<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.cn/repository/maven-public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.doc</artifactId>
        <version>14.2.4</version>
    </dependency>
</dependencies>

import com.spire.doc.*;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.formatting.CharacterFormat;

public class AddVariables {
    public static void main(String[] args) {

        //創(chuàng)建Document
        Document document = new Document();

        //添加一個(gè)節(jié)
        Section section = document.addSection();

        //添加一個(gè)段落
        Paragraph paragraph = section.addParagraph();

        //設(shè)置文本格式
        CharacterFormat characterFormat = paragraph.getStyle().getCharacterFormat();
        characterFormat.setFontName("微軟雅黑");
        characterFormat.setFontSize(14);

        //設(shè)置頁邊距
        section.getPageSetup().getMargins().setTop(80f);

        //添加變量到段落
        paragraph.appendField("物理量", FieldType.Field_Doc_Variable);
        paragraph.appendText("是物質(zhì)的永恒運(yùn)動(dòng)、變化的持續(xù)性、順序性的表現(xiàn)，包含時(shí)刻和時(shí)段兩個(gè)概念。\r\n");
        paragraph.appendField("物理量", FieldType.Field_Doc_Variable);
        paragraph.appendText("是人類用以描述物質(zhì)運(yùn)動(dòng)過程或事件發(fā)生過程的一個(gè)參數(shù)，確定");
        paragraph.appendField("物理量", FieldType.Field_Doc_Variable);
        paragraph.appendText("，是靠不受外界影響的物質(zhì)周期變化的規(guī)律。");

        //獲取變量集合
        VariableCollection variableCollection = document.getVariables();

        //給添加的變量賦值
        variableCollection.add("物理量", "時(shí)間");

        //更新文檔中的域
        document.isUpdateFields(true);

        //保存文檔
        document.saveToFile("添加變量.docx", FileFormat.Auto);
        document.dispose();
    }
}

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.VariableCollection;

public class ChangeVariableValue {
    public static void main(String[] args) {

        //創(chuàng)建Document的對象
        Document document = new Document();

        //載入Word文檔
        document.loadFromFile("添加變量.docx");

        //獲取變量集合
        VariableCollection variableCollection = document.getVariables();

        //給指定變量分配一個(gè)新的值
        variableCollection.set("物理量", "Time");

        //更新文檔中的域
        document.isUpdateFields(true);

        //保存文檔
        document.saveToFile("更改變量.docx", FileFormat.Auto);
        document.dispose();
    }
}