PM> Install-Package Spire.XLS

using Spire.Pdf;

namespace PDFProperties
{
    class Properties
    {
        static void Main(string[] args)
        {
            //创建一个PdfDocument实例
            PdfDocument pdf = new PdfDocument();

            //加载PDF文件
            pdf.LoadFromFile("示例文档.pdf");

            //设置标题
            pdf.DocumentInformation.Title = "PDF (可移植文档格式)";

            //设置作者
            pdf.DocumentInformation.Author = "冰蓝科技";

            //设置主题
            pdf.DocumentInformation.Subject = "设置PDF属性";

            //设置关键字
            pdf.DocumentInformation.Keywords = ".NET PDF, 属性, 文档";

            //设置生成器名称
            pdf.DocumentInformation.Producer = "Spire.PDF";

            //保存结果文档
            pdf.SaveToFile("Pdf属性.pdf");
            pdf.Dispose();
        }
    }
}

Imports Spire.Pdf

Namespace PDFProperties
    Friend Class Properties
        Private Shared Sub Main(ByVal args As String())
            '创建一个PdfDocument实例
            Dim pdf As PdfDocument = New PdfDocument()

            '加载PDF文件
            pdf.LoadFromFile("示例文档.pdf")

            '设置标题
            pdf.DocumentInformation.Title = "PDF (可移植文档格式)"

            '设置作者
            pdf.DocumentInformation.Author = "冰蓝科技"

            '设置主题
            pdf.DocumentInformation.Subject = "设置PDF属性"

            '设置关键字
            pdf.DocumentInformation.Keywords = ".NET PDF, 属性, 文档"

            '设置生成器名称
            pdf.DocumentInformation.Producer = "Spire.PDF"

            '保存结果文档
            pdf.SaveToFile("Pdf属性.pdf")
            pdf.Dispose()
        End Sub
    End Class
End Namespace

using Spire.Pdf;
using System.IO;
using System.Text;

namespace GetPdfProperties

{
    class Program
    {
        static void Main(string[] args)
        {
            //创建一个PdfDocument实例
            PdfDocument pdf = new PdfDocument();

            //加载PDF文件
            pdf.LoadFromFile("https://cdn.e-iceblue.cn/Pdf属性.pdf");

            //创建StringBuilder实例
            StringBuilder content = new StringBuilder();

            //获取PDF文档属性并将其附加到StringBuilder中
            content.Append("标题: " + pdf.DocumentInformation.Title + "\r\n");
            content.Append("作者: " + pdf.DocumentInformation.Author + "\r\n");
            content.Append("主题: " + pdf.DocumentInformation.Subject + "\r\n");
            content.Append("关键字: " + pdf.DocumentInformation.Keywords + "\r\n");
            content.Append("PDF生成器: " + pdf.DocumentInformation.Producer + "\r\n");

            //将StringBuilder写入TXT文件
            File.WriteAllText("获取PDF属性.txt", content.ToString());
        }
    }
}

Imports Spire.Pdf
Imports System.IO
Imports System.Text

Namespace GetPdfProperties
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '创建一个PdfDocument实例
            Dim pdf As PdfDocument = New PdfDocument()

            '加载PDF文件
            pdf.LoadFromFile("https://cdn.e-iceblue.cn/Pdf属性.pdf")

            '创建StringBuilder实例
            Dim content As StringBuilder = New StringBuilder()

            '获取PDF文档属性并将其附加到StringBuilder中
            content.Append("标题: " & pdf.DocumentInformation.Title.ToString().ToString() & vbCrLf)
            content.Append("作者: " & pdf.DocumentInformation.Author.ToString().ToString() & vbCrLf)
            content.Append("主题: " & pdf.DocumentInformation.Subject.ToString().ToString() & vbCrLf)
            content.Append("关键字: " & pdf.DocumentInformation.Keywords.ToString().ToString() & vbCrLf)
            content.Append("PDF生成器: " & pdf.DocumentInformation.Producer.ToString().ToString() & vbCrLf)

            '将StringBuilder写入TXT文件
            Call File.WriteAllText("获取PDF属性.txt", content.ToString())
        End Sub
    End Class
End Namespace

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.cn/repository/maven-public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.doc</artifactId>
        <version>13.12.2</version>
    </dependency>
</dependencies>

import com.spire.doc.Document;
import com.spire.doc.HeaderFooter;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.documents.ShapeLineStyle;
import com.spire.doc.documents.ShapeType;
import com.spire.doc.fields.ShapeObject;

import java.awt.*;

public class insertRepeatingTextWatermark {
    public static void main(String[] args) {

        //创建Document的对象
        Document doc = new Document();

        //载入Word文档
        doc.loadFromFile("示例.docx");

        //创建ShapeObject的对象并设置艺术字的文本
        ShapeObject shape = new ShapeObject(doc, ShapeType.Text_Plain_Text);
        shape.getWordArt().setText("草稿");

        //设置文本水印的旋转角度以及垂直和水平重复次数
        double rotation = 315;
        int ver = 5;
        int hor = 3;

        //设置艺术字的格式
        shape.setWidth(60);
        shape.setHeight(20);
        shape.setVerticalPosition(30);
        shape.setHorizontalPosition(20);
        shape.setRotation(rotation);
        shape.getWordArt().setFontFamily("HarmonyOS Sans SC");
        shape.setFillColor(Color.BLUE);
        shape.setLineStyle(ShapeLineStyle.Single);
        shape.setStrokeColor(Color.CYAN);
        shape.setStrokeWeight(1);

        //循环遍历文档中的节
        for (Section section : (Iterable<Section>) doc.getSections()) {
            //获取节的页眉
            HeaderFooter header = section.getHeadersFooters().getHeader();
            //添加一个段落到页眉中
            Paragraph paragraph = header.addParagraph();
            for (int i = 0; i < ver; i++) {
                for (int j = 0; j < hor; j++) {
                    //将艺术字添加到页眉中
                    shape = (ShapeObject) shape.deepClone();
                    shape.setVerticalPosition((float) (section.getPageSetup().getPageSize().getHeight()/ver * i  + Math.sin(rotation) * shape.getWidth()/2));
                    shape.setHorizontalPosition((float) ((section.getPageSetup().getPageSize().getWidth()/hor - shape.getWidth()/2) * j));
                    paragraph.getChildObjects().add(shape);
                }
            }
        }

        //保存文档
        doc.saveToFile("重复文本水印.docx");
        doc.dispose();
    }
}

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.HeaderFooter;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.documents.TextWrappingStyle;
import com.spire.doc.fields.DocPicture;

public class insertRepeatingPictureWatermark {
    public static void main(String[] args) {

        //创建Document的对象
        Document doc = new Document();

        //载入Word文档
        doc.loadFromFile("示例.docx");

        //载入图片
        DocPicture pic = new DocPicture(doc);
        pic.loadImage("水印.png");

        //将图片的文本环绕方式设置为衬于文字下方
        pic.setTextWrappingStyle(TextWrappingStyle.Behind);

        //设置垂直和水平重复次数
        int ver = 4;
        int hor = 3;

        //循环遍历文档中的节
        for (Section section : (Iterable<Section>) doc.getSections()) {
            //获取节的页眉
            HeaderFooter header = section.getHeadersFooters().getHeader();
            //在页眉中添加一个段落
            Paragraph paragraph = header.addParagraph();
            for (int i = 0; i < ver; i++) {
                for (int j = 0; j < hor; j++) {
                    //添加图片到页眉中
                    pic = (DocPicture) pic.deepClone();
                    pic.setVerticalPosition((float) ((section.getPageSetup().getPageSize().getHeight()/ver) * i));
                    pic.setHorizontalPosition((float) (section.getPageSetup().getPageSize().getWidth()/hor - pic.getWidth()/2) * j);
                    paragraph.getChildObjects().add(pic);
                }
            }
        }

        //保存文档
        doc.saveToFile("重复图片水印.docx", FileFormat.Auto);
        doc.dispose();
    }
}

PM> Install-Package Spire.PDF

using Spire.Pdf;

namespace ConvertPdfToXps
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建一个PdfDocument实例
            PdfDocument pdf = new PdfDocument();

            //加载示例PDF文档
            pdf.LoadFromFile("示例文档.pdf");

            //保存为XPS格式
            pdf.SaveToFile("ToXPS.xps", FileFormat.XPS);
            pdf.Close();
        }
    }
}

Imports Spire.Pdf

Namespace ConvertPdfToXps
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '创建一个PdfDocument实例
            Dim pdf As PdfDocument = New PdfDocument()

            '加载示例PDF文档
            pdf.LoadFromFile("示例文档.pdf")

            '保存为XPS格式
            pdf.SaveToFile("ToXPS.xps", FileFormat.XPS)
            pdf.Close()
        End Sub
    End Class
End Namespace

using Spire.Pdf;

namespace ConvertXPStoPDF
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建一个PdfDocument实例
            PdfDocument pdf = new PdfDocument();

            //加载XPS文件
            pdf.LoadFromFile("Sample.xps", FileFormat.XPS);
            //pdf.LoadFromXPS("Sample.xps");

            //将XPS转换为PDF时保持高质量图像
            pdf.ConvertOptions.SetXpsToPdfOptions(true);

            //将XPS文件保存为PDF文件
            pdf.SaveToFile("XPStoPDF.pdf", FileFormat.PDF);
            pdf.Dispose();
        }
    }
}

Imports Spire.Pdf

Namespace ConvertXPStoPDF
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '创建一个PdfDocument实例
            Dim pdf As PdfDocument = New PdfDocument()

            '加载XPS文件
            pdf.LoadFromFile("Sample.xps", FileFormat.XPS)
            'pdf.LoadFromXPS("Sample.xps");

            '将XPS转换为PDF时保持高质量图像
            pdf.ConvertOptions.SetXpsToPdfOptions(True)

            '将XPS文件保存为PDF文件
            pdf.SaveToFile("XPStoPDF.pdf", FileFormat.PDF)
            pdf.Dispose()
        End Sub
    End Class
End Namespace

PM> Install-Package Spire.PDF

using Spire.Pdf;
using Spire.Pdf.Graphics;
using System.Drawing;
using System.IO;

namespace ConvertMultipleImagesIntoPdf
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建PdfDocument对象
            PdfDocument doc = new PdfDocument();

            //将页边距设置为零
            doc.PageSettings.SetMargins(0);

            //获取存储图像的文件夹
            DirectoryInfo folder = new DirectoryInfo(@"C:\Users\Administrator\Desktop\图片");

            //遍历文件夹中的文件
            foreach (FileInfo file in folder.GetFiles())
            {
                //加载特定图像
                Image image = Image.FromFile(file.FullName);

                //获取图像宽度和高度
                float width = image.PhysicalDimension.Width;
                float height = image.PhysicalDimension.Height;

                //添加与图像大小相同的页面
                PdfPageBase page = doc.Pages.Add(new SizeF(width, height));

                //基于图像创建PdfImage对象
                PdfImage pdfImage = PdfImage.FromImage(image);

                //在页面的（0，0）处绘制图像
                page.Canvas.DrawImage(pdfImage, 0, 0, pdfImage.Width, pdfImage.Height);
            }

            //保存文件
            doc.SaveToFile("结果文档.pdf");
            doc.Dispose();
        }
    }
}

Imports Spire.Pdf
Imports Spire.Pdf.Graphics
Imports System.Drawing
Imports System.IO

Namespace ConvertMultipleImagesIntoPdf
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '创建PdfDocument对象
            Dim doc As PdfDocument = New PdfDocument()

            '将页边距设置为零
            doc.PageSettings.SetMargins(0)

            '获取存储图像的文件夹
            Dim folder As DirectoryInfo = New DirectoryInfo("C:\Users\Administrator\Desktop\图片")

            '遍历文件夹中的文件
            For Each file In folder.GetFiles()
                '加载特定图像
                Dim image As Image = Image.FromFile(file.FullName)

                '获取图像宽度和高度
                Dim width As Single = image.PhysicalDimension.Width
                Dim height As Single = image.PhysicalDimension.Height

                '添加与图像大小相同的页面
                Dim page As PdfPageBase = doc.Pages.Add(New SizeF(width, height))

                '基于图像创建PdfImage对象
                Dim pdfImage As PdfImage = PdfImage.FromImage(image)

                '在页面的（0，0）处绘制图像
                page.Canvas.DrawImage(pdfImage, 0, 0, pdfImage.Width, pdfImage.Height)
            Next

            '保存文件
            doc.SaveToFile("结果文档.pdf")
            doc.Dispose()
        End Sub
    End Class
End Namespace