WordPress內容被復制後自動添加文章鏈接

WordPress站點內容被別人復制是常有的事，你可以給你的WordPress站點添加一個功能：內容被復制後，粘貼的時候自動在後面添加文章鏈接。

將下面的代碼添加到主題的 functions.php 文件中：

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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 /> 閱讀更多: <?php the_title(); ?> <a href='<?php echo get_permalink(get_the_ID()); ?>'><?php echo get_permalink(get_the_ID()); ?></a>"; //根據你的需要修改這行代碼
    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 /> 閱讀更多: <?php the_title(); ?> <a href='<?php echo get_permalink(get_the_ID()); ?>’><?php echo get_permalink(get_the_ID()); ?></a>"; //根據你的需要修改這行代碼
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’);

好瞭，就真麼簡單，不過是防防君子罷瞭。

參考資料：http://www.wpbeginner.com/wp-tutorials/how-to-add-a-read-more-link-to-copied-text-in-wordpress/