实验环境：POI3.7+Word2007

Word模板：

替换后效果：

代码：

1、入口文件

public class Test {  

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

        Map<String, Object> param = new HashMap<String, Object>();

        param.put("${name}", "huangqiqing");

        param.put("${zhuanye}", "信息管理与信息系统");

        param.put("${sex}", "男");

        param.put("${school_name}", "山东财经大学");

        param.put("${date}", new Date().toString());  

        Map<String,Object> header = new HashMap<String, Object>();

        header.put("width", 100);

        header.put("height", 150);

        header.put("type", "jpg");

        header.put("content", WordUtil.inputStream2ByteArray(new FileInputStream("c:\\new.jpg"), true));

        param.put("${header}",header);  

        Map<String,Object> twocode = new HashMap<String, Object>();

        twocode.put("width", 100);

        twocode.put("height", 100);

        twocode.put("type", "png");

        twocode.put("content", ZxingEncoderHandler.getTwoCodeByteArray("测试二维码,huangqiqing", 100,100));

        param.put("${twocode}",twocode);  

        CustomXWPFDocument doc = WordUtil.generateWord(param, "c:\\1.docx");

        FileOutputStream fopts = new FileOutputStream("c:/2.docx");

        doc.write(fopts);

        fopts.close();

    }

}

2、封装的工具类WordUtil.java

package test1;  

import java.io.ByteArrayInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import org.apache.poi.POIXMLDocument;

import org.apache.poi.openxml4j.opc.OPCPackage;

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

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

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

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

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

/**

 * 适用于word 2007

 * poi 版本 3.7

 */

public class 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

     */

    public static CustomXWPFDocument generateWord(Map<String, Object> param, String template) {

        CustomXWPFDocument doc = null;

        try {

            OPCPackage pack = POIXMLDocument.openPackage(template);

            doc = new CustomXWPFDocument(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();

        }

        return doc;

    }

    /**

     * 处理段落

     * @param paragraphList

     */

    public static 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();

                for (XWPFRun run : runs) {

                    String text = run.getText(0);

                    if(text != null){

                        boolean isSetText = 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 instanceof String) {//文本替换

                                    text = text.replace(key, value.toString());

                                } else if (value instanceof Map) {//图片替换

                                    text = text.replace(key, "");

                                    Map pic = (Map)value;

                                    int width = Integer.parseInt(pic.get("width").toString());

                                    int height = Integer.parseInt(pic.get("height").toString());

                                    int picType = getPictureType(pic.get("type").toString());

                                    byte[] byteArray = (byte[]) pic.get("content");

                                    ByteArrayInputStream byteInputStream = new ByteArrayInputStream(byteArray);

                                    try {

                                        int ind = doc.addPicture(byteInputStream,picType);

                                        doc.createPicture(ind, width , height,paragraph);

                                    } catch (Exception e) {

                                        e.printStackTrace();

                                    }

                                }

                            }

                        }

                        if(isSetText){

                            run.setText(text,0);

                        }

                    }

                }

            }

        }

    }

    /**

     * 根据图片类型，取得对应的图片类型代码

     * @param picType

     * @return int

     */

    private static int getPictureType(String picType){

        int res = CustomXWPFDocument.PICTURE_TYPE_PICT;

        if(picType != null){

            if(picType.equalsIgnoreCase("png")){

                res = CustomXWPFDocument.PICTURE_TYPE_PNG;

            }else if(picType.equalsIgnoreCase("dib")){

                res = CustomXWPFDocument.PICTURE_TYPE_DIB;

            }else if(picType.equalsIgnoreCase("emf")){

                res = CustomXWPFDocument.PICTURE_TYPE_EMF;

            }else if(picType.equalsIgnoreCase("jpg") || picType.equalsIgnoreCase("jpeg")){

                res = CustomXWPFDocument.PICTURE_TYPE_JPEG;

            }else if(picType.equalsIgnoreCase("wmf")){

                res = CustomXWPFDocument.PICTURE_TYPE_WMF;

            }

        }

        return res;

    }

    /**

     * 将输入流中的数据写入字节数组

     * @param in

     * @return

     */

    public static byte[] inputStream2ByteArray(InputStream in,boolean isClose){

        byte[] byteArray = null;

        try {

            int total = in.available();

            byteArray = new byte[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");

                }

            }

        }

        return byteArray;

    }

}

3、重写的类 CustomXWPFDocument

package test1;    

import java.io.IOException;

import java.io.InputStream;

import org.apache.poi.openxml4j.opc.OPCPackage;

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

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

import org.apache.xmlbeans.XmlException;

import org.apache.xmlbeans.XmlToken;

import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;

import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;

import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;  

/**

 * 自定义 XWPFDocument，并重写 createPicture()方法

 */

public class CustomXWPFDocument extends XWPFDocument {

    public CustomXWPFDocument(InputStream in) throws IOException {

        super(in);

    }    

    public CustomXWPFDocument() {

        super();

    }    

    public CustomXWPFDocument(OPCPackage pkg) throws IOException {

        super(pkg);

    }    

    /**

     * @param id

     * @param width 宽

     * @param height 高

     * @param paragraph  段落

     */

    public void createPicture(int id, int width, int height,XWPFParagraph paragraph) {

        final int 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");

    }

}

本文转自：http://blog.csdn.net/jeff2007/article/details/43308309

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