Java 实现 word文件添加 图片水印 jacob.jar

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComThread;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.openxmlformats.schemas.presentationml.x2006.main.CTBackground;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;


public final class WaterMarkUtilOffice {

    public WaterMarkUtilOffice() {}
    private static WaterMarkUtilOffice instance;
    private Dispatch aDoc = null;//用于存储一个文档：比如新增一个文档时返回，新增的文档
    private Dispatch activeWindow = null;//当前活动窗口
    private Dispatch docSelection = null;//存储当前被选中文档
    private Dispatch wordDocs = null;//存储所有的文档
    private String fileName;
    private ActiveXComponent wordApp;//Word对象
    public final static synchronized WaterMarkUtilOffice getInstance() {
        if (instance == null){
            instance = new WaterMarkUtilOffice();
        }
        return instance;
    }


    /*** 初始化Word对象*/
    public boolean initWordApp() {
        boolean retFlag = false;
        //初始化com线程【相当于打开冰箱门，准备放大箱】
        //使用结束后要调用 realease方法关闭线程【相当于关上冰箱门】
        ComThread.InitSTA();
        wordApp = new ActiveXComponent("Word.Application");// 初始化word应用程序，初始化表格是：Excel.Application
        try {
            wordApp.setProperty("Visible", new Variant(false));//配置启动word时是显示执行还是隐式执行
            wordDocs = wordApp.getProperty("Documents").toDispatch();// 获取word所有文档对象
            retFlag = true;
        } catch (Exception e) {
            retFlag = false;
            e.printStackTrace();
        }
        return retFlag;
    }


    /**打开一个已存在的文档*/
    public void openDocument(String docPath) {
        if (this.aDoc != null) {
            this.closeDocument();
        }
        aDoc = Dispatch.call(wordDocs,"Open",new Variant(docPath)).toDispatch();//docPath要打开的文档的详细地址
        docSelection = Dispatch.get(wordApp, "Selection").toDispatch();//获得该文档对象，并返回
    }


    /** 取得活动窗体对象*/
    public void getActiveWindow() {
        activeWindow = wordApp.getProperty("ActiveWindow").toDispatch();// 取得活动窗体对象
    }


    /***创建一个新的word文档*/
    public void createNewDocument() {
        aDoc = Dispatch.call(wordDocs, "Add").toDispatch();//创建一个新的word文档,并返回
        docSelection = Dispatch.get(wordApp, "Selection").toDispatch();//获得该文档对象，并返回
    }


    /*** 保存并关闭当前word文档*/
    public void closeDocument() {
        if (aDoc != null) {
            Dispatch.call(aDoc, "Save");//保存
            Dispatch.call(aDoc, "Close", new Variant(0));//关闭
            aDoc = null;
        }
    }


    /*** 关闭Word资源*/
    public void closeWordObj() {
        wordApp.invoke("Quit", new Variant[] {});// 关闭word文件
        ComThread.Release();// 释放com线程。根据jacob的帮助文档，com的线程回收不由java的垃圾回收器处理
    }


    /**
     * 插入图片
     * @param pages 总页数
     * @param imgPath 图片路径
     * @param left 距离左上角位置
     * @param top 距离上角位置
     */
    public void setImages(int pages,String imgPath,int left,int top){
        for(int i = 0; i < pages;i++){
            Dispatch selection = Dispatch.get(wordApp, "Selection").toDispatch();
            Dispatch inLineShapes = Dispatch.get(selection, "InLineShapes").toDispatch();
            Dispatch picture = Dispatch.call(inLineShapes, "AddPicture", imgPath).toDispatch();
            //选中图片
            Dispatch.call(picture, "Select");
            //设置宽度高度
            Dispatch.put(picture, "Width", new Variant(100));
            Dispatch.put(picture, "Height", new Variant(100));
            //设置图片相对左上角偏移位置
            selection = Dispatch.get(wordApp, "Selection").toDispatch();
            Dispatch shapeRange = Dispatch.get(selection, "ShapeRange").toDispatch();
            Dispatch.put(shapeRange, "Left", new Variant(left));
            Dispatch.put(shapeRange, "Top", new Variant(top));


            //翻到下一页
            Dispatch browser = Dispatch.get(wordApp, "Browser").toDispatch();
            Dispatch.call(browser, "Next");
        }
    }


    /**
     * 设置页眉
     * @param headerStr
     */
    public void setHeader(String headerStr) {
        Dispatch activePane = Dispatch.get(activeWindow, "ActivePane").toDispatch();// 活动窗格
        Dispatch view = Dispatch.get(activePane, "View").toDispatch();// 视窗对象


        Dispatch.put(view, "SeekView", new Variant(9));// 打开页眉，值为9，页脚值为10
        Dispatch headerfooter = Dispatch.get(docSelection, "HeaderFooter").toDispatch();// 获取页眉和页脚


        Dispatch range = Dispatch.get(headerfooter, "Range").toDispatch();//页眉赋值
        Dispatch.put(range, "Text", new Variant(headerStr));


        Dispatch font = Dispatch.get(range, "Font").toDispatch();//设置字体
        Dispatch.put(font, "Name", new Variant("微软雅黑"));
        Dispatch.put(font, "Bold", new Variant(true));
        Dispatch.put(font, "Size", 20);
        Dispatch.put(font, "Color", Integer.valueOf("0000FF",16).toString());//颜色是16进制倒着写，然后转10进制


        Dispatch.put(view, "SeekView", new Variant(0)); //0表示恢复视图;
    }




    /** 文档设置图片水印,waterPic水印图片路径*/
    public void setWaterPic(String waterPic) {
        Dispatch activePane = Dispatch.get(activeWindow, "ActivePane").toDispatch();// 活动窗格
        Dispatch view = Dispatch.get(activePane, "View").toDispatch();// 视窗对象


        Dispatch.put(view, "SeekView", new Variant(9));// 打开页眉，值为9，页脚值为10
        Dispatch headerfooter = Dispatch.get(docSelection, "HeaderFooter").toDispatch();// 获取页眉和页脚


        Dispatch shapes = Dispatch.get(headerfooter, "Shapes").toDispatch();// 获取水印图形对象


        //调用shapes对象的AddPicture方法将图片插入当前文档
        Dispatch picture  = Dispatch.call(shapes,"AddPicture",waterPic).toDispatch();


        Dispatch.call(picture, "Select");//选择当前word文档的图片水印


        Dispatch.put(picture, "Left", new Variant(30));//设置图片水印参数
        Dispatch.put(picture, "Top", new Variant(150));
//        Dispatch.put(picture, "LockAspectRatio", new Boolean(true));//调整大小时保持其长宽比例不变
//        Dispatch.put(picture, "Width", new Variant(120));
//        Dispatch.put(picture, "Height", new Variant(90));


        Dispatch.put(view, "SeekView", new Variant(0));//关闭页眉，0表示恢复视图;
    }


    /** 文档设置文字水印--实质是设置页眉，将文字转为艺术字图片*/
    public void setWaterMark(String waterMarkStr) {
        Dispatch activePane = Dispatch.get(activeWindow, "ActivePane").toDispatch();// 活动窗格
        Dispatch view = Dispatch.get(activePane, "View").toDispatch();// 视窗对象


        Dispatch.put(view, "SeekView", new Variant(9));// 打开页眉，值为9，页脚值为10
        Dispatch headerfooter = Dispatch.get(docSelection, "HeaderFooter").toDispatch();// 获取页眉和页脚


        Dispatch shapes = Dispatch.get(headerfooter, "Shapes").toDispatch();// 获取水印图形对象


        /**插入文字，并转为图片：
         * 操作对象、方法、艺术字格式[0白色、1黑左下右上，2黑中上两下、3黑中小两大、4黑竖排、5黑中下两上]
         * 水印内容、字体、字体大小、字体是否粗体、字体是否斜体
         * 左边距、上边距
         */
        Dispatch selection = Dispatch.call(shapes, "AddTextEffect",new Variant(0),
                waterMarkStr, "微软雅黑", new Variant(10),new Variant(true), new Variant(false),
                new Variant(150),new Variant(250)).toDispatch();


        //选中当前文档水印
        Dispatch.call(selection, "Select");
        Dispatch shapeRange = Dispatch.get(docSelection, "ShapeRange").toDispatch();


        /**
         * 设置水印透明度和颜色
         */
        Dispatch.put(shapeRange, "Name", "PowerPlusWaterMarkObject6");
        Dispatch textEffect = Dispatch.get(shapeRange, "TextEffect").toDispatch();
        Dispatch.put(textEffect, "NormalizedHeight", new Boolean(false));


        Dispatch line = Dispatch.get(shapeRange, "Line").toDispatch();
        Dispatch.put(line, "Visible", new Boolean(false));


        Dispatch fill = Dispatch.get(shapeRange, "Fill").toDispatch();
        Dispatch.put(fill, "Visible", new Boolean(true));
        Dispatch.put(fill, "Transparency", new Variant(0.1));// 设置水印透明度


        Dispatch foreColor = Dispatch.get(fill, "ForeColor").toDispatch();
        Dispatch.put(foreColor, "RGB", new Variant(255));// 设置水印颜色


        Dispatch.call(fill, "Solid");


        /**
         * 设置水印旋转角度、水印大小
         */
        Dispatch.put(shapeRange, "Rotation", new Variant(0));//旋转角度
        Dispatch.put(shapeRange, "LockAspectRatio", new Boolean(true));//调整大小时保持其长宽比例不变
        Dispatch.put(shapeRange, "Height", new Variant(10));//高
        Dispatch.put(shapeRange, "Width", new Variant(40));//宽
        Dispatch.put(shapeRange, "Left", new Variant(160));
        Dispatch.put(shapeRange, "Top", new Variant(270));


        Dispatch.put(view, "SeekView", new Variant(0));//0表示恢复视图;
    }


    public String getFileName() {
        return fileName;
    }
    public void setFileName(String fileName) {
        this.fileName = fileName;
    }


    //测试功能
    public static void main(String[] argv) {
        WaterMarkUtilOffice d = WaterMarkUtilOffice.getInstance();
        try {
            if (d.initWordApp()) {
                d.openDocument("d:"+ File.separator+"11.docx");
                d.getActiveWindow();


                String imgPath="d:"+ File.separator+"small1.png";
                d.setWaterPic(imgPath);//页中图片
                d.closeDocument();
            } else{
                System.out.println("初始化Word读写对象失败！");
            }
        } catch (Exception e) {
            System.out.println(e);
        }finally{
            d.closeWordObj();
        }
    }
}