document.body.oncopy = function () {
setTimeout( function () {
var text = clipboardData.getData("text");
if (text) {
text = text + "本文来自: (http://www.jrxinwen.com/house/2012/0813/714.html),转载请注明来源。";
clipboardData.setData("text", text);
}
}, 100 )
}