public async Task <IActionResult> saveDataToTemplate([FromBody] AllReqData req)
{
MemoryStream pdfMemoryStream = saveService.saveDataToTemplate(req);
Response.Headers.Add("Content-Disposition", "attachment; filename=" + req.fileCode);
return(new FileStreamResult(pdfMemoryStream, "application/octet-stream"));//文件流方式，指定文件流对应的ContenType。
}
public MemoryStream saveDataToTemplate(AllReqData allReq)
{
MemoryStream resultStream = new MemoryStream();
try
{
MemoryStream memoryStream = new MemoryStream();
PDFEntityConfig pDFEntity = CommonConstantsUtil.PDFCONFIG[allReq.fileCode];
string path = pDFEntity.filePath;
PdfReader reader = new PdfReader(path, null);
PdfReader.unethicalreading = true;
PdfStamper stamper = new PdfStamper(reader, memoryStream, '\0', false);
stamper.Writer.CloseStream = false;
AcroFields pdfFormFields = stamper.AcroFields;
foreach (CardData cardItem in allReq.getAllCards())
{
if (cardItem.radioVList != null && cardItem.radioVList != "")
{
string[] strArray = cardItem.radioVList.Split("--");
pdfFormFields.SetField(strArray[0], strArray[1]);
}
foreach (RowData rowItem in cardItem.rowList)
{
if (rowItem.rowType == 2)
{
foreach (RowItemData childItem in rowItem.rowItemList)
{
string fieldName = pDFEntity.directory[childItem.rowItemValue];
pdfFormFields.SetField(fieldName, childItem.rowItemTextValue);
}
continue;
}
if (rowItem.rowType != 3)
{
string fieldName = pDFEntity.directory[rowItem.rowValue];
pdfFormFields.SetField(fieldName, rowItem.inputValue);
}
}
}
// stamper.SetEncryption(
// null,
// null,
// PdfWriter.ALLOW_PRINTING,
// PdfWriter.ENCRYPTION_AES_128);
// foreach (var item in pdfFormFields.Fields)
// {
// string value = i.ToString();
// Console.WriteLine("{0}", item.Key);
// pdfFormFields.SetField(item.Key, value);
// pDFEntity.directory.Add(value, item.Key);
// i++;
// }
stamper.FormFlattening = true;
stamper.Writer.CloseStream = false;
stamper.Close();
memoryStream.Position = 0;
reader.Close();
//You have to rewind the MemoryStream before copying
// memoryStream.Seek(0, SeekOrigin.Begin);
memoryStream.CopyTo(resultStream);
memoryStream.Close();
resultStream.Position = 0;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(resultStream);
}
