java poi生成word文档并下载

我使用的是Springboot框架开发的。首先需要在pom.xml文件中引入以下maven包：

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<dependency>     <groupId>org.apache.poi</groupId>     <artifactId>poi</artifactId>     <version>3.10-FINAL</version> </dependency>       <dependency>     <groupId>org.apache.poi</groupId>     <artifactId>poi-ooxml</artifactId>     <version>3.8</version> </dependency>

然后编写一个word工具类，使用时直接调用即可。

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package com.label.tool;    import org.apache.poi.xwpf.usermodel.ParagraphAlignment; import org.apache.poi.xwpf.usermodel.XWPFDocument; import org.apache.poi.xwpf.usermodel.XWPFParagraph; import org.apache.poi.xwpf.usermodel.XWPFRun; import javax.servlet.http.HttpServletResponse; import java.io.OutputStream; import java.net.URLEncoder; import java.text.NumberFormat; import java.util.Map;    public class WordTool {     /**      *      * @param response      * @throws Exception      */     public static void downloadBigActivity(HttpServletResponse response) throws Exception {         XWPFDocument doc = new XWPFDocument();// 创建Word文件         XWPFParagraph p = doc.createParagraph();// 新建段落         p.setAlignment(ParagraphAlignment.CENTER);// 设置段落的对齐方式         XWPFRun r = p.createRun();//创建标题         r.setText("2020年元日大型活动情况分析");         r.setBold(true);//设置为粗体         r.setColor("000000");//设置颜色         r.setFontSize(21); //设置字体大小         r.addCarriageReturn();//回车换行         XWPFParagraph p1 = doc.createParagraph();         p1.setAlignment(ParagraphAlignment.BOTH);            XWPFRun c1 = p1.createRun();         c1.setText("一、12月31日晚上各地将举行各类活动");         c1.setColor("000000");         c1.setFontSize(12);         c1.addCarriageReturn();         String fileNameURL = URLEncoder.encode("myWord.doc", "UTF-8");         response.setCharacterEncoding("UTF-8");         //response.setHeader("Content-disposition", "attachment;filename=" + fileName);         response.setContentType("application/force-download");// 设置强制下载不打开         response.setHeader("Content-disposition", "attachment;filename=" + fileNameURL + ";" + "filename*=utf-8''" + fileNameURL);         //response.setContentType("application/octet-stream");         //刷新缓冲         response.flushBuffer();         OutputStream ouputStream = response.getOutputStream();         //workbook将Excel写入到response的输出流中，供页面下载该Excel文件         doc.write(ouputStream);         ouputStream.flush();         ouputStream.close();     }      }