详解如何使用Python在PDF文档中创建动作

from spire.pdf import *

# 创建PdfDocument类的一个实例并加载一个PDF文档
pdf = PdfDocument()
pdf.LoadFromFile("示例.pdf")

# 获取第二页
page = pdf.Pages.get_Item(1)

# 创建一个PdfDestination实例并设置其属性
destination = PdfDestination(pdf.Pages.get_Item(0))
destination.Location = PointF(0.0, 0.0)
destination.Mode = PdfDestinationMode.Location
destination.Zoom = 0.8

# 创建一个PdfGoToAction实例
action = PdfGoToAction(destination)

# 创建一个PdfActionAnnotation实例
rect = RectangleF.FromLTRB(70, pdf.PageSettings.Size.Height - 120, 140, pdf.PageSettings.Size.Height - 100)
annotation = PdfActionAnnotation(rect, action)
annotation.Color = PdfRGBColor(Color.get_Red())

# 将注释添加到第二页
page.Annotations.Add(annotation)

# 绘制按钮的文字
font = PdfTrueTypeFont("HarmonyOS Sans SC", 14.0, PdfFontStyle.Regular, True)
stringFormat = PdfStringFormat(PdfTextAlignment.Center)
page.Canvas.DrawString("转到第一页", font, PdfBrushes.get_Red(), rect, stringFormat)

# 保存文档
pdf.SaveToFile("output/PDF添加导航动作.pdf")
pdf.Close()

from spire.pdf import *

# 创建PdfDocument实例并加载PDF文件
pdf = PdfDocument()
pdf.LoadFromFile("示例2.pdf")

# 获取文档的第一页
page = pdf.Pages.get_Item(0)

# 使用声音文件路径创建PdfSoundAction实例
soundAction = PdfSoundAction("Wave.wav")

# 设置音频参数
soundAction.Sound.Bits = 16
soundAction.Sound.Channels = PdfSoundChannels.Stereo
soundAction.Sound.Encoding = PdfSoundEncoding.Signed
soundAction.Sound.Rate = 44100

# 设置播放参数
soundAction.Volume = 0.5
soundAction.Repeat = True
soundAction.Mix = True
soundAction.Synchronous = False

# 在页面上绘制一张图片
image = PdfImage.FromFile("Sound.png")
page.Canvas.DrawImage(image, PointF(30.0, 30.0))

# 使用声音动作创建PdfActionAnnotation实例
rect = RectangleF.FromLTRB(30.0, 30.0, image.GetBounds().Width + 30.0, image.GetBounds().Height + 30.0)
annotation = PdfActionAnnotation(rect, soundAction)

# 将注释添加到页面
page.Annotations.Add(annotation)

# 设置声音动作为文档打开后播放
# pdf.AfterOpenAction = soundAction

# 保存文档
pdf.SaveToFile("output/PDF创建声音动作.pdf")
pdf.Close()

from spire.pdf import *

# 创建一个PdfDocument实例
pdf = PdfDocument()

# 加载一个PDF文件
pdf.LoadFromFile("示例3.pdf")

# 获取第一页
page = pdf.Pages.get_Item(0)

# 指定JavaScript代码
js = """
var lastName = this.getField("LastName").value;
var firstName = this.getField("FirstName").value;
this.getField("FullName").value = lastName + " " + firstName;
"""

# 创建一个JavaScript动作
jsAction = PdfJavaScriptAction(js)

# 创建一个带有JavaScript动作的注释
rect = RectangleF.FromLTRB(380, 160, 460, 180)
annotation = PdfActionAnnotation(rect, jsAction)
annotation.Color = PdfRGBColor(Color.get_Red())

# 将注释添加到页面上
page.Annotations.Add(annotation)

# 绘制动作提示文本
font = PdfTrueTypeFont("宋体", 12.0, PdfFontStyle.Regular, True)
stringFormat = PdfStringFormat(PdfTextAlignment.Center)
text = "点击生成全名"
page.Canvas.DrawString(text, font, PdfBrushes.get_Red(), rect, stringFormat)

# 保存文档
pdf.SaveToFile("output/PDF创建JavaScript动作.pdf")
pdf.Close()