColumns)
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{
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if (originalDataSource.Columns.Contains(col.FieldName))
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newRow[col.FieldName] = firstRow[col.FieldName];
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string dyn = $"{h}_{s.FieldName}";
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var hit = lookup[h].FirstOrDefault();
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newRow[dyn] = hit?[s.FieldName]?.ToString();
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}
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// 动态聚合列赋值
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foreach (var header in dynamicHeaders)
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{
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var matchedRow = group.FirstOrDefault(r => r.Field<string>(GroupFieldprimary.FieldName) == header);
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foreach (var subField in GroupField)
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{
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string dynamicFieldName = $"{header}_{subField.FieldName}";
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object value = DBNull.Value;
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if (matchedRow != null && originalDataSource.Columns.Contains(subField.FieldName))
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{
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value = matchedRow[subField.FieldName];
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}
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newRow[dynamicFieldName] = value;
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}
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}
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dtResult.Rows.Add(newRow);
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}
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return dtResult;
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}
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catch (Exception ex)
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{
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// 最好将异常记录下来
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Console.WriteLine(ex.Message);
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return null;
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dt.Rows.Add(newRow);
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}
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return dt;
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}
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@@ -8739,4 +8716,30 @@ namespace Lskj.Control
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{
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// 只处理列名可解析成日期的列
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if (!DateTime.TryParse(col.FieldName, out _))
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continue;
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// 取 “Sum” 合计
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var sumItem = col.Summary
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.OfType<GridColumnSummaryItem>()
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.FirstOrDefault(s => s.SummaryType == SummaryItemType.Sum);
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bool needRed = false;
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if (sumItem?.SummaryValue != null &&
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decimal.TryParse(sumItem.SummaryValue.ToString(), out var colSum) &&
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jhrowitem.Table.Columns.Contains(col.FieldName) &&
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decimal.TryParse(jhrowitem[col.FieldName].ToString(), out var planVal))
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{
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needRed = (colSum != planVal);
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}
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// 只改表头文字颜色
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col.AppearanceHeader.ForeColor = needRed ? Color.Red : Color.Black;
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col.AppearanceHeader.Options.UseForeColor = true;
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}
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// 立刻刷新表头
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gridView.Invalidate();
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}
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}
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}
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