document.getElementById(this.FullScreenId).scrollTop = document.getElementById(this.FullScreenId).scrollHeight

/* 页面满屏 */
.pageFullScreen {
 height: 100%;
 position: absolute;
 top: 0;
 right: 0;
 bottom: 0;
 left: 0;
 overflow: auto;
}

<style>
</style>
<template>
 <div id="testFullScreenId" class="pageFullScreen">
  <div style="height: 500px; background-color: #eee;overflow-y: scroll;-webkit-overflow-scrolling: touch;"></div>
   <inputList type="test" @inputListClick="inputListClick" FullScreenId="testFullScreenId" v-model="inputVal" @inputListFocus="focus" @inputListBlur="blur"></inputList>
   <br />
   <button @click="sub">获取input值</button>
   <br />
   <inputList type="test" @inputListClick="inputListClick" FullScreenId="testFullScreenId" v-model="inputVal" @inputListFocus="focus" @inputListBlur="blur"></inputList>
 </div>
</template>
<script>
 import inputList from '../../components/input' // input
 export default {
  components: {
   inputList
  },
  data() {
   return {
    imagesUrl: { // 排版图片使用懒加载
    },
    inputVal: ''
   }
  },
  created() {
  },
  mounted() {
  },
  methods: {
   focus(e) {
    console.log(e)
   },
   blur(e) {
    console.log(e)
   },
   inputListClick(e) {
    console.log(e)
   },
   sub() {
    alert(this.inputVal)
    console.log(this.inputVal)
   }
  }
 }
</script>

<style>
.inputList {}
</style>
<template>
 <!-- 父组件使用v-model发送input事件就可以接收到了 -->
 <div class="inputList">
  <input :type="type" @click="inputListClick($event)" @input="inputListInput($event)" @focus="inputListFocus($event)" @blur="inputListBlur($event)">
 </div>
</template>
<script>
 export default {
  name: 'inputList',
  props: {
   type: { // 文本框类型
    type: String,
    default: 'text'
   },
   FullScreenId: { // 文本框被键盘遮住
    type: String,
    default: ''
   }
  },
  data() {
   return {
    imagesUrl: { // 排版图片使用懒加载
    },
    pageHeightOne: '', // 页面高度
    pageHeightTow: ''
   }
  },
  created() {
  },
  mounted() {
   // window.onresize监听页面高度的变化
   window.onresize = () => {
    return (() => {
     // window.scroll(0, 0) // 滚到顶部
     document.getElementById(this.FullScreenId).scrollTop = document.getElementById(this.FullScreenId).scrollHeight
    })()
   }
  },
  methods: {
   // 键盘输入
   inputListInput(e) {
    if (typeof e.target.value === 'string') {
     if (/[\u4e00-\u9fa5]/.test(e.target.value)) {
      e.target.value = ''
     } else {
      // console.log('合格')
     }
    } else {
     console.log('数据类型不正确')
    }
    this.$emit('input', e.target.value)
   },
   // 获取焦点
   inputListFocus(e) {
    // console.log(e)
    this.$emit('inputListFocus', 'focus')
   },
   // 失去焦点
   inputListBlur(e) {
    // console.log(e)
    this.$emit('inputListBlur', 'blur')
   },
   // 点击
   inputListClick(e) {
    this.$emit('inputListClick', 'click')
   }
  }
 }
</script>