本文将介绍如何使用Spire.Doc for Java将HTML String和HTML file两种HTML样式的文档保存为PDF格式。

HTML String另存为PDF格式

import com.spire.doc.*;
import java.io.*;

public class htmlStringToWord {

    public static void main(String[] args) throws Exception {

        String inputHtml = "InputHtml.txt";
        //新建Document对象
        Document document = new Document();
        //添加section
        Section sec = document.addSection();

        String htmlText = readTextFromFile(inputHtml);
        //添加段落并写入HTML文本
        sec.addParagraph().appendHTML(htmlText);

        //文档另存为PDF
        document.saveToFile("HTMLstringToPDF.pdf", FileFormat.PDF);
    }
    public static String readTextFromFile(String fileName) throws IOException{
        StringBuffer sb = new StringBuffer();
        BufferedReader br = new BufferedReader(new FileReader(fileName));
        String content = null;
        while ((content = br.readLine()) != null) {
            sb.append(content);
        }
        return sb.toString();
    }
}

HTML file另存为PDF格式

import com.spire.doc.*;
import com.spire.doc.documents.XHTMLValidationType;

public class htmlFileToWord {

    public static void main(String[] args) throws Exception {
        //加载HTML文档
        Document document = new Document();
        document.loadFromFile("InputHtmlFile.html", FileFormat.Html, XHTMLValidationType.None);

        //文档另存为PDF
        document.saveToFile("Result.pdf",FileFormat.PDF);
    }
}

效果图：