<div>
<p>邀请码</p>
//<p class="inviteCode" id = "inviteCode"> {{invite_code}}</p>
<input class="inviteCode" id = "inviteCode" v-model="invite_code"/>
<p class="copy" @click="copy">复制</p>
</div>

copy() {
var Url2 = this.invite_code;
//var oInput = document.createElement("input");
var oInput = document.getElementById("inviteCode");
//oInput.value = Url2;
// document.body.appendChild(oInput);
oInput.select(); // 选择对象
//document.execCommand("Cut","false",null); // 执行浏览器剪切命令
document.execCommand("Copy"); // 执行浏览器复制命令
//oInput.className = "oInput";
//oInput.style.display = "none";
<span><span>alert</span></span>("复制成功");
//console.log(document.execCommand("Copy"))
},