使用docx4j+docx4j-ImportXHTML实现将html转成word

package com.example.pdfhtml.util; import com.lowagie.text.DocumentException; import com.lowagie.text.pdf.BaseFont; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.core.io.ClassPathResource; import org.springframework.core.io.Resource; import org.springframework.stereotype.Service; import org.thymeleaf.TemplateEngine; import org.thymeleaf.context.Context; import org.xhtmlrenderer.pdf.ITextFontResolver; import org.xhtmlrenderer.pdf.ITextRenderer; import javax.servlet.http.HttpServletResponse; import java.io.*; @Service @Slf4j public class PdfService { @Autowired private TemplateEngine templateEngine; /** * 生成HTML内容 * @return 渲染后的HTML字符串 */ public String generateHtmlContent() { Context context = new Context(); context.setVariable("title", "PDF文档标题"); context.setVariable("content", "【1.业务故障分析】\n" + "<1.1综述>\n" + "本周全区网络运行正常。\n" + "本周网络运行正常。\n" + "本周启动通信保障X起:XXX。\n" + "<1.2故障详情>\n" + "1、XXXXXX\n" + "2、XXXXXX\n" + "【2.关键指标情况】\n" + "<2.1全网KPI>\n" + "【本周指标情况】(所有量均为周均值)"); context.setVariable("style", "margin-left: 0px; font-size: 15px; color:red"); return templateEngine.process("pdf_template", context); } /** * 将HTML内容转换为PDF并写入响应 * @param response HTTP响应 * @param htmlContent HTML内容 * @throws IOException IO异常 * @throws DocumentException 文档异常 */ public void generatePdf(HttpServletResponse response, String htmlContent) throws Exception { // 设置响应类型 response.setContentType("application/vnd.openxmlformats-officedocument.wordprocessingml.document"); response.setHeader("Content-Disposition", "attachment; filename=generated.docx"); // 创建ITextRenderer实例 ITextRenderer renderer = new ITextRenderer(); // 设置字体路径，使用 classpath 加载字体 ITextFontResolver fontResolver = renderer.getFontResolver(); Resource resource = new ClassPathResource("fonts/SimSun.ttf"); File newFontDir = new File(System.getProperty("user.dir") + File.separator + "fonts"); if (!newFontDir.exists()) { newFontDir.mkdirs(); } File newFontFile = new File(newFontDir, "SimSun.ttf"); if (!newFontFile.exists()) { newFontFile.createNewFile(); // 将 resource 内容写入 newFontFile try (InputStream inputStream = resource.getInputStream(); OutputStream outputStream = new FileOutputStream(newFontFile)) { // 使用缓冲区进行复制 byte[] buffer = new byte[1024]; int bytesRead; while ((bytesRead = inputStream.read(buffer)) != -1) { outputStream.write(buffer, 0, bytesRead); } } log.info("【pdf下载】，字体文件已成功复制到" + newFontFile.getAbsolutePath()); } else { log.info("【pdf下载】，字体已存在：" + newFontFile.getAbsolutePath()); } fontResolver.addFont(newFontFile.getPath(), BaseFont.IDENTITY_H, BaseFont.EMBEDDED); // 设置HTML内容 renderer.setDocumentFromString(htmlContent); renderer.layout(); // 输出PDF到响应输出流 try (OutputStream outputStream = response.getOutputStream()) { renderer.createPDF(outputStream); outputStream.flush(); } } }