在任意位置插入Word文本框- Apache POI

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi</artifactId>
    <version>4.1.2</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>4.1.2</version>
</dependency>

XWPFDocument document = new XWPFDocument();

XWPFTextBox textBox = document.createTextBox();
textBox.setLeft(100);  // 设置文本框的左边距
textBox.setTop(100);  // 设置文本框的上边距
textBox.setWidth(200);  // 设置文本框的宽度
textBox.setHeight(100);  // 设置文本框的高度

XWPFParagraph paragraph = textBox.insertNewParagraph(0);
XWPFRun run = paragraph.createRun();
run.setText("Hello, World!");

document.getBodyElements().add(textBox);

FileOutputStream outputStream = new FileOutputStream("output.docx");
document.write(outputStream);
outputStream.close();