文件—>首选项—>用户代码片段
然后再弹出的输入框中输入vue,然后回车(Enter),效果如下:

在vue.json中写上代码片段,代码如下:
{"vue-template":{"prefix":"vue","body":["<template>"," <div>"," </div>","</template>","","<script>","export default {"," name: '',"," data () {"," return {"," }"," },"," methods: {}","}","</script>","","<style scoped lang=scss>","","</style>"],"description":"my vue template"}}

书写完之后,保存文件即可
效果如图:

出现提示后,按下回车(Enter),然后就会出现想要的结果了。如下图:
