Java将富文本转化为word

2023-12-28 12:17:18

第一种（目前已经实现）

依赖

		<dependency>
            <groupId>org.jsoup</groupId>
            <artifactId>jsoup</artifactId>
            <version>1.14.3</version>
        </dependency>

wordUtils

package com.sunseagear.wind.modules.task.abc;

import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.DocumentEntry;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.util.List;


/**
 * poi操作word工具类
 * @author lei
 * @version 1.0
 * @date 2022/11/14 10:23
 */
public class WordUtil {
   

    /**
     * 导出富文本内容到word
     * @param request
     * @param response
     * @param content 输出内容
     * @param fileName 导出文件名称
     * @throws Exception
     */
    public static void exportHtmlToWord(HttpServletRequest request, HttpServletResponse response, String content, String fileName) throws Exception {
   
        //图片转为base64方法
        //String imagebase64 = getImageStr(imagePath);
        // 拼接html格式内容
        StringBuffer sbf = new StringBuffer();
        // 这里拼接一下html标签,便于word文档能够识别
        sbf.append("<html " +
                "xmlns:v=\"urn:schemas-microsoft-com:vml\" xmlns:o=\"urn:schemas-microsoft-com:office:office\" xmlns:w=\"urn:schemas-microsoft-com:office:word\" xmlns:m=\"http://schemas.microsoft.com/office/2004/12/omml\" xmlns=\"http://www.w3.org/TR/REC-html40\"" + //将版式从web版式改成页面试图
                ">");
        sbf.append("<head>" +
                "<!--[if gte mso 9]><xml><w:WordDocument><w:View>Print</w:View><w:TrackMoves>false</w:TrackMoves><w:TrackFormatting/><w:ValidateAgainstSchemas/><w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid><w:IgnoreMixedContent>false</w:IgnoreMixedContent><w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText><w:DoNotPromoteQF/><w:LidThemeOther>EN-US</w:LidThemeOther><w:LidThemeAsian>ZH-CN</w:LidThemeAsian><w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript><w:Compatibility><w:BreakWrappedTables/><w:SnapToGridInCell/><w:WrapTextWithPunct/><w:UseAsianBreakRules/><w:DontGrowAutofit/><w:SplitPgBreakAndParaMark/><w:DontVertAlignCellWithSp/><w:DontBreakConstrainedForcedTables/><w:DontVertAlignInTxbx/><w:Word11KerningPairs/><w:CachedColBalance/><w:UseFELayout/></w:Compatibility><w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel><m:mathPr><m:mathFont m:val=\"Cambria Math\"/><m:brkBin m:val=\"before\"/><m:brkBinSub m:val=\"--\"/><m:smallFrac m:val=\"off\"/><m:dispDef/><m:lMargin m:val=\"0\"/> <m:rMargin m:val=\"0\"/><m:defJc m:val=\"centerGroup\"/><m:wrapIndent m:val=\"1440\"/><m:intLim m:val=\"subSup\"/><m:naryLim m:val=\"undOvr\"/></m:mathPr></w:WordDocument></xml><![endif]-->" +
                "</head>");
        sbf.append("<body>");
        // 富文本内容
        sbf.append(content);
        sbf.append("</body></html>");

        // 必须要设置编码,避免中文就会乱码
        byte[] b = sbf.toString().getBytes("GBK");
        // 将字节数组包装到流中
        ByteArrayInputStream bais = new ByteArrayInputStream(b);
        POIFSFileSystem poifs = new POIFSFileSystem();
        DirectoryEntry directory = poifs.getRoot();
        // 这代码不能省略,否则导出乱码。
        DocumentEntry documentEntry = directory.createDocument("WordDocument", bais);
        //输出文件
        request.setCharacterEncoding("utf-8");
        // 导出word格式
        response.setContentType("application/msword");
        response.addHeader("Content-Disposition", "attachment;filename=" +
                new String(fileName.getBytes("GB2312"),"iso8859-1") + ".doc");
        ServletOutputStream ostream = response.getOutputStream();
        poifs.writeFilesystem(ostream);
        bais.close();
        ostream.close();
    }

    /**
     * 富文本内容到word（本地）
     * @param content 输出内容
     * @param fileName 导出文件名称
     * @throws Exception
     */
    public static void exportHtmlToWord(String filepath, String content, String fileName) throws Exception {
   
        // 拼接html格式内容
        StringBuffer sbf = new StringBuffer();
        // 这里拼接一下html标签,便于word文档能够识别
        sbf.append("<html " +
                "xmlns:v=\"urn:schemas-microsoft-com:vml\" xmlns:o=\"urn:schemas-microsoft-com:office:office\" xmlns:w=\"urn:schemas-microsoft-com:office:word\" xmlns:m=\"http://schemas.microsoft.com/office/2004/12/omml\" xmlns=\"http://www.w3.org/TR/REC-html40\"" + //将版式从web版式改成页面试图
                ">");
        sbf.append("<head>" +
                "<!--[if gte mso 9]><xml><w:WordDocument><w:View>Print</w:View><w:TrackMoves>false</w:TrackMoves><w:TrackFormatting/><w:ValidateAgainstSchemas/><w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid><w:IgnoreMixedContent>false</w:IgnoreMixedContent><w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText><w:DoNotPromoteQF/><w:LidThemeOther>EN-US</w:LidThemeOther><w:LidThemeAsian>ZH-CN</w:LidThemeAsian><w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript><w:Compatibility><w:BreakWrappedTables/><w:SnapToGridInCell/><w:WrapTextWithPunct/><w:UseAsianBreakRules/><w:DontGrowAutofit/><w:SplitPgBreakAndParaMark/><w:DontVertAlignCellWithSp/><w:DontBreakConstrainedForcedTables/><w:DontVertAlignInTxbx/><w:Word11KerningPairs/><w:CachedColBalance/><w:UseFELayout/></w:Compatibility><w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel><m:mathPr><m:mathFont m:val=\"Cambria Math\"/><m:brkBin m:val=\"before\"/><m:brkBinSub m:val=\"--\"/><m:smallFrac m:val=\"off\"/><m:dispDef/><m:lMargin m:val=\"0\"/> <m:rMargin m:val=\"0\"/><m:defJc m:val=\"centerGroup\"/><m:wrapIndent m:val=\"1440\"/><m:intLim m:val=\"subSup\"/><m:naryLim m:val=\"undOvr\"/></m:mathPr></w:WordDocument></xml><![endif]-->" +
                "</head>");
        sbf.append("<body>");
        // 富文本内容
        sbf.append(content);
        sbf.append("</body></html>");

        // 必须要设置编码,避免中文就会乱码
        byte[] b = sbf.toString().getBytes("GBK");
        // 将字节数组包装到流中
        ByteArrayInputStream bais = new ByteArrayInputStream(b);
        POIFSFileSystem poifs = new POIFSFileSystem();
        DirectoryEntry directory = poifs.getRoot();
        // 这代码不能省略,否则导出乱码。
        DocumentEntry documentEntry = directory.createDocument("WordDocument", bais);

        FileOutputStream out = new FileOutputStream(new File(filepath+fileName));
        poifs.writeFilesystem(out);
        bais.close();
        out.close();
    }
}

ImageUtils

package com.sunseagear.wind.modules.task.abc;

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.Base64;
import javax.imageio.ImageIO;

/**
 * 图片处理工具类
 * @author lei
 * @date 2022/11/14 10:20
 * @version 1.0
 */
public class ImageUtils {
   
    /**
     * 通过BufferedImage图片流调整图片大小
     */
    public static BufferedImage resizeImage(BufferedImage originalImage, int targetWidth, int targetHeight) throws IOException {
   
        Image resultingImage = originalImage.getScaledInstance(targetWidth, targetHeight, Image.SCALE_AREA_AVERAGING);
        BufferedImage outputImage = new BufferedImage(targetWidth, targetHeight, BufferedImage.TYPE_INT_RGB);
        outputImage.getGraphics().drawImage(resultingImage, 0, 0, null);
        return outputImage;
    }

    /**
     * 返回base64图片
     * @param data
     * @return
     */
    public static String imageToBase64(byte[] data) {
   
        return Base64.getEncoder().encodeToString(data);
    }

    /**
     * base64转换成byte数组
     * @param base64
     * @return
     * @throws IOException
     */
    public static byte[] base64ToByte(String base64) throws IOException {
   
        return Base64.getDecoder().decode(base64);
    }

    /**
     * BufferedImage图片流转byte[]数组
     */
    public static byte[] imageToBytes(BufferedImage bImage) throws IOException {
   
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ImageIO.write(bImage, "png", out);
        return out.toByteArray();
    }

    /**
     * byte[]数组转BufferedImage图片流
     */
    public static BufferedImage bytesToBufferedImage(byte[] ImageByte) throws IOException {
   
        ByteArrayInputStream in = new ByteArrayInputStream(ImageByte);
        return ImageIO.read(in);
    }

    //图片转化成base64字符串
    public static String getImageStr(String imgPath) throws IOException {
   
        File file = new File(imgPath);
        if (!file.exists()) {

文章来源:https://blog.csdn.net/weixin_45816407/article/details/135250672
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