本文将介绍通过Spire.Doc for Java给Word文档中的指定字符或字符串设置上标或者下标的方法。

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，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);

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

上下标设置效果：