poi实现word转html并返回html内容（Java版）

柔光的暖阳◎ 2023-06-20 13:59 3阅读 0赞

> 最近遇到个将word文档转html的需求，要求传入文档路径后返回转换完成的html内容，直接进入主题。

## 1. jar包依赖（两者二选一） ##

#### 较新版本： ####

<dependency>
    	<groupId>junit</groupId>
    	<artifactId>junit</artifactId>
    	<version>4.12</version>
    	<scope>test</scope>
    </dependency>
    
    <dependency>
        <groupId>fr.opensagres.xdocreport</groupId>
        <artifactId>xdocreport</artifactId>
        <version>1.0.6</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>3.14</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-scratchpad</artifactId>
        <version>3.14</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml</artifactId>
        <version>3.14</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml-schemas</artifactId>
        <version>3.14</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>ooxml-schemas</artifactId>
        <version>1.3</version>
    </dependency>

#### 较老版本： ####

<dependency>
    	<groupId>junit</groupId>
    	<artifactId>junit</artifactId>
    	<version>4.12</version>
    	<scope>test</scope>
    </dependency>
    
    <dependency>
    	<groupId>fr.opensagres.xdocreport</groupId>
    	<artifactId>fr.opensagres.xdocreport.document</artifactId>
    	<version>1.0.5</version>
    </dependency>
    <dependency>
    	<groupId>fr.opensagres.xdocreport</groupId>
    	<artifactId>org.apache.poi.xwpf.converter.xhtml</artifactId>
    	<version>1.0.5</version>
    </dependency>
    <dependency>
    	<groupId>org.apache.poi</groupId>
    	<artifactId>poi</artifactId>
    	<version>3.14</version>
    </dependency>
    <dependency>
    	<groupId>org.apache.poi</groupId>
    	<artifactId>poi-scratchpad</artifactId>
    	<version>3.14</version>
    </dependency>

## 2. poi实现word转html并返回html内容 ##

#### 核心工具类： ####

package com.lee.demo.wordtohtml.util;
    
    import org.apache.poi.hwpf.HWPFDocument;
    import org.apache.poi.hwpf.converter.WordToHtmlConverter;
    import org.apache.poi.xwpf.converter.core.FileImageExtractor;
    import org.apache.poi.xwpf.converter.core.FileURIResolver;
    import org.apache.poi.xwpf.converter.xhtml.XHTMLConverter;
    import org.apache.poi.xwpf.converter.xhtml.XHTMLOptions;
    import org.apache.poi.xwpf.usermodel.XWPFDocument;
    import org.w3c.dom.Document;
    
    import javax.xml.parsers.DocumentBuilderFactory;
    import javax.xml.transform.OutputKeys;
    import javax.xml.transform.Transformer;
    import javax.xml.transform.TransformerFactory;
    import javax.xml.transform.dom.DOMSource;
    import javax.xml.transform.stream.StreamResult;
    import java.io.*;
    
    /** * 创建人:jimmy * 创建时间:2019年12月05日20:21 * 描述:word转换html返回html内容 工具类 */
    public class WordToHtmlBackStringUtil { 
    
        /** * @Author: jimmy * @Date: 2019/12/10 10:23 * @Param: [filePath, fileName, htmlName] * @Return: java.lang.String * @Description: word转html方法 */
        public static String convert(String filePath) throws Exception { 
            //获取文件名称
            File file = new File(filePath);
            String fileName = file.getName();
    
            //获取文件所在目录
            if (filePath.lastIndexOf("/") > 0){ 
                filePath = filePath.substring(0,filePath.lastIndexOf("/") + 1);
            }else if (filePath.lastIndexOf("\\") > 0){ 
                filePath = filePath.substring(0,filePath.lastIndexOf("\\") + 1);
            }
    
            //获取文件html名称
            String htmlName = fileName.substring(0, fileName.lastIndexOf(".")) + ".html";
            if (fileName.endsWith(".docx") || fileName.endsWith(".DOCX")) { 
                docx(filePath, fileName, htmlName);
            } else { 
                doc(filePath, fileName, htmlName);
            }
            String readfile = readfile(filePath + htmlName);
            return readfile;
        }
    
        /** * @Author: jimmy * @Date: 2019/12/10 12:34 * @Param: [filePath, fileName, htmlName] * @Return: void * @Description: 转换docx */
        public static void docx(String filePath ,String fileName,String htmlName) throws Exception{ 
            final String filePathName = filePath + fileName;
            InputStream in = new FileInputStream(new File(filePathName));
            // 1.加载解析docx文档用的XWPFDocument对象
            XWPFDocument document = new XWPFDocument(in);
            // 2.解析XHTML配置 (这里设置IURIResolver来设置图片存放的目录)
            File imageFolderFile = new File(filePath);
            XHTMLOptions options = XHTMLOptions.create().URIResolver(new FileURIResolver(imageFolderFile));
            options.setExtractor(new FileImageExtractor(imageFolderFile));
            options.setIgnoreStylesIfUnused(false);
            options.setFragment(true);
            // 3.将 XWPFDocument转换成XHTML
            OutputStream out = new FileOutputStream(new File(filePath + htmlName));
            XHTMLConverter.getInstance().convert(document, out, options);
        }
    
        /** * @Author: jimmy * @Date: 2019/12/10 12:34 * @Param: [filePath, fileName, htmlName] * @Return: void * @Description: 转换doc */
        public static void doc(String filePath ,String fileName,String htmlName) throws Exception{ 
            final String filePathName = filePath + fileName;
            InputStream input = new FileInputStream(new File(filePathName));
            //1.加载解析doc文档用的HWPFDocument对象
            HWPFDocument wordDocument = new HWPFDocument(input);
            WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument());
            //解析word文档
            wordToHtmlConverter.processDocument(wordDocument);
            Document htmlDocument = wordToHtmlConverter.getDocument();
    
            File htmlFile = new File(filePath + htmlName);
            OutputStream outStream = new FileOutputStream(htmlFile);
    
            DOMSource domSource = new DOMSource(htmlDocument);
            StreamResult streamResult = new StreamResult(outStream);
    
            TransformerFactory factory = TransformerFactory.newInstance();
            Transformer serializer = factory.newTransformer();
            serializer.setOutputProperty(OutputKeys.ENCODING, "utf-8");
            serializer.setOutputProperty(OutputKeys.INDENT, "yes");
            serializer.setOutputProperty(OutputKeys.METHOD, "html");
    
            serializer.transform(domSource, streamResult);
            outStream.close();
        }
    
        /** * @Author: jimmy * @Date: 2019/12/10 10:20 * @Param: [filePath] * @Return: java.lang.String * @Description: 读取poi生成的html文件内容返回 */
        public static String readfile(String filePath) { 
            File file = new File(filePath);
            InputStream input = null;
            try { 
                input = new FileInputStream(file);
            } catch (FileNotFoundException e) { 
                e.printStackTrace();
            }
            StringBuffer buffer = new StringBuffer();
            byte[] bytes = new byte[1024];
            try { 
                for (int i; (i = input.read(bytes)) != -1;) { 
                    buffer.append(new String(bytes, 0, i, "utf8"));
                }
                //流记得关闭，不然后面file不能被正常删除
                input.close();
            } catch (IOException e) { 
                e.printStackTrace();
            }
            //转换成功后的html文件内容读取后删掉，防止不必要的占用服务器资源
            file.delete();
            return buffer.toString();
        }
        
    }

#### 测试类： ####

## 3. poi实现word转html并生成html文件 ##

#### 核心工具类： ####

#### 测试类： ####

package com.lee.demo.wordtohtml;
    
    import org.junit.jupiter.api.Test;
    import org.junit.runner.RunWith;
    import org.springframework.boot.test.context.SpringBootTest;
    import org.springframework.test.context.junit4.SpringRunner;
    
    import java.io.File;
    
    import static com.lee.demo.wordtohtml.util.WordToHtmlUtil.doc;
    import static com.lee.demo.wordtohtml.util.WordToHtmlUtil.docx;
    
    
    @RunWith(SpringRunner.class)
    @SpringBootTest
    class WordToHtmlTests { 
    
        /** * @Author: jimmy * @Date: 2019/12/10 14:54 * @Param: [] * @Return: void * @Description: word转换html并生成html文件 */
    	@Test
    	void WordToHtmlTest() throws Exception { 
    
    		String filePath = "C:/Users/admin/Desktop/word-html/test/";
    		File file = new File(filePath);
            //获取文件夹目录下所有文件
    		File[] files = file.listFiles();
    		String singleFileName = null;
    		//遍历所有文件
    		for (File singleFile : files) { 
    			Thread.sleep(500);
    			//获取单个文件的文件名称
                singleFileName = singleFile.getName().substring(0, singleFile.getName().lastIndexOf("."));
    			System.out.println(singleFile.getName());
    			//生成html
    			if (singleFile.getName().endsWith(".docx") || singleFile.getName().endsWith(".DOCX")) { 
    				docx(filePath, singleFile.getName(), singleFileName + ".html");
    			} else { 
    				doc(filePath, singleFile.getName(), singleFileName + ".html");
    			}
    		}
    	}
    
    }

![在这里插入图片描述][20191210164411235.png]  
[**示例代码**][Link 1]

**参考：**  
[https://blog.csdn.net/tangyaliang11/article/details/79007873][https_blog.csdn.net_tangyaliang11_article_details_79007873]  
[https://blog.csdn.net/j1231230/article/details/80712531][https_blog.csdn.net_j1231230_article_details_80712531]

[20191210164411235.png]: https://img-blog.csdnimg.cn/20191210164411235.png
[Link 1]: https://download.csdn.net/download/yuxielea/12024313
[https_blog.csdn.net_tangyaliang11_article_details_79007873]: https://blog.csdn.net/tangyaliang11/article/details/79007873
[https_blog.csdn.net_j1231230_article_details_80712531]: https://blog.csdn.net/j1231230/article/details/80712531