Docx4j 简单操作文字图片（包含页眉页脚和主体内容）

docx4j官方提供了一些例子，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("http://www.mybatis.tk"));
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);
}
}