前言：
你是否还在为vue3项目中每个组件都需要单独引入vue而烦恼着，实际vite有一个插件能很好的解决这个问题，那就是 unplugin-auto-import/vite
使用步骤：
1、安装 npm/cnpm/pnpm/yarn 都可以，装上下面两个插件
unplugin-auto-import/vite2、vite.config.js中配置
import AutoImport from 'unplugin-auto-import/vite';// 自动导入vue中hook reactive ref等
const config = {
plugins: [
AutoImport({
//安装两行后你会发现在组件中不用再导入ref，reactive等
imports: ['vue', 'vue-router','@vueuse/core'],
//存放的位置
dts: 'src/types/auto-import.d.ts',
}),
]
}3、页面上试试，发现是可以的
4、types下的auto-import.d.ts，自动生成
/* eslint-disable */
/* prettier-ignore */
// @ts-nocheck
// noinspection JSUnusedGlobalSymbols
// Generated by unplugin-auto-import
export {}
declare global {
const EffectScope: typeof import('vue')['EffectScope']
const asyncComputed: typeof import('@vueuse/core')['asyncComputed']
const autoResetRef: typeof import('@vueuse/core')['autoResetRef']
const computed: typeof import('vue')['computed']
const computedAsync: typeof import('@vueuse/core')['computedAsync']
const computedEager: typeof import('@vueuse/core')['computedEager']
const computedInject: typeof import('@vueuse/core')['computedInject']
const computedWithControl: typeof import('@vueuse/core')['computedWithControl']
const controlledComputed: typeof import('@vueuse/core')['controlledComputed']
const controlledRef: typeof import('@vueuse/core')['controlledRef']
const createApp: typeof import('vue')['createApp']
const createEventHook: typeof import('@vueuse/core')['createEventHook']
const createGlobalState: typeof import('@vueuse/core')['createGlobalState']
const createInjectionState: typeof import('@vueuse/core')['createInjectionState']
const createReactiveFn: typeof import('@vueuse/core')['createReactiveFn']
const createSharedComposable: typeof import('@vueuse/core')['createSharedComposable']
const createUnrefFn: typeof import('@vueuse/core')['createUnrefFn']
const customRef: typeof import('vue')['customRef']
const debouncedRef: typeof import('@vueuse/core')['debouncedRef']
const debouncedWatch: typeof import('@vueuse/core')['debouncedWatch']
const defineAsyncComponent: typeof import('vue')['defineAsyncComponent']
const defineComponent: typeof import('vue')['defineComponent']
const eagerComputed: typeof import('@vueuse/core')['eagerComputed']
const effectScope: typeof import('vue')['effectScope']
const extendRef: typeof import('@vueuse/core')['extendRef']
const getCurrentInstance: typeof import('vue')['getCurrentInstance']
const getCurrentScope: typeof import('vue')['getCurrentScope']
const h: typeof import('vue')['h']
const ignorableWatch: typeof import('@vueuse/core')['ignorableWatch']
const inject: typeof import('vue')['inject']
const isDefined: typeof import('@vueuse/core')['isDefined']
const isProxy: typeof import('vue')['isProxy']
const isReactive: typeof import('vue')['isReactive']
const isReadonly: typeof import('vue')['isReadonly']
const isRef: typeof import('vue')['isRef']
const makeDestructurable: typeof import('@vueuse/core')['makeDestructurable']
const markRaw: typeof import('vue')['markRaw']
const nextTick: typeof import('vue')['nextTick']
const onActivated: typeof import('vue')['onActivated']
const onBeforeMount: typeof import('vue')['onBeforeMount']
const onBeforeRouteLeave: typeof import('vue-router')['onBeforeRouteLeave']
const onBeforeRouteUpdate: typeof import('vue-router')['onBeforeRouteUpdate']
const onBeforeUnmount: typeof import('vue')['onBeforeUnmount']
const onBeforeUpdate: typeof import('vue')['onBeforeUpdate']
const onClickOutside: typeof import('@vueuse/core')['onClickOutside']
const onDeactivated: typeof import('vue')['onDeactivated']
const onErrorCaptured: typeof import('vue')['onErrorCaptured']
const onKeyStroke: typeof import('@vueuse/core')['onKeyStroke']
const onLongPress: typeof import('@vueuse/core')['onLongPress']
const onMounted: typeof import('vue')['onMounted']
const onRenderTracked: typeof import('vue')['onRenderTracked']
const onRenderTriggered: typeof import('vue')['onRenderTriggered']
const onScopeDispose: typeof import('vue')['onScopeDispose']
const onServerPrefetch: typeof import('vue')['onServerPrefetch']
const onStartTyping: typeof import('@vueuse/core')['onStartTyping']
const onUnmounted: typeof import('vue')['onUnmounted']
const onUpdated: typeof import('vue')['onUpdated']
const pausableWatch: typeof import('@vueuse/core')['pausableWatch']
const provide: typeof import('vue')['provide']
const reactify: typeof import('@vueuse/core')['reactify']
const reactifyObject: typeof import('@vueuse/core')['reactifyObject']
const reactive: typeof import('vue')['reactive']
const reactiveComputed: typeof import('@vueuse/core')['reactiveComputed']
const reactiveOmit: typeof import('@vueuse/core')['reactiveOmit']
const reactivePick: typeof import('@vueuse/core')['reactivePick']
const readonly: typeof import('vue')['readonly']
const ref: typeof import('vue')['ref']
const refAutoReset: typeof import('@vueuse/core')['refAutoReset']
const refDebounced: typeof import('@vueuse/core')['refDebounced']
const refDefault: typeof import('@vueuse/core')['refDefault']
const refThrottled: typeof import('@vueuse/core')['refThrottled']
const refWithControl: typeof import('@vueuse/core')['refWithControl']
const resolveComponent: typeof import('vue')['resolveComponent']
const resolveRef: typeof import('@vueuse/core')['resolveRef']
const resolveUnref: typeof import('@vueuse/core')['resolveUnref']
const shallowReactive: typeof import('vue')['shallowReactive']
const shallowReadonly: typeof import('vue')['shallowReadonly']
const shallowRef: typeof import('vue')['shallowRef']
const syncRef: typeof import('@vueuse/core')['syncRef']
const syncRefs: typeof import('@vueuse/core')['syncRefs']
const templateRef: typeof import('@vueuse/core')['templateRef']
const throttledRef: typeof import('@vueuse/core')['throttledRef']
const throttledWatch: typeof import('@vueuse/core')['throttledWatch']
const toRaw: typeof import('vue')['toRaw']
const toReactive: typeof import('@vueuse/core')['toReactive']
const toRef: typeof import('vue')['toRef']
const toRefs: typeof import('vue')['toRefs']
const toValue: typeof import('vue')['toValue']
const triggerRef: typeof import('vue')['triggerRef']
const tryOnBeforeMount: typeof import('@vueuse/core')['tryOnBeforeMount']
const tryOnBeforeUnmount: typeof import('@vueuse/core')['tryOnBeforeUnmount']
const tryOnMounted: typeof import('@vueuse/core')['tryOnMounted']
const tryOnScopeDispose: typeof import('@vueuse/core')['tryOnScopeDispose']
const tryOnUnmounted: typeof import('@vueuse/core')['tryOnUnmounted']
const unref: typeof import('vue')['unref']
const unrefElement: typeof import('@vueuse/core')['unrefElement']
const until: typeof import('@vueuse/core')['until']
const useActiveElement: typeof import('@vueuse/core')['useActiveElement']
const useArrayEvery: typeof import('@vueuse/core')['useArrayEvery']
const useArrayFilter: typeof import('@vueuse/core')['useArrayFilter']
const useArrayFind: typeof import('@vueuse/core')['useArrayFind']
const useArrayFindIndex: typeof import('@vueuse/core')['useArrayFindIndex']
const useArrayFindLast: typeof import('@vueuse/core')['useArrayFindLast']
const useArrayJoin: typeof import('@vueuse/core')['useArrayJoin']
const useArrayMap: typeof import('@vueuse/core')['useArrayMap']
const useArrayReduce: typeof import('@vueuse/core')['useArrayReduce']
const useArraySome: typeof import('@vueuse/core')['useArraySome']
const useArrayUnique: typeof import('@vueuse/core')['useArrayUnique']
const useAsyncQueue: typeof import('@vueuse/core')['useAsyncQueue']
const useAsyncState: typeof import('@vueuse/core')['useAsyncState']
const useAttrs: typeof import('vue')['useAttrs']
const useBase64: typeof import('@vueuse/core')['useBase64']
const useBattery: typeof import('@vueuse/core')['useBattery']
const useBluetooth: typeof import('@vueuse/core')['useBluetooth']
const useBreakpoints: typeof import('@vueuse/core')['useBreakpoints']
const useBroadcastChannel: typeof import('@vueuse/core')['useBroadcastChannel']
const useBrowserLocation: typeof import('@vueuse/core')['useBrowserLocation']
const useCached: typeof import('@vueuse/core')['useCached']
const useClipboard: typeof import('@vueuse/core')['useClipboard']
const useCloned: typeof import('@vueuse/core')['useCloned']
const useColorMode: typeof import('@vueuse/core')['useColorMode']
const useConfirmDialog: typeof import('@vueuse/core')['useConfirmDialog']
const useCounter: typeof import('@vueuse/core')['useCounter']
const useCssModule: typeof import('vue')['useCssModule']
const useCssVar: typeof import('@vueuse/core')['useCssVar']
const useCssVars: typeof import('vue')['useCssVars']
const useCurrentElement: typeof import('@vueuse/core')['useCurrentElement']
const useCycleList: typeof import('@vueuse/core')['useCycleList']
const useDark: typeof import('@vueuse/core')['useDark']
const useDateFormat: typeof import('@vueuse/core')['useDateFormat']
const useDebounce: typeof import('@vueuse/core')['useDebounce']
const useDebounceFn: typeof import('@vueuse/core')['useDebounceFn']
const useDebouncedRefHistory: typeof import('@vueuse/core')['useDebouncedRefHistory']
const useDeviceMotion: typeof import('@vueuse/core')['useDeviceMotion']
const useDeviceOrientation: typeof import('@vueuse/core')['useDeviceOrientation']
const useDevicePixelRatio: typeof import('@vueuse/core')['useDevicePixelRatio']
const useDevicesList: typeof import('@vueuse/core')['useDevicesList']
const useDisplayMedia: typeof import('@vueuse/core')['useDisplayMedia']
const useDocumentVisibility: typeof import('@vueuse/core')['useDocumentVisibility']
const useDraggable: typeof import('@vueuse/core')['useDraggable']
const useDropZone: typeof import('@vueuse/core')['useDropZone']
const useElementBounding: typeof import('@vueuse/core')['useElementBounding']
const useElementByPoint: typeof import('@vueuse/core')['useElementByPoint']
const useElementHover: typeof import('@vueuse/core')['useElementHover']
const useElementSize: typeof import('@vueuse/core')['useElementSize']
const useElementVisibility: typeof import('@vueuse/core')['useElementVisibility']
const useEventBus: typeof import('@vueuse/core')['useEventBus']
const useEventListener: typeof import('@vueuse/core')['useEventListener']
const useEventSource: typeof import('@vueuse/core')['useEventSource']
const useEyeDropper: typeof import('@vueuse/core')['useEyeDropper']
const useFavicon: typeof import('@vueuse/core')['useFavicon']
const useFetch: typeof import('@vueuse/core')['useFetch']
const useFileDialog: typeof import('@vueuse/core')['useFileDialog']
const useFileSystemAccess: typeof import('@vueuse/core')['useFileSystemAccess']
const useFocus: typeof import('@vueuse/core')['useFocus']
const useFocusWithin: typeof import('@vueuse/core')['useFocusWithin']
const useFps: typeof import('@vueuse/core')['useFps']
const useFullscreen: typeof import('@vueuse/core')['useFullscreen']
const useGamepad: typeof import('@vueuse/core')['useGamepad']
const useGeolocation: typeof import('@vueuse/core')['useGeolocation']
const useIdle: typeof import('@vueuse/core')['useIdle']
const useImage: typeof import('@vueuse/core')['useImage']
const useInfiniteScroll: typeof import('@vueuse/core')['useInfiniteScroll']
const useIntersectionObserver: typeof import('@vueuse/core')['useIntersectionObserver']
const useInterval: typeof import('@vueuse/core')['useInterval']
const useIntervalFn: typeof import('@vueuse/core')['useIntervalFn']
const useKeyModifier: typeof import('@vueuse/core')['useKeyModifier']
const useLastChanged: typeof import('@vueuse/core')['useLastChanged']
const useLink: typeof import('vue-router')['useLink']
const useLocalStorage: typeof import('@vueuse/core')['useLocalStorage']
const useMagicKeys: typeof import('@vueuse/core')['useMagicKeys']
const useManualRefHistory: typeof import('@vueuse/core')['useManualRefHistory']
const useMediaControls: typeof import('@vueuse/core')['useMediaControls']
const useMediaQuery: typeof import('@vueuse/core')['useMediaQuery']
const useMemoize: typeof import('@vueuse/core')['useMemoize']
const useMemory: typeof import('@vueuse/core')['useMemory']
const useMounted: typeof import('@vueuse/core')['useMounted']
const useMouse: typeof import('@vueuse/core')['useMouse']
const useMouseInElement: typeof import('@vueuse/core')['useMouseInElement']
const useMousePressed: typeof import('@vueuse/core')['useMousePressed']
const useMutationObserver: typeof import('@vueuse/core')['useMutationObserver']
const useNavigatorLanguage: typeof import('@vueuse/core')['useNavigatorLanguage']
const useNetwork: typeof import('@vueuse/core')['useNetwork']
const useNow: typeof import('@vueuse/core')['useNow']
const useObjectUrl: typeof import('@vueuse/core')['useObjectUrl']
const useOffsetPagination: typeof import('@vueuse/core')['useOffsetPagination']
const useOnline: typeof import('@vueuse/core')['useOnline']
const usePageLeave: typeof import('@vueuse/core')['usePageLeave']
const useParallax: typeof import('@vueuse/core')['useParallax']
const usePermission: typeof import('@vueuse/core')['usePermission']
const usePointer: typeof import('@vueuse/core')['usePointer']
const usePointerLock: typeof import('@vueuse/core')['usePointerLock']
const usePointerSwipe: typeof import('@vueuse/core')['usePointerSwipe']
const usePreferredColorScheme: typeof import('@vueuse/core')['usePreferredColorScheme']
const usePreferredContrast: typeof import('@vueuse/core')['usePreferredContrast']
const usePreferredDark: typeof import('@vueuse/core')['usePreferredDark']
const usePreferredLanguages: typeof import('@vueuse/core')['usePreferredLanguages']
const usePreferredReducedMotion: typeof import('@vueuse/core')['usePreferredReducedMotion']
const usePrevious: typeof import('@vueuse/core')['usePrevious']
const useRafFn: typeof import('@vueuse/core')['useRafFn']
const useRefHistory: typeof import('@vueuse/core')['useRefHistory']
const useResizeObserver: typeof import('@vueuse/core')['useResizeObserver']
const useRoute: typeof import('vue-router')['useRoute']
const useRouter: typeof import('vue-router')['useRouter']
const useScreenOrientation: typeof import('@vueuse/core')['useScreenOrientation']
const useScreenSafeArea: typeof import('@vueuse/core')['useScreenSafeArea']
const useScriptTag: typeof import('@vueuse/core')['useScriptTag']
const useScroll: typeof import('@vueuse/core')['useScroll']
const useScrollLock: typeof import('@vueuse/core')['useScrollLock']
const useSessionStorage: typeof import('@vueuse/core')['useSessionStorage']
const useShare: typeof import('@vueuse/core')['useShare']
const useSlots: typeof import('vue')['useSlots']
const useSorted: typeof import('@vueuse/core')['useSorted']
const useSpeechRecognition: typeof import('@vueuse/core')['useSpeechRecognition']
const useSpeechSynthesis: typeof import('@vueuse/core')['useSpeechSynthesis']
const useStepper: typeof import('@vueuse/core')['useStepper']
const useStorage: typeof import('@vueuse/core')['useStorage']
const useStorageAsync: typeof import('@vueuse/core')['useStorageAsync']
const useStyleTag: typeof import('@vueuse/core')['useStyleTag']
const useSupported: typeof import('@vueuse/core')['useSupported']
const useSwipe: typeof import('@vueuse/core')['useSwipe']
const useTemplateRefsList: typeof import('@vueuse/core')['useTemplateRefsList']
const useTextDirection: typeof import('@vueuse/core')['useTextDirection']
const useTextSelection: typeof import('@vueuse/core')['useTextSelection']
const useTextareaAutosize: typeof import('@vueuse/core')['useTextareaAutosize']
const useThrottle: typeof import('@vueuse/core')['useThrottle']
const useThrottleFn: typeof import('@vueuse/core')['useThrottleFn']
const useThrottledRefHistory: typeof import('@vueuse/core')['useThrottledRefHistory']
const useTimeAgo: typeof import('@vueuse/core')['useTimeAgo']
const useTimeout: typeof import('@vueuse/core')['useTimeout']
const useTimeoutFn: typeof import('@vueuse/core')['useTimeoutFn']
const useTimeoutPoll: typeof import('@vueuse/core')['useTimeoutPoll']
const useTimestamp: typeof import('@vueuse/core')['useTimestamp']
const useTitle: typeof import('@vueuse/core')['useTitle']
const useToNumber: typeof import('@vueuse/core')['useToNumber']
const useToString: typeof import('@vueuse/core')['useToString']
const useToggle: typeof import('@vueuse/core')['useToggle']
const useTransition: typeof import('@vueuse/core')['useTransition']
const useUrlSearchParams: typeof import('@vueuse/core')['useUrlSearchParams']
const useUserMedia: typeof import('@vueuse/core')['useUserMedia']
const useVModel: typeof import('@vueuse/core')['useVModel']
const useVModels: typeof import('@vueuse/core')['useVModels']
const useVibrate: typeof import('@vueuse/core')['useVibrate']
const useVirtualList: typeof import('@vueuse/core')['useVirtualList']
const useWakeLock: typeof import('@vueuse/core')['useWakeLock']
const useWebNotification: typeof import('@vueuse/core')['useWebNotification']
const useWebSocket: typeof import('@vueuse/core')['useWebSocket']
const useWebWorker: typeof import('@vueuse/core')['useWebWorker']
const useWebWorkerFn: typeof import('@vueuse/core')['useWebWorkerFn']
const useWindowFocus: typeof import('@vueuse/core')['useWindowFocus']
const useWindowScroll: typeof import('@vueuse/core')['useWindowScroll']
const useWindowSize: typeof import('@vueuse/core')['useWindowSize']
const watch: typeof import('vue')['watch']
const watchArray: typeof import('@vueuse/core')['watchArray']
const watchAtMost: typeof import('@vueuse/core')['watchAtMost']
const watchDebounced: typeof import('@vueuse/core')['watchDebounced']
const watchEffect: typeof import('vue')['watchEffect']
const watchIgnorable: typeof import('@vueuse/core')['watchIgnorable']
const watchOnce: typeof import('@vueuse/core')['watchOnce']
const watchPausable: typeof import('@vueuse/core')['watchPausable']
const watchPostEffect: typeof import('vue')['watchPostEffect']
const watchSyncEffect: typeof import('vue')['watchSyncEffect']
const watchThrottled: typeof import('@vueuse/core')['watchThrottled']
const watchTriggerable: typeof import('@vueuse/core')['watchTriggerable']
const watchWithFilter: typeof import('@vueuse/core')['watchWithFilter']
const whenever: typeof import('@vueuse/core')['whenever']
}
// for type re-export
declare global {
// @ts-ignore
export type { Component, ComponentPublicInstance, ComputedRef, InjectionKey, PropType, Ref, VNode } from 'vue'
}