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准备工作：下载jacob相关包及dll文件(dll文件放system32下)

这里不让发附件  需要上面jar包和dll文件的去我的资源里面下载吧  传送门

package test;</p> <p>import com.jacob.activeX.ActiveXComponent;<br /> import com.jacob.com.Dispatch;<br /> import com.jacob.com.Variant;<br /> import com.jacob.com.ComThread;</p> <p>public class WordInsertPicture {</p> <p> public WordInsertPicture() {<br /> }</p> <p> // 声明一个静态的类实例化对象<br /> private static WordInsertPicture instance;<br /> // 声明word文档对象<br /> private Dispatch doc = null;<br /> // 声明word文档当前活动视窗对象<br /> private Dispatch activeWindow = null;<br /> // 声明word文档选定区域或插入点对象<br /> private Dispatch docSelection = null;<br /> // 声明所有word文档集合对象<br /> private Dispatch wrdDocs = null;<br /> // 声明word文档名称对象<br /> private String fileName;<br /> // 声明ActiveX组件对象：word.Application,Excel.Application,Powerpoint.Application等等<br /> private ActiveXComponent wrdCom;</p> <p> /**<br /> * 获取Word操作静态实例对象<br /> *<br /> * @return 报表汇总业务操作<br /> */<br /> public final static synchronized WordInsertPicture getInstance() {<br /> if (instance == null)<br /> instance = new WordInsertPicture();<br /> return instance;<br /> }</p> <p> /**<br /> * 初始化Word对象<br /> *<br /> * @return 是否初始化成功<br /> */<br /> public boolean initWordObj() {<br /> boolean retFlag = false;<br /> ComThread.InitSTA();// 初始化com的线程，非常重要！！使用结束后要调用 realease方法<br /> wrdCom = new ActiveXComponent("Word.Application");// 实例化ActiveX组件对象：对word进行操作<br /> try {<br /> /*<br /> * 返回wrdCom.Documents的Dispatch<br /> * 获取Dispatch的Documents对象，可以把每个Dispatch对象看成是对Activex控件的一个操作<br /> * 这一步是获得该ActiveX控件的控制权。<br /> */<br /> wrdDocs = wrdCom.getProperty("Documents").toDispatch();<br /> // 设置打开的word应用程序是否可见<br /> wrdCom.setProperty("Visible", new Variant(false));<br /> retFlag = true;<br /> } catch (Exception e) {<br /> retFlag = false;<br /> e.printStackTrace();<br /> }<br /> return retFlag;<br /> }</p> <p> /**<br /> * 创建一个新的word文档<br /> *<br /> */<br /> public void createNewDocument() {<br /> // 创建一个新的文档<br /> doc = Dispatch.call(wrdDocs, "Add").toDispatch();<br /> // 获得当前word文档文本<br /> docSelection = Dispatch.get(wrdCom, "Selection").toDispatch();<br /> }</p> <p> /**<br /> * 取得活动窗体对象<br /> *<br /> */<br /> public void getActiveWindow() {<br /> // 获得活动窗体对象<br /> activeWindow = wrdCom.getProperty("ActiveWindow").toDispatch();<br /> }</p> <p> /**<br /> * 打开一个已存在的文档<br /> *<br /> * @param docPath<br /> */<br /> public void openDocument(String docPath) {<br /> if (this.doc != null) {<br /> this.closeDocument();<br /> }<br /> this.doc = Dispatch.call(wrdDocs, "Open", docPath).toDispatch();<br /> this.docSelection = Dispatch.get(wrdCom, "Selection").toDispatch();<br /> }</p> <p> /**<br /> * 关闭当前word文档<br /> *<br /> */<br /> public void closeDocument() {<br /> if (this.doc != null) {<br /> Dispatch.call(this.doc, "Save");<br /> Dispatch.call(this.doc, "Close", new Variant(true));<br /> this.doc = null;<br /> }<br /> }</p> <p> /**<br /> * 文档设置图片水印<br /> *<br /> * @param waterMarkPath<br /> * 水印路径<br /> */<br /> public void setWaterMark(String waterMarkPath) {<br /> // 取得活动窗格对象<br /> Dispatch activePan = Dispatch.get(this.activeWindow, "ActivePane")<br /> .toDispatch();<br /> // 取得视窗对象<br /> Dispatch view = Dispatch.get(activePan, "View").toDispatch();<br /> // 打开页眉，值为9，页脚为10<br /> Dispatch.put(view, "SeekView", new Variant(9));<br /> // 获取页眉和页脚<br /> Dispatch headfooter = Dispatch.get(this.docSelection, "HeaderFooter")<br /> .toDispatch();<br /> // 获取水印图形对象<br /> Dispatch shapes = Dispatch.get(headfooter, "Shapes").toDispatch();<br /> // 给文档全部加上水印,设置了水印效果，内容，字体，大小，是否加粗，是否斜体，左边距，上边距。<br /> // 调用shapes对象的AddPicture方法将全路径为picname的图片插入当前文档<br /> Dispatch picture = Dispatch.call(shapes, "AddPicture", waterMarkPath)<br /> .toDispatch();<br /> // 选择当前word文档的水印<br /> Dispatch.call(picture, "Select");<br /> Dispatch.put(picture, "Left", new Variant(0));<br /> Dispatch.put(picture, "Top", new Variant(150));<br /> Dispatch.put(picture, "Width", new Variant(150));<br /> Dispatch.put(picture, "Height", new Variant(280));</p> <p> // 关闭页眉<br /> Dispatch.put(view, "SeekView", new Variant(0));<br /> }</p> <p> /**<br /> * 关闭Word资源<br /> *<br /> *<br /> */<br /> public void closeWordObj() {<br /> // 关闭word文件<br /> wrdCom.invoke("Quit", new Variant[] {});<br /> // 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<br /> ComThread.Release();<br /> }</p> <p> /**<br /> * 得到文件名<br /> *<br /> * @return .<br /> */<br /> public String getFileName() {<br /> return fileName;<br /> }</p> <p> /**<br /> * 设置文件名<br /> *<br /> * @param fileName<br /> * .<br /> */<br /> public void setFileName(String fileName) {<br /> this.fileName = fileName;<br /> }</p> <p> /**<br /> * 开始为word文档添加水印<br /> *<br /> * @param wordPath<br /> * word文档的路径<br /> * @param waterMarkPath<br /> * 添加的水印图片路径<br /> * @return 是否成功添加<br /> */<br /> public boolean addWaterMark(String wordPath, String waterMarkPath) {<br /> try {<br /> if (initWordObj()) {<br /> openDocument(wordPath);<br /> getActiveWindow();<br /> setWaterMark(waterMarkPath);<br /> closeDocument();<br /> closeWordObj();<br /> return true;</p> <p> } else<br /> return false;<br /> } catch (Exception e) {<br /> e.printStackTrace();<br /> closeDocument();<br /> closeWordObj();<br /> return false;<br /> }<br /> }</p> <p> /**<br /> * 测试功能<br /> *<br /> */<br /> public static void main(String[] argv) {<br /> WordInsertPicture wordObj = WordInsertPicture.getInstance();<br /> wordObj.addWaterMark("c://1.doc", "c://picture.png");<br /> }<br /> }<br />