vue弹窗组件

父页面：

<template>
  <div class="hello">
    <h1>{{ msg }}</h1>
    <h2 @click="openTip">Essential Links</h2>
    <alert-tip v-if="showa" @closeTip="closeTip" :alertText="alertText"></alert-tip>
  </div>
</template>

<script>
import alertTip from '@/components/tip'

export default {
  name: 'hello',
  data () {
    return {
      msg: 'Welcome to Your Vue.js App',
      showa:false,
      alertText:"弹出的内容"
    }
  },
  components: {
    alertTip
  },methods:{
    closeTip(){
        this.showa=false
    },
    openTip(){
        this.showa=true;
        this.alertText="弹出来"
    }
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h1, h2 {
  font-weight: normal;
}

ul {
  list-style-type: none;
  padding: 0;
}

li {
  display: inline-block;
  margin: 0 10px;
}

a {
  color: #42b983;
}
</style>

　子页面：

 <template>
    <div class="alet_container">
      <section class="tip_text_container">
            <div class="tip_icon">
                <span></span>
                <span></span>
            </div>
            <p class="tip_text">{{alertText}}</p>
            <div class="confrim" @click="closeTip">确认</div>
        </section>
    </div>
</template>

<script>
    export default {
      data(){
            return{
                positionY: 0,
                timer: null,
            }
        },
        mounted(){
      
        },
        props: ['alertText'],
        methods: {
            closeTip(){
                this.$emit('closeTip')
            }
        }
    }
</script>

<style scoped>
  @keyframes tipMove{
       0%   { transform: scale(1) }
       35%  { transform: scale(.8) }
       70%  { transform: scale(1.1) }
       100% { transform: scale(1) }
    }
    .alet_container{
      position: fixed;
      top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 200;
    }
    .tip_text_container{
        position: absolute;
        top: 50%;
        left: 50%;
        margin-top: -6rem;
        margin-left: -6rem;
        width: 12rem;
        animation: tipMove .4s ;
        background-color: rgba(255,255,255,1);
        border: 1px;
        padding-top: .6rem;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        border: 1px;
        border-radius: 0.25rem;
        .tip_icon{
            @include wh(3rem, 3rem);
            border: 0.15rem solid #f8cb86;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            span:nth-of-type(1){
                @include wh(.12rem, 1.5rem);
                background-color: #f8cb86;
            }
            span:nth-of-type(2){
                @include wh(.2rem, .2rem);
                border: 1px;
                border-radius: 50%;
                margin-top: .2rem;
                background-color: #f8cb86;
            }
        }
        .tip_text{
            @include sc(.7rem, #333);
            line-height: .9rem;
            text-align: center;
            margin-top: .8rem;
            padding: 0 .4rem;
        }
        .confrim{
            @include sc(.8rem, #fff);
            font-weight: bold;
            margin-top: .8rem;
            background-color: #4cd964;
            width: 100%;
            text-align: center;
            line-height: 1.8rem;
            border: 1px;
            border-bottom-left-radius: 0.25rem;
            border-bottom-right-radius: 0.25rem;
        }
    }
    
</style>