<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>3.9.0</version>

    </dependency>

</dependencies>

import com.spire.doc.*;

import com.spire.doc.documents.DocumentObjectType;

import com.spire.doc.documents.Paragraph;

public class DeleteBlankParas {

    public static void main(String[] args) {

        //加载Word测试文档

        Document doc = new Document();

        doc.loadFromFile("test.docx");

        //遍历Section

        for(int i = 0; i< doc.getSections().getCount();i++)

        {

            //获取section

            Section section = doc.getSections().get(i);

            //遍历section中的对象

            for (int j = 0;j<section.getBody().getChildObjects().getCount();j++)

            {

                //获取对象类型

                Object object = section.getBody().getChildObjects().get(j).getDocumentObjectType();

                //遍历段落

                for(int z = 0 ; z<section.getParagraphs().getCount();z++)

                {

                    //获取段落

                    Paragraph paragraph = section.getParagraphs().get(z);

                    //判断对象类型是否为段落

                    if(object.equals(DocumentObjectType.Paragraph))

                    {

                        //判断段落内容是否为空

                        if(paragraph.getChildObjects().getLastItem() == null)

                        {

                            //删除空白段落

                            section.getBody().getParagraphs().remove(paragraph);

                            z--;

                        }

                    }

                }

            }

        }

        //保存文档

        doc.saveToFile("DeleteBlankParas.docx",FileFormat.Docx_2013);

        doc.dispose();

    }

}