Docx4j 简单操作文字图片（包含页眉页脚和主体内容）

我不是女神ヾ 2022-08-10 05:49 9阅读 0赞

docx4j官方提供了一些[例子 - v3.2.2][- v3.2.2]，本文只是其中一部分应用的简单例子。

需要注意的地方是页眉和页脚，必须创建对应关系才能起作用。

页眉和页脚添加图片的时候，调用的`createImagePart`方法必须用包含`sourcePart`参数的，带这个参数的方法会创建图片的对应关系，否则就会出现页眉页脚看不到图片的情况。

基本上掌握了图片和页眉页脚后，其他的都没什么难的，更多的用法可以参考官方的例子。

下面是完整代码例子，具体说明看注释：

import org.docx4j.dml.wordprocessingDrawing.Inline;
    import org.docx4j.jaxb.Context;
    import org.docx4j.model.structure.SectionWrapper;
    import org.docx4j.openpackaging.exceptions.InvalidFormatException;
    import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
    import org.docx4j.openpackaging.parts.Part;
    import org.docx4j.openpackaging.parts.WordprocessingML.BinaryPartAbstractImage;
    import org.docx4j.openpackaging.parts.WordprocessingML.FooterPart;
    import org.docx4j.openpackaging.parts.WordprocessingML.HeaderPart;
    import org.docx4j.relationships.Relationship;
    import org.docx4j.wml.*;
    
    import java.io.File;
    import java.util.List;
    
    /** * @author liuzh */
    public class Docx4jTest { 
    
        public static void main(String[] args) throws Exception { 
            //创建一个word
            //读取可以使用WordprocessingMLPackage.load方法
            WordprocessingMLPackage word = WordprocessingMLPackage.createPackage();
            String imageFilePath = Docx4jTest.class.getResource("/lw.jpg").getPath();
    
            //创建页眉
            HeaderPart headerPart = createHeader(word);
            //页眉添加图片
            headerPart.getContent().add(newImage(word, headerPart, imageFilePath));
    
            //创建页脚
            FooterPart footerPart = createFooter(word);
            //添加图片
            footerPart.getContent().add(newImage(word, footerPart, imageFilePath));
    
            //主内容添加文本和图片
            word.getMainDocumentPart().getContent().add(newText("https://mybatis.io"));
            word.getMainDocumentPart().getContent().add(newText("http://blog.csdn.net/isea533"));
    
            word.getMainDocumentPart().getContent().add(
                    newImage(word, word.getMainDocumentPart(), imageFilePath));
    
            //保存
            word.save(new File("d:/1.docx"));
        }
    
        private static final ObjectFactory factory = Context.getWmlObjectFactory();
    
        /** * 创建一段文本 * * @param text * @return */
        public static P newText(String text){ 
            P p = factory.createP();
            R r = factory.createR();
            Text t = new Text();
            t.setValue(text);
            r.getContent().add(t);
            p.getContent().add(r);
            return p;
        }
    
        /** * 创建包含图片的内容 * * @param word * @param sourcePart * @param imageFilePath * @return * @throws Exception */
        public static P newImage(WordprocessingMLPackage word,
                                 Part sourcePart,
                                 String imageFilePath) throws Exception { 
            BinaryPartAbstractImage imagePart = BinaryPartAbstractImage
                    .createImagePart(word, sourcePart, new File(imageFilePath));
            //随机数ID
            int id = (int) (Math.random() * 10000);
            //这里的id不重复即可
            Inline inline = imagePart.createImageInline("image", "image", id, id * 2, false);
    
            Drawing drawing = factory.createDrawing();
            drawing.getAnchorOrInline().add(inline);
    
            R r = factory.createR();
            r.getContent().add(drawing);
    
            P p = factory.createP();
            p.getContent().add(r);
    
            return p;
        }
    
        /** * 创建页眉 * * @param word * @return * @throws Exception */
        public static HeaderPart createHeader(
                WordprocessingMLPackage word) throws Exception { 
            HeaderPart headerPart = new HeaderPart();
            Relationship rel = word.getMainDocumentPart().addTargetPart(headerPart);
            createHeaderReference(word, rel);
            return headerPart;
        }
    
        /** * 创建页眉引用关系 * * @param word * @param relationship * @throws InvalidFormatException */
        public static void createHeaderReference(
                WordprocessingMLPackage word,
                Relationship relationship )
                throws InvalidFormatException { 
            List<SectionWrapper> sections = word.getDocumentModel().getSections();
    
            SectPr sectPr = sections.get(sections.size() - 1).getSectPr();
            // There is always a section wrapper, but it might not contain a sectPr
            if (sectPr==null ) { 
                sectPr = factory.createSectPr();
                word.getMainDocumentPart().addObject(sectPr);
                sections.get(sections.size() - 1).setSectPr(sectPr);
            }
            HeaderReference headerReference = factory.createHeaderReference();
            headerReference.setId(relationship.getId());
            headerReference.setType(HdrFtrRef.DEFAULT);
            sectPr.getEGHdrFtrReferences().add(headerReference);
        }
    
        /** * 创建页脚 * * @param word * @return * @throws Exception */
        public static FooterPart createFooter(WordprocessingMLPackage word) throws Exception { 
            FooterPart footerPart = new FooterPart();
            Relationship rel = word.getMainDocumentPart().addTargetPart(footerPart);
            createFooterReference(word, rel);
            return footerPart;
        }
    
        /** * 创建页脚引用关系 * * @param word * @param relationship * @throws InvalidFormatException */
        public static void createFooterReference(
                WordprocessingMLPackage word,
                Relationship relationship )
                throws InvalidFormatException { 
            List<SectionWrapper> sections = word.getDocumentModel().getSections();
    
            SectPr sectPr = sections.get(sections.size() - 1).getSectPr();
            // There is always a section wrapper, but it might not contain a sectPr
            if (sectPr==null ) { 
                sectPr = factory.createSectPr();
                word.getMainDocumentPart().addObject(sectPr);
                sections.get(sections.size() - 1).setSectPr(sectPr);
            }
            FooterReference footerReference = factory.createFooterReference();
            footerReference.setId(relationship.getId());
            footerReference.setType(HdrFtrRef.DEFAULT);
            sectPr.getEGHdrFtrReferences().add(footerReference);
        }
    }

[- v3.2.2]: https://github.com/plutext/docx4j/tree/docx4j-3.2.2/src/samples/docx4j/org/docx4j/samples