uniapp 中的picker

<template>    <view>        <picker class="select" mode="selector" :range="list" range-key="name" @change="titlePicker">            <view>                <text>{{title}}</text>             </view>        </picker>    </view></template>
<script>    export default {        data() {            return {                title: '点击此处选择',                list:[                    {id:12,name:'测试1'},                    {id:25,name:'测试2'}                ]            }        },        methods:{            titlePicker(e){                this.title = this.title_list[e.target.value].name                console.log(this.title_list[e.target.value].id) //获取id        },    }    }</script>