Java导出Word文档的四种方法

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;

import java.io.FileOutputStream;
import java.io.IOException;

public class WordExport {
    public static void main(String[] args) {
        XWPFDocument document = new XWPFDocument();
        XWPFParagraph paragraph = document.createParagraph();
        paragraph.createRun().setText("Hello, World!");

        try (FileOutputStream out = new FileOutputStream("example.docx")) {
            document.write(out);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.docx4j.wml.ObjectFactory;
import org.docx4j.wml.P;

public class Docx4jExample {
    public static void main(String[] args) {
        WordprocessingMLPackage wordMLPackage = WordprocessingMLPackage.createPackage();
        ObjectFactory factory = new ObjectFactory();
        P paragraph = factory.createP();
        paragraph.getContent().add(factory.createText("Hello, Docx4j!"));
        wordMLPackage.getMainDocumentPart().getContent().add(paragraph);

        try {
            wordMLPackage.save(new java.io.File("example.docx"));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import org.jodconverter.LocalConverter;

import java.io.File;

public class JODConverterExample {
    public static void main(String[] args) {
        LocalConverter.convert(new File("example.html")).to(new File("example.docx")).execute();
    }
}

import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class FreeMarkerExample {
    public static void main(String[] args) {
        Configuration cfg = new Configuration(Configuration.VERSION_2_3_31);
        cfg.setClassForTemplateLoading(FreeMarkerExample.class, "/templates");

        Map<String, Object> data = new HashMap<>();
        data.put("title", "Hello FreeMarker");
        data.put("content", "This is a generated Word document.");

        try {
            Template template = cfg.getTemplate("template.ftl");
            FileWriter out = new FileWriter(new File("example.docx"));
            template.process(data, out);
            out.close();
        } catch (IOException | TemplateException e) {
            e.printStackTrace();
        }
    }
}