<a id="copy" onClick="copyUrl2()">内容</a>

<script>

function copyUrl2(){

    var Url2=document.getElementById("copy").innerText; var oInput = document.createElement(‘input‘); oInput.value = Url2; document.body.appendChild(oInput); oInput.select(); // 选择对象 document.execCommand("Copy"); // 执行浏览器复制命令 oInput.className = ‘oInput‘; oInput.style.display=‘none‘; alert(‘复制成功‘);     }

</script>