npm install -g cnpm --registry=https://registry.npm.taobao.org
https://blog.csdn.net/qq_40414159/article/details/83277910
.ui-center-mask {position: fixed;z-index:;top:;left:;width:  100%;height:  100%;overflow: auto;}
.ui-center-mask-bg { display: block; position: fixed; z-index:; top:; left:; right:; bottom:; background: rgba(0,0,0,0.65);}
.ui-center-mask-block{position:relative;z-index:;right:;top:;width: 100%;height: 100%;box-sizing:border-box;overflow: auto;display: table;text-align: center;}
.ui-center-mask-wrap{display:table-cell;vertical-align: middle;}
.ui-center-mask-content{position: relative;display: inline-block;width: 80%;height: auto;background: #fff;border-radius: .7rem;padding: 10px 20px 30px;text-align: left;box-sizing: border-box}
.ui-center-mask-close {position: absolute;z-index:;top: 12px;right: 12px;width: 21px;height: 21px;}
.ui-center-mask-close i {display: block;width: 100%;height: 100%;background-image: url('../assets/img/icon-close.png');background-repeat: no-repeat;background-size: contain;}
.ui-center-mask-close.close-f i {background-image: url("../assets/img/icon-close-f.png")}
.ui-center-mask-close.close-circle{width: 32px;height: 32px}
.ui-center-mask-close.close-circle i {background-image: url("../assets/img/icon-close-circle.png")}
    <div id="popup_gomember" class="ui-center-mask member-mask hidden">
<div class="ui-center-mask-bg"></div>
<div class="ui-center-mask-block">
<div class="ui-center-mask-wrap">
<div class="ui-center-mask-content vip-wrap">
<a href="javascript:void(0);" class="ui-center-mask-close close-f close"><i></i></a>
<div>
<div class="main-wrap">
<img src="../assets/img/img-gomember.png" alt="" @click="gotoMember">
</div>
</div>
</div>
</div>
</div>
</div>
  showCenter (obj) {
document.body.style.overflow = 'hidden'
let e = document.getElementById(obj)
e.classList.remove('hidden')
let emclose = e.getElementsByClassName('close')
let _this = this
for (let i = 0; i < emclose.length; i++) {
emclose[i].onclick = function (n) {
_this.hiddenCenter(obj)
}
}
}
05-11 21:58