console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>target-input</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js"></script>
</head>
<body>
<div class="content">
<p>内容A：<code id="info-a">aaaaaaaaaaaaaaaaa</code></p>
<p>内容B：<code id="info-b">bbbbbbbbbbbbbbb</code></p>
<p>内容C：<code id="info-c">ccccccccccccccccc</code></p>
<p>内容D：<code id="info-d">ddddddddddddddddd</code></p>
</div>
<button class="btn" >复制</button>
<script>
var clipboard = new ClipboardJS('.btn', {
text: function(trigger) {
var a = document.querySelector('#info-a').innerText;
var b = document.querySelector('#info-b').innerText;
var c = document.querySelector('#info-c').innerText;
var d = document.querySelector('#info-d').innerText;
return a + b+ c+ d;
}
});
</script>
</body>
</html>