Springboot整合poi实现批量修改word文件内容

<!--poi依赖-->
<dependency>
	<groupId>org.apache.poi</groupId>
	<artifactId>poi</artifactId>
	<version>5.0.0</version>
</dependency>
<dependency>
	<groupId>org.apache.poi</groupId>
	<artifactId>poi-ooxml</artifactId>
	<version>5.0.0</version>
</dependency>
<!-- web项目 -->
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--thymeleaf模板引擎-->
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>

@Controller
public class TestController {
	@GetMapping("/")
    public String test(){
        return "replaceWord";
    }
	@GetMapping("/replaceWord")
    public String inputParam(String input,String output,String source,String target) throws IOException {
        File file = new File(input);
        File readFile;
        if(file.isDirectory()) {
            System.out.println("正在读取"+ input +"目录....");
            String[] list = file.list();
            for(int i = 0; i< Objects.requireNonNull(list).length; i++) {
                readFile = new File(input +"/"+list[i]);
                if(readFile.isDirectory()) {
                    System.out.println("文件夹："+list[i]);
                }else {
                    System.out.println("正在读取"+ input + "/" + list[i]);
                    FileInputStream in = new FileInputStream(readFile);
                    XWPFDocument doc = new XWPFDocument(in);
                    //正文段落-获取所有段落 ======== 替换段落文字
                    List<XWPFParagraph> paragraphs = doc.getParagraphs();
                    for (XWPFParagraph paragraph : paragraphs) {
                        if(!paragraph.getParagraphText().contains(source)){
                            continue;
                        }
                        //获取段落中的runs
                        List<XWPFRun> runs = paragraph.getRuns();
                        for (int i1 = 0; i1 < runs.size(); i1++) {
                            XWPFRun run = runs.get(i1);
                            String runText = run.toString();
                            if(runText.contains(source)){
                                runText = runText.replaceAll(source, target);
                                // 直接调用 XWPFRun 的 setText() 方法设置文本时，在底层会重新创建一个 XWPFRun，把文本附加在当前文本后面，
                                // 所以我们不能直接设值，需要先删除当前 run, 然后再自己手动插入一个新的 run
                                paragraph.removeRun(i1);
                                paragraph.insertNewRun(i1).setText(runText);
                            }
                        }
                    }
                    //获得所有的表格  ------ 替换表格文字
                    List<XWPFTable> tables = doc.getTables();
                    for (XWPFTable table : tables) {
                        //一个表格包含多行
                        List<XWPFTableRow> rows = table.getRows();
                        for (XWPFTableRow row : rows) {
                            //一行包含多列
                            List<XWPFTableCell> tableCells = row.getTableCells();
                            //一行一列，横纵坐标确定一个 XWPFTableCell
                            //表格中的一格相当于一个没有页眉和页脚的文档
                            for (XWPFTableCell tableCell : tableCells) {
                                String text = tableCell.getText();
                                if (!StringUtils.isEmpty(text) && Objects.equals(text, source)) {
                                    //setText底层是追加，所以要删除删除原来的段落
                                    tableCell.removeParagraph(0);
                                    //设置段落的样式，行间距
                                    XWPFParagraph para = tableCell.addParagraph();
                                    para.setSpacingBetween(1);
                                    //赋值
                                    tableCell.setText(target);
                                }
                            }
                        }
                    }
                    OutputStream out = Files.newOutputStream(Paths.get(output+"/"+list[i]));
                    // 输出
                    doc.write(out);
                    System.out.println("正在输出文件：" + output + "/" + list[i]);
                    in.close();
                    out.close();
                }
            }
        }else {
            System.out.println(input +"不是一个目录。");
        }
        return "replaceWord";
    }
}

<!DOCTYPE html>
<html lang="en" xmlns:th="https://www.thymeleaf.org/">
<head>
    <meta charset="UTF-8">
    <title>批量修改word文字 只测试过docx</title>
</head>
<body>
    <form method="get" action="/replaceWord">
        <label>
            选择导入文件夹：
            <input type="text" th:name="input" required>
        </label>
        <label>
            选择输出文件夹：
            <input type="text" th:name="output" required>
        </label>
        <label>
            需要修改的内容：
        <input type="text" th:name="source" required>
        </label>
        <label>
            修改为什么内容：
            <input type="text" th:name="target" required>
        </label>
        <button type="submit">进行替换</button>
    </form>
</body>
</html>