document.body.oncopy=function(){
event.returnValue=false;
var t = document.selection.createRange().text;
var sCopy = "原文地址：" + location.href;
clipboardData.setData('Text','\r\n\r\n' + t + '\r\n' + sCopy + '\r\n');
}
document.body.oncopy = function () { setTimeout( function () { var text = clipboardData.getData("text"); if (text) { text = text + "\r\n全文：" + location.href; clipboardData.setData("text", text); } }, 100 ) }