一、自定义重写poi中的方法：
[1].[文件] CustomXWPFDocument.java ~ 4KB
importjava.io.IOException;
importjava.io.InputStream;
importorg.apache.poi.openxml4j.opc.OPCPackage;
importorg.apache.poi.xwpf.usermodel.XWPFDocument;
importorg.apache.poi.xwpf.usermodel.XWPFParagraph;
importorg.apache.xmlbeans.XmlException;
importorg.apache.xmlbeans.XmlToken;
importorg.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
importorg.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
importorg.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;
/**
* 自定义 XWPFDocument，并重写 createPicture()方法
*/
publicclass CustomXWPFDocument extendsXWPFDocument {
publicCustomXWPFDocument(InputStream in) throwsIOException {
super(in);
}
publicCustomXWPFDocument() {
super();
}
publicCustomXWPFDocument(OPCPackage pkg) throwsIOException {
super(pkg);
}
/**
* @param id
* @param width 宽
* @param height 高
* @param paragraph 段落
*/
publicvoid createPicture(intid, intwidth, intheight,XWPFParagraph paragraph) {
finalint EMU = 9525;
width *= EMU;
height *= EMU;
String blipId = getAllPictures().get(id).getPackageRelationship().getId();
CTInline inline = paragraph.createRun().getCTR().addNewDrawing().addNewInline();
String picXml = ""
+"<a:graphic xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\">"
+" <a:graphicData uri=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
+" <pic:pic xmlns:pic=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
+" <pic:nvPicPr>" + " <pic:cNvPr id=\""
+ id
+"\" name=\"Generated\"/>"
+" <pic:cNvPicPr/>"
+" </pic:nvPicPr>"
+" <pic:blipFill>"
+" <a:blip r:embed=\""
+ blipId
+"\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\"/>"
+" <a:stretch>"
+" <a:fillRect/>"
+" </a:stretch>"
+" </pic:blipFill>"
+" <pic:spPr>"
+" <a:xfrm>"
+" <a:off x=\"0\" y=\"0\"/>"
+" <a:ext cx=\""
+ width
+"\" cy=\""
+ height
+"\"/>"
+" </a:xfrm>"
+" <a:prstGeom prst=\"rect\">"
+" <a:avLst/>"
+" </a:prstGeom>"
+" </pic:spPr>"
+" </pic:pic>"
+" </a:graphicData>" + "</a:graphic>";
inline.addNewGraphic().addNewGraphicData();
XmlToken xmlToken = null;
try{
xmlToken = XmlToken.Factory.parse(picXml);
}catch(XmlException xe) {
xe.printStackTrace();
}
inline.set(xmlToken);
inline.setDistT(0);
inline.setDistB(0);
inline.setDistL(0);
inline.setDistR(0);
CTPositiveSize2D extent = inline.addNewExtent();
extent.setCx(width);
extent.setCy(height);
CTNonVisualDrawingProps docPr = inline.addNewDocPr();
docPr.setId(id);
docPr.setName("图片"+ id);
docPr.setDescr("测试");
}
}
[2].[文件] WordUtil.java ~ 7KB
importjava.io.ByteArrayInputStream;
importjava.io.IOException;
importjava.io.InputStream;
importjava.util.Iterator;
importjava.util.List;
importjava.util.Map;
importjava.util.Map.Entry;
importorg.apache.poi.POIXMLDocument;
importorg.apache.poi.openxml4j.opc.OPCPackage;
importorg.apache.poi.xwpf.usermodel.XWPFParagraph;
importorg.apache.poi.xwpf.usermodel.XWPFRun;
importorg.apache.poi.xwpf.usermodel.XWPFTable;
importorg.apache.poi.xwpf.usermodel.XWPFTableCell;
importorg.apache.poi.xwpf.usermodel.XWPFTableRow;
publicclass WordUtil {
/**
* 根据指定的参数值、模板，生成 word 文档
* @param param 需要替换的变量
* @param template 模板
*/
publicstatic CustomXWPFDocument generateWord(Map<String, Object> param, String template) {
CustomXWPFDocument doc = null;
try{
OPCPackage pack = POIXMLDocument.openPackage(template);
doc = newCustomXWPFDocument(pack);
if(param != null&& param.size() > 0) {
//处理段落
List<XWPFParagraph> paragraphList = doc.getParagraphs();
processParagraphs(paragraphList, param, doc);
//处理表格
Iterator<XWPFTable> it = doc.getTablesIterator();
while(it.hasNext()) {
XWPFTable table = it.next();
List<XWPFTableRow> rows = table.getRows();
for(XWPFTableRow row : rows) {
List<XWPFTableCell> cells = row.getTableCells();
for(XWPFTableCell cell : cells) {
List<XWPFParagraph> paragraphListTable = cell.getParagraphs();
processParagraphs(paragraphListTable, param, doc);
}
}
}
}
}catch(Exception e) {
e.printStackTrace();
}
returndoc;
}
/**
* 处理段落
* @param paragraphList
*/
publicstatic void processParagraphs(List<XWPFParagraph> paragraphList,Map<String, Object> param,CustomXWPFDocument doc){
if(paragraphList != null&& paragraphList.size() > 0){
for(XWPFParagraph paragraph:paragraphList){
List<XWPFRun> runs = paragraph.getRuns();
String text = "";
for(XWPFRun run : runs)
text += run.getText(0);
// System.out.println(runs);
if(text != null){
booleanisSetText = false;
for(Entry<String, Object> entry : param.entrySet()) {
String key = entry.getKey();
if(text.indexOf(key) != -1){
isSetText = true;
Object value = entry.getValue();
if(value instanceofString) {//文本替换
text = text.replace(key, value.toString());
}elseif (value instanceofMap) {//图片替换
text = text.replace(key, "");
Map pic = (Map)value;
intwidth = Integer.parseInt(pic.get("width").toString());
intheight = Integer.parseInt(pic.get("height").toString());
intpicType = getPictureType(pic.get("type").toString());
byte[] byteArray = (byte[]) pic.get("content");
ByteArrayInputStream byteInputStream = newByteArrayInputStream(byteArray);
try{
intind = doc.addPicture(byteInputStream,picType);
doc.createPicture(ind, width , height,paragraph);
System.out.println("图片替换");
}catch(Exception e) {
e.printStackTrace();
}
}
}
}
if(isSetText){
intflag = 1;
for(XWPFRun run : runs){
if(flag--==1)
run.setText(text,0);
else
run.setText("",0);
}
}
}
}
}
}
/**
* 根据图片类型，取得对应的图片类型代码
* @param picType
* @return int
*/
privatestatic int getPictureType(String picType){
intres = CustomXWPFDocument.PICTURE_TYPE_PICT;
if(picType != null){
if(picType.equalsIgnoreCase("png")){
res = CustomXWPFDocument.PICTURE_TYPE_PNG;
}elseif(picType.equalsIgnoreCase("dib")){
res = CustomXWPFDocument.PICTURE_TYPE_DIB;
}elseif(picType.equalsIgnoreCase("emf")){
res = CustomXWPFDocument.PICTURE_TYPE_EMF;
}elseif(picType.equalsIgnoreCase("jpg") || picType.equalsIgnoreCase("jpeg")){
res = CustomXWPFDocument.PICTURE_TYPE_JPEG;
}elseif(picType.equalsIgnoreCase("wmf")){
res = CustomXWPFDocument.PICTURE_TYPE_WMF;
}
}
returnres;
}
/**
* 将输入流中的数据写入字节数组
* @param in
* @return
*/
publicstatic byte[] inputStream2ByteArray(InputStream in,booleanisClose){
byte[] byteArray = null;
try{
inttotal = in.available();
byteArray = newbyte[total];
in.read(byteArray);
}catch(IOException e) {
e.printStackTrace();
}finally{
if(isClose){
try{
in.close();
}catch(Exception e2) {
System.out.println("关闭流失败");
}
}
}
returnbyteArray;
}
}
[3].[文件] Test.java ~ 2KB
importjava.io.FileInputStream;
importjava.io.FileOutputStream;
importjava.util.HashMap;
importjava.util.Map;
publicclass Test {
publicstatic void main(String[] args) throwsException {
Map<String, Object> param = newHashMap<String, Object>();
Map<String,Object> header = newHashMap<String, Object>();
header.put("width",400);
header.put("height",150);
header.put("type","jpg");
header.put("content", WordUtil.inputStream2ByteArray(newFileInputStream("C:\\new.jpg"),true));
param.put("${img1}",header);
Map<String,Object> header2 = newHashMap<String, Object>();
header2.put("width",400);
header2.put("height",150);
header2.put("type","jpg");
header2.put("content", WordUtil.inputStream2ByteArray(newFileInputStream("C:\\new.jpg"),true));
param.put("${img2}",header2);
param.put("${table1}","1");
param.put("${table2}","2");
param.put("${table5}","5");
param.put("${table3}","3");
param.put("${param1}","oschina1");
param.put("${param53}","oschina53");
CustomXWPFDocument doc = WordUtil.generateWord(param, "C:\\Users\\James\\Desktop\\docmodelreplaced333.docx");
FileOutputStream fopts = newFileOutputStream("C:\\Users\\James\\Desktop\\docmodelreplaced2.docx");
doc.write(fopts);
fopts.close();
}
}
