javascript 相容IE和Firefox的複製到剪貼簿效果

來源:互聯網
上載者:User
關鍵字 網頁製作 Ajax JavaScript

<! 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>


<title>相容IE和Firefox的複製到剪貼簿效果</title>


<meta HTTP-equiv="content-type" content="text/html;charset=gb2312">


</head>


<body>


<!--把下面代碼加到<body>與</body>之間-->


<input type="text" id="copyValue" name="copyValue" value="www.zzsky.cn">


<input type="submit" value="複製到剪貼簿" onclick="copyToClipboard(document.getElementById('copyValue').value);" >


<script type="text/javascript">


function copyToClipboard(txt){


 //IE


 if(window.clipboardData){


  window.clipboardData.clearData();


window.clipboardData.setData("Text", txt);


  alert("IE複製成功! ");


 }


 //Firefox


 else if(window.netscape){


  try{


   netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");


  }catch(e){


   alert("被瀏覽器拒絕! n請在瀏覽器網址列輸入'about:config'並回車n然後將'signed.applets.codebase_principal_support'設置為'true'");


  }


  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 = txt;


  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("Firefox複製成功! ");


 }


}


</script>


</body>


</html>

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