<body>
<div class="wrapper">
<p id="text">复制文本</p>
<textarea id="input" >heishou</textarea>
<button onclick="copyText()">copy</button>
</div>
<script type="text/javascript">
function copyText(){
var text = document.getElementById("text").innerText;
var input = document.getElementById("input");
input.value = text;
input.select();
document.execCommand("copy");
alert("复制成功！");
}
</script>
</body>
