<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<input type="button" id="btn1" value="复制到粘贴板" />
<input type="text" id="txt1" /> <input type="button" id="btn2" value="读取粘贴板内容到文本框中" />
<script type="text/javascript">
document.getElementById("btn1").onclick = function(){
window.clipboardData.setData("text","我是新的内容");
};
document.getElementById('btn2').onclick = function(){
document.getElementById('txt1').setAttribute('value',window.clipboardData.getData('text'));
}; </script>
</body>
</html>
效果如下：
