java 操作word文檔加圖片水印

package com.tomb.web.admin;
import com.jacob.activeX.ActiveXComponent;  
import com.jacob.com.Dispatch;  
import com.jacob.com.Variant;  
import com.jacob.com.ComThread;  

public class WordInsertPicture {
        public WordInsertPicture() {  
        }  
      
        // 聲明一個靜態的類實例化對象  
        private static WordInsertPicture instance;  
        // 聲明word文檔對象  
        private Dispatch doc = null;  
        // 聲明word文檔當前活動視窗對象  
        private Dispatch activeWindow = null;  
        // 聲明word文檔選定區域或插入點對象  
        private Dispatch docSelection = null;  
        // 聲明所有word文檔集合對象  
        private Dispatch wrdDocs = null;  
        // 聲明word文檔名稱對象  
        private String fileName;  
        // 聲明ActiveX組件對象：word.Application,Excel.Application,Powerpoint.Application等等  
        private ActiveXComponent wrdCom;  
      
        /**
         * 獲取Word操作靜態實例對象
         *  
         * @return 報表彙總業務操作
         */  
        public final static synchronized WordInsertPicture getInstance() {  
            if (instance == null)  
                instance = new WordInsertPicture();  
            return instance;  
        }  
      
        /**
         * 初始化Word對象
         *  
         * @return 是否初始化成功
         */  
        public boolean initWordObj() {  
            boolean retFlag = false;  
            ComThread.InitSTA();// 初始化com的線程，非常重要！！使用結束後要調用 realease方法  
            wrdCom = new ActiveXComponent("Word.Application");// 實例化ActiveX組件對象：對word進行操作  
            try {  
                /*
                 * 返回wrdCom.Documents的Dispatch
                 * 獲取Dispatch的Documents對象，可以把每個Dispatch對象看成是對Activex控件的一個操作
                 * 這一步是獲得該ActiveX控件的控制權。
                 */  
                wrdDocs = wrdCom.getProperty("Documents").toDispatch();  
                // 設置打開的word應用程序是否可見  
                wrdCom.setProperty("Visible", new Variant(false));  
                retFlag = true;  
            } catch (Exception e) {  
                retFlag = false;  
                e.printStackTrace();  
            }  
            return retFlag;  
        }  
      
        /**
         * 創建一個新的word文檔
         *  
         */  
        public void createNewDocument() {  
            // 創建一個新的文檔  
            doc = Dispatch.call(wrdDocs, "Add").toDispatch();  
            // 獲得當前word文檔文本  
            docSelection = Dispatch.get(wrdCom, "Selection").toDispatch();  
        }  
      
        /**
         * 取得活動窗體對象
         *  
         */  
        public void getActiveWindow() {  
            // 獲得活動窗體對象  
            activeWindow = wrdCom.getProperty("ActiveWindow").toDispatch();  
        }  
      
        /**
         * 打開一個已存在的文檔
         *  
         * @param docPath
         */  
        public void openDocument(String docPath) {  
            if (this.doc != null) {  
                this.closeDocument();  
            }  
            this.doc = Dispatch.call(wrdDocs, "Open", docPath).toDispatch();  
            this.docSelection = Dispatch.get(wrdCom, "Selection").toDispatch();  
        }  
      
        /**
         * 關閉當前word文檔
         *  
         */  
        public void closeDocument() {  
            if (this.doc != null) {  
                Dispatch.call(this.doc, "Save");  
                Dispatch.call(this.doc, "Close", new Variant(true));  
                this.doc = null;  
            }  
        }  
      
        /**
         * 文檔設置圖片水印
         *  
         * @param waterMarkPath
         *            水印路徑
         */  
        public void setWaterMark(String waterMarkPath) {  
            // 取得活動窗格對象  
            Dispatch activePan = Dispatch.get(this.activeWindow, "ActivePane")  
                    .toDispatch();  
            // 取得視窗對象  
            Dispatch view = Dispatch.get(activePan, "View").toDispatch();  
            // 打開頁眉，值爲9，頁腳爲10  
            Dispatch.put(view, "SeekView", new Variant(9));  
            // 獲取頁眉和頁腳  
            Dispatch headfooter = Dispatch.get(this.docSelection, "HeaderFooter")  
                    .toDispatch();  
            // 獲取水印圖形對象  
            Dispatch shapes = Dispatch.get(headfooter, "Shapes").toDispatch();  
            // 給文檔全部加上水印,設置了水印效果，內容，字體，大小，是否加粗，是否斜體，左邊距，上邊距。  
            // 調用shapes對象的AddPicture方法將全路徑爲picname的圖片插入當前文檔  
            Dispatch picture = Dispatch.call(shapes, "AddPicture", waterMarkPath)  
                    .toDispatch();  
            // 選擇當前word文檔的水印  
            Dispatch.call(picture, "Select");  
            Dispatch.put(picture, "Left", new Variant(0));  
            Dispatch.put(picture, "Top", new Variant(150));  
            Dispatch.put(picture, "Width", new Variant(150));  
            Dispatch.put(picture, "Height", new Variant(280));  
      
            // 關閉頁眉  
            Dispatch.put(view, "SeekView", new Variant(0));  
        }  
      
        /**
         * 關閉Word資源
         *  
         *  
         */  
        public void closeWordObj() {  
            // 關閉word文件  
            wrdCom.invoke("Quit", new Variant[] {});  
            // 釋放com線程。根據jacob的幫助文檔，com的線程回收不由java的垃圾回收器處理  
            ComThread.Release();  
        }  
      
        /**
         * 得到文件名
         *  
         * @return .
         */  
        public String getFileName() {  
            return fileName;  
        }  
      
        /**
         * 設置文件名
         *  
         * @param fileName
         *            .
         */  
        public void setFileName(String fileName) {  
            this.fileName = fileName;  
        }  
      
        /**
         * 開始爲word文檔添加水印
         *  
         * @param wordPath
         *            word文檔的路徑
         * @param waterMarkPath
         *            添加的水印圖片路徑
         * @return 是否成功添加
         */  
        public boolean addWaterMark(String wordPath, String waterMarkPath) {  
            try {  
                if (initWordObj()) {  
                    openDocument(wordPath);  
                    getActiveWindow();  
                    setWaterMark(waterMarkPath);  
                    closeDocument();  
                    closeWordObj();
                    return true;  
      
                } else  
                    return false;  
            } catch (Exception e) {  
                e.printStackTrace();  
                closeDocument();  
                closeWordObj();  
                return false;  
            }  
        }  
      
        /**
         * 測試功能
         *  
         */  
        public static void main(String[] argv) {  
            WordInsertPicture wordObj = WordInsertPicture.getInstance();  
            boolean aa =  wordObj.addWaterMark("f://1.docx", "f://b.png");
            System.out.println(aa);
        }  

}

jar包及dll文件下載地址：

點擊跳轉下載頁面

將下載好的文件中根據自己的操作系統選擇相應的dll版本，放在D:\Program Files\Java\jdk1.7.0_09\jre\bin目錄下，導入jar包即可。