/// <summary>
/// 导出pdf
/// </summary>
/// <param name="IsHorizontal">是否为横向布局</param>
/// <param name="TableTitle">查询列表,表头数据</param>
/// <returns></returns>
public byte[] GeneratePDF(bool IsHorizontal = false, PdfHelper.PdfTableTitle TableTitle = null)
{
//设置pdf宽度
Rectangle pagesize = null;
if (IsHorizontal)
{
pagesize = new Rectangle(PageSize.A4.Height, PageSize.A4.Width);
}
else
{
pagesize = new Rectangle(PageSize.A4.Width, PageSize.A4.Height);
}
Document pdf = new Document(pagesize);
MemoryStream ms = new MemoryStream();
PdfWriter writer = PdfWriter.GetInstance(pdf, ms);
BaseFont bfSun = BaseFont.CreateFont(@"c:\windows\fonts\SIMSUN.TTC,0", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
iTextSharp.text.Font headerFont = new iTextSharp.text.Font(bfSun, 9);
iTextSharp.text.Font normalFont = new iTextSharp.text.Font(bfSun, 8);
pdf.Open();
//如果查询字符串不为空，则加表头
if (TableTitle != null)
{
//设置内容的左右上下margin
pdf.SetMargins(10, 10, 105, 30);
var pEvent = new PdfHelper.PDFEvent(bfSun, pagesize)
{
TableTitle = TableTitle
};
writer.PageEvent = pEvent;
//pEvent.CreateHeaderTemplate(write);
}
else
{
pdf.SetMargins(10, 10, 20, 20);
}
pdf.NewPage();
#region 导出数据表格
PdfPTable table = new PdfPTable(ListColumns.Sum(x => x.MaxChildrenCount));
table.KeepTogether = true;
table.TotalWidth = pagesize.Width;
table.WidthPercentage = 100;
table.DefaultCell.Border = 0;
table.DefaultCell.Padding = 1;
MakePdfHeader(ListColumns, table, headerFont);
Dictionary <IGridColumn <TModel>, int> sameCount = new Dictionary <IGridColumn <TModel>, int>();
foreach (var baseCol in ListColumns)
{
foreach (var col in baseCol.BottomChildren)
{
sameCount.Add(col, 0);
}
}
//int i = 0;
//foreach (var row in EntityList)
for (int i = 0; i < EntityList.Count; i++)
{
var row = EntityList[i];
foreach (var baseCol in ListColumns)
{
foreach (var col in baseCol.BottomChildren)
{
System.Drawing.Color backColor = col.GetBackGroundColor(row);
System.Drawing.Color foreColor = col.GetForeGroundColor(row);
if (foreColor != System.Drawing.Color.Empty)
{
normalFont.Color = new BaseColor(foreColor);
}
PdfPCell cell = new PdfPCell(new Phrase(col.GetText(row).ToHtmlString(), normalFont))
{
Border = 0, Padding = 1
};
if (backColor != System.Drawing.Color.Empty)
{
cell.BackgroundColor = new BaseColor(backColor);
}
if (col.NeedGroup == true && sameCount[col] == i)
{
sameCount[col] = sameCount[col] + 1;
string lastValue = col.GetText(row).ToHtmlString();
for (int j = i + 1; j < EntityList.Count; j++)
{
if (col.GetText(EntityList[j]).ToHtmlString() == lastValue)
{
sameCount[col] = sameCount[col] + 1;
}
else
{
break;
}
}
cell.Rowspan = sameCount[col] - i;
table.AddCell(cell);
}
if (col.NeedGroup == false)
{
table.AddCell(cell);
}
}
}
//如果有表头，需要每一页又要有表头
if (TableTitle != null && TableTitle.Count > 0 && (i + 1) % TableTitle.Count == 0)
{
pdf.Add(table);
pdf.NewPage();
table.Rows.Clear();
MakePdfHeader(ListColumns, table, headerFont);
}
//i++;
}
if (table.Rows.Count > 0)
{
pdf.Add(table);
}
#endregion
pdf.Close();
byte[] rv = ms.ToArray();
ms.Close();
return(rv);
}
