<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) {
    //加載Word測試文檔
    Document doc = new Document();
    doc.loadFromFile("test.docx");

    //遍歷Section
    for(int i = 0; i< doc.getSections().getCount();i++)
    {
      //獲取section
      Section section = doc.getSections().get(i);

      //遍歷section中的對象
      for (int j = 0;j<section.getBody().getChildObjects().getCount();j++)
      {
        //獲取對象類型
        Object object = section.getBody().getChildObjects().get(j).getDocumentObjectType();

        //遍歷段落
        for(int z = 0 ; z<section.getParagraphs().getCount();z++)
        {
          //獲取段落
          Paragraph paragraph = section.getParagraphs().get(z);

          //判斷對象類型是否為段落
          if(object.equals(DocumentObjectType.Paragraph))
          {
            //判斷段落內(nèi)容是否為空
            if(paragraph.getChildObjects().getLastItem() == null)
            {
              //刪除空白段落
              section.getBody().getParagraphs().remove(paragraph);
              z--;
            }
          }
        }

      }
    }

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