用itextsharp的问题

mayanly 2010-04-25 10:23:22

用itextsharp画了一个表格用作打印，现在想实现在pdf中添加一个checkbox不知如何添加，请高手指点。

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mayanly 2010-04-26

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这段代码我已经试过了不知道怎么就生成的是这样的checkbox（□ 里面是x而不是√)，这不是标准的checkbox吧？

x276912757 2010-04-26

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帮顶！！！！！！证明存在

弘毅致远 2010-04-25

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PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(@"e:\java\form_checkbox.Pdf", FileMode.Create));
document.Open();
PdfContentByte cb = writer.DirectContent;
cb.MoveTo(0, 0);
PdfFormField field = PdfFormField.CreateCheckBox(writer);
PdfAppearance tpOff = cb.CreateAppearance(20, 20);
PdfAppearance tpOn = cb.CreateAppearance(20, 20);
tpOff.Rectangle(1, 1, 18, 18);
tpOff.Stroke();
tpOn.SetRGBColorFill(255, 128, 128);
tpOn.Rectangle(1, 1, 18, 18);
tpOn.FillStroke();
tpOn.MoveTo(1, 1);
tpOn.LineTo(19, 19);
tpOn.MoveTo(1, 19);
tpOn.LineTo(19, 1);
tpOn.Stroke();
field.SetWidget(new Rectangle(100, 700, 120, 720), PdfAnnotation.HIGHLIGHT_INVERT);
field.FieldName=("Urgent");
field.ValueAsName=("Off");
field.AppearanceState=("Off");
field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, "Off", tpOff);
field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, "On", tpOn);
writer.AddAnnotation(field);
document.Close();
System.Console.Out.WriteLine("FIM.");

皇城龙三 2010-04-25

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using System;

using iTextSharp.text;

using iTextSharp.text.pdf;

using System.IO;

public class form_checkbox

{

[STAThread]

public static void  Main(string[] args)

{

Document document = new Document(PageSize.A4, 50, 50, 50, 50);

try

{

// creation of the different writers

            PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(@"e:\java\form_checkbox.Pdf", FileMode.Create));

document.Open();

PdfContentByte cb = writer.DirectContent;

cb.MoveTo(0, 0);

PdfFormField field = PdfFormField.CreateCheckBox(writer);

PdfAppearance tpOff = cb.CreateAppearance(20, 20);

PdfAppearance tpOn = cb.CreateAppearance(20, 20);

tpOff.Rectangle(1, 1, 18, 18);

tpOff.Stroke();

tpOn.SetRGBColorFill(255, 128, 128);

tpOn.Rectangle(1, 1, 18, 18);

tpOn.FillStroke();

tpOn.MoveTo(1, 1);

tpOn.LineTo(19, 19);

tpOn.MoveTo(1, 19);

tpOn.LineTo(19, 1);

tpOn.Stroke();

field.SetWidget(new Rectangle(100, 700, 120, 720), PdfAnnotation.HIGHLIGHT_INVERT);

field.FieldName=("Urgent");

field.ValueAsName=("Off");

field.AppearanceState=("Off");

field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, "Off", tpOff);

field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, "On", tpOn);

writer.AddAnnotation(field);

document.Close();

System.Console.Out.WriteLine("FIM.");

}

catch (System.Exception de)

{

System.Console.Error.WriteLine(de.Message);

}

}

}