function copy()
{
var text=document.getElementById("txtUser"
).value;
if(copy2Clipboard(text)!=
false)
{
alert("复制成功了！ "
);
}
}
function copy2Clipboard(txt)
{
if(window.clipboardData)
{
window.clipboardData.clearData();
window.clipboardData.setData("Text"
,txt);
}else if(navigator.userAgent.indexOf("Opera")!=-1
){
window.location=
txt;
}else if(window.netscape)
{
try
{
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"
);
}
catch(e){
alert("您使用的浏览器不支持此复制功能，请使用Ctrl+C或鼠标右键。"
);
return false;
}
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);
return true;
}
}
转载于:https://www.cnblogs.com/lizhaoyao/p/4748136.html
