在html中使用:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>constructor-node</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" />
  </head>
  <body>
    <!-- 1. Define some markup -->
    <div id="btn" data-clipboard-text="1">
      <span>Copy</span>
    </div>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard by passing a HTML element -->
    <script>
      var btn = document.getElementById('btn');
      var clipboard = new ClipboardJS(btn);

      clipboard.on('success', function (e) {
        console.info('Action:', e.action);
        console.info('Text:', e.text);
        console.info('Trigger:', e.trigger);
      });

      clipboard.on('error', function (e) {
        console.info('Action:', e.action);
        console.info('Text:', e.text);
        console.info('Trigger:', e.trigger);
      });
    </script>
  </body>
</html>

在js中使用:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>text-programmatic-copy</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" />
  </head>
  <body>
    <!-- 1. Define some markup -->
    <button id="btn">
      Copy
    </button>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard -->
    <script>
      var btn = document.querySelector('#btn');

      btn.addEventListener('click', () => {
        const textCopied = ClipboardJS.copy('123');
        console.log('copied!', textCopied);
      })
    </script>
  </body>
</html>

项目地址

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