Java 的 PDF 创建者 (逐步教程)

import com.ironsoftware.ironpdf.*;
import java.io.IOException;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        License.setLicenseKey("YOUR-LICENSE-KEY"); // Set your IronPDF license key
        Settings.setLogPath(Paths.get("C:/tmp/IronPdfEngine.log")); // Set the path for log files
        // Convert a simple HTML string into a PDF document
        PdfDocument myPdf = PdfDocument.renderHtmlAsPdf("<h1> ~Hello World~ </h1> Made with IronPDF!");
        // Save the PDF document to the specified path
        myPdf.saveAs(Paths.get("html_saved.pdf"));
    }
}

import com.ironsoftware.ironpdf.*;
import java.io.IOException;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        License.setLicenseKey("YOUR-LICENSE-KEY"); // Set your IronPDF license key
        Settings.setLogPath(Paths.get("C:/tmp/IronPdfEngine.log")); // Set the path for log files
        // Convert an HTML file into a PDF document
        PdfDocument myPdf = PdfDocument.renderHtmlFileAsPdf("index.html");
        // Save the PDF document to the specified path
        myPdf.saveAs(Paths.get("html_saved.pdf"));
    }
}

import com.ironsoftware.ironpdf.*;
import java.io.IOException;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        License.setLicenseKey("YOUR-LICENSE-KEY"); // Set your IronPDF license key
        Settings.setLogPath(Paths.get("C:/tmp/IronPdfEngine.log")); // Set the path for log files
        // Convert a web page URL into a PDF document
        PdfDocument myPdf = PdfDocument.renderUrlAsPdf("https://www.alibaba.com/");
        // Save the PDF document to the specified path
        myPdf.saveAs(Paths.get("html_saved.pdf"));
    }
}

import com.ironsoftware.ironpdf.*;
import java.io.IOException;
import java.nio.file.*;
import java.util.ArrayList;
import java.util.List;

public class Main {
    public static void main(String[] args) throws IOException {
        Path imageDirectory = Paths.get("assets/images"); // Define the directory to search for images
        List<Path> imageFiles = new ArrayList<>();
        try (DirectoryStream<Path> stream = Files.newDirectoryStream(imageDirectory, "*.{png,jpg}")) {
            for (Path entry: stream) {
                imageFiles.add(entry); // Add each image file to the list
            }
            // Convert images into a composite PDF document
            PdfDocument.fromImage(imageFiles).saveAs(Paths.get("assets/composite.pdf"));
        } catch (IOException exception) {
            // Handle the exception if an error occurs during image-to-PDF conversion
            throw new RuntimeException(String.format("Error converting images to PDF from directory: %s: %s",
                    imageDirectory,
                    exception.getMessage()),
                exception);
        }
    }
}