子组件
<template>
<div class="top-title">
<h1>你需要支付¥{{money}}</h1>
</div>
</template>
<script>
export default {
name: "payMent",
props: {
money:{
default: 0
}
}
}
</script>
父组件
<template>
<div class="">
<pay-ment money="money"></pay-ment>
<a @click='changCost'>改变支付费用<>
</div>
</template>
<script>
import payMent from '../components/payMent.vue'
export default {
name: "pay",
data: {
money: 33
},
components: {
payMent
},
methods:{
changCost: function(){
this.money = 88; //-这里父组件值改变了,而子组件的没有改变,还是33,没有变成88
}
}
}
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