js剪切板
来自:http://i.cnblogs.com/EditPosts.aspx?postid=5405345
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <script src="lib/jquery-1.6.4.min.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready( function(){ $("#show_clipbrd").click(function(){ if($.browser.msie){ ie_Show(); }else{ ff_show(); } }); $("#set_clipbrd").click(function(){ if($.browser.msie){ ie_set(); }else{ ff_set(); } }); } ); function ie_Show() { //得到剪贴板的内容 var str1=window.clipboardData.getData("text"); alert(str1); } function ff_show() { netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect'); var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard); if (!clip) return; var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable); if (!trans) return; trans.addDataFlavor('text/unicode'); clip.getData(trans, clip.kGlobalClipboard); var str = new Object(); var len = new Object(); try { trans.getTransferData('text/unicode', str, len); } catch(error) { return null; } if (str) { if (Components.interfaces.nsISupportsWString) str = str.value.QueryInterface(Components.interfaces.nsISupportsWString); else if (Components.interfaces.nsISupportsString) str = str.value.QueryInterface(Components.interfaces.nsISupportsString); else str = null; } if (str) { alert(str.data.substring(0, len.value / 2)); return (str.data.substring(0, len.value / 2)); } return null; } function ie_set(){ //显示剪贴板的内容是text类型的,给剪贴板的赋值为后面的字符串 var str1=window.clipboardData.setData("text","<strong>my name is huangbiao</strong>"); alert(window.clipboardData.getData("text")); } function ff_set(){ //将copy变量的值放到内存当中去 var copy="<strong>my name is huangbiao</strong>"; netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect'); var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard); if (!clip) return; var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable); if (!trans) return; trans.addDataFlavor('text/unicode'); var str = new Object(); var len = new Object(); var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString); var copytext = copy; str.data = copytext; trans.setTransferData("text/unicode", str, copytext.length * 2); var clipid = Components.interfaces.nsIClipboard; if (!clip) return false; clip.setData(trans, null, clipid.kGlobalClipboard); alert("copy的信息为(可以用ctrl + v测试) :"+copy); } </script> <title>浏览器访问剪贴板</title> </head> <body> <div> <span>在IE中是对外有接口的,可以通过window.clipboardData对象得到剪贴板的内容,这样就容易导致开发人员在后台写一个程序记录用户剪贴板的内容,这样可以把海量的数据集中起来做数据挖掘,这个对用户的安全来说是很可怕的,因此在访问的时候会提示用户是否允许访问剪贴板的内容。 </span> </div><br> <div> <span> 在IE意外的浏览器是不允许访问剪贴板内容的,只有拒绝才是最安全的,所以在火狐等其他浏览器中不能通过window.clipboardData对象来访问剪贴板的内容 </span> </div> <button id="show_clipbrd">显示剪贴板的内容</button> <button id="set_clipbrd">给剪贴板设置信息</button> </body> </html>