PDFBox True Type字体粗体

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDTrueTypeFont;

import java.io.File;
import java.io.IOException;

public class PDFBoxBoldTextExample {
    public static void main(String[] args) {
        try (PDDocument document = new PDDocument()) {
            PDPage page = new PDPage();
            document.addPage(page);

            PDPageContentStream contentStream = new PDPageContentStream(document, page);

            // 加载 True Type 字体粗体文件
            PDFont font = PDTrueTypeFont.loadTTF(document, new File("path/to/font_bold.ttf"));

            // 设置字体和大小
            contentStream.setFont(font, 12);

            // 写入文本
            contentStream.beginText();
            contentStream.newLineAtOffset(100, 700);
            contentStream.showText("Hello, PDFBox Bold Text!");
            contentStream.endText();

            contentStream.close();

            document.save("output.pdf");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}