<html>
<head>
<meta charset="UTF-8">
<title>9行代码实现复制内容至剪切板</title>
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
<meta name="renderer" content="webkit">
<style>
body {
padding: 36px;
display: flex;
flex-direction: column;
align-items: center;
}
.ma-btn {
border-radius: 4px;
background: #53a5ec;
color: #fff;
font-size: 14px;
padding: 0.8em 1.6em;
user-select: none;
-webkit-appearance: none;
cursor: pointer;
text-align: center;
}
.ma-btn.extra {
72px;
margin-top: 36px;
}
</style>
</head>
<body>
<div class="copy--text copy_text" id="copy">复制到剪贴板的内容</div>
<div class="ma-btn extra copy_btn">复制</div>
<script>
var btn = document.querySelectorAll(".copy_btn")[0],
copy_text = document.querySelectorAll(".copy_text")[0];
btn.addEventListener("click",function() {
copy(copy_text);
},false);
function copy(el) {
var range = document.createRange();
var end = el.childNodes.length;
range.setStart(el,0);
range.setEnd(el,end);
var selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
document.execCommand("copy",false,null);
selection.removeRange(range);
}
</script>
</body>
</html>