internal byte[] ObjectToExcelBytes(ExcelModel excel, ExcelExporterOptions options)
{
ExcelType excelType = options.ExcelType;
var workbook = Workbook(excelType);
CheckExcelModel(excel);
foreach (var excelSheet in excel.Sheets)
{
var sheet = string.IsNullOrWhiteSpace(excelSheet.Title)
? workbook.CreateSheet()
: workbook.CreateSheet(excelSheet.Title);
sheet.ForceFormulaRecalculation = true;
var columns = excelSheet.Columns.OrderBy(c => c.Order).ToArray();
for (var i = 0; i < columns.Length; i++)
{
sheet.SetColumnWidth(i, 16 * 256);
// todo 此处可统计字节数Min(50,Max(16,标题与内容最大长))
}
var headerRow = sheet.CreateRow(0);
for (var i = 0; i < columns.Length; i++)
{
var cell = headerRow.CreateCell(i);
cell.SetCellType(CellType.String);
cell.SetCellValue(columns[i].Title);
}
var columnTitles = columns.Select(c => c.Title).ToArray();
var rowNumber = 1;
var data = excelSheet.Rows;
foreach (var item in data)
{
var row = sheet.CreateRow(rowNumber++);
for (var i = 0; i < columns.Length; i++)
{
var column = columns[i];
var cell = row.CreateCell(i);
var val = item.ContainsKey(column.Title)?(item?[column.Title] ?? "").ToString() : "";
SetCellValue(excelType, column, cell, val, columnTitles);
}
}
}
return(ToBytes(workbook));
}
private void CheckExcelModel(ExcelModel excel)
{
//todo validate
}
