vue2.0 自定义组件的方法（vue组件的封装）

<template>
 <section class="f-mainPage">
 <!--selectFunc 选择完成的回调 searchList 下拉列表的数据-->
 <search @selectFunc="selectFunc" :searchList="searchList" :selectValue="selectValue"></search>
 </section>
</template>

<script type="text/ecmascript-6">
 import Search from '../vuePlugin/search'
 export default {
 data() {
 return {
 searchList: ['草船借箭', '大富翁', '测试数据'],
 // 直接通过props传递对象 修改，挺便捷的,不规范
 selectValue: {
  data: '1'
 },
 // 通过emit修改，规范写法
 selectValue2: ''
 }
 },
 mounted() {},
 methods: {
 pageGo(path) {
 this.$router.push('/' + path)
 },
 selectFunc(value) {
 this.selectValue2 = value
 console.log(this.selectValue)
 console.log(this.selectValue2)
 }
 },
 ponents: {
 Search
 }
 }
</script>

<style lang="scss" scoped>
.f-mainPage{
 width: 100%;
 .g-banner{
 width: 100%;
 background-image: url(../../../static/main_bg.png);
 background-repeat: no-repeat;
 background-size: 100% 100%;
 position: relative;
 overflow: hidden;
 color: white;
 text-align: center;
 p:nth-child(1) {
 margin: 10px auto 0px auto;
 font-size: 1.3rem;
 }
 .f-banscri {
 margin: 15px auto 8px auto;
 font-size: 0.95rem;
 }
 .f-moneyMax{
 margin: 5px auto 0px auto;
 font-size: 2.4rem;
 }
 .f-returnCash{
 width: 120px;
 height: 35px;
 text-align: center;
 line-height: 35px;
 background-color: white;
 color: #169BD5;
 display: inline-block;
 border-radius: 5px;
 font-size: 1rem;
 margin-: 35px;
 position: relative;
 .f-mmmbd{
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: transparent;
  : 0;
  left: 0;
 }
 }
 }
 .g-cashInfor{
 width: 100%;
 text-align: center;
 display: flex;
 justify-content: space-between;
 div{
 width: 50%;
 height: 60px;
 line-height: 60px;
 box-sizing: border-box;
 }
 div:nth-child(1){
 border-bottom: 1px solid #878787;
 border-right: 1px solid #878787;
 }
 div:nth-child(2){
 border-bottom: 1px solid #878787;
 }
}
 .g-operate{
 width: 100%;
 height: auto;
 overflow: hidden;
 ul{
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 1.05rem;
  li{
  height: 60px;
  line-height: 60px;
  padding-left: 25px;
  position: relative;
  span{
   width: 20px;
   height: 20px;
   position: absolute;
   : 20px;
   right: 20px; 
   background-image: url(../../../static/go.png);
   background-repeat: no-repeat;
   background-size: 100% 100%;
  }
  }
 }
 .f-goodNews{
  width: 340px;
  height: 144.5px;
  margin: 20px auto 30px auto;
  text-align: center;
  background-image: url(../../../static/banner.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
 }
 }
}
</style>

<template>
 <div class="searchZJ">
 <div class="f-search">
  <div class="f-searchIn" v-bind:class="{searchInFous: this.fousFlag}">{{this.searchValue}}<span v-bind:class="{searchActive: this.searchFlag}" v-on:click="searchDown"></span></div>
  <div class="f-searchXl" v-if="this.dataHas" v-bind:style="{height:this.searchFous, border:this.searchBorder}">
  <div v-for="item in searchList" v-on:click="choseValue(item)">{{item}}</div>
  </div>
  <div class="f-searchXl" v-else >
  <div>暂无数据</div>
  </div>
 </div>
 </div>
</template>
<script type="text/ecmascript-6">
 export default {
 data() {
 return {
 data: [],
 dataHas: true,
 searchFlag: false,
 searchFous: '0',
 fousFlag: false,
 searchValue: '',
 searchBorder: 'none'
 }
 },
 props: {
 searchList: Array,
 selectValue: Object
 },
 mounted() {
 this.data = this.searchList
 },
 methods: {
 searchDown() {
 this.searchFlag === false ? this.searchFlag = true : this.searchFlag = false
 this.searchFous === '0' ? this.searchFous = 'auto' : this.searchFous = '0'
 this.searchBorder === 'none' ? this.searchBorder = '1px solid #D9D9D9' : this.searchBorder = 'none'
 this.fousFlag === false ? this.fousFlag = true : this.fousFlag = false
 },
 choseValue(value) {
 this.searchValue = value
 this.searchDown()
 this.selectValue.data = '我被修改了'
 this.$emit('selectFunc', value)
 }
 }
 }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
 .f-search{
 width: 250px;
 height: auto;
 position: relative;
 margin-left: 20px;
 box-sizing: border-box;
 }
 .f-searchIn{
 width: 250px;
 height: 35px;
 line-height: 35px;
 font-size: 0.95rem;
 border-radius: 5px;
 overflow: hidden;
 position: relative;
 background-color: white;
 box-shadow: none;
 box-sizing: border-box;
 color: #000000;
 padding-left: 10px;
 border: 1px solid #A3A3A3;
 }
 .searchInFous{
 border: 1px solid #57C4F6;
 box-shadow: 0px 0px 5px #57C4F6;
 }
 .f-searchIn > span{
 display: block;
 width: 28px;
 height: 28px;
 background-image: url(../../../static/upDown.png);
 background-size: 100% 100%;
 background-repeat: no-repeat;
 background-position: 0px -13px;
 position: absolute;
 : 10px;
 right: 5px;
 }
 .f-searchIn .searchActive{
 background-position: 0px 12px;
 : -2px;
 }
 .f-search .f-searchXl{
 position: absolute;
 width: 100%;
 height: auto;
 max-height: 220px;
 : 41px;
 left: -1px;
 border-radius: 5px;
 /border: 1px solid #D9D9D9;/
 background-color: white;
 overflow-x: hidden;
 overflow-y: scroll;
 }
 .f-search .f-searchXl > div{
 height: 35px;
 line-height: 38px;
 color: #000000;
 padding-left: 25px;
 font-size: 0.92rem;
 }
 .f-search .f-searchXl > div:hover{
 background-color: #D5F1FD;
 }
</style>

<search @selectFunc="selectFunc" :searchList="searchList" :selectValue="selectValue"></search>

props: {
 searchList: Array,
 selectValue: Object
 },
mounted() {
 this.data = this.searchList
 },

　　　selectValue: {
  data: '1'
 },
　　　　。。。。。。。。。。。。。。。
 this.selectValue.data = '我被修改了'

// 子组件
this.$emit('selectFunc', value)
// 父组件
<search @selectFunc="selectFunc" :searchList="searchList" :selectValue="selectValue"></search>
selectFunc(value) {
 this.selectValue2 = value
 console.log(this.selectValue)
 console.log(this.selectValue2)
 }