vue技术分享之你可能不知道的7个秘密

created(){
  this.fetchPostList()
},
watch: {
  searchInputValue(){
    this.fetchPostList()
  }
}

watch: {
  searchInputValue:{
    handler: 'fetchPostList',
    immediate: true
  }
}

import BaseButton from './baseButton'
import BaseIcon from './baseIcon'
import BaseInput from './baseInput'

export default {
 components: {
  BaseButton,
  BaseIcon,
  BaseInput
 }
}
<BaseInput v-model="searchText" @keydown.enter="search" />
<BaseButton @click="search"> <BaseIcon name="search"/></BaseButton>

import Vue from 'vue'
import upperFirst from 'lodash/upperFirst'
import camelCase from 'lodash/camelCase'

// Require in a base component context
const requireComponent = require.context(
 ‘./components', false, /base-[\w-]+\.vue$/
)

requireComponent.keys().forEach(fileName => {
 // Get component config
 const componentConfig = requireComponent(fileName)

 // Get PascalCase name of component
 const componentName = upperFirst(
  camelCase(fileName.replace(/^\.\//, '').replace(/\.\w+$/, ''))
 )

 // Register component globally
 Vue.component(componentName, componentConfig.default || componentConfig)
})

<BaseInput
 v-model="searchText"
 @keydown.enter="search"
/>
<BaseButton @click="search">
 <BaseIcon name="search"/>
</BaseButton>

import auth from './modules/auth'
import posts from './modules/posts'
import comments from './modules/comments'
// ...

export default new Vuex.Store({
 modules: {
  auth,
  posts,
  comments,
  // ...
 }
})

import camelCase from 'lodash/camelCase'
const requireModule = require.context('.', false, /\.js$/)
const modules = {}
requireModule.keys().forEach(fileName => {
 // Don't register this file as a Vuex module
 if (fileName === './index.js') return

 const moduleName = camelCase(
  fileName.replace(/(\.\/|\.js)/g, '')
 )
 modules[moduleName] = {
        namespaced: true,
        ...requireModule(fileName),
       }
})
export default modules

import modules from './modules'
export default new Vuex.Store({
 modules
})

{
 path: '/admin',
 name: 'admin-dashboard',
 component:require('@views/admin').default
}

{
 path: '/admin',
 name: 'admin-dashboard',
 component:() => import('@views/admin')
}

data() {
 return {
  loading: false,
  error: null,
  post: null
 }
}, 
watch: {
 '$route': {
  handler: 'resetData',
  immediate: true
 }
},
methods: {
 resetData() {
  this.loading = false
  this.error = null
  this.post = null
  this.getPost(this.$route.params.id)
 },
 getPost(id){

 }
}

data() {
 return {
  loading: false,
  error: null,
  post: null
 }
},
created () {
 this.getPost(this.$route.params.id)
},
methods () {
 getPost(postId) {
  // ...
 }
}

<router-view :key="$route.fullpath"></router-view>

<template>
 <li
  v-for="route in routes"
  :key="route.name"
 >
  <router-link :to="route">
   {{ route.title }}
  </router-link>
 </li>
</template>

functional: true,
render(h, { props }) {
 return props.routes.map(route =>
  <li key={route.name}>
   <router-link to={route}>
    {route.title}
   </router-link>
  </li>
 )
}

//父组件
<BaseInput 
  :value="value"
  label="密码" 
  placeholder="请填写密码"
  @input="handleInput"
  @focus="handleFocus>
</BaseInput>

//子组件
<template>
 <label>
  {{ label }}
  <input
   :value="value"
   :placeholder="placeholder"
   @focus=$emit('focus', $event)"
   @input="$emit('input', $event.target.value)"
  >
 </label>
</template>

<input
  :value="value"
  v-bind="$attrs"
  v-on="listeners"
>

computed: {
 listeners() {
  return {
   ...this.$listeners,
   input: event => 
    this.$emit('input', event.target.value)
  }
 }
}