function addCopyright() {

    var Original = "本文来源：" + location.href; //修改你的网站名称

    if ("function" == typeof window.getSelection) {

        var c = window.getSelection();

        if ("Microsoft Internet Explorer" == navigator.appName && navigator.appVersion.match(/MSIE ([\d.]+)/)[1] >= 10 || "Opera" == navigator.appName) {

            var g = c.getRangeAt(0),

            h = document.createElement("span");

            h.appendChild(g.cloneContents()),

            g.insertNode(h);

            var i = h.innerHTML.replace(/(?:\n|\r\n|\r)/gi, "").replace(/<\s*script[^>]*>[\s\S]*?<\/script>/gim, "").replace(/<\s*style[^>]*>[\s\S]*?<\/style>/gim, "").replace(/<!--.*?-->/gim, "").replace(/<!DOCTYPE.*?>/gi, "");

            try {

                document.getElementsByTagName("body")[0].removeChild(h)

            } catch(f) {

                h.style.display = "none",

                h.innerHTML = ""

            }

        } else var d = "" + c;

        var e = document.getElementsByTagName("body")[0],

        f = document.createElement("div");

        f.style.position = "absolute",

        f.style.left = "-99999px",

        e.appendChild(f),

        f.innerHTML = d.replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, "$1<br />$2") + "<br />" + Original,

        c.selectAllChildren(f),

        setTimeout(function() {

            e.removeChild(f)

        },

        0)

    } else if ("object" == typeof document.selection.createRange) {

        event.returnValue = !1;

        var c = document.selection.createRange().text;

        window.clipboardData.setData("Text", c + "\n" + Original)

    }

};

document.body.oncopy = addCopyright;