vue中简单弹框dialog的实现方法

<template>
 <div>
 <div class="dialog-wrap">
 <div class="dialog-cover" v-if="isShow" @click="closeMyself"></div>
 <transition name="drop">
 <div class="dialog-content" v-if="isShow">
 <p class="dialog-close" @click="closeMyself">x</p>
 <slot>empty</slot>
 </div>
 </transition>
 </div>
 </div>
</template>

<script>
 export default {
 props: {
 isShow: {
 type: Boolean,
 default: false
 }
 },
 data () {
 return {
 }
 },
 methods: {
 closeMyself () {
 this.$emit('on-close')
 }
 }
 }
</script>

<style scoped>
 .drop-enter-active {
 transition: all .5s ease;
 }
 .drop-leave-active {
 transition: all .3s ease;
 }
 .drop-enter {
 transform: translateY(-500px);
 }
 .drop-leave-active {
 transform: translateY(-500px);
 }
 .dialog-wrap {
 position: fixed;
 width: 100%;
 height: 100%;
 }
 .dialog-cover {
 background: #000;
 opacity: .3;
 position: fixed;
 z-index: 5;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 }
 .dialog-content {
 width: 50%;
 position: fixed;
 max-height: 50%;
 overflow: auto;
 background: #fff;
 top: 20%;
 left: 50%;
 margin-left: -25%;
 z-index: 10;
 border: 2px solid #464068;
 padding: 2%;
 line-height: 1.6;
 }
 .dialog-close {
 position: absolute;
 right: 5px;
 top: 5px;
 width: 20px;
 height: 20px;
 text-align: center;
 cursor: pointer;
 }
 .dialog-close:hover {
 color: #4fc08d;
 }
</style>