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问题描述
<template> <view> <block v-for="(item, index) in arr" v-bind:key="index"> {{item}} </block> </view> </template> <script> export default { data() { return { arr: [1,2,3] } } } </script>
通过 v3 版本编译上述代码的 APP,显示空白
v3
APP
系统信息: