protected override void Writing(object sender, WriteEventArgs args)
{
ISheet exSheet = args.ExSheet;
Table table = args.Entity as Table;
if (table == null)
{
return;
}
Source source = this.Source;
if (source == null)
{
return;
}
DataTable dt = source.Table;
if (dt == null)
{
return;
}
////根据XML指定区域与数据源，计算实际可填充区域(table根据字段数与字段位置或指定区域自动获得区域）
int rowCount = this.RowCount; //table.Location.RowCount == 0 ? dt.Rows.Count : table.Location.RowCount;
int colCount = this.ColCount; //列数必须由XML决定（指定区域或根据字段[位置或数量]计算）
int rowIndexBase = this.RowIndex; //table.Location.RowIndex + increasedRowCount;//XML是根据模板设置，要加上填充区域的基数
int colIndexBase = this.ColIndex;
IRow styleRow = exSheet.GetRow(rowIndexBase) ?? exSheet.CreateRow(rowIndexBase);
//if (styleRow == null) return;
//1、暂时移除区域中的合并单元格
Dictionary <int, int> dict = ClearMergeRegion(styleRow, colIndexBase, colIndexBase + colCount - 1);
if (table.CopyFill && rowCount > 1)
{
NPOIExcelUtil.CopyRow(exSheet, rowIndexBase, rowIndexBase + 1, rowCount - 1);
}
IList <OutputNode> nodes = this.GetNodes();
//2、根据合并单元格调整结点区域
for (int i = 0; i < nodes.Count; i++)
{
//在行区域范围内，有合并单元格且导出规则未指定合并时，需要以合并单元格为准
if (rowIndexBase <= nodes[i].RowIndex && nodes[i].RowIndex < rowIndexBase + rowCount &&
dict.ContainsKey(nodes[i].ColumnIndex) && nodes[i].ColumnSpan == 1)
{
nodes[i].ColumnSpan = dict[nodes[i].ColumnIndex];
}
}
//3、将数据写入Sheet
NodeWriter.WriteNodes(exSheet, nodes);
}
protected override void Writing(object sender, WriteEventArgs args)
{
ISheet exSheet = args.ExSheet;
RegionTable headerTable = args.Entity as RegionTable;
if (headerTable == null)
{
return;
}
int colIndex = this.ColIndex, rowIndex = this.RowIndex, colCount = this.ColCount, rowCount = this.RowCount;
int colHeaderLevel = headerTable.ColumnHeaderLevel;
int rowHeaderLevel = headerTable.RowHeaderLevel;
//1、Excel格式准备
ICell exCell = GetStandardCell(exSheet, RowIndex, colIndex, true);
NPOIExcelUtil.CopyCell(exSheet, exCell, exCell.ColumnIndex + 1, colCount - 1);
NPOIExcelUtil.CopyRow(exSheet, exCell.RowIndex, exCell.RowIndex + 1, rowHeaderLevel - 1);
exCell = GetStandardCell(exSheet, rowIndex + rowHeaderLevel, colIndex);
NPOIExcelUtil.CopyCell(exSheet, exCell, exCell.ColumnIndex + 1, colCount - 1);
NPOIExcelUtil.CopyRow(exSheet, exCell.RowIndex, exCell.RowIndex + 1, rowCount - rowHeaderLevel - 1);
//2、数据填充
IList <OutputNode> nodes = this.GetNodes();
foreach (var node in nodes)
{
IRow exRow = exSheet.GetRow(node.RowIndex) ?? exSheet.CreateRow(node.RowIndex);
//if (exRow == null) continue;
exCell = exRow.GetCell(node.ColumnIndex) ?? exRow.CreateCell(node.ColumnIndex);
//if (exCell == null) continue;
if (node.IsRegion)
{
exSheet.AddMergedRegion(new CellRangeAddress(node.RowIndex, node.RowIndex + node.RowSpan - 1, node.ColumnIndex, node.ColumnIndex + node.ColumnSpan - 1));
}
NPOIExcelUtil.SetCellValueByDataType(exCell, node.Content);
}
//3、自适应宽度
for (int i = 0; i < this.ColCount; i++)
{
int endRow = this.RowIndex + (i < colHeaderLevel || rowHeaderLevel == 0 ? this.RowCount : rowHeaderLevel) - 1;
NPOIExcelUtil.AutoFitColumnWidth(exSheet, colIndex + i, rowIndex, endRow);
}
//4、锁定标题区域(只有列标题、只有行标题、多行多列标题三种情况锁定不一样）
if (headerTable.Freeze)
{
NPOIExcelUtil.Freeze(exSheet, rowHeaderLevel > 0 ? rowIndex + rowHeaderLevel : 0, colHeaderLevel > 0 ? colIndex + colHeaderLevel : 0);
}
NPOIExcelUtil.SetAreaBorder(exSheet, rowIndex, colIndex, rowCount, colCount);
}
public override void PreWrite(WriteEventArgs args)
{
base.PreWrite(args);
ISheet exSheet = args.ExSheet;
DynamicArea dynamicArea = args.Entity as DynamicArea;
if (dynamicArea == null)
{
return;
}
int baseRow = this.RowIndex;
for (int i = 1; i < this.Count; i++)
{
for (int j = 0; j < dynamicArea.Location.RowCount; j++)
{
NPOIExcelUtil.CopyRow(exSheet, baseRow + j, baseRow + j + dynamicArea.Location.RowCount * i);
}
}
}
