useQuasar composable是为了获得对[$q对象]（/options/the-q-object）的访问。

语法

import { useQuasar } from 'quasar' setup () { const $q = useQuasar() } 

例子

<template> <div> <div v-if="$q.platform.is.ios"> Gets rendered only on iOS platform. </div> </div> </template> <script> import { useQuasar } from 'quasar' export default { setup () { const $q = useQuasar() console.log($q.platform.is.ios) // showing an example on a method, but // can be any part of Vue script function show () { // prints out Quasar version console.log($q.version) } return { show } } } </script>