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浏览器兼容 copyToClipboard("拷贝内容")

时间:2016-08-17 16:45:48      阅读:662      评论:0      收藏:0      [点我收藏+]

function copyToClipboard(txt) {
  if (window.clipboardData) {
    window.clipboardData.clearData();
    clipboardData.setData("Text", txt);
    alert("复制成功!");

  } else if (navigator.userAgent.indexOf("Opera") != -1) {
    window.location = txt;
  } else if (window.netscape) {
    try {
      netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
    } catch (e) {
      alert("被浏览器拒绝!\n请在浏览器地址栏输入‘about:config‘并回车\n然后将 ‘signed.applets.codebase_principal_support‘设置为‘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("复制成功!");
  }
}

浏览器兼容 copyToClipboard("拷贝内容")

原文:http://www.cnblogs.com/xujiangli/p/5780600.html

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