public static MemoryStream ListToExcel(object list, Dictionary<string, string> titles, bool IsExportAllCol)
{
using (var package = new ExcelPackage())
{
var sheet = package.Workbook.Worksheets.Add("sheet1");
var fields = titles.Keys.ToList();
const int startIndex = 1;
var currentRow = startIndex;
var currentCell = 0;
EachHelper.EachListHeader(list, (i, name, type) =>
{
if (!fields.Contains(name))
{
if (IsExportAllCol)
fields.Add(name);
else
return;
}
currentCell = fields.IndexOf(name) + startIndex;
sheet.Cells[currentRow, currentCell].Value = titles[name] ?? name;
sheet.Column(currentCell).AutoFit();
});
EachHelper.EachListRow(list, (rowIndex, rowData) =>
{
currentRow = rowIndex + startIndex + 1;
EachHelper.EachObjectProperty(rowData, (i, name, value) =>
{
if (!fields.Contains(name))
{
if (IsExportAllCol)
fields.Add(name);
else
return;
}
currentCell = fields.IndexOf(name) + startIndex;
if (ZGeneric.IsTypeIgoreNullable<DateTime>(value))
sheet.Column(currentCell).Style.Numberformat.Format = "yyyy-MM-dd hh:mm:ss";
sheet.Cells[currentRow, currentCell].Value = value ?? string.Empty;
});
});
currentCell = startIndex + fields.Count - 1;
using (var head = sheet.Cells[startIndex, startIndex, startIndex, currentCell]) // set head style
{
head.Style.Font.Bold = true;
head.Style.Font.Size = 12;
head.Style.Font.Name = "Arial";
head.Style.Border.Top.Style = ExcelBorderStyle.Thin;
head.Style.Border.Top.Color.SetColor(Color.Gray);
head.Style.Border.Right.Style = ExcelBorderStyle.Thin;
head.Style.Border.Right.Color.SetColor(Color.Gray);
head.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
head.Style.Border.Bottom.Color.SetColor(Color.Gray);
head.Style.Border.Left.Style = ExcelBorderStyle.Thin;
head.Style.Border.Left.Color.SetColor(Color.Gray);
head.Style.VerticalAlignment = ExcelVerticalAlignment.Center;
head.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
head.Style.Fill.PatternType = ExcelFillStyle.Solid;
head.Style.Fill.BackgroundColor.SetColor(Color.LightBlue);
}
using (var data = sheet.Cells[startIndex + 1, startIndex, currentRow, currentCell])// set data style
{
data.Style.Font.Name = "Arial";
data.Style.Font.Size = 11;
data.Style.Border.Top.Style = ExcelBorderStyle.Thin;
data.Style.Border.Top.Color.SetColor(Color.Gray);
data.Style.Border.Right.Style = ExcelBorderStyle.Thin;
data.Style.Border.Right.Color.SetColor(Color.Gray);
data.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
data.Style.Border.Bottom.Color.SetColor(Color.Gray);
data.Style.Border.Left.Style = ExcelBorderStyle.Thin;
data.Style.Border.Left.Color.SetColor(Color.Gray);
}
var ms = new MemoryStream();
package.SaveAs(ms);
return ms;
}
}
public static MemoryStream CreateByExcelLibrary(DataTable table)
{
using (var package = new ExcelPackage())
{
var sheet = package.Workbook.Worksheets.Add("sheet111");
var colCount = table.Columns.Count;
for (var i = 0; i < colCount; i++)
{
sheet.Cells[1, i + 1].Value = table.Columns[i].Caption;
}
var k = 2;
foreach (DataRow row in table.Rows)
{
for (var i = 0; i < colCount; i++)
{
sheet.Cells[k, i + 1].Value = row[i];
}
k++;
}
var ms = new MemoryStream();
package.SaveAs(ms);
return ms;
}
}
