uniapp 子組件給父組件傳值

子組件:

<view class="" @click="zi">子組件給父傳</view>

methods:{
zi(){
this.$emit('myZi',this.age)
}
}

 

父組件:

<test122 @myZi='getZi'></test122>
<view class="">{{age}}</view>

data() {
return {
num:1,
title:'我是你明哥哥',
catename:['紅豆','花生','小米'],
age:20
}
},
methods: {
getZi(age){
this.age = age
}
},