点击复制

https://blog-static.cnblogs.com/files/php-qiuwei/clipboard.min.js
 1 <!DOCTYPE html>
 2 <html lang="en">
 3     <head>
 4         <meta charset="utf-8">
 5         <script src="//cdn.staticfile.org/jquery/1.12.1/jquery.min.js"></script>
 6         <script src="clipboard.min.js"></script>
 7         <script src="layer/layer.js"></script>
 8     </head>
 9     <body>
10     <button class="course-share-btn" data-clipboard-text="fdhajkfd">复制课程推广链接</button>
11 
12     <script type="text/javascript">
13 
14         $(function(){
15 
16 
17             //分享
18             var event_copy = new Clipboard('.course-share-btn');
19             console.log(event_copy);
20             event_copy.on('success', function(e) {
21                 console.info('Text:', e.text);
22                 layer.msg('已复制分享内容到粘贴板。');
23                 e.clearSelection();
24             });
25 
26             event_copy.on('error', function(e) {
27                 layer.msg('复制失败,或许您的浏览器不支持该操作');
28             });
29         });
30     </script>
31 
32     </body>
33 </html>