如何在poi word XWPF的第一页和其他页面中生成不同的标题?

问题描述

我想在poi word的第一页和其他页面中生成不同的标题，所以我使用了XWPFHeaderFooterPolicy.FIRST和XWPFHeaderFooterPolicy.DEFAULT.当我使用 XWPFHeaderFooterPolicy.DEFAULT 时，我可以成功插入我的标题，但是当我更改为 XWPFHeaderFooterPolicy.FIRST 时，我看不到我的第一页中有标题，这是我的代码在下面，有什么问题?谢谢！

XWPFHeader header = headerFooterPolicy.createHeader(XWPFHeaderFooterPolicy.FIRST);段落 = header.createParagraph();段落.setAlignment(ParagraphAlignment.LEFT);运行 = 段落.createRun();run.setText("header");

解决方案

只有第一页有一个不同的标题设置，并不意味着这个标题也会被显示.在 Word GUI 中有一个复选框 [x] Different First Page 在 Header &页脚工具来实现这一点.

并根据 Office Open XML 第 4 部分 - 标记语言参考必须设置一个布尔 XML 元素 titlePg 以确定是否存在标题页.

在实际的最终 apache poi 3.15 版中，此 XML 元素 titlePg 只能通过使用 doc.getDocument().getBody() 使用底层低级对象进行设置.getSectPr().addNewTitlePg();.

但是 apache poi 3.16 Beta 2 版有 doc.createHeader(HeaderFooterType.FIRST); 它在 XML 中设置 titlePg 标志.>

完整示例:

import java.io.*;导入 org.apache.poi.wp.usermodel.*;导入 org.apache.poi.xwpf.usermodel.*;公共类 CreateWordHeaderFooterDifferent {public static void main(String[] args) 抛出异常 {XWPFDocument doc= new XWPFDocument();//正文内容XWPFParagraph 段落 = doc.createParagraph();XWPFRun run=paragraph.createRun();run.setText("The Body:");段落 = doc.createParagraph();运行=paragraph.createRun();run.setText("Lorem ipsum .... page 1");段落 = doc.createParagraph();运行=paragraph.createRun();运行.addBreak(BreakType.PAGE);run.setText("Lorem ipsum.... 第 2 页");段落 = doc.createParagraph();运行=paragraph.createRun();运行.addBreak(BreakType.PAGE);run.setText("Lorem ipsum.... 第 3 页");//创建第一页标题XWPFHeader header = doc.createHeader(HeaderFooterType.FIRST);段落 = header.createParagraph();段落.setAlignment(ParagraphAlignment.LEFT);运行 = 段落.createRun();run.setText("第一页标题:");//创建默认页眉header = doc.createHeader(HeaderFooterType.DEFAULT);段落 = header.createParagraph();段落.setAlignment(ParagraphAlignment.LEFT);运行 = 段落.createRun();run.setText("默认页眉:");//创建页脚XWPFFooter 页脚 = doc.createFooter(HeaderFooterType.DEFAULT);段落=footer.createParagraph();段落.setAlignment(ParagraphAlignment.CENTER);运行 = 段落.createRun();run.setText("页面");段落.getCTP().addNewFldSimple().setInstr("PAGE \\* MERGEFORMAT");运行 = 段落.createRun();run.setText(" of ");段落.getCTP().addNewFldSimple().setInstr("NUMPAGES \\* MERGEFORMAT");doc.write(new FileOutputStream("CreateWordHeaderFooterDifferent.docx"));}}

但在我看来，在创建 HeaderFooterType.FIRST 时自动在 XML 中设置 titlePg 标志是不正确的.由于 Word 可以在 [x] Different First Page 和 [] Different First Page 之间切换，apache poi 也应该能够这样做.所以设置titlePg标志应该是XWPFDocument中的一个方法.

I want to generate different headers in first page and other pages in poi word, So I used XWPFHeaderFooterPolicy.FIRST and XWPFHeaderFooterPolicy.DEFAULT. when I using XWPFHeaderFooterPolicy.DEFAULT I can insert my header successfully, but when I change to XWPFHeaderFooterPolicy.FIRST, I cannot see there is a header in my first page, this is my code in below, what's wrong with it? thanks!

XWPFHeader header = headerFooterPolicy.createHeader(XWPFHeaderFooterPolicy.FIRST);
      paragraph = header.createParagraph();
      paragraph.setAlignment(ParagraphAlignment.LEFT);
      run = paragraph.createRun();  
      run.setText("header");

解决方案

That there is a different header set for first page only, means not that this header will also be shown. In Word GUI there is a checkbox [x] Different First Page in Header & Footer Tools to achieve that.

And according Office Open XML Part 4 - Markup Language Reference there must a boolean XML element titlePg be set to determine that there is a title page present.

In actual final apache poi version 3.15 this XML element titlePg can only be set using underlying low level objects using doc.getDocument().getBody().getSectPr().addNewTitlePg();.

But apache poi version 3.16 Beta 2 has doc.createHeader(HeaderFooterType.FIRST); which sets titlePg flag in XML.

Complete example:

import java.io.*;

import org.apache.poi.wp.usermodel.*;

import org.apache.poi.xwpf.usermodel.*;

public class CreateWordHeaderFooterDifferent {

 public static void main(String[] args) throws Exception {

  XWPFDocument doc= new XWPFDocument();

  // the body content
  XWPFParagraph paragraph = doc.createParagraph();
  XWPFRun run=paragraph.createRun();  
  run.setText("The Body:");

  paragraph = doc.createParagraph();
  run=paragraph.createRun();  
  run.setText("Lorem ipsum.... page 1");

  paragraph = doc.createParagraph();
  run=paragraph.createRun();
  run.addBreak(BreakType.PAGE); 
  run.setText("Lorem ipsum.... page 2");

  paragraph = doc.createParagraph();
  run=paragraph.createRun();
  run.addBreak(BreakType.PAGE); 
  run.setText("Lorem ipsum.... page 3");

  // create first page header
  XWPFHeader header = doc.createHeader(HeaderFooterType.FIRST);

  paragraph = header.createParagraph();
  paragraph.setAlignment(ParagraphAlignment.LEFT);

  run = paragraph.createRun();  
  run.setText("The first page header:");

  // create default page header
  header = doc.createHeader(HeaderFooterType.DEFAULT);

  paragraph = header.createParagraph();
  paragraph.setAlignment(ParagraphAlignment.LEFT);

  run = paragraph.createRun();  
  run.setText("The default page header:");

  // create footer
  XWPFFooter footer = doc.createFooter(HeaderFooterType.DEFAULT);

  paragraph = footer.createParagraph();
  paragraph.setAlignment(ParagraphAlignment.CENTER);

  run = paragraph.createRun();  
  run.setText("Page ");
  paragraph.getCTP().addNewFldSimple().setInstr("PAGE \\* MERGEFORMAT");
  run = paragraph.createRun();  
  run.setText(" of ");
  paragraph.getCTP().addNewFldSimple().setInstr("NUMPAGES \\* MERGEFORMAT");

  doc.write(new FileOutputStream("CreateWordHeaderFooterDifferent.docx"));

 }
}

But in my opinion the setting titlePg flag in XML automatically while HeaderFooterType.FIRST is created is not correct. Since Word can toggle between [x] Different First Page and [] Different First Page, apache poi should also be able to do so. So the setting the titlePg flag should be a method in XWPFDocument.

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