WordPress内容被复制后自动添加文章链接

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function add_copyright_text() {    if (is_single()) { ?><script type='text/javascript'>function addLink() {    if (window.getSelection().containsNode(document.getElementsByClassName('entry-content')[0], true)) {    var body_element = document.getElementsByTagName('body')[0];    var selection;    selection = window.getSelection();    var oldselection = selection    var pagelink = "<br /><br /> 阅读更多: <?php the_title(); ?> <a href='<?php echo get_permalink(get_the_ID()); ?>'><?php echo get_permalink(get_the_ID()); ?></a>"; //根据你的需要修改这行代码    var copy_text = selection + pagelink;    var new_div = document.createElement('div');    new_div.style.left='-99999px';    new_div.style.position='absolute';    body_element.appendChild(new_div );    new_div.innerHTML = copy_text ;    selection.selectAllChildren(new_div );    window.setTimeout(function() {        body_element.removeChild(new_div );    },0);}}document.oncopy = addLink;</script><?php}}add_action( 'wp_head', 'add_copyright_text');

function add_copyright_text() { if (is_single()) { ?><script type='text/javascript'>function addLink() { if (window.getSelection().containsNode(document.getElementsByClassName('entry-content')[0], true)) { var body_element = document.getElementsByTagName('body')[0]; var selection; selection = window.getSelection(); var oldselection = selection var pagelink = "<br /><br /> 阅读更多: <?php the_title(); ?> <a href='<?php echo get_permalink(get_the_ID()); ?>'><?php echo get_permalink(get_the_ID()); ?></a>"; //根据你的需要修改这行代码 var copy_text = selection + pagelink; var new_div = document.createElement('div'); new_div.style.left='-99999px'; new_div.style.position='absolute'; body_element.appendChild(new_div ); new_div.innerHTML = copy_text ; selection.selectAllChildren(new_div ); window.setTimeout(function() { body_element.removeChild(new_div ); },0);}}document.oncopy = addLink;</script><?php}}add_action( 'wp_head', 'add_copyright_text');