Java如何在 Word 中设置上、下标

<repositories>
  <repository>
    <id>com.e-iceblue</id>
    <url>http://repo.e-iceblue.cn/repository/maven-public/</url>
  </repository>
</repositories>
<dependencies>
  <dependency>
    <groupId>e-iceblue</groupId>
    <artifactId>spire.doc.free</artifactId>
    <version>2.7.3</version>
  </dependency>
</dependencies>

import com.spire.doc.*;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.documents.SubSuperScript;

public class SubSuperScritp {
  public static void main(String[] args) {
    //创建文档
    Document doc = new Document();
    Section sec = doc.addSection();

    //添加段落1，设置上标
    Paragraph para1 = sec.addParagraph();
    para1.appendText("A");
    para1.appendText("2").getCharacterFormat().setSubSuperScript(SubSuperScript.Super_Script);
    para1.appendText("+B");
    para1.appendText("2").getCharacterFormat().setSubSuperScript(SubSuperScript.Super_Script);
    para1.appendText("=C");
    para1.appendText("2").getCharacterFormat().setSubSuperScript(SubSuperScript.Super_Script);

    //添加段落2、3，设置下标
    Paragraph para2 = sec.addParagraph();
    para2.appendText("An = S");
    para2.appendText("n").getCharacterFormat().setSubSuperScript(SubSuperScript.Sub_Script);
    para2.appendText("- S");
    para2.appendText("n-1").getCharacterFormat().setSubSuperScript(SubSuperScript.Sub_Script);
    Paragraph para3 = sec.addParagraph();
    para3.appendText("C");
    para3.appendText("O");
    para3.appendText("2").getCharacterFormat().setSubSuperScript(SubSuperScript.Sub_Script);



    //保存文档
    doc.saveToFile("SubSuperScript.docx", FileFormat.Docx_2013);
    doc.dispose();
  }
}