c#/vb.net 填充 pdf xfa 表单-凯发线上登陆下载网址

xfa（也称为xfa表单）是指xml forms architecture，它用于增强web表单的处理。spire.pdf支持填充xfa表单，本篇文章将介绍如何使用spire.pdf填充xfa。

包含域的源文档截图：

完整代码：

//创建对象并加载pdf文件
 pdfdocument doc = new pdfdocument();
 doc.loadfromfile(@"f:\dynamicxfa.pdf");
 pdfformwidget formwidget = doc.form as pdfformwidget;
 //判断域是否为xfa表单 并且 xfa表单不为空
 if (formwidget.isdynamicform && formwidget.xfaform!= null)
 {
     //得到所有的xfa表单
     list xfafields = formwidget.xfaform.xfafields;
     foreach (xfafield xfafield in xfafields)
     {
         //判断当前域是否为xfatextfield
         if (xfafield is xfatextfield)
         {
             xfatextfield xf = xfafield as xfatextfield;
             //根据域名来设定域值
             switch (xf.name)
             {
                 case "form1[0].#subform[0].employeename[0]":
                     xf.value = "e-iceblue";
                     break;
                 case "form1[0].#subform[0].address[0]":
                     xf.value = "chengdu, china";
                     break;
                 case "form1[0].#subform[0].stateprov[0]":
                     xf.value = "sichuan province";
                     break;
                 case "form1[0].#subform[0].zipcode[0]":
                     xf.value = "610093";
                     break;
                 case "form1[0].#subform[0].ssnumber[0]":
                     xf.value = "000-00-0000";
                     break;
                 case "form1[0].#subform[0].homephone[0]":
                     xf.value = "86-028-81705109";
                     break;
                 case "form1[0].#subform[0].cellphone[0]":
                     xf.value = "123456789";
                     break;
                 case "form1[0].#subform[0].comments[0]":
                     xf.value = "this demo shows how to fill xfa forms using spire.pdf";
                     break;
                 default:
                     break;
             }
         }
     }
 }
 //保存结果文档
 doc.savetofile("fillxfafield.pdf", fileformat.pdf);

'创建对象并加载pdf文件
dim doc as new pdfdocument()
doc.loadfromfile("f:\dynamicxfa.pdf")
dim formwidget as pdfformwidget = trycast(doc.form, pdfformwidget)
'判断域是否为xfa表单 并且 xfa表单不为空
if formwidget.isdynamicform andalso formwidget.xfaform isnot nothing then
	'得到所有的xfa表单
	dim xfafields as list = formwidget.xfaform.xfafields
	for each xfafield as xfafield in xfafields
		'判断当前域是否为xfatextfield
		if typeof xfafield is xfatextfield then
			dim xf as xfatextfield = trycast(xfafield, xfatextfield)
			'根据域名来设定域值
			select case xf.name
				case "form1[0].#subform[0].employeename[0]"
					xf.value = "e-iceblue"
					exit select
				case "form1[0].#subform[0].address[0]"
					xf.value = "chengdu, china"
					exit select
				case "form1[0].#subform[0].stateprov[0]"
					xf.value = "sichuan province"
					exit select
				case "form1[0].#subform[0].zipcode[0]"
					xf.value = "610093"
					exit select
				case "form1[0].#subform[0].ssnumber[0]"
					xf.value = "000-00-0000"
					exit select
				case "form1[0].#subform[0].homephone[0]"
					xf.value = "86-028-81705109"
					exit select
				case "form1[0].#subform[0].cellphone[0]"
					xf.value = "123456789"
					exit select
				case "form1[0].#subform[0].comments[0]"
					xf.value = "this demo shows how to fill xfa forms using spire.pdf"
					exit select
				case else
					exit select
			end select
		end if
	next
end if
'保存结果文档
doc.savetofile("fillxfafield.pdf", fileformat.pdf)

结果文档截图：