Java实现Word文档内容精确复制的超详细教程

<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>14.6.0</version>
    </dependency>
</dependencies>

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.Section;
import com.spire.doc.documents.Paragraph;

public class CopyParagraphs {
    public static void main(String[] args) {
        // 加载源文档
        Document sourceDoc = new Document();
        sourceDoc.loadFromFile("source.docx");

        // 加载目标文档
        Document targetDoc = new Document();
        targetDoc.loadFromFile("target.docx");

        // 获取源文档的第一个章节，并取出第 3 段和第 4 段（索引从 0 开始）
        Section sourceSection = sourceDoc.getSections().get(0);
        Paragraph p1 = sourceSection.getParagraphs().get(2);
        Paragraph p2 = sourceSection.getParagraphs().get(3);

        // 获取目标文档的最后一个章节用于追加
        Section lastSection = targetDoc.getLastSection();

        // 克隆并添加段落
        lastSection.getParagraphs().add(p1.deepClone());
        lastSection.getParagraphs().add(p2.deepClone());

        // 保存结果
        targetDoc.saveToFile("CopyParagraphs.docx", FileFormat.Docx_2019);

        sourceDoc.dispose();
        targetDoc.dispose();
    }
}

import com.spire.doc.Document;
import com.spire.doc.DocumentObject;
import com.spire.doc.FileFormat;
import com.spire.doc.Section;

public class CopySection {
    public static void main(String[] args) {
        Document sourceDoc = new Document();
        sourceDoc.loadFromFile("source.docx");

        Document targetDoc = new Document();
        targetDoc.loadFromFile("target.docx");

        // 获取源文档的第一个节
        Section sourceSection = sourceDoc.getSections().get(0);
        // 获取目标文档的最后一个节
        Section targetSection = targetDoc.getLastSection();

        // 遍历源节中的所有文档元素
        for (int i = 0; i < sourceSection.getBody().getChildObjects().getCount(); i++) {
            DocumentObject obj = sourceSection.getBody().getChildObjects().get(i);
            targetSection.getBody().getChildObjects().add(obj.deepClone());
        }

        targetDoc.saveToFile("CopySection.docx", FileFormat.Docx_2019);
        
        sourceDoc.dispose();
        targetDoc.dispose();
    }
}

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

public class MergeDocuments {
    public static void main(String[] args) {
        Document targetDoc = new Document();
        targetDoc.loadFromFile("target.docx");

        // 将源文档内容插入到目标文档末尾
        targetDoc.insertTextFromFile("source.docx", FileFormat.Docx);

        targetDoc.saveToFile("MergedDocument.docx", FileFormat.Docx_2019);
        
        targetDoc.dispose();
    }
}

// 水印复制示例
Document sourceDoc = new Document("source.docx");
Document targetDoc = new Document("target.docx");

targetDoc.setWatermark(sourceDoc.getWatermark());
targetDoc.saveToFile("CopyWatermark.docx", FileFormat.Docx);