一、Vue3 的 watch 机制1.1 基本用法import{ ref, watch }from'vue' constcount = ref(0) // 基本监听模式 conststopWatch = watch(count, (newVal, oldVal) => { console.log(`值从${oldVal}变为${newVal}`) }) // 停止监听 // stopWatch //
import{ ref, watch }from'vue'; exportfunctionuseExampleLogic(initialValue: number){ constcount = ref(initialValue); constincrement ==>{ count.value++; }; constdecrement ==>{ count.value--; }; watch(count, (newValue, oldValue) => { console.log(`Count changed from${oldValue}to${newVal...
Importedwatchfrom Vue but usedwatchEffect. Changed the import to match the actual code. I have read theCONTRIBUTING.mdfile. YES What kind of change does this PR introduce? Docs update What is the current behavior? InAvatars.vuethewatchfunction was imported butwatchEffectwas used. What is the n...
'onBeforeMount',// reactivity,节选'computed','ref','watch',// 组件 API,节选'defineComponent','h','inject','nextTick',// Typescript 类型,接续那...['Component','Ref','VNode'].map(name=>({name,type:true}))]exportdefaultdefineUnimportPreset({from:'vue',imports:[...CommonCompositionAPI...
import { defineComponent, ref, unref, watch } from 'vue' import { ElRow, ElCol, ElCard, ElSelect, ElOption, ElDatePicker } from 'element-plus' import { dateType as DateType } from '../data' import OrderAnalysis from './OrderAnalysis.vue' import OrderAnalysisBar from './OrderAnalysis...
Vue组件常用的import如下: import { ref, computed, toRefs, watch, onMounted, h, nextTick, defineAsyncComponent, reactive, shallowRef, getCurrentInstance, inject, } from "vue"; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.
('vue-router')['useRoute'] 65 const useRouter: typeof import('vue-router')['useRouter'] 66 const useSlots: typeof import('vue')['useSlots'] 67 const watch: typeof import('vue')['watch'] 68 const watchEffect: typeof import('vue')['watchEffect'] 69 const watchPostEffect: typeof...
{from: 'vue-router',imports: ['RouteLocationRaw'],type: true}, 我们来看看 Vue 的预设是怎么写的,完整代码在这里,下面是节选的代码: export const CommonCompositionAPI: InlinePreset['imports'] = [// 声明周期,节选'onActivated','onBeforeMount',// reactivity,节选'computed','ref','watch',// 组...
这个我用来引进vue相关的watch ,compute, ref 等是很方便的, 还有elementPlus 等ui组件都用这个插件的, 但用其他自己写的公共组件, 如果规范一下写法, 像elementPlus, 特性字母开头, 其实也OK, 能分得清 2023-12-11· 湖南 回复喜欢 candyTong 作者 有TS 声明,依赖链路还是在的,智能提示也有,lint 也...
这是我的 vuejs 应用程序的 entry.js: /*jshint esversion: 6 */ import Vue from 'vue'; import App from './App.vue'; import VueRouter from 'vue-router'; Vue.use(VueRouter); require('./css/style.scss'); // Export the vue router ...