当别人复制你的文章内容时,会在文章末尾自动添加一个版权声明。网络版权意识薄弱,这个是君子做法,如果真要抄你的文章,声明再多都没用,就像很多网站底部声明一样,几乎是一个摆设,大家也看开了。文章保留所有权利,如果你复制我的文章,没有按照我的声明,说不定哪天我心情好,就会找你聊聊天了……
$("body").on('copy', function (e) {
if (typeof window.getSelection == "undefined") return; //IE8 or earlier...
var body_element = document.getElementsByTagName('body')[0];
var selection = window.getSelection();
//if the selection is short let's not annoy our users
if (("" + selection).length < 30) return;
//create a div outside of the visible area
//and fill it with the selected text
var newdiv = document.createElement('div');
newdiv.style.position = 'absolute';
newdiv.style.left = '-99999px';
body_element.appendChild(newdiv);
newdiv.appendChild(selection.getRangeAt(0).cloneContents());
//we need a <pre> tag workaround
//otherwise the text inside "pre" loses all the line breaks!
if (selection.getRangeAt(0).commonAncestorContainer.nodeName == "PRE") {
newdiv.innerHTML = "<pre>" + newdiv.innerHTML + "</pre>";
}
newdiv.innerHTML += "<br /><br />原文: <a href='"
+ document.location.href + "'>"
+ document.location.href + "</a> © szhulian.com";
selection.selectAllChildren(newdiv);
window.setTimeout(function () { body_element.removeChild(newdiv); }, 200);
});
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