poi word to html

In our daily work, we often need to convert Word documents into HTML format so that they can be displayed on web pages, or shared and transmitted via email. In this case, we can use the POI library to achieve conversion of Word documents.

POI (Poor Obfuscation Implementation) is a Java library for processing files in Microsoft Office formats, including Word documents (.doc and .docx), Excel spreadsheets, PowerPoint presentations, etc. It is an open source project of the Apache Software Foundation and provides a series of APIs that can be used to read, write and operate these Office files.

Next, we will take the conversion of Word documents into HTML format as an example to introduce how to use POI to implement this function.

First, we need to add the following dependencies in the project's pom.xml file:

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>4.1.0</version>
</dependency>

Next, we need to write Java code to implement the process of converting Word documents into HTML format. Assume that we already have a Word document named "example.docx", which we will use in the following code snippet. For usage of the POI library, please refer to the comments.

import java.io.*;
import org.apache.poi.xwpf.converter.core.*;
import org.apache.poi.xwpf.converter.html.*;
import org.apache.poi.xwpf.usermodel.*;

public class Word2Html {
    public static void main(String[] args) {
        String inputFile = "example.docx";
        String outputFile = "example.html";
        try (InputStream inputStream = new FileInputStream(inputFile);
             XWPFDocument document = new XWPFDocument(inputStream);
             OutputStream outputStream = new FileOutputStream(outputFile)) {

            //创建HTML配置
            HtmlConverterConfiguration configuration = HtmlConverterConfiguration
                    .builder()
                    .build();

            //创建HTML转换器
            AbstractHtmlConverter converter = HtmlConverter
                    .getInstance()
                    .getConverter(document, outputStream, configuration);

            //进行转换
            converter.convert();

            System.out.println("转换完成！");

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

The core of the above code is to use the HtmlConverter class to obtain an HTML converter AbstractHtmlConverter, and call its convert() method. Convert. We can also set conversion parameters, such as image compression quality, CSS style, etc., by configuring the HtmlConverterConfiguration object.

After running the above code, a file named "example.html" will be generated in the project root directory, which contains the content of the Word document we just converted. We can open it with any editor or browser that supports HTML format and view the converted effect.

In general, the process of using the POI library to convert Word documents into HTML format is not complicated. In this way, we can directly convert the document content into web page form, which facilitates sharing and transmission, while also improving readability and interactivity.

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