子組件：this.$emit("methdosName",data1,data2,data3)

父組件: <child @methodsName="xxx(arguments)"></child>

例子:

子組件：

<template>
<div>
    <button @click="trans()">點擊傳值</button>
</div>
</template>
<script>
export default {
  name: "Chile",
  data () {
    
 
return {
        data:"123",
        data2:[1,2,3],
        data3:{
            test:"123"
        }
    };
  },
  methods:{
      trans(){
          this.$emit("transdata",this.data,this.data2,this.data3);
      }
  }
}
</script>
<style lang="css" scoped>
</style>

父組件：

<template>
<div>
    <child @transdata="getValue(arguments)"></child>
    <span v-for="(item,i) in parentData">{{item}}</span>
</div>
</template>
<script>
import Child from ‘./Child.vue‘
export default {
  name: "Parent",
  components:{
Child
  },
  data () {
    
 
return {
        parentData:"父組件"
    };
  },
  methods:{
      getValue(data){
           this.parentData = data;
      }
  }
}
</script>
<style lang="css" scoped>
</style>

vue子傳父多個值